# Copyright 2014 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/buildflag_header.gni")
import("//build/config/cast.gni")
import("//mojo/public/tools/bindings/mojom.gni")
import("//testing/libfuzzer/fuzzer_test.gni")
import("//testing/test.gni")
import("//third_party/libprotobuf-mutator/fuzzable_proto_library.gni")
mojom("variations_mojom") {
sources = [ "variations.mojom" ]
}
if (is_android) {
import("//build/config/android/rules.gni")
}
large_variation_key_size_enabled =
is_castos || is_cast_android || is_chromeos_lacros
buildflag_header("buildflags") {
header = "buildflags.h"
flags = [ "LARGE_VARIATION_KEY_SIZE=$large_variation_key_size_enabled" ]
}
component("variations_features") {
output_name = "variations_features"
defines = [ "IS_VARIATIONS_FEATURES_IMPL" ]
sources = [
"variations_features.cc",
"variations_features.h",
]
deps = [ "//base" ]
}
component("variations") {
sources = [
"active_field_trials.cc",
"active_field_trials.h",
"child_process_field_trial_syncer.cc",
"child_process_field_trial_syncer.h",
"client_filterable_state.cc",
"client_filterable_state.h",
"entropy_provider.cc",
"entropy_provider.h",
"fake_crash.cc",
"fake_crash.h",
"field_trial_internals_utils.cc",
"field_trial_internals_utils.h",
"hashing.cc",
"hashing.h",
"limited_entropy_mode_gate.cc",
"limited_entropy_mode_gate.h",
"metrics.cc",
"metrics.h",
"platform_field_trials.h",
"pref_names.cc",
"pref_names.h",
"processed_study.cc",
"processed_study.h",
"seed_response.cc",
"seed_response.h",
"study_filtering.cc",
"study_filtering.h",
"synthetic_trial_registry.cc",
"synthetic_trial_registry.h",
"synthetic_trials.cc",
"synthetic_trials.h",
"synthetic_trials_active_group_id_provider.cc",
"synthetic_trials_active_group_id_provider.h",
"variations_associated_data.cc",
"variations_associated_data.h",
"variations_client.h",
"variations_crash_keys.cc",
"variations_crash_keys.h",
"variations_ids_provider.cc",
"variations_ids_provider.h",
"variations_layers.cc",
"variations_layers.h",
"variations_murmur_hash.cc",
"variations_murmur_hash.h",
"variations_request_scheduler.cc",
"variations_request_scheduler.h",
"variations_safe_seed_store.h",
"variations_safe_seed_store_local_state.cc",
"variations_safe_seed_store_local_state.h",
"variations_seed_processor.cc",
"variations_seed_processor.h",
"variations_seed_simulator.cc",
"variations_seed_simulator.h",
"variations_seed_store.cc",
"variations_seed_store.h",
"variations_switches.cc",
"variations_switches.h",
"variations_url_constants.cc",
"variations_url_constants.h",
]
# Needed for exporting functions (because the target type is a component).
defines = [ "IS_VARIATIONS_IMPL" ]
if (is_android || is_ios) {
sources += [
"variations_request_scheduler_mobile.cc",
"variations_request_scheduler_mobile.h",
]
}
if (is_android) {
sources += [
"android/variations_associated_data_android.cc",
"android/variations_seed_bridge.cc",
"android/variations_seed_bridge.h",
]
}
if (is_chromeos_ash || is_chromeos_lacros) {
sources += [
"variations_crash_keys_chromeos.cc",
"variations_crash_keys_chromeos.h",
]
}
public_deps = [
":variations_features",
"proto",
"//base",
]
deps = [
":buildflags",
":variations_mojom",
"proto",
"//build:chromeos_buildflags",
"//components/crash/core/common:crash_key",
"//components/prefs",
"//components/version_info",
"//crypto",
"//third_party/protobuf:protobuf_lite",
"//third_party/zlib/google:compression_utils",
]
if (is_android) {
deps += [ "//components/variations/android:variations_jni" ]
}
if (is_chromeos_ash) {
deps += [
"//chromeos/ash/components/dbus/featured",
"//chromeos/ash/components/dbus/featured:proto",
]
}
}
if (is_android) {
java_cpp_strings("java_switches_srcjar") {
# External code should depend on ":variations_java" instead.
visibility = [ ":*" ]
sources = [ "variations_switches.cc" ]
template = "//components/variations/android/java_templates/VariationsSwitches.java.tmpl"
}
android_library("variations_java") {
srcjar_deps = [
":java_switches_srcjar",
":variations_enum_srcjar",
]
deps = [ "//third_party/androidx:androidx_annotation_annotation_java" ]
