// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Author: [email protected] (Joseph Schorr)
// Based on original Protocol Buffers design by
// Sanjay Ghemawat, Jeff Dean, and others.
//
// TODO(ksroka): Move some of these tests to field_comparator_test.cc.
#include <algorithm>
#include <random>
#include <string>
#include <vector>
#include <google/protobuf/stubs/common.h>
#include <google/protobuf/stubs/strutil.h>
#include <google/protobuf/stubs/logging.h>
#include <google/protobuf/any_test.pb.h>
#include <google/protobuf/map_test_util.h>
#include <google/protobuf/map_unittest.pb.h>
#include <google/protobuf/test_util.h>
#include <google/protobuf/unittest.pb.h>
#include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/io/zero_copy_stream_impl.h>
#include <google/protobuf/text_format.h>
#include <google/protobuf/wire_format.h>
#include <google/protobuf/util/message_differencer_unittest.pb.h>
#include <google/protobuf/util/field_comparator.h>
#include <google/protobuf/util/message_differencer.h>
#include <google/protobuf/testing/googletest.h>
#include <gtest/gtest.h>
namespace google {
namespace protobuf {
namespace {
const FieldDescriptor* GetFieldDescriptor(const Message& message,
const std::string& field_name) {
std::vector<std::string> field_path =
Split(field_name, ".", true);
const Descriptor* descriptor = message.GetDescriptor();
const FieldDescriptor* field = nullptr;
for (int i = 0; i < field_path.size(); i++) {
field = descriptor->FindFieldByName(field_path[i]);
descriptor = field->message_type();
}
return field;
}
void ExpectEqualsWithDifferencer(util::MessageDifferencer* differencer,
const Message& msg1, const Message& msg2) {
differencer->set_scope(util::MessageDifferencer::FULL);
EXPECT_TRUE(differencer->Compare(msg1, msg2));
differencer->set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer->Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicEqualityTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Compare
EXPECT_TRUE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicInequalityTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.set_optional_int32(-1);
// Compare
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldInequalityTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.add_repeated_int32(-1);
// Compare
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldSetOptimizationTest) {
util::MessageDifferencer differencer;
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item1 = msg1.add_item();
protobuf_unittest::TestDiffMessage::Item* item2 = msg2.add_item();
differencer.TreatAsSet(item1->GetDescriptor()->FindFieldByName("ra"));
differencer.TreatAsSet(item2->GetDescriptor()->FindFieldByName("ra"));
for (int i = 0; i < 1000; i++) {
item1->add_ra(i);
item2->add_ra(i);
}
EXPECT_TRUE(differencer.Compare(msg1, msg2));
item2->add_ra(1001);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
item1->add_ra(1001);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
item1->add_ra(1002);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, MapFieldEqualityTest) {
// Create the testing protos
unittest::TestMap msg1;
unittest::TestMap msg2;
MapReflectionTester tester(unittest::TestMap::descriptor());
tester.SetMapFieldsViaReflection(&msg1);
tester.SetMapFieldsViaReflection(&msg2);
tester.SwapMapsViaReflection(&msg1);
// Compare
EXPECT_TRUE(util::MessageDifferencer::Equals(msg1, msg2));
// Get map entries by index will sync map to repeated field
MapTestUtil::GetMapEntries(msg1, 0);
EXPECT_TRUE(util::MessageDifferencer::Equals(msg1, msg2));
// Compare values not match
(*msg1.mutable_map_int32_int32())[1] = 2;
(*msg2.mutable_map_int32_int32())[1] = 3;
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
// Compare keys not match
msg1.Clear();
msg2.Clear();
(*msg1.mutable_map_string_string())["1"] = "";
(*msg2.mutable_map_string_string())["2"] = "";
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
// Compare message values not match
msg1.Clear();
msg2.Clear();
(*msg1.mutable_map_int32_foreign_message())[1].set_c(1);
(*msg2.mutable_map_int32_foreign_message())[1].set_c(2);
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicPartialEqualityTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Compare
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, PartialEqualityTestExtraField) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.clear_optional_int32();
// Compare
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, PartialEqualityTestSkipRequiredField) {
// Create the testing protos
unittest::TestRequired msg1;
unittest::TestRequired msg2;
msg1.set_a(401);
msg2.set_a(401);
msg2.set_b(402);
// Compare
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicPartialInequalityTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.set_optional_int32(-1);
// Compare
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, PartialInequalityMissingFieldTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg2.clear_optional_int32();
// Compare
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldPartialInequalityTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.add_repeated_int32(-1);
// Compare
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicEquivalencyTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Compare
EXPECT_TRUE(util::MessageDifferencer::Equivalent(msg1, msg2));
}
TEST(MessageDifferencerTest, EquivalencyNotEqualTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.clear_optional_int32();
msg2.set_optional_int32(0);
// Compare
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
EXPECT_TRUE(util::MessageDifferencer::Equivalent(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicInequivalencyTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.set_optional_int32(-1);
// Compare
EXPECT_FALSE(util::MessageDifferencer::Equivalent(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicEquivalencyNonSetTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
// Compare
EXPECT_TRUE(util::MessageDifferencer::Equivalent(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicInequivalencyNonSetTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
msg1.set_optional_int32(-1);
// Compare
EXPECT_FALSE(util::MessageDifferencer::Equivalent(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicPartialEquivalencyTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Compare
util::MessageDifferencer differencer;
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, PartialEquivalencyNotEqualTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.set_optional_int32(0);
msg2.clear_optional_int32();
// Compare
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
util::MessageDifferencer differencer;
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, PartialEquivalencyTestExtraField) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.clear_optional_int32();
// Compare
util::MessageDifferencer differencer;
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, PartialEquivalencyTestSkipRequiredField) {
// Create the testing protos
unittest::TestRequired msg1;
unittest::TestRequired msg2;
msg1.set_a(401);
msg2.set_a(401);
msg2.set_b(402);
// Compare
util::MessageDifferencer differencer;
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicPartialInequivalencyTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
msg1.set_optional_int32(-1);
// Compare
util::MessageDifferencer differencer;
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicPartialEquivalencyNonSetTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
// Compare
util::MessageDifferencer differencer;
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicPartialInequivalencyNonSetTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
msg1.set_optional_int32(-1);
// Compare
util::MessageDifferencer differencer;
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, ApproximateEqualityTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Compare
EXPECT_TRUE(util::MessageDifferencer::ApproximatelyEquals(msg1, msg2));
}
TEST(MessageDifferencerTest, ApproximateModifiedEqualityTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
const float v1 = 2.300005f;
const float v2 = 2.300006f;
msg1.set_optional_float(v1);
msg2.set_optional_float(v2);
// Compare
ASSERT_NE(v1, v2) << "Should not be the same: " << v1 << ", " << v2;
ASSERT_FLOAT_EQ(v1, v2) << "Should be approx. equal: " << v1 << ", " << v2;
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
EXPECT_TRUE(util::MessageDifferencer::ApproximatelyEquals(msg1, msg2));
}
TEST(MessageDifferencerTest, ApproximateEquivalencyTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Compare
EXPECT_TRUE(util::MessageDifferencer::ApproximatelyEquivalent(msg1, msg2));
}
TEST(MessageDifferencerTest, ApproximateModifiedEquivalencyTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Modify the approximateness requirement
const float v1 = 2.300005f;
const float v2 = 2.300006f;
msg1.set_optional_float(v1);
msg2.set_optional_float(v2);
// Compare
ASSERT_NE(v1, v2) << "Should not be the same: " << v1 << ", " << v2;
ASSERT_FLOAT_EQ(v1, v2) << "Should be approx. equal: " << v1 << ", " << v2;
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
EXPECT_TRUE(util::MessageDifferencer::ApproximatelyEquivalent(msg1, msg2));
// Modify the equivalency requirement too
msg1.clear_optional_int32();
msg2.set_optional_int32(0);
// Compare. Now should only pass on ApproximatelyEquivalent
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
EXPECT_FALSE(util::MessageDifferencer::Equivalent(msg1, msg2));
EXPECT_FALSE(util::MessageDifferencer::ApproximatelyEquals(msg1, msg2));
EXPECT_TRUE(util::MessageDifferencer::ApproximatelyEquivalent(msg1, msg2));
}
TEST(MessageDifferencerTest, ApproximateInequivalencyTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Should fail on equivalency
msg1.set_optional_int32(-1);
EXPECT_FALSE(util::MessageDifferencer::ApproximatelyEquivalent(msg1, msg2));
// Make these fields the same again.
msg1.set_optional_int32(0);
msg2.set_optional_int32(0);
EXPECT_TRUE(util::MessageDifferencer::ApproximatelyEquivalent(msg1, msg2));
// Should fail on approximate equality check
const float v1 = 2.3f;
const float v2 = 9.3f;
msg1.set_optional_float(v1);
msg2.set_optional_float(v2);
EXPECT_FALSE(util::MessageDifferencer::ApproximatelyEquivalent(msg1, msg2));
}
TEST(MessageDifferencerTest, WithinFractionOrMarginFloatTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Should fail on approximate equality check
const float v1 = 100.0f;
const float v2 = 109.9f;
msg1.set_optional_float(v1);
msg2.set_optional_float(v2);
// Compare
util::MessageDifferencer differencer;
EXPECT_FALSE(differencer.Compare(msg1, msg2));
const FieldDescriptor* fd =
msg1.GetDescriptor()->FindFieldByName("optional_float");
// Set float comparison to exact, margin and fraction value should not matter.
differencer.set_float_comparison(util::MessageDifferencer::EXACT);
// Set margin for float comparison.
differencer.SetFractionAndMargin(fd, 0.0, 10.0);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Margin and fraction float comparison is activated when float comparison is
// set to approximate.
differencer.set_float_comparison(util::MessageDifferencer::APPROXIMATE);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Test out float comparison with fraction.
differencer.SetFractionAndMargin(fd, 0.2, 0.0);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Should fail since the fraction is smaller than error.
differencer.SetFractionAndMargin(fd, 0.01, 0.0);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Should pass if either fraction or margin are satisfied.
differencer.SetFractionAndMargin(fd, 0.01, 10.0);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Make sure that the margin and fraction only affects the field that it was
// set for.
msg1.set_default_float(v1);
msg2.set_default_float(v2);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
msg1.set_default_float(v1);
msg2.set_default_float(v1);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, WithinFractionOrMarginDoubleTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Should fail on approximate equality check
const double v1 = 100.0;
const double v2 = 109.9;
msg1.set_optional_double(v1);
msg2.set_optional_double(v2);
// Compare
util::MessageDifferencer differencer;
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Set comparison to exact, margin and fraction value should not matter.
differencer.set_float_comparison(util::MessageDifferencer::EXACT);
// Set margin for float comparison.
const FieldDescriptor* fd =
msg1.GetDescriptor()->FindFieldByName("optional_double");
differencer.SetFractionAndMargin(fd, 0.0, 10.0);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Margin and fraction comparison is activated when float comparison is
// set to approximate.
differencer.set_float_comparison(util::MessageDifferencer::APPROXIMATE);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Test out comparison with fraction.
differencer.SetFractionAndMargin(fd, 0.2, 0.0);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Should fail since the fraction is smaller than error.
differencer.SetFractionAndMargin(fd, 0.01, 0.0);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Should pass if either fraction or margin are satisfied.
differencer.SetFractionAndMargin(fd, 0.01, 10.0);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Make sure that the margin and fraction only affects the field that it was
// set for.
msg1.set_default_double(v1);
msg2.set_default_double(v2);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
msg1.set_default_double(v1);
msg2.set_default_double(v1);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, WithinDefaultFractionOrMarginDoubleTest) {
// Create the testing protos
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
// Should fail on approximate equality check
const double v1 = 100.0;
const double v2 = 109.9;
msg1.set_optional_double(v1);
msg2.set_optional_double(v2);
util::MessageDifferencer differencer;
// Compare
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Set up a custom field comparator, with a default fraction and margin for
// float and double comparison.
util::DefaultFieldComparator field_comparator;
field_comparator.SetDefaultFractionAndMargin(0.0, 10.0);
differencer.set_field_comparator(&field_comparator);
// Set comparison to exact, margin and fraction value should not matter.
field_comparator.set_float_comparison(util::DefaultFieldComparator::EXACT);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Margin and fraction comparison is activated when float comparison is
// set to approximate.
field_comparator.set_float_comparison(
util::DefaultFieldComparator::APPROXIMATE);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Test out comparison with fraction.
field_comparator.SetDefaultFractionAndMargin(0.2, 0.0);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Should fail since the fraction is smaller than error.
field_comparator.SetDefaultFractionAndMargin(0.01, 0.0);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Should pass if either fraction or margin are satisfied.
