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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:13:27 +0000 |
commit | 40a355a42d4a9444dc753c04c6608dade2f06a23 (patch) | |
tree | 871fc667d2de662f171103ce5ec067014ef85e61 /third_party/libwebrtc/api/environment/environment_unittest.cc | |
parent | Adding upstream version 124.0.1. (diff) | |
download | firefox-40a355a42d4a9444dc753c04c6608dade2f06a23.tar.xz firefox-40a355a42d4a9444dc753c04c6608dade2f06a23.zip |
Adding upstream version 125.0.1.upstream/125.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/api/environment/environment_unittest.cc')
-rw-r--r-- | third_party/libwebrtc/api/environment/environment_unittest.cc | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/environment/environment_unittest.cc b/third_party/libwebrtc/api/environment/environment_unittest.cc new file mode 100644 index 0000000000..07bd8793bc --- /dev/null +++ b/third_party/libwebrtc/api/environment/environment_unittest.cc @@ -0,0 +1,275 @@ +/* + * Copyright (c) 2023 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "api/environment/environment.h" + +#include <memory> +#include <string> +#include <utility> +#include <vector> + +#include "absl/functional/any_invocable.h" +#include "absl/types/optional.h" +#include "api/environment/environment_factory.h" +#include "api/field_trials_view.h" +#include "api/rtc_event_log/rtc_event_log.h" +#include "api/task_queue/task_queue_factory.h" +#include "api/units/timestamp.h" +#include "system_wrappers/include/clock.h" +#include "test/gmock.h" +#include "test/gtest.h" + +namespace webrtc { +namespace { + +using ::testing::ElementsAre; +using ::testing::IsEmpty; +using ::testing::Not; +using ::testing::NotNull; +using ::testing::Ref; + +class FakeEvent : public RtcEvent { + public: + Type GetType() const override { return RtcEvent::Type::FakeEvent; } + bool IsConfigEvent() const override { return false; } +}; + +class FakeFieldTrials : public FieldTrialsView { + public: + explicit FakeFieldTrials(absl::AnyInvocable<void() &&> on_destroyed = nullptr) + : on_destroyed_(std::move(on_destroyed)) {} + ~FakeFieldTrials() override { + if (on_destroyed_ != nullptr) { + std::move(on_destroyed_)(); + } + } + + std::string Lookup(absl::string_view key) const override { return "fake"; } + + private: + absl::AnyInvocable<void() &&> on_destroyed_; +}; + +class FakeTaskQueueFactory : public TaskQueueFactory { + public: + explicit FakeTaskQueueFactory( + absl::AnyInvocable<void() &&> on_destroyed = nullptr) + : on_destroyed_(std::move(on_destroyed)) {} + ~FakeTaskQueueFactory() override { + if (on_destroyed_ != nullptr) { + std::move(on_destroyed_)(); + } + } + + std::unique_ptr<TaskQueueBase, TaskQueueDeleter> CreateTaskQueue( + absl::string_view name, + Priority priority) const override { + return nullptr; + } + + private: + absl::AnyInvocable<void() &&> on_destroyed_; +}; + +TEST(EnvironmentTest, DefaultEnvironmentHasAllUtilities) { + Environment env = EnvironmentFactory().Create(); + + // Try to use each utility, expect no crashes. + env.clock().CurrentTime(); + EXPECT_THAT(env.task_queue_factory().CreateTaskQueue( + "test", TaskQueueFactory::Priority::NORMAL), + NotNull()); + env.event_log().Log(std::make_unique<FakeEvent>()); + env.field_trials().Lookup("WebRTC-Debugging-RtpDump"); +} + +TEST(EnvironmentTest, UsesProvidedUtilitiesWithOwnership) { + auto owned_field_trials = std::make_unique<FakeFieldTrials>(); + auto owned_task_queue_factory = std::make_unique<FakeTaskQueueFactory>(); + auto owned_clock = std::make_unique<SimulatedClock>(Timestamp::Zero()); + auto