Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2022 The WebRTC Project Authors. All rights reserved. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license |
| 5 | * that can be found in the LICENSE file in the root of the source |
| 6 | * tree. An additional intellectual property rights grant can be found |
| 7 | * in the file PATENTS. All contributing project authors may |
| 8 | * be found in the AUTHORS file in the root of the source tree. |
| 9 | */ |
| 10 | |
| 11 | #include "api/field_trials.h" |
| 12 | |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 13 | #include <memory> |
| 14 | |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 15 | #include "api/transport/field_trial_based_config.h" |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 16 | #include "rtc_base/containers/flat_set.h" |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 17 | #include "system_wrappers/include/field_trial.h" |
Emil Lundmark | 2e3069b | 2022-12-01 15:20:37 | [diff] [blame] | 18 | #include "test/field_trial.h" |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 19 | #include "test/gmock.h" |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 20 | #include "test/gtest.h" |
| 21 | |
| 22 | #if GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) |
| 23 | #include "test/testsupport/rtc_expect_death.h" |
| 24 | #endif // GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) |
| 25 | |
| 26 | namespace webrtc { |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 27 | namespace { |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 28 | |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 29 | using ::testing::NotNull; |
Emil Lundmark | 2d7a3e7 | 2022-11-25 09:19:12 | [diff] [blame] | 30 | using ::webrtc::field_trial::FieldTrialsAllowedInScopeForTesting; |
Emil Lundmark | 2e3069b | 2022-12-01 15:20:37 | [diff] [blame] | 31 | using ::webrtc::test::ScopedFieldTrials; |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 32 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 33 | TEST(FieldTrialsTest, EmptyStringHasNoEffect) { |
Emil Lundmark | 2d7a3e7 | 2022-11-25 09:19:12 | [diff] [blame] | 34 | FieldTrialsAllowedInScopeForTesting k({"MyCoolTrial"}); |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 35 | FieldTrials f(""); |
Emil Lundmark | 1c8103d | 2022-09-21 13:20:22 | [diff] [blame] | 36 | f.RegisterKeysForTesting({"MyCoolTrial"}); |
| 37 | |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 38 | EXPECT_FALSE(f.IsEnabled("MyCoolTrial")); |
| 39 | EXPECT_FALSE(f.IsDisabled("MyCoolTrial")); |
| 40 | } |
| 41 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 42 | TEST(FieldTrialsTest, EnabledDisabledMustBeFirstInValue) { |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 43 | FieldTrials f( |
| 44 | "MyCoolTrial/EnabledFoo/" |
| 45 | "MyUncoolTrial/DisabledBar/" |
| 46 | "AnotherTrial/BazEnabled/"); |
Emil Lundmark | 1c8103d | 2022-09-21 13:20:22 | [diff] [blame] | 47 | f.RegisterKeysForTesting({"MyCoolTrial", "MyUncoolTrial", "AnotherTrial"}); |
| 48 | |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 49 | EXPECT_TRUE(f.IsEnabled("MyCoolTrial")); |
| 50 | EXPECT_TRUE(f.IsDisabled("MyUncoolTrial")); |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 51 | EXPECT_FALSE(f.IsEnabled("AnotherTrial")); |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 52 | } |
| 53 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 54 | TEST(FieldTrialsTest, FieldTrialsDoesNotReadGlobalString) { |