field_comparator.SetDefaultFractionAndMargin(0.01, 10.0);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Make sure that the default margin and fraction affects all fields
msg1.set_default_double(v1);
msg2.set_default_double(v2);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicFieldOrderingsTest) {
// Create the testing protos
unittest::TestFieldOrderings msg1;
unittest::TestFieldOrderings msg2;
TestUtil::SetAllFieldsAndExtensions(&msg1);
TestUtil::SetAllFieldsAndExtensions(&msg2);
// Compare
EXPECT_TRUE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicFieldOrderingInequalityTest) {
// Create the testing protos
unittest::TestFieldOrderings msg1;
unittest::TestFieldOrderings msg2;
TestUtil::SetAllFieldsAndExtensions(&msg1);
TestUtil::SetAllFieldsAndExtensions(&msg2);
msg1.set_my_float(15.00);
msg2.set_my_float(16.00);
// Compare
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicExtensionTest) {
// Create the testing protos
unittest::TestAllExtensions msg1;
unittest::TestAllExtensions msg2;
TestUtil::SetAllExtensions(&msg1);
TestUtil::SetAllExtensions(&msg2);
// Compare
EXPECT_TRUE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, BasicExtensionInequalityTest) {
// Create the testing protos
unittest::TestAllExtensions msg1;
unittest::TestAllExtensions msg2;
TestUtil::SetAllExtensions(&msg1);
TestUtil::SetAllExtensions(&msg2);
msg1.SetExtension(unittest::optional_int32_extension, 101);
msg2.SetExtension(unittest::optional_int32_extension, 102);
// Compare
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, OneofTest) {
// Create the testing protos
unittest::TestOneof2 msg1;
unittest::TestOneof2 msg2;
TestUtil::SetOneof1(&msg1);
TestUtil::SetOneof1(&msg2);
// Compare
EXPECT_TRUE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, OneofInequalityTest) {
// Create the testing protos
unittest::TestOneof2 msg1;
unittest::TestOneof2 msg2;
TestUtil::SetOneof1(&msg1);
TestUtil::SetOneof2(&msg2);
// Compare
EXPECT_FALSE(util::MessageDifferencer::Equals(msg1, msg2));
}
TEST(MessageDifferencerTest, UnknownFieldPartialEqualTest) {
unittest::TestEmptyMessage empty1;
unittest::TestEmptyMessage empty2;
UnknownFieldSet* unknown1 = empty1.mutable_unknown_fields();
UnknownFieldSet* unknown2 = empty2.mutable_unknown_fields();
unknown1->AddVarint(243, 122);
unknown1->AddLengthDelimited(245, "abc");
unknown1->AddGroup(246)->AddFixed32(248, 1);
unknown1->mutable_field(2)->mutable_group()->AddFixed32(248, 2);
unknown2->AddVarint(243, 122);
unknown2->AddLengthDelimited(245, "abc");
unknown2->AddGroup(246)->AddFixed32(248, 1);
unknown2->mutable_field(2)->mutable_group()->AddFixed32(248, 2);
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(empty1, empty2));
}
TEST(MessageDifferencerTest, SpecifiedFieldsEqualityAllTest) {
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
std::vector<const FieldDescriptor*> fields1;
std::vector<const FieldDescriptor*> fields2;
msg1.GetReflection()->ListFields(msg1, &fields1);
msg2.GetReflection()->ListFields(msg2, &fields2);
util::MessageDifferencer differencer;
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg2, fields1, fields2));
}
TEST(MessageDifferencerTest, SpecifiedFieldsInequalityAllTest) {
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
std::vector<const FieldDescriptor*> fields1;
std::vector<const FieldDescriptor*> fields2;
msg1.GetReflection()->ListFields(msg1, &fields1);
msg2.GetReflection()->ListFields(msg2, &fields2);
util::MessageDifferencer differencer;
EXPECT_FALSE(differencer.CompareWithFields(msg1, msg2, fields1, fields2));
}
TEST(MessageDifferencerTest, SpecifiedFieldsEmptyListAlwaysSucceeds) {
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
std::vector<const FieldDescriptor*> empty_fields;
util::MessageDifferencer differencer;
EXPECT_TRUE(
differencer.CompareWithFields(msg1, msg2, empty_fields, empty_fields));
TestUtil::SetAllFields(&msg2);
EXPECT_TRUE(
differencer.CompareWithFields(msg1, msg2, empty_fields, empty_fields));
}
TEST(MessageDifferencerTest, SpecifiedFieldsCompareWithSelf) {
unittest::TestAllTypes msg1;
TestUtil::SetAllFields(&msg1);
std::vector<const FieldDescriptor*> fields;
msg1.GetReflection()->ListFields(msg1, &fields);
util::MessageDifferencer differencer;
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg1, fields, fields));
{
// Compare with a subset of fields.
std::vector<const FieldDescriptor*> compare_fields;
for (int i = 0; i < fields.size(); ++i) {
if (i % 2 == 0) {
compare_fields.push_back(fields[i]);
}
}
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg1, compare_fields,
compare_fields));
}
{
// Specify a different set of fields to compare, even though we're using the
// same message. This should fail, since we are explicitly saying that the
// set of fields are different.
std::vector<const FieldDescriptor*> compare_fields1;
std::vector<const FieldDescriptor*> compare_fields2;
for (int i = 0; i < fields.size(); ++i) {
if (i % 2 == 0) {
compare_fields1.push_back(fields[i]);
} else {
compare_fields2.push_back(fields[i]);
}
}
EXPECT_FALSE(differencer.CompareWithFields(msg1, msg1, compare_fields1,
compare_fields2));
}
}
TEST(MessageDifferencerTest, SpecifiedFieldsEqualityAllShuffledTest) {
// This is a public function, so make sure there are no assumptions about the
// list of fields. Randomly shuffle them to make sure that they are properly
// ordered for comparison.
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
std::vector<const FieldDescriptor*> fields1;
std::vector<const FieldDescriptor*> fields2;
msg1.GetReflection()->ListFields(msg1, &fields1);
msg2.GetReflection()->ListFields(msg2, &fields2);
std::default_random_engine rng;
std::shuffle(fields1.begin(), fields1.end(), rng);
std::shuffle(fields2.begin(), fields2.end(), rng);
util::MessageDifferencer differencer;
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg2, fields1, fields2));
}
TEST(MessageDifferencerTest, SpecifiedFieldsSubsetEqualityTest) {
// Specify a set of fields to compare. All the fields are equal.
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
std::vector<const FieldDescriptor*> fields1;
msg1.GetReflection()->ListFields(msg1, &fields1);
std::vector<const FieldDescriptor*> compare_fields;
// Only compare the field descriptors with even indices.
for (int i = 0; i < fields1.size(); ++i) {
if (i % 2 == 0) {
compare_fields.push_back(fields1[i]);
}
}
util::MessageDifferencer differencer;
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg2, compare_fields,
compare_fields));
}
TEST(MessageDifferencerTest,
SpecifiedFieldsSubsetIgnoresOtherFieldDifferencesTest) {
// Specify a set of fields to compare, but clear all the other fields in one
// of the messages. This should fail a regular compare, but CompareWithFields
// should succeed.
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
std::vector<const FieldDescriptor*> fields1;
const Reflection* reflection = msg1.GetReflection();
reflection->ListFields(msg1, &fields1);
std::vector<const FieldDescriptor*> compare_fields;
// Only compare the field descriptors with even indices.
for (int i = 0; i < fields1.size(); ++i) {
if (i % 2 == 0) {
compare_fields.push_back(fields1[i]);
} else {
reflection->ClearField(&msg2, fields1[i]);
}
}
util::MessageDifferencer differencer;
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg2, compare_fields,
compare_fields));
}
TEST(MessageDifferencerTest, SpecifiedFieldsDetectsDifferencesTest) {
// Change all of the repeated fields in one of the messages, and use only
// those fields for comparison.
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
TestUtil::ModifyRepeatedFields(&msg2);
std::vector<const FieldDescriptor*> fields1;
msg1.GetReflection()->ListFields(msg1, &fields1);
std::vector<const FieldDescriptor*> compare_fields;
// Only compare the repeated field descriptors.
for (int i = 0; i < fields1.size(); ++i) {
if (fields1[i]->is_repeated()) {
compare_fields.push_back(fields1[i]);
}
}
util::MessageDifferencer differencer;
EXPECT_FALSE(differencer.CompareWithFields(msg1, msg2, compare_fields,
compare_fields));
}
TEST(MessageDifferencerTest, SpecifiedFieldsEquivalenceAllTest) {
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
TestUtil::SetAllFields(&msg1);
TestUtil::SetAllFields(&msg2);
std::vector<const FieldDescriptor*> fields1;
std::vector<const FieldDescriptor*> fields2;
msg1.GetReflection()->ListFields(msg1, &fields1);
msg2.GetReflection()->ListFields(msg2, &fields2);
util::MessageDifferencer differencer;
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg2, fields1, fields2));
}
TEST(MessageDifferencerTest,
SpecifiedFieldsEquivalenceIgnoresOtherFieldDifferencesTest) {
unittest::TestAllTypes msg1;
unittest::TestAllTypes msg2;
const Descriptor* desc = msg1.GetDescriptor();
const FieldDescriptor* optional_int32_desc =
desc->FindFieldByName("optional_int32");
const FieldDescriptor* optional_int64_desc =
desc->FindFieldByName("optional_int64");
const FieldDescriptor* default_int64_desc =
desc->FindFieldByName("default_int64");
ASSERT_TRUE(optional_int32_desc != nullptr);
ASSERT_TRUE(optional_int64_desc != nullptr);
ASSERT_TRUE(default_int64_desc != nullptr);
msg1.set_optional_int32(0);
msg2.set_optional_int64(0);
msg1.set_default_int64(default_int64_desc->default_value_int64());
// Set a field to a non-default value so we know that field selection is
// actually doing something.
msg2.set_optional_uint64(23);
std::vector<const FieldDescriptor*> fields1;
std::vector<const FieldDescriptor*> fields2;
fields1.push_back(optional_int32_desc);
fields1.push_back(default_int64_desc);
fields2.push_back(optional_int64_desc);
util::MessageDifferencer differencer;
EXPECT_FALSE(differencer.CompareWithFields(msg1, msg2, fields1, fields2));
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg2, fields1, fields2));
}
TEST(MessageDifferencerTest, RepeatedFieldTreatmentChangeListToSet) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
msg1.add_rv(1);
msg1.add_rv(2);
msg2.add_rv(2);
msg2.add_rv(1);
util::MessageDifferencer differencer;
differencer.TreatAsList(
protobuf_unittest::TestDiffMessage::descriptor()->FindFieldByName("rv"));
differencer.TreatAsSet(
protobuf_unittest::TestDiffMessage::descriptor()->FindFieldByName("rv"));
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldTreatmentChangeSetToList) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
msg1.add_rv(1);
msg1.add_rv(2);
msg2.add_rv(2);
msg2.add_rv(1);
util::MessageDifferencer differencer;
differencer.TreatAsSet(
protobuf_unittest::TestDiffMessage::descriptor()->FindFieldByName("rv"));
differencer.TreatAsList(
protobuf_unittest::TestDiffMessage::descriptor()->FindFieldByName("rv"));
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldSmartListTest) {
// Create the testing protos
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
msg1.add_rv(1);
msg1.add_rv(2);
msg1.add_rv(3);
msg1.add_rv(9);
msg1.add_rv(4);
msg1.add_rv(5);
msg1.add_rv(7);
msg1.add_rv(2);
msg2.add_rv(9);
msg2.add_rv(0);
msg2.add_rv(2);
msg2.add_rv(7);
msg2.add_rv(3);
msg2.add_rv(4);
msg2.add_rv(5);
msg2.add_rv(6);
msg2.add_rv(2);
// Compare
// a: 1, 2, 3, 9, 4, 5, 7, 2
// b: 9, 0, 2, 7, 3, 4, 5, 6, 2
std::string diff_report;
util::MessageDifferencer differencer;
differencer.ReportDifferencesToString(&diff_report);
differencer.set_repeated_field_comparison(
util::MessageDifferencer::AS_SMART_LIST);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"deleted: rv[0]: 1\n"
"added: rv[0]: 9\n"
"added: rv[1]: 0\n"
"moved: rv[1] -> rv[2] : 2\n"
"added: rv[3]: 7\n"
"moved: rv[2] -> rv[4] : 3\n"
"deleted: rv[3]: 9\n"
"moved: rv[4] -> rv[5] : 4\n"
"moved: rv[5] -> rv[6] : 5\n"
"deleted: rv[6]: 7\n"
"added: rv[7]: 6\n"
"moved: rv[7] -> rv[8] : 2\n",
diff_report);
// Compare two sub messages
// a: 1, 2, 3, 4, 5
// b: 2, 6, 4,
msg1.Clear();
msg2.Clear();
msg1.add_rm()->set_a(1);
msg1.add_rm()->set_a(2);
msg1.add_rm()->set_a(3);
msg1.add_rm()->set_a(4);
msg1.add_rm()->set_a(5);
msg2.add_rm()->set_a(2);
msg2.add_rm()->set_a(6);
msg2.add_rm()->set_a(4);
differencer.ReportDifferencesToString(&diff_report);
differencer.set_repeated_field_comparison(
util::MessageDifferencer::AS_SMART_LIST);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"deleted: rm[0]: { a: 1 }\n"
"moved: rm[1] -> rm[0] : { a: 2 }\n"
"deleted: rm[2]: { a: 3 }\n"
"added: rm[1]: { a: 6 }\n"
"moved: rm[3] -> rm[2] : { a: 4 }\n"
"deleted: rm[4]: { a: 5 }\n",
diff_report);
}
TEST(MessageDifferencerTest, RepeatedFieldSmartSetTest) {
// Create the testing protos
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestField elem1_1, elem2_1, elem3_1;
protobuf_unittest::TestField elem1_2, elem2_2, elem3_2;
// Only one field is different for each pair of elememts
elem1_1.set_a(1);
elem1_2.set_a(0);
elem1_1.set_b(1);
elem1_2.set_b(1);
elem1_1.set_c(1);
elem1_2.set_c(1);
elem2_1.set_a(2);
elem2_2.set_a(2);
elem2_1.set_b(2);
elem2_2.set_b(0);
elem2_1.set_c(2);
elem2_2.set_c(2);
elem3_1.set_a(3);
elem3_2.set_a(3);
elem3_1.set_b(3);
elem3_2.set_b(0);
elem3_1.set_c(3);
elem3_2.set_c(3);
*msg1.add_rm() = elem1_1;
*msg1.add_rm() = elem2_1;
*msg1.add_rm() = elem3_1;
// Change the order of those elements for the second message.