owned_event_log = std::make_unique<RtcEventLogNull>(); + + FieldTrialsView& field_trials = *owned_field_trials; + TaskQueueFactory& task_queue_factory = *owned_task_queue_factory; + Clock& clock = *owned_clock; + RtcEventLog& event_log = *owned_event_log; + + Environment env = CreateEnvironment( + std::move(owned_field_trials), std::move(owned_clock), + std::move(owned_task_queue_factory), std::move(owned_event_log)); + + EXPECT_THAT(env.field_trials(), Ref(field_trials)); + EXPECT_THAT(env.task_queue_factory(), Ref(task_queue_factory)); + EXPECT_THAT(env.clock(), Ref(clock)); + EXPECT_THAT(env.event_log(), Ref(event_log)); +} + +TEST(EnvironmentTest, UsesProvidedUtilitiesWithoutOwnership) { + FakeFieldTrials field_trials; + FakeTaskQueueFactory task_queue_factory; + SimulatedClock clock(Timestamp::Zero()); + RtcEventLogNull event_log; + + Environment env = + CreateEnvironment(&field_trials, &clock, &task_queue_factory, &event_log); + + EXPECT_THAT(env.field_trials(), Ref(field_trials)); + EXPECT_THAT(env.task_queue_factory(), Ref(task_queue_factory)); + EXPECT_THAT(env.clock(), Ref(clock)); + EXPECT_THAT(env.event_log(), Ref(event_log)); +} + +TEST(EnvironmentTest, UsesLastProvidedUtility) { + auto owned_field_trials1 = std::make_unique<FakeFieldTrials>(); + auto owned_field_trials2 = std::make_unique<FakeFieldTrials>(); + FieldTrialsView& field_trials2 = *owned_field_trials2; + + Environment env = CreateEnvironment(std::move(owned_field_trials1), + std::move(owned_field_trials2)); + + EXPECT_THAT(env.field_trials(), Ref(field_trials2)); +} + +// Utilities can be provided from different sources, and when some source +// choose not to provide an utility, it is usually expressed with nullptr. +// When utility is not provided, it is natural to use previously set one. +// E.g. Both PeerConnectionFactoryDependencies and PeerConnectionDependencies +// provide field trials. When PeerConnectionDependencies::trials == nullptr, +// then trials from the PeerConnectionFactoryDependencies should be used. +// With nullptr accepted and ignored this can be expressed by +// `Environemt env = CreateEnvironment(pcf_deps.trials, pc_deps.trials);` +// That would use pc_deps.trials when not nullptr, pcf_deps.trials when +// pc_deps.trials is nullptr, but pcf_deps.trials is not, and default field +// trials when both are nullptr. +TEST(EnvironmentTest, IgnoresProvidedNullptrUtility) { + auto owned_field_trials = std::make_unique<FakeFieldTrials>(); + std::unique_ptr<FieldTrialsView> null_field_trials = nullptr; + FieldTrialsView& field_trials = *owned_field_trials; + + Environment env = CreateEnvironment(std::move(owned_field_trials), + std::move(null_field_trials)); + + EXPECT_THAT(env.field_trials(), Ref(field_trials)); +} + +TEST(EnvironmentTest, KeepsUtilityAliveWhileEnvironmentIsAlive) { + bool utility_destroyed = false; + auto field_trials = std::make_unique<FakeFieldTrials>( + /*on_destroyed=*/[&] { utility_destroyed = true; }); + + // Wrap Environment into optional to have explicit control when it is deleted. + absl::optional<Environment> env = CreateEnvironment(std::move(field_trials)); + + EXPECT_FALSE(utility_destroyed); + env = absl::nullopt; + EXPECT_TRUE(utility_destroyed); +} + +TEST(EnvironmentTest, KeepsUtilityAliveWhileCopyOfEnvironmentIsAlive) { + bool utility_destroyed = false; + auto field_trials = std::make_unique<FakeFieldTrials>( + /*on_destroyed=*/[&] { utility_destroyed = true; }); + + absl::optional<Environment> env1 = CreateEnvironment(std::move(field_trials)); + absl::optional<Environment> env2 = env1; + + EXPECT_FALSE(utility_destroyed); + env1 = absl::nullopt; + EXPECT_FALSE(utility_destroyed); + env2 = absl::nullopt; + EXPECT_TRUE(utility_destroyed); +} + +TEST(EnvironmentTest, FactoryCanBeReusedToCreateDifferentEnvironments) { + auto owned_task_queue_factory = std::make_unique<FakeTaskQueueFactory>(); + auto owned_field_trials1 = std::make_unique<FakeFieldTrials>(); + auto owned_field_trials2 = std::make_unique<FakeFieldTrials>(); + TaskQueueFactory& task_queue_factory = *owned_task_queue_factory; + FieldTrialsView& field_trials1 = *owned_field_trials1; + FieldTrialsView& field_trials2 = *owned_field_trials2; + + EnvironmentFactory factory; + factory.Set(std::move(owned_task_queue_factory)); + factory.Set(std::move(owned_field_trials1)); + Environment env1 = factory.Create(); + factory.Set(std::move(owned_field_trials2)); + Environment env2 = factory.Create(); + + // Environments share the same custom task queue factory. + EXPECT_THAT(env1.task_queue_factory(), Ref(task_queue_factory)); + EXPECT_THAT(env2.task_queue_factory(), Ref(task_queue_factory)); + + // Environments have different field trials. + EXPECT_THAT(env1.field_trials(), Ref(field_trials1)); + EXPECT_THAT(env2.field_trials(), Ref(field_trials2)); +} + +TEST(EnvironmentTest, FactoryCanCreateNewEnvironmentFromExistingOne) { + Environment env1 = + CreateEnvironment(std::make_unique<FakeTaskQueueFactory>()); + EnvironmentFactory factory(env1); + factory.Set(std::make_unique<FakeFieldTrials>()); + Environment env2 = factory.Create(); + + // Environments share the same default clock. + EXPECT_THAT(env2.clock(), Ref(env1.clock())); + + // Environments share the same custom task queue factory. + EXPECT_THAT(env2.task_queue_factory(), Ref(env1.task_queue_factory())); + + // Environments have different field trials. + EXPECT_THAT(env2.field_trials(), Not(Ref(env1.field_trials()))); +} + +TEST(EnvironmentTest, KeepsOwnershipsWhenCreateNewEnvironmentFromExistingOne) { + bool utility1_destroyed = false; + bool utility2_destroyed = false; + absl::optional<Environment> env1 = + CreateEnvironment(std::make_unique<FakeTaskQueueFactory>( + /*on_destroyed=*/[&] { utility1_destroyed = true; })); + + absl::optional<EnvironmentFactory> factory = EnvironmentFactory(*env1); + + // Destroy env1, check utility1 it was using is still alive. + env1 = absl::nullopt; + EXPECT_FALSE(utility1_destroyed); + + factory->Set(std::make_unique<FakeFieldTrials>( + /*on_destroyed=*/[&] { utility2_destroyed = true; })); + absl::optional<Environment> env2 = factory->Create(); + + // Destroy the factory, check all utilities used by env2 are alive. + factory = absl::nullopt; + EXPECT_FALSE(utility1_destroyed); + EXPECT_FALSE(utility2_destroyed); + + // Once last Environment object is deleted, utilties should be deleted too. + env2 = absl::nullopt; + EXPECT_TRUE(utility1_destroyed); + EXPECT_TRUE(utility2_destroyed); +} + +TEST(EnvironmentTest, DestroysUtilitiesInReverseProvidedOrder) { + std::vector<std::string> destroyed; + auto field_trials = std::make_unique<FakeFieldTrials>( + /*on_destroyed=*/[&] { destroyed.push_back("field_trials"); }); + auto task_queue_factory = std::make_unique<FakeTaskQueueFactory>( + /*on_destroyed=*/[&] { destroyed.push_back("task_queue_factory"); }); + + absl::optional<Environment> env = + CreateEnvironment(std::move(field_trials), std::move(task_queue_factory)); + + ASSERT_THAT(destroyed, IsEmpty()); + env = absl::nullopt; + EXPECT_THAT(destroyed, ElementsAre("task_queue_factory", "field_trials")); +} + +} // namespace +} // namespace webrtc |