Emil Lundmark | 2d7a3e7 | 2022-11-25 09:19:12 | [diff] [blame] | 55 | FieldTrialsAllowedInScopeForTesting k({"MyCoolTrial", "MyUncoolTrial"}); |
Emil Lundmark | 2e3069b | 2022-12-01 15:20:37 | [diff] [blame] | 56 | ScopedFieldTrials g("MyCoolTrial/Enabled/MyUncoolTrial/Disabled/"); |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 57 | FieldTrials f(""); |
Emil Lundmark | 1c8103d | 2022-09-21 13:20:22 | [diff] [blame] | 58 | f.RegisterKeysForTesting({"MyCoolTrial", "MyUncoolTrial"}); |
| 59 | |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 60 | EXPECT_FALSE(f.IsEnabled("MyCoolTrial")); |
| 61 | EXPECT_FALSE(f.IsDisabled("MyUncoolTrial")); |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 62 | } |
| 63 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 64 | TEST(FieldTrialsTest, FieldTrialsWritesGlobalString) { |
Emil Lundmark | 2d7a3e7 | 2022-11-25 09:19:12 | [diff] [blame] | 65 | FieldTrialsAllowedInScopeForTesting k({"MyCoolTrial", "MyUncoolTrial"}); |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 66 | FieldTrials f("MyCoolTrial/Enabled/MyUncoolTrial/Disabled/"); |
| 67 | EXPECT_TRUE(webrtc::field_trial::IsEnabled("MyCoolTrial")); |
| 68 | EXPECT_TRUE(webrtc::field_trial::IsDisabled("MyUncoolTrial")); |
| 69 | } |
| 70 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 71 | TEST(FieldTrialsTest, FieldTrialsRestoresGlobalStringAfterDestruction) { |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 72 | static constexpr char s[] = "SomeString/Enabled/"; |
Emil Lundmark | 2e3069b | 2022-12-01 15:20:37 | [diff] [blame] | 73 | ScopedFieldTrials g(s); |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 74 | { |
| 75 | FieldTrials f("SomeOtherString/Enabled/"); |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 76 | EXPECT_STREQ(webrtc::field_trial::GetFieldTrialString(), |
| 77 | "SomeOtherString/Enabled/"); |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 78 | } |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 79 | EXPECT_STREQ(webrtc::field_trial::GetFieldTrialString(), s); |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 80 | } |
| 81 | |
| 82 | #if GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 83 | TEST(FieldTrialsTest, FieldTrialsDoesNotSupportSimultaneousInstances) { |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 84 | FieldTrials f("SomeString/Enabled/"); |
| 85 | RTC_EXPECT_DEATH(FieldTrials("SomeOtherString/Enabled/").Lookup("Whatever"), |
| 86 | "Only one instance"); |
| 87 | } |
| 88 | #endif // GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID) |
| 89 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 90 | TEST(FieldTrialsTest, FieldTrialsSupportsSeparateInstances) { |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 91 | { FieldTrials f("SomeString/Enabled/"); } |
| 92 | { FieldTrials f("SomeOtherString/Enabled/"); } |
| 93 | } |
| 94 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 95 | TEST(FieldTrialsTest, NonGlobalFieldTrialsInstanceDoesNotModifyGlobalString) { |
Emil Lundmark | 2d7a3e7 | 2022-11-25 09:19:12 | [diff] [blame] | 96 | FieldTrialsAllowedInScopeForTesting k({"SomeString"}); |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 97 | std::unique_ptr<FieldTrials> f = |
| 98 | FieldTrials::CreateNoGlobal("SomeString/Enabled/"); |
| 99 | ASSERT_THAT(f, NotNull()); |
Emil Lundmark | 1c8103d | 2022-09-21 13:20:22 | [diff] [blame] | 100 | f->RegisterKeysForTesting({"SomeString"}); |