*msg2.add_rm() = elem3_2;
*msg2.add_rm() = elem1_2;
*msg2.add_rm() = elem2_2;
std::string diff_report;
util::MessageDifferencer differencer;
differencer.ReportDifferencesToString(&diff_report);
differencer.set_repeated_field_comparison(
util::MessageDifferencer::AS_SMART_SET);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"modified: rm[0].a -> rm[1].a: 1 -> 0\n"
"modified: rm[1].b -> rm[2].b: 2 -> 0\n"
"modified: rm[2].b -> rm[0].b: 3 -> 0\n",
diff_report);
}
TEST(MessageDifferencerTest, RepeatedFieldSmartSetTest_IdenticalElements) {
// Create the testing protos
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestField elem;
elem.set_a(1);
elem.set_b(1);
elem.set_c(1);
*msg1.add_rm() = elem;
*msg1.add_rm() = elem;
*msg2.add_rm() = elem;
*msg2.add_rm() = elem;
util::MessageDifferencer differencer;
differencer.set_repeated_field_comparison(
util::MessageDifferencer::AS_SMART_SET);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldSmartSetTest_PreviouslyMatch) {
// Create the testing protos
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestField elem1_1, elem1_2;
protobuf_unittest::TestField elem2_1, elem2_2;
elem1_1.set_a(1);
elem1_1.set_b(1);
elem1_1.set_c(1);
elem1_2.set_a(1);
elem1_2.set_b(1);
elem1_2.set_c(0);
elem2_1.set_a(1);
elem2_1.set_b(1);
elem2_1.set_c(1);
elem2_2.set_a(1);
elem2_2.set_b(0);
elem2_2.set_c(1);
*msg1.add_rm() = elem1_1;
*msg1.add_rm() = elem2_1;
*msg2.add_rm() = elem1_2;
*msg2.add_rm() = elem2_2;
std::string diff_report;
util::MessageDifferencer differencer;
differencer.ReportDifferencesToString(&diff_report);
differencer.set_repeated_field_comparison(
util::MessageDifferencer::AS_SMART_SET);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"modified: rm[0].c: 1 -> 0\n"
"modified: rm[1].b: 1 -> 0\n",
diff_report);
}
TEST(MessageDifferencerTest, RepeatedFieldSmartSet_MultipleMatches) {
// Create the testing protos
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestField elem1_1, elem2_1, elem3_1;
protobuf_unittest::TestField elem2_2, elem3_2;
// Only one field is different for each pair of elememts
elem1_1.set_a(1);
elem1_1.set_b(1);
elem1_1.set_c(1);
elem2_1.set_a(2);
elem2_2.set_a(2);
elem2_1.set_b(2);
elem2_2.set_b(0);
elem2_1.set_c(2);
elem2_2.set_c(2);
elem3_1.set_a(3);
elem3_2.set_a(3);
elem3_1.set_b(3);
elem3_2.set_b(0);
elem3_1.set_c(3);
elem3_2.set_c(3);
// In this testcase, elem1_1 will match with elem2_2 first and then get
// reverted because elem2_1 matches with elem2_2 later.
*msg1.add_rm() = elem1_1;
*msg1.add_rm() = elem2_1;
*msg1.add_rm() = elem3_1;
*msg2.add_rm() = elem2_2;
*msg2.add_rm() = elem3_2;
std::string diff_report;
util::MessageDifferencer differencer;
differencer.ReportDifferencesToString(&diff_report);
differencer.set_repeated_field_comparison(
util::MessageDifferencer::AS_SMART_SET);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"modified: rm[1].b -> rm[0].b: 2 -> 0\n"
"modified: rm[2].b -> rm[1].b: 3 -> 0\n"
"deleted: rm[0]: { c: 1 a: 1 b: 1 }\n",
diff_report);
}
TEST(MessageDifferencerTest, RepeatedFieldSmartSet_MultipleMatchesNoReporter) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestField elem1, elem2, elem3, elem4;
elem1.set_a(1);
elem2.set_a(2);
elem3.set_a(3);
elem4.set_a(4);
*msg1.add_rm() = elem1;
*msg1.add_rm() = elem2;
*msg1.add_rm() = elem3;
*msg2.add_rm() = elem2;
*msg2.add_rm() = elem3;
*msg2.add_rm() = elem4;
util::MessageDifferencer differencer;
differencer.set_repeated_field_comparison(
util::MessageDifferencer::AS_SMART_SET);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldSmartSet_NonMessageTypeTest) {
// Create the testing protos
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
// Create 3 elements, but in different order.
msg1.add_rw("b");
msg2.add_rw("a");
msg1.add_rw("x");
msg2.add_rw("x");
msg1.add_rw("a");
msg2.add_rw("b");
std::string diff_report;
util::MessageDifferencer differencer;
differencer.ReportDifferencesToString(&diff_report);
differencer.set_repeated_field_comparison(
util::MessageDifferencer::AS_SMART_SET);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"moved: rw[0] -> rw[2] : \"b\"\n"
"moved: rw[2] -> rw[0] : \"a\"\n",
diff_report);
}
TEST(MessageDifferencerTest, RepeatedFieldSetTest_SetOfSet) {
// Create the testing protos
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->add_ra(1);
item->add_ra(2);
item->add_ra(3);
item = msg1.add_item();
item->add_ra(5);
item->add_ra(6);
item = msg1.add_item();
item->add_ra(1);
item->add_ra(3);
item = msg1.add_item();
item->add_ra(6);
item->add_ra(7);
item->add_ra(8);
item = msg2.add_item();
item->add_ra(6);
item->add_ra(5);
item = msg2.add_item();
item->add_ra(6);
item->add_ra(8);
item->add_ra(7);
item = msg2.add_item();
item->add_ra(1);
item->add_ra(3);
item = msg2.add_item();
item->add_ra(3);
item->add_ra(2);
item->add_ra(1);
// Compare
util::MessageDifferencer differencer;
differencer.set_repeated_field_comparison(util::MessageDifferencer::AS_SET);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldSetTest_Combination) {
// Create the testing protos
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
// Treat "item" as Map, with key = "a"
// Treat "item.ra" also as Set
// Treat "rv" as Set
// Treat "rw" as List
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->set_a(3);
item->add_ra(1);
item->add_ra(2);
item->add_ra(3);
item = msg1.add_item();
item->set_a(4);
item->add_ra(5);
item->add_ra(6);
item = msg1.add_item();
item->set_a(1);
item->add_ra(1);
item->add_ra(3);
item = msg1.add_item();
item->set_a(2);
item->add_ra(6);
item->add_ra(7);
item->add_ra(8);
item = msg2.add_item();
item->set_a(4);
item->add_ra(6);
item->add_ra(5);
item = msg2.add_item();
item->set_a(2);
item->add_ra(6);
item->add_ra(8);
item->add_ra(7);
item = msg2.add_item();
item->set_a(1);
item->add_ra(1);
item->add_ra(3);
item = msg2.add_item();
item->set_a(3);
item->add_ra(3);
item->add_ra(2);
item->add_ra(1);
msg1.add_rv(3);
msg1.add_rv(4);
msg1.add_rv(7);
msg1.add_rv(0);
msg2.add_rv(4);
msg2.add_rv(3);
msg2.add_rv(0);
msg2.add_rv(7);
msg1.add_rw("nothing");
msg2.add_rw("nothing");
msg1.add_rw("should");
msg2.add_rw("should");
msg1.add_rw("change");
msg2.add_rw("change");
// Compare
util::MessageDifferencer differencer1;
differencer1.TreatAsMap(msg1.GetDescriptor()->FindFieldByName("item"),
item->GetDescriptor()->FindFieldByName("a"));
differencer1.TreatAsSet(msg1.GetDescriptor()->FindFieldByName("rv"));
differencer1.TreatAsSet(item->GetDescriptor()->FindFieldByName("ra"));
EXPECT_TRUE(differencer1.Compare(msg1, msg2));
util::MessageDifferencer differencer2;
differencer2.TreatAsMap(msg1.GetDescriptor()->FindFieldByName("item"),
item->GetDescriptor()->FindFieldByName("a"));
differencer2.set_repeated_field_comparison(util::MessageDifferencer::AS_SET);
differencer2.TreatAsList(msg1.GetDescriptor()->FindFieldByName("rw"));
EXPECT_TRUE(differencer2.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldMapTest_Partial) {
protobuf_unittest::TestDiffMessage msg1;
// message msg1 {
// item { a: 1; b: "11" }
// }
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->set_a(1);
item->set_b("11");
protobuf_unittest::TestDiffMessage msg2;
// message msg2 {
// item { a: 2; b: "22" }
// item { a: 1; b: "11" }
// }
item = msg2.add_item();
item->set_a(2);
item->set_b("22");
item = msg2.add_item();
item->set_a(1);
item->set_b("11");
// Compare
util::MessageDifferencer differencer;
differencer.TreatAsMap(GetFieldDescriptor(msg1, "item"),
GetFieldDescriptor(msg1, "item.a"));
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldSetTest_Duplicates) {
protobuf_unittest::TestDiffMessage a, b, c;
// message a: {
// rv: 0
// rv: 1
// rv: 0
// }
a.add_rv(0);
a.add_rv(1);
a.add_rv(0);
// message b: {
// rv: 0
// rv: 0
// rv: 1
// }
b.add_rv(0);
b.add_rv(0);
b.add_rv(1);
// message c: {
// rv: 0
// rv: 1
// }
c.add_rv(0);
c.add_rv(1);
util::MessageDifferencer differencer;
differencer.TreatAsSet(GetFieldDescriptor(a, "rv"));
EXPECT_TRUE(differencer.Compare(b, a));
EXPECT_FALSE(differencer.Compare(c, a));
util::MessageDifferencer differencer1;
differencer1.set_repeated_field_comparison(util::MessageDifferencer::AS_SET);
EXPECT_TRUE(differencer1.Compare(b, a));
EXPECT_FALSE(differencer1.Compare(c, a));
}
TEST(MessageDifferencerTest, RepeatedFieldSetTest_PartialSimple) {
protobuf_unittest::TestDiffMessage a, b, c;
// message a: {
// rm { c: 1 }
// rm { c: 0 }
// }
a.add_rm()->set_c(1);
a.add_rm()->set_c(0);
// message b: {
// rm { c: 1 }
// rm {}
// }
b.add_rm()->set_c(1);
b.add_rm();
// message c: {
// rm {}
// rm { c: 1 }
// }
c.add_rm();
c.add_rm()->set_c(1);
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
differencer.TreatAsSet(GetFieldDescriptor(a, "rm"));
EXPECT_TRUE(differencer.Compare(b, a));
EXPECT_TRUE(differencer.Compare(c, a));
}
TEST(MessageDifferencerTest, RepeatedFieldSetTest_Partial) {
protobuf_unittest::TestDiffMessage msg1, msg2;
// message msg1: {
// rm { a: 1 }
// rm { b: 2 }
// rm { c: 3 }
// }
msg1.add_rm()->set_a(1);
msg1.add_rm()->set_b(2);
msg1.add_rm()->set_c(3);
// message msg2: {
// rm { a: 1; c: 3 }
// rm { b: 2; c: 3 }
// rm { b: 2 }
// }
protobuf_unittest::TestField* field = msg2.add_rm();
field->set_a(1);
field->set_c(3);
field = msg2.add_rm();
field->set_b(2);
field->set_c(3);
field = msg2.add_rm();
field->set_b(2);
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
differencer.TreatAsSet(GetFieldDescriptor(msg1, "rm"));
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, RepeatedFieldMapTest_MultipleFieldsAsKey) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
// Treat "item" as Map, with key = ("a", "ra")
// Treat "item.ra" as Set
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
// key => value: (1, {2, 3}) => "a"
item->set_a(1);
item->add_ra(2);
item->add_ra(3);
item->set_b("a");
item = msg1.add_item();
// key => value: (2, {1, 3}) => "b"
item->set_a(2);
item->add_ra(1);
item->add_ra(3);
item->set_b("b");
item = msg1.add_item();
// key => value: (1, {1, 3}) => "c"
item->set_a(1);
item->add_ra(1);
item->add_ra(3);
item->set_b("c");
item = msg2.add_item();
// key => value: (1, {1, 3}) => "c"
item->set_a(1);
item->add_ra(3);
item->add_ra(1);
item->set_b("c");
item = msg2.add_item();
// key => value: (1, {2, 3}) => "a"
item->set_a(1);
item->add_ra(3);
item->add_ra(2);
item->set_b("a");
item = msg2.add_item();
// key => value: (2, {1, 3}) => "b"
item->set_a(2);
item->add_ra(3);
item->add_ra(1);
item->set_b("b");
// Compare
util::MessageDifferencer differencer;
differencer.TreatAsSet(GetFieldDescriptor(msg1, "item.ra"));
EXPECT_FALSE(differencer.Compare(msg1, msg2));
std::vector<const FieldDescriptor*> key_fields;
key_fields.push_back(GetFieldDescriptor(msg1, "item.a"));
key_fields.push_back(GetFieldDescriptor(msg1, "item.ra"));
differencer.TreatAsMapWithMultipleFieldsAsKey(
GetFieldDescriptor(msg1, "item"), key_fields);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Introduce some differences.
msg1.clear_item();
msg2.clear_item();
item = msg1.add_item();
item->set_a(4);
item->add_ra(5);
item->add_ra(6);
item->set_b("hello");
item = msg2.add_item();
item->set_a(4);
item->add_ra(6);
item->add_ra(5);
item->set_b("world");
std::string output;
differencer.ReportDifferencesToString(&output);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"moved: item[0].ra[0] -> item[0].ra[1] : 5\n"
"moved: item[0].ra[1] -> item[0].ra[0] : 6\n"
"modified: item[0].b: \"hello\" -> \"world\"\n",
output);
}
TEST(MessageDifferencerTest, RepeatedFieldMapTest_MultipleFieldPathsAsKey) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
// Treat "item" as Map, with key = ("m.a", "m.rc")
// Treat "item.m.rc" as Set
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
// key => value: (1, {2, 3}) => "a"
item->mutable_m()->set_a(1);
item->mutable_m()->add_rc(2);
item->mutable_m()->add_rc(3);
item->set_b("a");
item = msg1.add_item();
// key => value: (2, {1, 3}) => "b"
item->mutable_m()->set_a(2);
item->mutable_m()->add_rc(1);
item->mutable_m()->add_rc(3);
item->set_b("b");
item = msg1.add_item();
// key => value: (1, {1, 3}) => "c"
item->mutable_m()->set_a(1);
item->mutable_m()->add_rc(1);
item->mutable_m()->add_rc(3);
item->set_b("c");
item = msg2.add_item();
// key => value: (1, {1, 3}) => "c"
item->mutable_m()->set_a(1);
item->mutable_m()->add_rc(3);
item->mutable_m()->add_rc(1);
item->set_b("c");
item = msg2.add_item();
// key => value: (1, {2, 3}) => "a"
item->mutable_m()->set_a(1);
item->mutable_m()->add_rc(3);
item->mutable_m()->add_rc(2);
item->set_b("a");
item = msg2.add_item();
// key => value: (2, {1, 3}) => "b"
item->mutable_m()->set_a(2);
item->mutable_m()->add_rc(3);
item->mutable_m()->add_rc(1);
item->set_b("b");
// Compare
util::MessageDifferencer differencer;
differencer.TreatAsSet(GetFieldDescriptor(msg1, "item.m.rc"));
EXPECT_FALSE(differencer.Compare(msg1, msg2));
std::vector<std::vector<const FieldDescriptor*> > key_field_paths;
std::vector<const FieldDescriptor*> key_field_path1;
key_field_path1.push_back(GetFieldDescriptor(msg1, "item.m"));
key_field_path1.push_back(GetFieldDescriptor(msg1, "item.m.a"));
std::vector<const FieldDescriptor*> key_field_path2;
key_field_path2.push_back(GetFieldDescriptor(msg1, "item.m"));
key_field_path2.push_back(GetFieldDescriptor(msg1, "item.m.rc"));
key_field_paths.push_back(key_field_path1);
key_field_paths.push_back(key_field_path2);
differencer.TreatAsMapWithMultipleFieldPathsAsKey(
GetFieldDescriptor(msg1, "item"), key_field_paths);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
// Introduce some differences.