}
java_cpp_enum("variations_enum_srcjar") {
# External code should depend on ":variations_java" instead.
visibility = [ ":*" ]
sources = [
"metrics.h",
"synthetic_trials.h",
]
}
}
static_library("test_support") {
testonly = true
sources = [
"scoped_variations_ids_provider.cc",
"scoped_variations_ids_provider.h",
"service/test_variations_service.cc",
"service/test_variations_service.h",
"variations_params_manager.cc",
"variations_params_manager.h",
"variations_test_utils.cc",
"variations_test_utils.h",
]
public_deps = [
":variations",
":variations_mojom",
]
deps = [
"field_trial_config:field_trial_config",
"proto",
"//base/test:test_support",
"//components/metrics",
"//components/prefs:prefs",
"//components/variations/service",
"//components/web_resource:test_support",
"//services/network:test_support",
"//services/network/public/cpp:cpp",
"//third_party/zlib/google:compression_utils",
]
}
source_set("unit_tests") {
testonly = true
sources = [
"active_field_trials_unittest.cc",
"antishuffle_unittest.cc",
"child_process_field_trial_syncer_unittest.cc",
"client_filterable_state_unittest.cc",
"entropy_provider_unittest.cc",
"field_trial_internals_utils_unittest.cc",
"hashing_unittest.cc",
"net/variations_command_line_unittest.cc",
"net/variations_http_headers_unittest.cc",
"processed_study_unittest.cc",
"simulate_for_crosstalk_unittest.cc",
"study_filtering_unittest.cc",
"synthetic_trial_registry_unittest.cc",
"uniformity_unittest.cc",
"variations_associated_data_unittest.cc",
"variations_ids_provider_unittest.cc",
"variations_layers_unittest.cc",
"variations_murmur_hash_unittest.cc",
"variations_request_scheduler_unittest.cc",
"variations_seed_processor_unittest.cc",
"variations_seed_simulator_unittest.cc",
"variations_seed_store_unittest.cc",
"variations_test_utils_unittest.cc",
]
if (is_android || is_ios) {
sources += [ "variations_request_scheduler_mobile_unittest.cc" ]
}
if (is_chromeos_ash) {
sources += [ "variations_crash_keys_chromeos_unittest.cc" ]
}
# This test uses crash_reporter::GetCrashKeyValue(), which in a component
# build returns the crash keys in the unit-test, not the "variations"
# target. The test verifies the keys in the "variations" target, not the
# test. As such, it fails in component builds.
# TODO(crbug.com/40172607): Enable this unittest for is_fuchsia when crash keys
# are supported on Fuchsia.
if (!is_component_build && !is_fuchsia) {
sources += [ "variations_crash_keys_unittest.cc" ]
}
deps = [
":test_support",
":variations",
":variations_features",
":variations_mojom",
"net",
"proto",
"//base/test:test_support",
"//components/crash/core/common:crash_key",
"//components/prefs:test_support",
"//components/variations/field_trial_config:field_trial_config",
"//services/network/public/cpp:cpp_base",
"//testing/gmock",
"//testing/gtest",
"//third_party/smhasher:murmurhash3",
"//third_party/zlib/google:compression_utils",
"//url",
]
if (is_chromeos_ash) {
deps += [
"//chromeos/ash/components/dbus/featured",
"//chromeos/ash/components/dbus/featured:proto",
]
}
}
# Convenience testing target
test("variations_unittests") {
sources = [ "//components/test/run_all_unittests.cc" ]
deps = [
":unit_tests",
"//components/test:test_support",
"//components/variations/field_trial_config:unit_tests",
"//components/variations/service:unit_tests",
]
}
if (use_fuzzing_engine_with_lpm) {
fuzzable_proto_library("test_cases_proto") {
sources = [ "fuzzers/create_trials_from_seed_test_case.proto" ]
import_dirs = [ "//components/variations/proto" ]
proto_deps = [ "//components/variations/proto" ]
link_deps = [ "//components/variations/proto" ]
}
fuzzer_test("create_trial_from_study_fuzzer") {
sources = [ "fuzzers/create_trial_from_study_fuzzer.cc" ]
deps = [
":variations",
"proto",
"//base/test:test_support",
"//third_party/libprotobuf-mutator",
]
}
fuzzer_test("create_trials_from_seed_fuzzer") {
sources = [ "fuzzers/create_trials_from_seed_fuzzer.cc" ]
deps = [
":test_support",
":variations",
"proto",
"//base/test:test_support",
"//third_party/libprotobuf-mutator",
]
}
fuzzer_test("create_trials_from_seed_fuzzer_v2") {
sources = [ "fuzzers/create_trials_from_seed_fuzzer_v2.cc" ]
deps = [
":test_cases_proto",
":test_support",
":variations",
"proto",
"//base/test:test_support",
"//third_party/libprotobuf-mutator",
]
seed_corpus = "fuzzers/testcases/create_trials_from_seed/"
}
}
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