// 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.
// This test insures that
// csharp/src/Google.Protobuf/Reflection/Descriptor.cs match exactly
// what would be generated by the protocol compiler. The file is not
// generated automatically at build time.
//
// If this test fails, run the script
// "generate_descriptor_proto.sh" and add the changed files under
// csharp/src/ to your changelist.
#include <map>
#include <google/protobuf/compiler/csharp/csharp_generator.h>
#include <google/protobuf/compiler/importer.h>
#include <google/protobuf/descriptor.h>
#include <google/protobuf/io/zero_copy_stream_impl.h>
#include <google/protobuf/stubs/map_util.h>
#include <google/protobuf/stubs/stl_util.h>
#include <google/protobuf/stubs/strutil.h>
#include <google/protobuf/stubs/substitute.h>
#include <google/protobuf/testing/file.h>
#include <google/protobuf/testing/file.h>
#include <google/protobuf/testing/googletest.h>
#include <gtest/gtest.h>
namespace google {
namespace protobuf {
namespace compiler {
namespace csharp {
namespace {
class MockErrorCollector : public MultiFileErrorCollector {
public:
MockErrorCollector() {}
~MockErrorCollector() {}
std::string text_;
// implements ErrorCollector ---------------------------------------
void AddError(const std::string& filename, int line, int column,
const std::string& message) {
strings::SubstituteAndAppend(&text_, "$0:$1:$2: $3\n",
filename, line, column, message);
}
};
class MockGeneratorContext : public GeneratorContext {
public:
void ExpectFileMatches(const std::string& virtual_filename,
const std::string& physical_filename) {
auto it = files_.find(virtual_filename);
ASSERT_TRUE(it != files_.end())
<< "Generator failed to generate file: " << virtual_filename;
std::string expected_contents = *it->second;
std::string actual_contents;
GOOGLE_CHECK_OK(
File::GetContentsAsText(TestSourceDir() + "/" + physical_filename,
&actual_contents, true))
<< "Unable to get " << physical_filename;
EXPECT_TRUE(actual_contents == expected_contents)
<< physical_filename << " needs to be regenerated. Please run "
"generate_descriptor_proto.sh. Then add this file "
"to your CL.";
}
// implements GeneratorContext --------------------------------------
virtual io::ZeroCopyOutputStream* Open(const std::string& filename) {
auto& map_slot = files_[filename];
map_slot.reset(new std::string);
return new io::StringOutputStream(map_slot.get());
}
private:
std::map<std::string, std::unique_ptr<std::string>> files_;
};
class GenerateAndTest {
public:
GenerateAndTest() {}
void Run(const FileDescriptor* proto_file, std::string file1,
std::string file2) {
ASSERT_TRUE(proto_file != NULL) << TestSourceDir();
ASSERT_TRUE(generator_.Generate(proto_file, parameter_,
&context_, &error_));
context_.ExpectFileMatches(file1, file2);
}
void SetParameter(std::string parameter) {
parameter_ = parameter;
}
private:
Generator generator_;
MockGeneratorContext context_;
std::string error_;
std::string parameter_;
};
TEST(CsharpBootstrapTest, GeneratedCsharpDescriptorMatches) {
// Skip this whole test if the csharp directory doesn't exist (i.e., a C++11
// only distribution).
std::string descriptor_file_name =
"../csharp/src/Google.Protobuf/Reflection/Descriptor.cs";
if (!File::Exists(TestSourceDir() + "/" + descriptor_file_name)) {
return;
}
MockErrorCollector error_collector;
DiskSourceTree source_tree;
Importer importer(&source_tree, &error_collector);
GenerateAndTest generate_test;
generate_test.SetParameter("base_namespace=Google.Protobuf");
source_tree.MapPath("", TestSourceDir());
generate_test.Run(importer.Import("google/protobuf/descriptor.proto"),
"Reflection/Descriptor.cs",
"../csharp/src/Google.Protobuf/Reflection/Descriptor.cs");
generate_test.Run(importer.Import("google/protobuf/any.proto"),
"WellKnownTypes/Any.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/Any.cs");
generate_test.Run(importer.Import("google/protobuf/api.proto"),
"WellKnownTypes/Api.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/Api.cs");
generate_test.Run(importer.Import("google/protobuf/duration.proto"),
"WellKnownTypes/Duration.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/Duration.cs");
generate_test.Run(importer.Import("google/protobuf/empty.proto"),
"WellKnownTypes/Empty.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/Empty.cs");
generate_test.Run(importer.Import("google/protobuf/field_mask.proto"),
"WellKnownTypes/FieldMask.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/FieldMask.cs");
generate_test.Run(importer.Import("google/protobuf/source_context.proto"),
"WellKnownTypes/SourceContext.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/SourceContext.cs");
generate_test.Run(importer.Import("google/protobuf/struct.proto"),
"WellKnownTypes/Struct.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/Struct.cs");
generate_test.Run(importer.Import("google/protobuf/timestamp.proto"),
"WellKnownTypes/Timestamp.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/Timestamp.cs");
generate_test.Run(importer.Import("google/protobuf/type.proto"),
"WellKnownTypes/Type.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/Type.cs");
generate_test.Run(importer.Import("google/protobuf/wrappers.proto"),
"WellKnownTypes/Wrappers.cs",
"../csharp/src/Google.Protobuf/WellKnownTypes/Wrappers.cs");
generate_test.SetParameter("");
source_tree.MapPath("", TestSourceDir() + "/../conformance");
generate_test.Run(importer.Import("conformance.proto"),
"Conformance.cs",
"../csharp/src/Google.Protobuf.Conformance/Conformance.cs");
EXPECT_EQ("", error_collector.text_);
}
} // namespace
} // namespace csharp
} // namespace compiler
} // namespace protobuf
} // namespace google
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