msg1.clear_item();
msg2.clear_item();
item = msg1.add_item();
item->mutable_m()->set_a(4);
item->mutable_m()->add_rc(5);
item->mutable_m()->add_rc(6);
item->set_b("hello");
item = msg2.add_item();
item->mutable_m()->set_a(4);
item->mutable_m()->add_rc(6);
item->mutable_m()->add_rc(5);
item->set_b("world");
std::string output;
differencer.ReportDifferencesToString(&output);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"modified: item[0].b: \"hello\" -> \"world\"\n"
"moved: item[0].m.rc[0] -> item[0].m.rc[1] : 5\n"
"moved: item[0].m.rc[1] -> item[0].m.rc[0] : 6\n",
output);
}
TEST(MessageDifferencerTest, RepeatedFieldMapTest_IgnoredKeyFields) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
// Treat "item" as Map, with key = ("a", "ra")
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->set_a(1);
item->add_ra(2);
item->set_b("hello");
item = msg2.add_item();
item->set_a(1);
item->add_ra(3);
item->set_b("world");
// Compare
util::MessageDifferencer differencer;
std::vector<const FieldDescriptor*> key_fields;
key_fields.push_back(GetFieldDescriptor(msg1, "item.a"));
key_fields.push_back(GetFieldDescriptor(msg1, "item.ra"));
differencer.TreatAsMapWithMultipleFieldsAsKey(
GetFieldDescriptor(msg1, "item"), key_fields);
std::string output;
differencer.ReportDifferencesToString(&output);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"added: item[0]: { a: 1 ra: 3 b: \"world\" }\n"
"deleted: item[0]: { a: 1 ra: 2 b: \"hello\" }\n",
output);
// Ignored fields that are listed as parts of the key are still used
// in key comparison, but they're not used in value comparison.
differencer.IgnoreField(GetFieldDescriptor(msg1, "item.ra"));
output.clear();
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"added: item[0]: { a: 1 ra: 3 b: \"world\" }\n"
"deleted: item[0]: { a: 1 ra: 2 b: \"hello\" }\n",
output);
// Ignoring a field in the key is different from treating the left fields
// as key. That is:
// (key = ("a", "ra") && ignore "ra") != (key = ("a") && ignore "ra")
util::MessageDifferencer differencer2;
differencer2.TreatAsMap(GetFieldDescriptor(msg1, "item"),
GetFieldDescriptor(msg1, "item.a"));
differencer2.IgnoreField(GetFieldDescriptor(msg1, "item.ra"));
output.clear();
differencer2.ReportDifferencesToString(&output);
EXPECT_FALSE(differencer2.Compare(msg1, msg2));
EXPECT_EQ(
"ignored: item[0].ra\n"
"modified: item[0].b: \"hello\" -> \"world\"\n",
output);
}
TEST(MessageDifferencerTest, PrintMapKeysTest) {
// Note that because map is unordered, the comparison
// output string for test evaluation cannot assume order of
// output of fields (IOW if two fields are deleted
// one cannot assume which deleted field log will be printed first).
// Test currently just has a single record per operation to address this.
// This should only be a limitation for EXPECT_EQ evaluation.
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->mutable_mp()->insert({{"key_a", 1}, {"key_b", 2}, {"key_c", 3}});
item = msg2.add_item();
item->mutable_mp()->insert({{"key_a", 1}, {"key_b", 3}, {"key_d", 4}});
util::MessageDifferencer differencer;
std::string diff;
differencer.ReportDifferencesToString(&diff);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"modified: item[0].mp[key_b]: 2 -> 3\n"
"added: item[0].mp[key_d]: 4\n"
"deleted: item[0].mp[key_c]: 3\n",
diff);
google::protobuf::Any any1, any2;
any1.PackFrom(msg1);
any2.PackFrom(msg2);
std::string diff_with_any;
differencer.ReportDifferencesToString(&diff_with_any);
EXPECT_FALSE(differencer.Compare(any1, any2));
EXPECT_EQ(
"modified: item[0].mp[key_b]: 2 -> 3\n"
"added: item[0].mp[key_d]: 4\n"
"deleted: item[0].mp[key_c]: 3\n",
diff_with_any);
}
static const char* const kIgnoredFields[] = {"rm.b", "rm.m.b"};
class TestIgnorer : public util::MessageDifferencer::IgnoreCriteria {
public:
bool IsIgnored(const Message& message1, const Message& message2,
const FieldDescriptor* field,
const std::vector<util::MessageDifferencer::SpecificField>&
parent_fields) override {
std::string name = "";
for (int i = 0; i < parent_fields.size(); ++i) {
name += parent_fields[i].field->name() + ".";
}
name += field->name();
for (int i = 0; i < GOOGLE_ARRAYSIZE(kIgnoredFields); ++i) {
if (name.compare(kIgnoredFields[i]) == 0) {
return true;
}
}
return false;
}
};
TEST(MessageDifferencerTest, TreatRepeatedFieldAsSetWithIgnoredFields) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
TextFormat::MergeFromString("rm { a: 11\n b: 12 }", &msg1);
TextFormat::MergeFromString("rm { a: 11\n b: 13 }", &msg2);
util::MessageDifferencer differ;
differ.TreatAsSet(GetFieldDescriptor(msg1, "rm"));
differ.AddIgnoreCriteria(new TestIgnorer);
EXPECT_TRUE(differ.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, TreatRepeatedFieldAsMapWithIgnoredKeyFields) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
TextFormat::MergeFromString("rm { a: 11\n m { a: 12\n b: 13\n } }", &msg1);
TextFormat::MergeFromString("rm { a: 11\n m { a: 12\n b: 14\n } }", &msg2);
util::MessageDifferencer differ;
differ.TreatAsMap(GetFieldDescriptor(msg1, "rm"),
GetFieldDescriptor(msg1, "rm.m"));
differ.AddIgnoreCriteria(new TestIgnorer);
EXPECT_TRUE(differ.Compare(msg1, msg2));
}
// Takes the product of all elements of item.ra as the key for key comparison.
class ValueProductMapKeyComparator
: public util::MessageDifferencer::MapKeyComparator {
public:
typedef util::MessageDifferencer::SpecificField SpecificField;
bool IsMatch(const Message& message1, const Message& message2,
const std::vector<SpecificField>& parent_fields) const override {
const Reflection* reflection1 = message1.GetReflection();
const Reflection* reflection2 = message2.GetReflection();
// FieldDescriptor for item.ra
const FieldDescriptor* ra_field =
message1.GetDescriptor()->FindFieldByName("ra");
// Get the product of all elements in item.ra
int result1 = 1, result2 = 1;
for (int i = 0; i < reflection1->FieldSize(message1, ra_field); ++i) {
result1 *= reflection1->GetRepeatedInt32(message1, ra_field, i);
}
for (int i = 0; i < reflection2->FieldSize(message2, ra_field); ++i) {
result2 *= reflection2->GetRepeatedInt32(message2, ra_field, i);
}
return result1 == result2;
}
};
TEST(MessageDifferencerTest, RepeatedFieldMapTest_CustomMapKeyComparator) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
// Treat "item" as Map, using custom key comparator to determine if two
// elements have the same key.
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->add_ra(6);
item->add_ra(35);
item->set_b("hello");
item = msg2.add_item();
item->add_ra(10);
item->add_ra(21);
item->set_b("hello");
util::MessageDifferencer differencer;
ValueProductMapKeyComparator key_comparator;
differencer.TreatAsMapUsingKeyComparator(GetFieldDescriptor(msg1, "item"),
&key_comparator);
std::string output;
differencer.ReportDifferencesToString(&output);
// Though the above two messages have different values for item.ra, they
// are regarded as having the same key because 6 * 35 == 10 * 21. That's
// how the key comparator determines if the two have the same key.
// However, in value comparison, all fields of the message are taken into
// consideration, so they are different because their item.ra fields have
// different values using normal value comparison.
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"modified: item[0].ra[0]: 6 -> 10\n"
"modified: item[0].ra[1]: 35 -> 21\n",
output);
differencer.IgnoreField(GetFieldDescriptor(msg1, "item.ra"));
output.clear();
// item.ra is ignored in value comparison, so the two messages equal.
EXPECT_TRUE(differencer.Compare(msg1, msg2));
EXPECT_EQ("ignored: item[0].ra\n", output);
}
// Compares fields by their index offset by one, so index 0 matches with 1, etc.
class OffsetByOneMapKeyComparator
: public util::MessageDifferencer::MapKeyComparator {
public:
typedef util::MessageDifferencer::SpecificField SpecificField;
bool IsMatch(const Message& message1, const Message& message2,
const std::vector<SpecificField>& parent_fields) const override {
return parent_fields.back().index + 1 == parent_fields.back().new_index;
}
};
TEST(MessageDifferencerTest, RepeatedFieldMapTest_CustomIndexMapKeyComparator) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
// Treat "item" as Map, using custom key comparator to determine if two
// elements have the same key.
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->set_b("one");
item = msg2.add_item();
item->set_b("zero");
item = msg2.add_item();
item->set_b("one");
util::MessageDifferencer differencer;
OffsetByOneMapKeyComparator key_comparator;
differencer.TreatAsMapUsingKeyComparator(GetFieldDescriptor(msg1, "item"),
&key_comparator);
std::string output;
differencer.ReportDifferencesToString(&output);
// With the offset by one comparator msg1.item[0] should be compared to
// msg2.item[1] and thus be moved, msg2.item[0] should be marked as added.
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"moved: item[0] -> item[1] : { b: \"one\" }\n"
"added: item[0]: { b: \"zero\" }\n",
output);
}
TEST(MessageDifferencerTest, RepeatedFieldSetTest_Subset) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
msg1.add_rv(3);
msg1.add_rv(8);
msg1.add_rv(2);
msg2.add_rv(2);
msg2.add_rv(3);
msg2.add_rv(5);
msg2.add_rv(8);
util::MessageDifferencer differencer;
// Fail with only partial scope set.
differencer.set_scope(util::MessageDifferencer::PARTIAL);
differencer.set_repeated_field_comparison(util::MessageDifferencer::AS_LIST);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Fail with only set-like comparison set.
differencer.set_scope(util::MessageDifferencer::FULL);
differencer.set_repeated_field_comparison(util::MessageDifferencer::AS_SET);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
// Succeed with scope and repeated field comparison set properly.