| 101 | |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 102 | EXPECT_TRUE(f->IsEnabled("SomeString")); |
| 103 | EXPECT_FALSE(webrtc::field_trial::IsEnabled("SomeString")); |
Jonas Oreland | f096e74 | 2022-05-31 09:15:19 | [diff] [blame] | 104 | } |
| 105 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 106 | TEST(FieldTrialsTest, NonGlobalFieldTrialsSupportSimultaneousInstances) { |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 107 | std::unique_ptr<FieldTrials> f1 = |
| 108 | FieldTrials::CreateNoGlobal("SomeString/Enabled/"); |
| 109 | std::unique_ptr<FieldTrials> f2 = |
| 110 | FieldTrials::CreateNoGlobal("SomeOtherString/Enabled/"); |
| 111 | ASSERT_THAT(f1, NotNull()); |
| 112 | ASSERT_THAT(f2, NotNull()); |
Emil Lundmark | 1c8103d | 2022-09-21 13:20:22 | [diff] [blame] | 113 | f1->RegisterKeysForTesting({"SomeString", "SomeOtherString"}); |
| 114 | f2->RegisterKeysForTesting({"SomeString", "SomeOtherString"}); |
Jonas Oreland | f096e74 | 2022-05-31 09:15:19 | [diff] [blame] | 115 | |
| 116 | EXPECT_TRUE(f1->IsEnabled("SomeString")); |
| 117 | EXPECT_FALSE(f1->IsEnabled("SomeOtherString")); |
| 118 | |
| 119 | EXPECT_FALSE(f2->IsEnabled("SomeString")); |
| 120 | EXPECT_TRUE(f2->IsEnabled("SomeOtherString")); |
| 121 | } |
| 122 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 123 | TEST(FieldTrialsTest, GlobalAndNonGlobalFieldTrialsAreDisjoint) { |
Emil Lundmark | 2d7a3e7 | 2022-11-25 09:19:12 | [diff] [blame] | 124 | FieldTrialsAllowedInScopeForTesting k({"SomeString", "SomeOtherString"}); |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 125 | FieldTrials f1("SomeString/Enabled/"); |
| 126 | std::unique_ptr<FieldTrials> f2 = |
| 127 | FieldTrials::CreateNoGlobal("SomeOtherString/Enabled/"); |
| 128 | ASSERT_THAT(f2, NotNull()); |
Emil Lundmark | 1c8103d | 2022-09-21 13:20:22 | [diff] [blame] | 129 | f1.RegisterKeysForTesting({"SomeString", "SomeOtherString"}); |
| 130 | f2->RegisterKeysForTesting({"SomeString", "SomeOtherString"}); |
Jonas Oreland | f096e74 | 2022-05-31 09:15:19 | [diff] [blame] | 131 | |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 132 | EXPECT_TRUE(f1.IsEnabled("SomeString")); |
| 133 | EXPECT_FALSE(f1.IsEnabled("SomeOtherString")); |
Jonas Oreland | f096e74 | 2022-05-31 09:15:19 | [diff] [blame] | 134 | |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 135 | EXPECT_FALSE(f2->IsEnabled("SomeString")); |
| 136 | EXPECT_TRUE(f2->IsEnabled("SomeOtherString")); |
Jonas Oreland | f096e74 | 2022-05-31 09:15:19 | [diff] [blame] | 137 | } |
| 138 | |
Emil Lundmark | 6bf20cc | 2022-09-21 13:20:22 | [diff] [blame] | 139 | TEST(FieldTrialsTest, FieldTrialBasedConfigReadsGlobalString) { |
Emil Lundmark | 2d7a3e7 | 2022-11-25 09:19:12 | [diff] [blame] | 140 | FieldTrialsAllowedInScopeForTesting k({"MyCoolTrial", "MyUncoolTrial"}); |
Emil Lundmark | 2e3069b | 2022-12-01 15:20:37 | [diff] [blame] | 141 | ScopedFieldTrials g("MyCoolTrial/Enabled/MyUncoolTrial/Disabled/"); |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 142 | FieldTrialBasedConfig f; |
Emil Lundmark | 1c8103d | 2022-09-21 13:20:22 | [diff] [blame] | 143 | f.RegisterKeysForTesting({"MyCoolTrial", "MyUncoolTrial"}); |
| 144 | |
Emil Lundmark | 5fbe42a | 2022-06-30 14:50:55 | [diff] [blame] | 145 | EXPECT_TRUE(f.IsEnabled("MyCoolTrial")); |
| 146 | EXPECT_TRUE(f.IsDisabled("MyUncoolTrial")); |
| 147 | } |
| 148 | |
| 149 | } // namespace |
Jonas Oreland | 128c4dc | 2022-03-30 05:57:48 | [diff] [blame] | 150 | } // namespace webrtc |