differencer.set_scope(util::MessageDifferencer::PARTIAL);
differencer.set_repeated_field_comparison(util::MessageDifferencer::AS_SET);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, IgnoreField_Single) {
protobuf_unittest::TestField msg1;
protobuf_unittest::TestField msg2;
msg1.set_c(3);
msg1.add_rc(1);
msg2.set_c(5);
msg2.add_rc(1);
util::MessageDifferencer differencer;
differencer.IgnoreField(GetFieldDescriptor(msg1, "c"));
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
}
TEST(MessageDifferencerTest, IgnoreField_Repeated) {
protobuf_unittest::TestField msg1;
protobuf_unittest::TestField msg2;
msg1.set_c(3);
msg1.add_rc(1);
msg1.add_rc(2);
msg2.set_c(3);
msg2.add_rc(1);
msg2.add_rc(3);
util::MessageDifferencer differencer;
differencer.IgnoreField(GetFieldDescriptor(msg1, "rc"));
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
}
TEST(MessageDifferencerTest, IgnoreField_Message) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestField* field;
field = msg1.add_rm();
field->set_c(3);
field = msg2.add_rm();
field->set_c(4);
util::MessageDifferencer differencer;
differencer.IgnoreField(GetFieldDescriptor(msg1, "rm"));
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
}
TEST(MessageDifferencerTest, IgnoreField_Group) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item;
item = msg1.add_item();
item->set_a(3);
item = msg2.add_item();
item->set_a(4);
util::MessageDifferencer differencer;
differencer.IgnoreField(GetFieldDescriptor(msg1, "item"));
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
}
TEST(MessageDifferencerTest, IgnoreField_Missing) {
protobuf_unittest::TestField msg1;
protobuf_unittest::TestField msg2;
msg1.set_c(3);
msg1.add_rc(1);
msg2.add_rc(1);
util::MessageDifferencer differencer;
differencer.IgnoreField(GetFieldDescriptor(msg1, "c"));
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
ExpectEqualsWithDifferencer(&differencer, msg2, msg1);
}
TEST(MessageDifferencerTest, IgnoreField_Multiple) {
protobuf_unittest::TestField msg1;
protobuf_unittest::TestField msg2;
msg1.set_c(3);
msg1.add_rc(1);
msg1.add_rc(2);
msg2.set_c(5);
msg2.add_rc(1);
msg2.add_rc(3);
const FieldDescriptor* c = GetFieldDescriptor(msg1, "c");
const FieldDescriptor* rc = GetFieldDescriptor(msg1, "rc");
{ // Ignore c
util::MessageDifferencer differencer;
differencer.IgnoreField(c);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
{ // Ignore rc
util::MessageDifferencer differencer;
differencer.IgnoreField(rc);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
{ // Ignore both
util::MessageDifferencer differencer;
differencer.IgnoreField(c);
differencer.IgnoreField(rc);
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
}
}
TEST(MessageDifferencerTest, IgnoreField_NestedMessage) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestField* field;
field = msg1.add_rm();
field->set_c(3);
field->add_rc(1);
field = msg2.add_rm();
field->set_c(4);
field->add_rc(1);
util::MessageDifferencer differencer;
differencer.IgnoreField(GetFieldDescriptor(msg1, "rm.c"));
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
}
TEST(MessageDifferencerTest, IgnoreField_NestedGroup) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item;
item = msg1.add_item();
item->set_a(3);
item->set_b("foo");
item = msg2.add_item();
item->set_a(4);
item->set_b("foo");
util::MessageDifferencer differencer;
differencer.IgnoreField(GetFieldDescriptor(msg1, "item.a"));
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
}
TEST(MessageDifferencerTest, IgnoreField_InsideSet) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item;
item = msg1.add_item();
item->set_a(1);
item->set_b("foo");
item->add_ra(1);
item = msg1.add_item();
item->set_a(2);
item->set_b("bar");
item->add_ra(2);
item = msg2.add_item();
item->set_a(2);
item->set_b("bar");
item->add_ra(2);
item = msg2.add_item();
item->set_a(1);
item->set_b("baz");
item->add_ra(1);
const FieldDescriptor* item_desc = GetFieldDescriptor(msg1, "item");
const FieldDescriptor* b = GetFieldDescriptor(msg1, "item.b");
util::MessageDifferencer differencer;
differencer.IgnoreField(b);
differencer.TreatAsSet(item_desc);
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
}
TEST(MessageDifferencerTest, IgnoreField_InsideMap) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item;
item = msg1.add_item();
item->set_a(1);
item->set_b("foo");
item->add_ra(1);
item = msg1.add_item();
item->set_a(2);
item->set_b("bar");
item->add_ra(2);
item = msg2.add_item();
item->set_a(2);
item->set_b("bar");
item->add_ra(2);
item = msg2.add_item();
item->set_a(1);
item->set_b("baz");
item->add_ra(1);
const FieldDescriptor* item_desc = GetFieldDescriptor(msg1, "item");
const FieldDescriptor* a = GetFieldDescriptor(msg1, "item.a");
const FieldDescriptor* b = GetFieldDescriptor(msg1, "item.b");
util::MessageDifferencer differencer;
differencer.IgnoreField(b);
differencer.TreatAsMap(item_desc, a);
ExpectEqualsWithDifferencer(&differencer, msg1, msg2);
}
TEST(MessageDifferencerTest, IgnoreField_DoesNotIgnoreKey) {
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item;
item = msg1.add_item();
item->set_a(1);
item->set_b("foo");
item->add_ra(1);
item = msg2.add_item();
item->set_a(2);
item->set_b("foo");
item->add_ra(1);
const FieldDescriptor* item_desc = GetFieldDescriptor(msg1, "item");
const FieldDescriptor* a = GetFieldDescriptor(msg1, "item.a");
util::MessageDifferencer differencer;
differencer.IgnoreField(a);
differencer.TreatAsMap(item_desc, a);
EXPECT_FALSE(differencer.Compare(msg1, msg2));
}
TEST(MessageDifferencerTest, IgnoreField_TrumpsCompareWithFields) {
protobuf_unittest::TestField msg1;
protobuf_unittest::TestField msg2;
msg1.set_c(3);
msg1.add_rc(1);
msg1.add_rc(2);
msg2.set_c(3);
msg2.add_rc(1);
msg2.add_rc(3);
const FieldDescriptor* c = GetFieldDescriptor(msg1, "c");
const FieldDescriptor* rc = GetFieldDescriptor(msg1, "rc");
std::vector<const FieldDescriptor*> fields;
fields.push_back(c);
fields.push_back(rc);
util::MessageDifferencer differencer;
differencer.IgnoreField(rc);
differencer.set_scope(util::MessageDifferencer::FULL);
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg2, fields, fields));
differencer.set_scope(util::MessageDifferencer::PARTIAL);
EXPECT_TRUE(differencer.CompareWithFields(msg1, msg2, fields, fields));
}
TEST(MessageDifferencerTest, IgnoreField_SetReportIgnoresFalse) {
protobuf_unittest::TestField msg1;
protobuf_unittest::TestField msg2;
msg1.set_a(1);
msg1.set_b(2);
msg1.set_c(3);
msg1.add_rc(1);
msg1.add_rc(2);
msg2.set_a(1);
msg2.set_b(1);
const FieldDescriptor* a = GetFieldDescriptor(msg1, "a");
const FieldDescriptor* b = GetFieldDescriptor(msg1, "b");
const FieldDescriptor* c = GetFieldDescriptor(msg1, "c");
const FieldDescriptor* rc = GetFieldDescriptor(msg1, "rc");
std::vector<const FieldDescriptor*> fields;
fields.push_back(a);
fields.push_back(b);
fields.push_back(c);
fields.push_back(rc);
std::string diff_report;
util::MessageDifferencer differencer;
differencer.set_report_ignores(false);
differencer.set_report_matches(true);
differencer.ReportDifferencesToString(&diff_report);
differencer.IgnoreField(c);
differencer.IgnoreField(rc);
differencer.set_scope(util::MessageDifferencer::FULL);
EXPECT_FALSE(differencer.CompareWithFields(msg1, msg2, fields, fields));
EXPECT_EQ(diff_report,
"matched: a : 1\n"
"modified: b: 2 -> 1\n");
}
// Test class to save a copy of the last field_context.parent_fields() vector
// passed to the comparison function.
class ParentSavingFieldComparator : public util::FieldComparator {
public:
ParentSavingFieldComparator() {}
ComparisonResult Compare(const Message& message_1, const Message& message_2,
const FieldDescriptor* field, int index_1,
int index_2,
const util::FieldContext* field_context) override {
if (field_context) parent_fields_ = *(field_context->parent_fields());
if (field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
return RECURSE;
} else {
return SAME;
}
}
std::vector<util::MessageDifferencer::SpecificField> parent_fields() {
return parent_fields_;
}
private:
std::vector<util::MessageDifferencer::SpecificField> parent_fields_;
};
// Tests if MessageDifferencer sends the parent fields in the FieldContext
// parameter.
TEST(MessageDifferencerTest, FieldContextParentFieldsTest) {
protobuf_unittest::TestDiffMessage msg1;
msg1.add_rm()->set_c(1);
protobuf_unittest::TestDiffMessage msg2;
msg2.add_rm()->set_c(1);
ParentSavingFieldComparator field_comparator;
util::MessageDifferencer differencer;
differencer.set_field_comparator(&field_comparator);
differencer.Compare(msg1, msg2);
// We want only one parent with the name "rm"
ASSERT_EQ(1, field_comparator.parent_fields().size());
EXPECT_EQ("rm", field_comparator.parent_fields()[0].field->name());
}
class ComparisonTest : public testing::Test {
protected:
ComparisonTest() : use_equivalency_(false), repeated_field_as_set_(false) {
// Setup the test.
TestUtil::SetAllFields(&proto1_);
TestUtil::SetAllFields(&proto2_);
TestUtil::SetAllExtensions(&proto1ex_);
TestUtil::SetAllExtensions(&proto2ex_);
TestUtil::SetAllFieldsAndExtensions(&orderings_proto1_);
TestUtil::SetAllFieldsAndExtensions(&orderings_proto2_);
unknown1_ = empty1_.mutable_unknown_fields();
unknown2_ = empty2_.mutable_unknown_fields();
}
~ComparisonTest() override {}
void SetSpecialFieldOption(const Message& message,
util::MessageDifferencer* d) {
if (!ignored_field_.empty()) {
d->IgnoreField(GetFieldDescriptor(message, ignored_field_));
}
if (repeated_field_as_set_) {
d->set_repeated_field_comparison(util::MessageDifferencer::AS_SET);
}
if (!set_field_.empty()) {
d->TreatAsSet(GetFieldDescriptor(message, set_field_));
}
if (!map_field_.empty() && !map_key_.empty()) {
d->TreatAsMap(GetFieldDescriptor(message, map_field_),
GetFieldDescriptor(message, map_field_ + "." + map_key_));
}
}
std::string Run(const Message& msg1, const Message& msg2) {
std::string output;
// Setup the comparison.
util::MessageDifferencer differencer;
differencer.ReportDifferencesToString(&output);
if (use_equivalency_) {
differencer.set_message_field_comparison(
util::MessageDifferencer::EQUIVALENT);
}
SetSpecialFieldOption(msg1, &differencer);
// Conduct the comparison.
EXPECT_FALSE(differencer.Compare(msg1, msg2));
return output;
}
std::string Run() { return Run(proto1_, proto2_); }
std::string RunOrder() { return Run(orderings_proto1_, orderings_proto2_); }
std::string RunEx() { return Run(proto1ex_, proto2ex_); }
std::string RunDiff() { return Run(proto1diff_, proto2diff_); }
std::string RunUn() { return Run(empty1_, empty2_); }
void use_equivalency() { use_equivalency_ = true; }
void repeated_field_as_set() { repeated_field_as_set_ = true; }
void field_as_set(const std::string& field) { set_field_ = field; }
void field_as_map(const std::string& field, const std::string& key) {
map_field_ = field;
map_key_ = key;
}
void ignore_field(const std::string& field) { ignored_field_ = field; }
unittest::TestAllTypes proto1_;
unittest::TestAllTypes proto2_;
unittest::TestFieldOrderings orderings_proto1_;
unittest::TestFieldOrderings orderings_proto2_;
unittest::TestAllExtensions proto1ex_;
unittest::TestAllExtensions proto2ex_;
unittest::TestDiffMessage proto1diff_;
unittest::TestDiffMessage proto2diff_;
unittest::TestEmptyMessage empty1_;
unittest::TestEmptyMessage empty2_;
unittest::TestMap map_proto1_;
unittest::TestMap map_proto2_;
UnknownFieldSet* unknown1_;
UnknownFieldSet* unknown2_;
bool use_equivalency_;
bool repeated_field_as_set_;
std::string set_field_;
std::string map_field_;
std::string map_key_;
std::string ignored_field_;
};
// Basic tests.
TEST_F(ComparisonTest, AdditionTest) {
proto1_.clear_optional_int32();
EXPECT_EQ("added: optional_int32: 101\n", Run());
}
TEST_F(ComparisonTest, Addition_OrderTest) {
orderings_proto1_.clear_my_int();
EXPECT_EQ("added: my_int: 1\n", RunOrder());
}
TEST_F(ComparisonTest, DeletionTest) {
proto2_.clear_optional_int32();
EXPECT_EQ("deleted: optional_int32: 101\n", Run());
}
TEST_F(ComparisonTest, Deletion_OrderTest) {
orderings_proto2_.clear_my_string();
EXPECT_EQ("deleted: my_string: \"foo\"\n", RunOrder());
}
TEST_F(ComparisonTest, RepeatedDeletionTest) {
proto2_.clear_repeated_int32();
EXPECT_EQ(
"deleted: repeated_int32[0]: 201\n"
"deleted: repeated_int32[1]: 301\n",
Run());
}
TEST_F(ComparisonTest, ModificationTest) {
proto1_.set_optional_int32(-1);
EXPECT_EQ("modified: optional_int32: -1 -> 101\n", Run());
}
// Basic equivalency tests.
TEST_F(ComparisonTest, EquivalencyAdditionTest) {
use_equivalency();
proto1_.clear_optional_int32();
EXPECT_EQ("modified: optional_int32: 0 -> 101\n", Run());
}
TEST_F(ComparisonTest, EquivalencyDeletionTest) {
use_equivalency();
proto2_.clear_optional_int32();
EXPECT_EQ("modified: optional_int32: 101 -> 0\n", Run());
}
// Group tests.
TEST_F(ComparisonTest, GroupAdditionTest) {
proto1_.mutable_optionalgroup()->clear_a();
EXPECT_EQ("added: optionalgroup.a: 117\n", Run());
}
TEST_F(ComparisonTest, GroupDeletionTest) {
proto2_.mutable_optionalgroup()->clear_a();
EXPECT_EQ("deleted: optionalgroup.a: 117\n", Run());
}
TEST_F(ComparisonTest, GroupModificationTest) {
proto1_.mutable_optionalgroup()->set_a(2);
EXPECT_EQ("modified: optionalgroup.a: 2 -> 117\n", Run());
}
TEST_F(ComparisonTest, GroupFullAdditionTest) {
proto1_.clear_optionalgroup();
// Note the difference in the output between this and GroupAdditionTest.
EXPECT_EQ("added: optionalgroup: { a: 117 }\n", Run());
}
TEST_F(ComparisonTest, GroupFullDeletionTest) {
proto2_.clear_optionalgroup();
EXPECT_EQ("deleted: optionalgroup: { a: 117 }\n", Run());
}
TEST_F(ComparisonTest, RepeatedSetOptionTest) {
repeated_field_as_set();
proto2_.clear_repeatedgroup();
proto1_.clear_repeatedgroup();
proto1_.add_repeatedgroup()->set_a(317);
proto2_.add_repeatedgroup()->set_a(909);
proto2_.add_repeatedgroup()->set_a(907);
proto1_.add_repeatedgroup()->set_a(904);
proto1_.add_repeatedgroup()->set_a(907);
proto1_.add_repeatedgroup()->set_a(909);
EXPECT_EQ(
"moved: repeatedgroup[2] -> repeatedgroup[1] : { a: 907 }\n"
"moved: repeatedgroup[3] -> repeatedgroup[0] : { a: 909 }\n"
"deleted: repeatedgroup[0]: { a: 317 }\n"
"deleted: repeatedgroup[1]: { a: 904 }\n",
Run());
}
TEST_F(ComparisonTest, RepeatedSetOptionTest_Ex) {
repeated_field_as_set();
proto1ex_.ClearExtension(protobuf_unittest::repeated_nested_message_extension);
proto2ex_.ClearExtension(protobuf_unittest::repeated_nested_message_extension);
proto2ex_.AddExtension(protobuf_unittest::repeated_nested_message_extension)
->set_bb(909);
proto2ex_.AddExtension(protobuf_unittest::repeated_nested_message_extension)
->set_bb(907);
proto1ex_.AddExtension(protobuf_unittest::repeated_nested_message_extension)
->set_bb(904);
proto1ex_.AddExtension(protobuf_unittest::repeated_nested_message_extension)
->set_bb(907);
proto1ex_.AddExtension(protobuf_unittest::repeated_nested_message_extension)
->set_bb(909);
EXPECT_EQ(
"moved: (protobuf_unittest.repeated_nested_message_extension)[2] ->"
" (protobuf_unittest.repeated_nested_message_extension)[0] :"
" { bb: 909 }\n"
"deleted: (protobuf_unittest.repeated_nested_message_extension)[0]:"
" { bb: 904 }\n",
RunEx());
}
TEST_F(ComparisonTest, RepeatedMapFieldTest_Group) {
field_as_map("repeatedgroup", "a");
proto1_.clear_repeatedgroup();
proto2_.clear_repeatedgroup();
proto1_.add_repeatedgroup()->set_a(317); // deleted
proto1_.add_repeatedgroup()->set_a(904); // deleted
proto1_.add_repeatedgroup()->set_a(907); // moved from
proto1_.add_repeatedgroup()->set_a(909); // moved from
proto2_.add_repeatedgroup()->set_a(909); // moved to
proto2_.add_repeatedgroup()->set_a(318); // added
proto2_.add_repeatedgroup()->set_a(907); // moved to
EXPECT_EQ(
"moved: repeatedgroup[3] -> repeatedgroup[0] : { a: 909 }\n"
"added: repeatedgroup[1]: { a: 318 }\n"
"deleted: repeatedgroup[0]: { a: 317 }\n"
"deleted: repeatedgroup[1]: { a: 904 }\n",
Run());
}
TEST_F(ComparisonTest, RepeatedMapFieldTest_MessageKey) {
// Use m as key, but use b as value.
field_as_map("item", "m");
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
// The following code creates one deletion, one addition and two moved fields
// on the messages.
item->mutable_m()->set_c(0);
item->set_b("first");
item = msg1.add_item();
item->mutable_m()->set_c(2);
item->set_b("second");
item = msg1.add_item();
item->set_b("null"); // empty key moved
item = msg1.add_item();
item->mutable_m()->set_c(3);
item->set_b("third"); // deletion
item = msg1.add_item();
item->mutable_m()->set_c(2);
item->set_b("second"); // duplicated key ( deletion )
item = msg2.add_item();
item->mutable_m()->set_c(2);
item->set_b("second"); // modification
item = msg2.add_item();
item->mutable_m()->set_c(4);
item->set_b("fourth"); // addition
item = msg2.add_item();
item->mutable_m()->set_c(0);
item->set_b("fist"); // move with change
item = msg2.add_item();
item->set_b("null");
EXPECT_EQ(
"modified: item[0].b -> item[2].b: \"first\" -> \"fist\"\n"
"moved: item[1] -> item[0] : { b: \"second\" m { c: 2 } }\n"
"moved: item[2] -> item[3] : { b: \"null\" }\n"
"added: item[1]: { b: \"fourth\" m { c: 4 } }\n"
"deleted: item[3]: { b: \"third\" m { c: 3 } }\n"
"deleted: item[4]: { b: \"second\" m { c: 2 } }\n",
Run(msg1, msg2));
}
TEST_F(ComparisonTest, RepeatedFieldSetTest_SetOfSet) {
repeated_field_as_set();
// Create the testing protos
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->add_ra(1);
item->add_ra(2);
item->add_ra(3);
item = msg1.add_item();
item->add_ra(5);
item->add_ra(6);
item = msg1.add_item();
item->add_ra(1);
item->add_ra(3);
item = msg1.add_item();
item->add_ra(6);
item->add_ra(7);
item->add_ra(8);
item = msg2.add_item();
item->add_ra(6);
item->add_ra(5);
item = msg2.add_item();
item->add_ra(6);
item->add_ra(8);
item = msg2.add_item();
item->add_ra(1);
item->add_ra(3);
item = msg2.add_item();
item->add_ra(3);
item->add_ra(2);
item->add_ra(1);
// Compare
EXPECT_EQ(
"moved: item[0].ra[0] -> item[3].ra[2] : 1\n"
"moved: item[0].ra[2] -> item[3].ra[0] : 3\n"
"moved: item[0] -> item[3] : { ra: 1 ra: 2 ra: 3 }\n"
"moved: item[1].ra[0] -> item[0].ra[1] : 5\n"
"moved: item[1].ra[1] -> item[0].ra[0] : 6\n"
"moved: item[1] -> item[0] : { ra: 5 ra: 6 }\n"
"added: item[1]: { ra: 6 ra: 8 }\n"
"deleted: item[3]: { ra: 6 ra: 7 ra: 8 }\n",
Run(msg1, msg2));
}
TEST_F(ComparisonTest, RepeatedMapFieldTest_RepeatedKey) {
// used rb as a key, but b is the value.
repeated_field_as_set();
field_as_map("item", "rb");
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->add_rb("a");
item->add_rb("b");
item->set_b("first");
item = msg2.add_item();
item->add_rb("c");
item->set_b("second");
item = msg2.add_item();
item->add_rb("b");
item->add_rb("a");
item->set_b("fist");
EXPECT_EQ(
"modified: item[0].b -> item[1].b: \"first\" -> \"fist\"\n"
"moved: item[0].rb[0] -> item[1].rb[1] : \"a\"\n"
"moved: item[0].rb[1] -> item[1].rb[0] : \"b\"\n"
"added: item[0]: { b: \"second\" rb: \"c\" }\n",
Run(msg1, msg2));
}
TEST_F(ComparisonTest, RepeatedMapFieldTest_RepeatedMessageKey) {
field_as_map("item", "rm");
protobuf_unittest::TestDiffMessage msg1;
protobuf_unittest::TestDiffMessage msg2;
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
protobuf_unittest::TestField* key = item->add_rm();
key->set_c(2);
key->add_rc(10);
key->add_rc(10);
item = msg1.add_item();
key = item->add_rm();
key->set_c(0);
key->add_rc(1);
key->add_rc(2);
key = item->add_rm();
key->set_c(0);
item->add_rb("first");
item = msg2.add_item();
item->CopyFrom(msg1.item(1));
item->add_rb("second");
EXPECT_EQ(
"added: item[0].rb[1]: \"second\"\n"
"deleted: item[0]: { rm { c: 2 rc: 10 rc: 10 } }\n",
Run(msg1, msg2));
}
TEST_F(ComparisonTest, RepeatedSetOptionTest_Unknown) {
// Currently, as_set option doesn't have affects on unknown field.
// If needed, this feature will be added by request.
repeated_field_as_set();
unknown1_->AddGroup(245)->AddFixed32(248, 1);
unknown2_->AddGroup(245)->AddFixed32(248, 3);
unknown2_->AddGroup(245)->AddFixed32(248, 1);
// We expect it behaves the same as normal comparison.
EXPECT_EQ(
"modified: 245[0].248[0]: 0x00000001 -> 0x00000003\n"
"added: 245[1]: { ... }\n",
RunUn());
}
TEST_F(ComparisonTest, Matching_Unknown) {
unknown1_->AddGroup(245)->AddFixed32(248, 1);
unknown2_->AddGroup(245)->AddFixed32(248, 1);
unknown1_->AddGroup(245)->AddFixed32(248, 3);
unknown2_->AddGroup(245)->AddFixed32(248, 3);
unknown2_->AddLengthDelimited(242, "cat");
unknown2_->AddGroup(246)->AddFixed32(248, 4);
// report_match is false so only added/modified fields are expected.
EXPECT_EQ(
"added: 242[0]: \"cat\"\n"
"added: 246[0]: { ... }\n",
RunUn());
}
TEST_F(ComparisonTest, RepeatedSetFieldTest) {
field_as_set("repeatedgroup");
proto1_.clear_repeatedgroup();
proto2_.clear_repeatedgroup();
proto2_.add_repeatedgroup()->set_a(909);
proto2_.add_repeatedgroup()->set_a(907);
proto1_.add_repeatedgroup()->set_a(317);
proto1_.add_repeatedgroup()->set_a(904);
proto1_.add_repeatedgroup()->set_a(907);
proto1_.add_repeatedgroup()->set_a(909);
EXPECT_EQ(
"moved: repeatedgroup[2] -> repeatedgroup[1] : { a: 907 }\n"
"moved: repeatedgroup[3] -> repeatedgroup[0] : { a: 909 }\n"
"deleted: repeatedgroup[0]: { a: 317 }\n"
"deleted: repeatedgroup[1]: { a: 904 }\n",
Run());
}
// Embedded message tests.
TEST_F(ComparisonTest, EmbeddedAdditionTest) {
proto1_.mutable_optional_nested_message()->clear_bb();
EXPECT_EQ("added: optional_nested_message.bb: 118\n", Run());
}
TEST_F(ComparisonTest, EmbeddedDeletionTest) {
proto2_.mutable_optional_nested_message()->clear_bb();
EXPECT_EQ("deleted: optional_nested_message.bb: 118\n", Run());
}
TEST_F(ComparisonTest, EmbeddedModificationTest) {
proto1_.mutable_optional_nested_message()->set_bb(2);
EXPECT_EQ("modified: optional_nested_message.bb: 2 -> 118\n", Run());
}
TEST_F(ComparisonTest, EmbeddedFullAdditionTest) {
proto1_.clear_optional_nested_message();
EXPECT_EQ("added: optional_nested_message: { bb: 118 }\n", Run());
}
TEST_F(ComparisonTest, EmbeddedPartialAdditionTest) {
proto1_.clear_optional_nested_message();
proto2_.mutable_optional_nested_message()->clear_bb();
EXPECT_EQ("added: optional_nested_message: { }\n", Run());
}
TEST_F(ComparisonTest, EmbeddedFullDeletionTest) {
proto2_.clear_optional_nested_message();
EXPECT_EQ("deleted: optional_nested_message: { bb: 118 }\n", Run());
}
// Repeated element tests.
TEST_F(ComparisonTest, BasicRepeatedTest) {
proto1_.clear_repeated_int32();
proto2_.clear_repeated_int32();
proto1_.add_repeated_int32(500);
proto1_.add_repeated_int32(501);
proto1_.add_repeated_int32(502);
proto1_.add_repeated_int32(503);
proto1_.add_repeated_int32(500);
proto2_.add_repeated_int32(500);
proto2_.add_repeated_int32(509);
proto2_.add_repeated_int32(502);
proto2_.add_repeated_int32(504);
EXPECT_EQ(
"modified: repeated_int32[1]: 501 -> 509\n"
"modified: repeated_int32[3]: 503 -> 504\n"
"deleted: repeated_int32[4]: 500\n",
Run());
}
TEST_F(ComparisonTest, BasicRepeatedTest_SetOption) {
repeated_field_as_set();
proto1_.clear_repeated_int32();
proto2_.clear_repeated_int32();
proto1_.add_repeated_int32(501);
proto1_.add_repeated_int32(502);
proto1_.add_repeated_int32(503);
proto1_.add_repeated_int32(500);
proto1_.add_repeated_int32(500);
proto2_.add_repeated_int32(500);
proto2_.add_repeated_int32(509);
proto2_.add_repeated_int32(503);
proto2_.add_repeated_int32(502);
proto2_.add_repeated_int32(504);
EXPECT_EQ(
"moved: repeated_int32[1] -> repeated_int32[3] : 502\n"
"moved: repeated_int32[3] -> repeated_int32[0] : 500\n"
"added: repeated_int32[1]: 509\n"
"added: repeated_int32[4]: 504\n"
"deleted: repeated_int32[0]: 501\n"
"deleted: repeated_int32[4]: 500\n",
Run());
}
TEST_F(ComparisonTest, BasicRepeatedTest_SetField) {
field_as_set("repeated_int32");
proto1_.clear_repeated_int32();
proto2_.clear_repeated_int32();
proto1_.add_repeated_int32(501);
proto1_.add_repeated_int32(502);
proto1_.add_repeated_int32(503);
proto1_.add_repeated_int32(500);
proto1_.add_repeated_int32(500);
proto2_.add_repeated_int32(500);
proto2_.add_repeated_int32(509);
proto2_.add_repeated_int32(503);
proto2_.add_repeated_int32(502);
proto2_.add_repeated_int32(504);
EXPECT_EQ(
"moved: repeated_int32[1] -> repeated_int32[3] : 502\n"
"moved: repeated_int32[3] -> repeated_int32[0] : 500\n"
"added: repeated_int32[1]: 509\n"
"added: repeated_int32[4]: 504\n"
"deleted: repeated_int32[0]: 501\n"
"deleted: repeated_int32[4]: 500\n",
Run());
}
// Multiple action tests.
TEST_F(ComparisonTest, AddDeleteTest) {
proto1_.clear_optional_int32();
proto2_.clear_optional_int64();
EXPECT_EQ(
"added: optional_int32: 101\n"
"deleted: optional_int64: 102\n",
Run());
}
TEST_F(ComparisonTest, AddDelete_FieldOrderingTest) {
orderings_proto1_.ClearExtension(unittest::my_extension_string);
orderings_proto2_.clear_my_int();
EXPECT_EQ(
"deleted: my_int: 1\n"
"added: (protobuf_unittest.my_extension_string): \"bar\"\n",
RunOrder());
}
TEST_F(ComparisonTest, AllThreeTest) {
proto1_.clear_optional_int32();
proto2_.clear_optional_float();
proto2_.set_optional_string("hello world!");
EXPECT_EQ(
"added: optional_int32: 101\n"
"deleted: optional_float: 111\n"
"modified: optional_string: \"115\" -> \"hello world!\"\n",
Run());
}
TEST_F(ComparisonTest, SandwhichTest) {
proto1_.clear_optional_int64();
proto1_.clear_optional_uint32();
proto2_.clear_optional_uint64();
EXPECT_EQ(
"added: optional_int64: 102\n"
"added: optional_uint32: 103\n"
"deleted: optional_uint64: 104\n",
Run());
}
TEST_F(ComparisonTest, IgnoredNoChangeTest) {
proto1diff_.set_v(3);
proto2diff_.set_v(3);
proto2diff_.set_w("foo");
ignore_field("v");
EXPECT_EQ(
"ignored: v\n"
"added: w: \"foo\"\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredAddTest) {
proto2diff_.set_v(3);
proto2diff_.set_w("foo");
ignore_field("v");
EXPECT_EQ(
"ignored: v\n"
"added: w: \"foo\"\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredDeleteTest) {
proto1diff_.set_v(3);
proto2diff_.set_w("foo");
ignore_field("v");
EXPECT_EQ(
"ignored: v\n"
"added: w: \"foo\"\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredModifyTest) {
proto1diff_.set_v(3);
proto2diff_.set_v(4);
proto2diff_.set_w("foo");
ignore_field("v");
EXPECT_EQ(
"ignored: v\n"
"added: w: \"foo\"\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredRepeatedAddTest) {
proto1diff_.add_rv(3);
proto1diff_.add_rv(4);
proto2diff_.add_rv(3);
proto2diff_.add_rv(4);
proto2diff_.add_rv(5);
proto2diff_.set_w("foo");
ignore_field("rv");
EXPECT_EQ(
"ignored: rv\n"
"added: w: \"foo\"\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredRepeatedDeleteTest) {
proto1diff_.add_rv(3);
proto1diff_.add_rv(4);
proto1diff_.add_rv(5);
proto2diff_.add_rv(3);
proto2diff_.add_rv(4);
proto2diff_.set_w("foo");
ignore_field("rv");
EXPECT_EQ(
"ignored: rv\n"
"added: w: \"foo\"\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredRepeatedModifyTest) {
proto1diff_.add_rv(3);
proto1diff_.add_rv(4);
proto2diff_.add_rv(3);
proto2diff_.add_rv(5);
proto2diff_.set_w("foo");
ignore_field("rv");
EXPECT_EQ(
"ignored: rv\n"
"added: w: \"foo\"\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredWholeNestedMessage) {
proto1diff_.mutable_m()->set_c(3);
proto2diff_.mutable_m()->set_c(4);
proto2diff_.set_w("foo");
ignore_field("m");
EXPECT_EQ(
"added: w: \"foo\"\n"
"ignored: m\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredNestedField) {
proto1diff_.mutable_m()->set_c(3);
proto2diff_.mutable_m()->set_c(4);
proto2diff_.set_w("foo");
ignore_field("m.c");
EXPECT_EQ(
"added: w: \"foo\"\n"
"ignored: m.c\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredRepeatedNested) {
proto1diff_.add_rm()->set_c(0);
proto1diff_.add_rm()->set_c(1);
proto2diff_.add_rm()->set_c(2);
proto2diff_.add_rm()->set_c(3);
proto2diff_.set_w("foo");
ignore_field("rm.c");
EXPECT_EQ(
"ignored: rm[0].c\n"
"ignored: rm[1].c\n"
"added: w: \"foo\"\n",
RunDiff());
}
TEST_F(ComparisonTest, IgnoredNestedRepeated) {
proto1diff_.mutable_m()->add_rc(23);
proto1diff_.mutable_m()->add_rc(24);
proto2diff_.mutable_m()->add_rc(25);
proto2diff_.set_w("foo");
ignore_field("m.rc");
EXPECT_EQ(
"added: w: \"foo\"\n"
"ignored: m.rc\n",
RunDiff());
}
TEST_F(ComparisonTest, ExtensionTest) {
proto1ex_.SetExtension(unittest::optional_int32_extension, 401);
proto2ex_.SetExtension(unittest::optional_int32_extension, 402);
proto1ex_.ClearExtension(unittest::optional_int64_extension);
proto2ex_.SetExtension(unittest::optional_int64_extension, 403);
EXPECT_EQ(
"modified: (protobuf_unittest.optional_int32_extension): 401 -> 402\n"
"added: (protobuf_unittest.optional_int64_extension): 403\n",
RunEx());
}
TEST_F(ComparisonTest, MatchedUnknownFieldTagTest) {
unknown1_->AddVarint(240, 122);
unknown2_->AddVarint(240, 121);
unknown1_->AddFixed32(241, 1);
unknown2_->AddFixed64(241, 2);
unknown1_->AddLengthDelimited(242, "cat");
unknown2_->AddLengthDelimited(242, "dog");
EXPECT_EQ(
"modified: 240[0]: 122 -> 121\n"
"deleted: 241[0]: 0x00000001\n"
"added: 241[0]: 0x0000000000000002\n"
"modified: 242[0]: \"cat\" -> \"dog\"\n",
RunUn());
}
TEST_F(ComparisonTest, UnmatchedUnknownFieldTagTest) {
unknown1_->AddFixed32(243, 1);
unknown2_->AddVarint(244, 2);
unknown2_->AddVarint(244, 4);
EXPECT_EQ(
"deleted: 243[0]: 0x00000001\n"
"added: 244[0]: 2\n"
"added: 244[1]: 4\n",
RunUn());
}
TEST_F(ComparisonTest, DifferentSizedUnknownFieldTest) {
unknown1_->AddVarint(240, 1);
unknown1_->AddVarint(240, 3);
unknown1_->AddVarint(240, 4);
unknown2_->AddVarint(240, 2);
unknown2_->AddVarint(240, 3);
unknown2_->AddVarint(240, 2);
unknown2_->AddVarint(240, 5);
EXPECT_EQ(
"modified: 240[0]: 1 -> 2\n"
"modified: 240[2]: 4 -> 2\n"
"added: 240[3]: 5\n",
RunUn());
}
TEST_F(ComparisonTest, UnknownFieldsAll) {
unknown1_->AddVarint(243, 122);
unknown1_->AddFixed64(244, 0x0172356);
unknown1_->AddFixed64(244, 0x098);
unknown1_->AddGroup(245)->AddFixed32(248, 1);
unknown1_->mutable_field(3)->mutable_group()->AddFixed32(248, 2);
unknown1_->AddGroup(249)->AddFixed64(250, 1);
unknown2_->AddVarint(243, 121);
unknown2_->AddLengthDelimited(73882, "test 123");
unknown2_->AddGroup(245)->AddFixed32(248, 3);
unknown2_->AddGroup(247);
EXPECT_EQ(
"modified: 243[0]: 122 -> 121\n"
"deleted: 244[0]: 0x0000000000172356\n"
"deleted: 244[1]: 0x0000000000000098\n"
"modified: 245[0].248[0]: 0x00000001 -> 0x00000003\n"
"deleted: 245[0].248[1]: 0x00000002\n"
"added: 247[0]: { ... }\n"
"deleted: 249[0]: { ... }\n"
"added: 73882[0]: \"test 123\"\n",
RunUn());
}
TEST_F(ComparisonTest, EquivalentIgnoresUnknown) {
unittest::ForeignMessage message1, message2;
message1.set_c(5);
message1.mutable_unknown_fields()->AddVarint(123, 456);
message2.set_c(5);
message2.mutable_unknown_fields()->AddVarint(321, 654);
EXPECT_FALSE(util::MessageDifferencer::Equals(message1, message2));
EXPECT_TRUE(util::MessageDifferencer::Equivalent(message1, message2));
}
TEST_F(ComparisonTest, MapTest) {
Map<std::string, std::string>& map1 =
*map_proto1_.mutable_map_string_string();
map1["key1"] = "1";
map1["key2"] = "2";
map1["key3"] = "3";
Map<std::string, std::string>& map2 =
*map_proto2_.mutable_map_string_string();
map2["key3"] = "0";
map2["key2"] = "2";
map2["key1"] = "1";
EXPECT_EQ("modified: map_string_string[key3]: \"3\" -> \"0\"\n",
Run(map_proto1_, map_proto2_));
}
TEST_F(ComparisonTest, MapIgnoreKeyTest) {
Map<std::string, std::string>& map1 =
*map_proto1_.mutable_map_string_string();
map1["key1"] = "1";
map1["key2"] = "2";
map1["key3"] = "3";
Map<std::string, std::string>& map2 =
*map_proto2_.mutable_map_string_string();
map2["key4"] = "2";
map2["key5"] = "3";
map2["key6"] = "1";
util::MessageDifferencer differencer;
differencer.IgnoreField(
GetFieldDescriptor(map_proto1_, "map_string_string.key"));
EXPECT_TRUE(differencer.Compare(map_proto1_, map_proto2_));
}
TEST_F(ComparisonTest, MapRoundTripSyncTest) {
TextFormat::Parser parser;
unittest::TestMap map_reflection1;
// By setting via reflection, data exists in repeated field.
ASSERT_TRUE(parser.ParseFromString("map_int32_foreign_message { key: 1 }",
&map_reflection1));
// During copy, data is synced from repeated field to map.
unittest::TestMap map_reflection2 = map_reflection1;
// During comparison, data is synced from map to repeated field.
EXPECT_TRUE(
util::MessageDifferencer::Equals(map_reflection1, map_reflection2));
}
TEST_F(ComparisonTest, MapEntryPartialTest) {
TextFormat::Parser parser;
unittest::TestMap map1;
unittest::TestMap map2;
std::string output;
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
differencer.ReportDifferencesToString(&output);
ASSERT_TRUE(parser.ParseFromString(
"map_int32_foreign_message { key: 1 value { c: 1 } }", &map1));
ASSERT_TRUE(parser.ParseFromString(
"map_int32_foreign_message { key: 1 value { c: 2 }}", &map2));
EXPECT_FALSE(differencer.Compare(map1, map2));
EXPECT_EQ("modified: map_int32_foreign_message[1].c: 1 -> 2\n", output);
ASSERT_TRUE(
parser.ParseFromString("map_int32_foreign_message { key: 1 }", &map1));
EXPECT_TRUE(differencer.Compare(map1, map2));
}
TEST_F(ComparisonTest, MapEntryPartialEmptyKeyTest) {
TextFormat::Parser parser;
unittest::TestMap map1;
unittest::TestMap map2;
ASSERT_TRUE(parser.ParseFromString("map_int32_foreign_message {}", &map1));
ASSERT_TRUE(
parser.ParseFromString("map_int32_foreign_message { key: 1 }", &map2));
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
// TODO(jieluo): Remove the round trip
std::string serialized_value;
map1.SerializeToString(&serialized_value);
map1.ParseFromString(serialized_value);
EXPECT_FALSE(differencer.Compare(map1, map2));
}
TEST_F(ComparisonTest, MapEntryMissingEmptyFieldIsOkTest) {
TextFormat::Parser parser;
protobuf_unittest::TestMap msg1;
protobuf_unittest::TestMap msg2;
ASSERT_TRUE(parser.ParseFromString(
"map_string_foreign_message { key: 'key1' value {}}", &msg1));
ASSERT_TRUE(parser.ParseFromString(
"map_string_foreign_message { key: 'key1' }", &msg2));
util::MessageDifferencer differencer;
differencer.set_scope(util::MessageDifferencer::PARTIAL);
ASSERT_TRUE(differencer.Compare(msg1, msg2));
}
// Considers strings keys as equal if they have equal lengths.
class LengthMapKeyComparator
: public util::MessageDifferencer::MapKeyComparator {
public:
typedef util::MessageDifferencer::SpecificField SpecificField;
bool IsMatch(const Message& message1, const Message& message2,
const std::vector<SpecificField>& parent_fields) const override {
const Reflection* reflection1 = message1.GetReflection();
const Reflection* reflection2 = message2.GetReflection();
const FieldDescriptor* key_field = message1.GetDescriptor()->map_key();
return reflection1->GetString(message1, key_field).size() ==
reflection2->GetString(message2, key_field).size();
}
};
TEST_F(ComparisonTest, MapEntryCustomMapKeyComparator) {
TextFormat::Parser parser;
protobuf_unittest::TestMap msg1;
protobuf_unittest::TestMap msg2;
ASSERT_TRUE(parser.ParseFromString(
"map_string_foreign_message { key: 'key1' value { c: 1 }}", &msg1));
ASSERT_TRUE(parser.ParseFromString(
"map_string_foreign_message { key: 'key2' value { c: 1 }}", &msg2));
util::MessageDifferencer differencer;
LengthMapKeyComparator key_comparator;
differencer.TreatAsMapUsingKeyComparator(
GetFieldDescriptor(msg1, "map_string_foreign_message"), &key_comparator);
std::string output;
differencer.ReportDifferencesToString(&output);
// Though the above two messages have different keys for their map entries,
// they are considered the same by key_comparator because their lengths are
// equal. However, in value comparison, all fields of the message are taken
// into consideration, so they are reported as different.
EXPECT_FALSE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"modified: map_string_foreign_message[key1].key: \"key1\" -> \"key2\"\n",
output);
differencer.IgnoreField(
GetFieldDescriptor(msg1, "map_string_foreign_message.key"));
output.clear();
EXPECT_TRUE(differencer.Compare(msg1, msg2));
EXPECT_EQ("ignored: map_string_foreign_message[key1].key\n", output);
}
class MatchingTest : public testing::Test {
public:
typedef util::MessageDifferencer MessageDifferencer;
protected:
MatchingTest() {}
~MatchingTest() override {}
std::string RunWithResult(MessageDifferencer* differencer,
const Message& msg1, const Message& msg2,
bool result) {
std::string output;
{
// Before we return the "output" string, we must make sure the
// StreamReporter is destructored because its destructor will
// flush the stream.
io::StringOutputStream output_stream(&output);
MessageDifferencer::StreamReporter reporter(&output_stream);
reporter.set_report_modified_aggregates(true);
differencer->set_report_matches(true);
differencer->ReportDifferencesTo(&reporter);
if (result) {
EXPECT_TRUE(differencer->Compare(msg1, msg2));
} else {
EXPECT_FALSE(differencer->Compare(msg1, msg2));
}
}
return output;
}
private:
GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(MatchingTest);
};
TEST_F(MatchingTest, StreamReporterMatching) {
protobuf_unittest::TestField msg1, msg2;
msg1.set_c(72);
msg2.set_c(72);
msg1.add_rc(13);
msg2.add_rc(13);
msg1.add_rc(17);
msg2.add_rc(17);
std::string output;
MessageDifferencer differencer;
differencer.set_report_matches(true);
differencer.ReportDifferencesToString(&output);
EXPECT_TRUE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"matched: c : 72\n"
"matched: rc[0] : 13\n"
"matched: rc[1] : 17\n",
output);
}
TEST_F(MatchingTest, DontReportMatchedWhenIgnoring) {
protobuf_unittest::TestField msg1, msg2;
msg1.set_c(72);
msg2.set_c(72);
msg1.add_rc(13);
msg2.add_rc(13);
msg1.add_rc(17);
msg2.add_rc(17);
std::string output;
MessageDifferencer differencer;
differencer.set_report_matches(true);
differencer.ReportDifferencesToString(&output);
differencer.IgnoreField(msg1.GetDescriptor()->FindFieldByName("c"));
EXPECT_TRUE(differencer.Compare(msg1, msg2));
EXPECT_EQ(
"ignored: c\n"
"matched: rc[0] : 13\n"
"matched: rc[1] : 17\n",
output);
}
TEST_F(MatchingTest, ReportMatchedForMovedFields) {
protobuf_unittest::TestDiffMessage msg1, msg2;
protobuf_unittest::TestDiffMessage::Item* item = msg1.add_item();
item->set_a(53);
item->set_b("hello");
item = msg2.add_item();
item->set_a(27);
item = msg2.add_item();
item->set_a(53);
item->set_b("hello");
item = msg1.add_item();
item->set_a(27);
MessageDifferencer differencer;
const FieldDescriptor* desc;
desc = msg1.GetDescriptor()->FindFieldByName("item");
differencer.TreatAsSet(desc);
EXPECT_EQ(
"matched: item[0].a -> item[1].a : 53\n"
"matched: item[0].b -> item[1].b : \"hello\"\n"
"moved: item[0] -> item[1] : { a: 53 b: \"hello\" }\n"
"matched: item[1].a -> item[0].a : 27\n"
"moved: item[1] -> item[0] : { a: 27 }\n",
RunWithResult(&differencer, msg1, msg2, true));
}
TEST_F(MatchingTest, MatchesAppearInPostTraversalOrderForMovedFields) {
protobuf_unittest::TestDiffMessage msg1, msg2;
protobuf_unittest::TestDiffMessage::Item* item;
protobuf_unittest::TestField* field;
const FieldDescriptor* desc;
const FieldDescriptor* nested_desc;
const FieldDescriptor* double_nested_desc;
desc = msg1.GetDescriptor()->FindFieldByName("item");
nested_desc = desc->message_type()->FindFieldByName("rm");
double_nested_desc = nested_desc->message_type()->FindFieldByName("rc");
MessageDifferencer differencer;
differencer.TreatAsSet(desc);
differencer.TreatAsSet(nested_desc);
differencer.TreatAsSet(double_nested_desc);
item = msg1.add_item();
field = item->add_rm();
field->set_c(1);
field->add_rc(2);
field->add_rc(3);
field = item->add_rm();
field->set_c(4);
field->add_rc(5);
field->add_rc(6);
field->add_rc(7);
item = msg2.add_item();
field = item->add_rm();
field->set_c(4);
field->add_rc(7);
field->add_rc(6);
field->add_rc(5);
field = item->add_rm();
field->set_c(1);
field->add_rc(3);
field->add_rc(2);
item = msg1.add_item();
field = item->add_rm();
field->set_c(8);
field->add_rc(10);
field->add_rc(11);
field->add_rc(9);
item = msg2.add_item();
field = item->add_rm();
field->set_c(8);
field->add_rc(9);
field->add_rc(10);
field->add_rc(11);
EXPECT_EQ(
"matched: item[0].rm[0].c -> item[0].rm[1].c : 1\n"
"moved: item[0].rm[0].rc[0] -> item[0].rm[1].rc[1] : 2\n"
"moved: item[0].rm[0].rc[1] -> item[0].rm[1].rc[0] : 3\n"
"moved: item[0].rm[0] -> item[0].rm[1] : { c: 1 rc: 2 rc: 3 }\n"
"matched: item[0].rm[1].c -> item[0].rm[0].c : 4\n"
"moved: item[0].rm[1].rc[0] -> item[0].rm[0].rc[2] : 5\n"
"matched: item[0].rm[1].rc[1] -> item[0].rm[0].rc[1] : 6\n"
"moved: item[0].rm[1].rc[2] -> item[0].rm[0].rc[0] : 7\n"
"moved: item[0].rm[1] -> item[0].rm[0] : { c: 4 rc: 5 rc: 6 rc: 7 }\n"
"matched: item[0] : { rm { c: 1 rc: 2 rc: 3 }"
" rm { c: 4 rc: 5 rc: 6 rc: 7 } }\n"
"matched: item[1].rm[0].c : 8\n"
"moved: item[1].rm[0].rc[0] -> item[1].rm[0].rc[1] : 10\n"
"moved: item[1].rm[0].rc[1] -> item[1].rm[0].rc[2] : 11\n"
"moved: item[1].rm[0].rc[2] -> item[1].rm[0].rc[0] : 9\n"
"matched: item[1].rm[0] : { c: 8 rc: 10 rc: 11 rc: 9 }\n"
"matched: item[1] : { rm { c: 8 rc: 10 rc: 11 rc: 9 } }\n",
RunWithResult(&differencer, msg1, msg2, true));
}
TEST_F(MatchingTest, MatchAndModifiedInterleaveProperly) {
protobuf_unittest::TestDiffMessage msg1, msg2;
protobuf_unittest::TestDiffMessage::Item* item;
protobuf_unittest::TestField* field;
const FieldDescriptor* desc;
const FieldDescriptor* nested_key;
const FieldDescriptor* nested_desc;
const FieldDescriptor* double_nested_key;
const FieldDescriptor* double_nested_desc;
desc = msg1.GetDescriptor()->FindFieldByName("item");
nested_key = desc->message_type()->FindFieldByName("a");
nested_desc = desc->message_type()->FindFieldByName("rm");
double_nested_key = nested_desc->message_type()->FindFieldByName("c");
double_nested_desc = nested_desc->message_type()->FindFieldByName("rc");
MessageDifferencer differencer;
differencer.TreatAsMap(desc, nested_key);
differencer.TreatAsMap(nested_desc, double_nested_key);
differencer.TreatAsSet(double_nested_desc);
item = msg1.add_item();
item->set_a(1);
field = item->add_rm();
field->set_c(2);
field->add_rc(3);
field->add_rc(4);
field = item->add_rm();
field->set_c(5);
field->add_rc(6);
field->add_rc(7);
field->add_rc(8);
item = msg1.add_item();
item->set_a(9);
field = item->add_rm();
field->set_c(10);
field->add_rc(11);
field->add_rc(12);
field = item->add_rm();
field->set_c(13);
item = msg2.add_item();
item->set_a(1);
field = item->add_rm();
field->set_c(5);
field->add_rc(8);
field->add_rc(8);
field->add_rc(6);
field = item->add_rm();
field->set_c(3);
field->add_rc(2);
field->add_rc(4);
item = msg2.add_item();
item->set_a(9);
field = item->add_rm();
field->set_c(10);
field->add_rc(12);
field->add_rc(11);
field = item->add_rm();
field->set_c(13);
EXPECT_EQ(
"matched: item[0].a : 1\n"
"matched: item[0].rm[1].c -> item[0].rm[0].c : 5\n"
"moved: item[0].rm[1].rc[0] -> item[0].rm[0].rc[2] : 6\n"
"moved: item[0].rm[1].rc[2] -> item[0].rm[0].rc[0] : 8\n"
"added: item[0].rm[0].rc[1]: 8\n"
"deleted: item[0].rm[1].rc[1]: 7\n"
"modified: item[0].rm[1] -> item[0].rm[0]: { c: 5 rc: 6 rc: 7 rc: 8 } ->"
" { c: 5 rc: 8 rc: 8 rc: 6 }\n"
"added: item[0].rm[1]: { c: 3 rc: 2 rc: 4 }\n"
"deleted: item[0].rm[0]: { c: 2 rc: 3 rc: 4 }\n"
"modified: item[0]: { a: 1 rm { c: 2 rc: 3 rc: 4 }"
" rm { c: 5 rc: 6 rc: 7 rc: 8 } } ->"
" { a: 1 rm { c: 5 rc: 8 rc: 8 rc: 6 }"
" rm { c: 3 rc: 2 rc: 4 } }\n"
"matched: item[1].a : 9\n"
"matched: item[1].rm[0].c : 10\n"
"moved: item[1].rm[0].rc[0] -> item[1].rm[0].rc[1] : 11\n"
"moved: item[1].rm[0].rc[1] -> item[1].rm[0].rc[0] : 12\n"
"matched: item[1].rm[0] : { c: 10 rc: 11 rc: 12 }\n"
"matched: item[1].rm[1].c : 13\n"
"matched: item[1].rm[1] : { c: 13 }\n"
"matched: item[1] : { a: 9 rm { c: 10 rc: 11 rc: 12 } rm { c: 13 } }\n",
RunWithResult(&differencer, msg1, msg2, false));
}
TEST_F(MatchingTest, MatchingWorksWithExtensions) {
protobuf_unittest::TestAllExtensions msg1, msg2;
protobuf_unittest::TestAllTypes::NestedMessage* nested;
using protobuf_unittest::repeated_nested_message_extension;
const FileDescriptor* descriptor;
const FieldDescriptor* desc;
const FieldDescriptor* nested_key;
descriptor = msg1.GetDescriptor()->file();
desc = descriptor->FindExtensionByName("repeated_nested_message_extension");
ASSERT_FALSE(desc == nullptr);
nested_key = desc->message_type()->FindFieldByName("bb");
MessageDifferencer differencer;
differencer.TreatAsMap(desc, nested_key);
nested = msg1.AddExtension(repeated_nested_message_extension);
nested->set_bb(7);
nested = msg1.AddExtension(repeated_nested_message_extension);
nested->set_bb(13);
nested = msg1.AddExtension(repeated_nested_message_extension);
nested->set_bb(11);
nested = msg2.AddExtension(repeated_nested_message_extension);
nested->set_bb(11);
nested = msg2.AddExtension(repeated_nested_message_extension);
nested->set_bb(13);
nested = msg2.AddExtension(repeated_nested_message_extension);
nested->set_bb(7);
EXPECT_EQ(
"matched: (protobuf_unittest.repeated_nested_message_extension)[0].bb ->"
" (protobuf_unittest.repeated_nested_message_extension)[2].bb : 7\n"
"moved: (protobuf_unittest.repeated_nested_message_extension)[0] ->"
" (protobuf_unittest.repeated_nested_message_extension)[2] :"
" { bb: 7 }\n"
"matched: (protobuf_unittest.repeated_nested_message_extension)[1].bb :"
" 13\n"
"matched: (protobuf_unittest.repeated_nested_message_extension)[1] :"
" { bb: 13 }\n"
"matched: (protobuf_unittest.repeated_nested_message_extension)[2].bb ->"
" (protobuf_unittest.repeated_nested_message_extension)[0].bb :"
" 11\n"
"moved: (protobuf_unittest.repeated_nested_message_extension)[2] ->"
" (protobuf_unittest.repeated_nested_message_extension)[0] :"
" { bb: 11 }\n",
RunWithResult(&differencer, msg1, msg2, true));
}
TEST(AnyTest, Simple) {
protobuf_unittest::TestField value1, value2;
value1.set_a(20);
value2.set_a(21);
protobuf_unittest::TestAny m1, m2;
m1.mutable_any_value()->PackFrom(value1);
m2.mutable_any_value()->PackFrom(value2);
util::MessageDifferencer message_differencer;
std::string difference_string;
message_differencer.ReportDifferencesToString(&difference_string);
EXPECT_FALSE(message_differencer.Compare(m1, m2));
EXPECT_EQ("modified: any_value.a: 20 -> 21\n", difference_string);
}
TEST(Anytest, TreatAsSet) {
protobuf_unittest::TestField value1, value2;
value1.set_a(20);
value1.set_b(30);
value2.set_a(20);
value2.set_b(31);
protobuf_unittest::TestAny m1, m2;
m1.add_repeated_any_value()->PackFrom(value1);
m1.add_repeated_any_value()->PackFrom(value2);
m2.add_repeated_any_value()->PackFrom(value2);
m2.add_repeated_any_value()->PackFrom(value1);
util::MessageDifferencer message_differencer;
message_differencer.TreatAsSet(GetFieldDescriptor(m1, "repeated_any_value"));
EXPECT_TRUE(message_differencer.Compare(m1, m2));
}
TEST(Anytest, TreatAsSet_DifferentType) {
protobuf_unittest::TestField value1;
value1.set_a(20);
value1.set_b(30);
protobuf_unittest::TestDiffMessage value2;
value2.add_rv(40);
protobuf_unittest::TestAny m1, m2;
m1.add_repeated_any_value()->PackFrom(value1);
m1.add_repeated_any_value()->PackFrom(value2);
m2.add_repeated_any_value()->PackFrom(value2);
m2.add_repeated_any_value()->PackFrom(value1);
util::MessageDifferencer message_differencer;
message_differencer.TreatAsSet(GetFieldDescriptor(m1, "repeated_any_value"));
EXPECT_TRUE(message_differencer.Compare(m1, m2));
}
} // namespace
} // namespace protobuf
} // namespace google
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