| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/previews/previews_service.h" |
| |
| #include <initializer_list> |
| #include <map> |
| #include <memory> |
| #include <string> |
| |
| #include "base/files/file_path.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/metrics/field_trial_params.h" |
| #include "base/run_loop.h" |
| #include "base/single_thread_task_runner.h" |
| #include "base/test/scoped_feature_list.h" |
| #include "components/data_reduction_proxy/core/common/data_reduction_proxy_features.h" |
| #include "components/previews/content/previews_io_data.h" |
| #include "components/previews/content/previews_optimization_guide.h" |
| #include "components/previews/content/previews_ui_service.h" |
| #include "components/previews/core/previews_features.h" |
| #include "components/variations/variations_associated_data.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/test/test_browser_thread_bundle.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace { |
| |
| // This test class intercepts the |is_enabled_callback| and is used to test its |
| // validity. |
| class TestPreviewsIOData : public previews::PreviewsIOData { |
| public: |
| TestPreviewsIOData() |
| : previews::PreviewsIOData(content::BrowserThread::GetTaskRunnerForThread( |
| content::BrowserThread::UI), |
| content::BrowserThread::GetTaskRunnerForThread( |
| content::BrowserThread::UI)) {} |
| ~TestPreviewsIOData() override {} |
| |
| void Initialize( |
| base::WeakPtr<previews::PreviewsUIService> previews_ui_service, |
| std::unique_ptr<previews::PreviewsOptOutStore> previews_opt_out_store, |
| std::unique_ptr<previews::PreviewsOptimizationGuide> previews_opt_guide, |
| const previews::PreviewsIsEnabledCallback& is_enabled_callback) override { |
| enabled_callback_ = is_enabled_callback; |
| } |
| |
| bool IsPreviewEnabled(previews::PreviewsType type) { |
| return enabled_callback_.Run(type); |
| } |
| |
| private: |
| previews::PreviewsIsEnabledCallback enabled_callback_; |
| }; |
| |
| // Class to test the validity of the callback passed to PreviewsIOData from |
| // PreviewsService. |
| class PreviewsServiceTest : public testing::Test { |
| public: |
| PreviewsServiceTest() |
| |
| : field_trial_list_(nullptr), scoped_feature_list_() {} |
| |
| void SetUp() override { |
| io_data_ = base::MakeUnique<TestPreviewsIOData>(); |
| |
| service_ = base::MakeUnique<PreviewsService>(); |
| base::FilePath file_path; |
| service_->Initialize(io_data_.get(), |
| nullptr /* optimization_guide_service */, |
| content::BrowserThread::GetTaskRunnerForThread( |
| content::BrowserThread::UI), |
| file_path); |
| scoped_feature_list_.InitAndDisableFeature( |
| data_reduction_proxy::features::kDataReductionProxyDecidesTransform); |
| } |
| |
| void TearDown() override { variations::testing::ClearAllVariationParams(); } |
| |
| ~PreviewsServiceTest() override {} |
| |
| TestPreviewsIOData* io_data() const { return io_data_.get(); } |
| |
| private: |
| content::TestBrowserThreadBundle threads_; |
| base::FieldTrialList field_trial_list_; |
| std::unique_ptr<TestPreviewsIOData> io_data_; |
| std::unique_ptr<PreviewsService> service_; |
| base::test::ScopedFeatureList scoped_feature_list_; |
| }; |
| |
| } // namespace |
| |
| TEST_F(PreviewsServiceTest, TestOfflineFieldTrialNotSet) { |
| EXPECT_TRUE(io_data()->IsPreviewEnabled(previews::PreviewsType::OFFLINE)); |
| } |
| |
| TEST_F(PreviewsServiceTest, TestOfflineFeatureDisabled) { |
| std::unique_ptr<base::FeatureList> feature_list = |
| base::MakeUnique<base::FeatureList>(); |
| |
| // The feature is explicitly enabled on the command-line. |
| feature_list->InitializeFromCommandLine("", "OfflinePreviews"); |
| base::FeatureList::ClearInstanceForTesting(); |
| base::FeatureList::SetInstance(std::move(feature_list)); |
| |
| EXPECT_FALSE(io_data()->IsPreviewEnabled(previews::PreviewsType::OFFLINE)); |
| base::FeatureList::ClearInstanceForTesting(); |
| } |
| |
| TEST_F(PreviewsServiceTest, TestClientLoFiFieldTrialEnabled) { |
| base::FieldTrialList::CreateFieldTrial("PreviewsClientLoFi", "Enabled"); |
| EXPECT_TRUE(io_data()->IsPreviewEnabled(previews::PreviewsType::LOFI)); |
| } |
| |
| TEST_F(PreviewsServiceTest, TestClientLoFiFieldTrialDisabled) { |
| base::FieldTrialList::CreateFieldTrial("PreviewsClientLoFi", "Disabled"); |
| EXPECT_FALSE(io_data()->IsPreviewEnabled(previews::PreviewsType::LOFI)); |
| } |
| |
| TEST_F(PreviewsServiceTest, TestClientLoFiFieldTrialNotSet) { |
| EXPECT_FALSE(io_data()->IsPreviewEnabled(previews::PreviewsType::LOFI)); |
| } |
| |
| TEST_F(PreviewsServiceTest, TestServerLoFiNotEnabled) { |
| base::test::ScopedFeatureList scoped_feature_list; |
| scoped_feature_list.InitAndDisableFeature( |
| data_reduction_proxy::features::kDataReductionProxyDecidesTransform); |
| EXPECT_FALSE(io_data()->IsPreviewEnabled(previews::PreviewsType::LOFI)); |
| } |
| |
| TEST_F(PreviewsServiceTest, TestLitePageNotEnabled) { |
| base::test::ScopedFeatureList scoped_feature_list; |
| scoped_feature_list.InitAndDisableFeature( |
| data_reduction_proxy::features::kDataReductionProxyDecidesTransform); |
| EXPECT_FALSE(io_data()->IsPreviewEnabled(previews::PreviewsType::LITE_PAGE)); |
| } |
| |
| TEST_F(PreviewsServiceTest, TestServerLoFiProxyDecidesTransform) { |
| base::test::ScopedFeatureList scoped_feature_list; |
| scoped_feature_list.InitAndEnableFeature( |
| data_reduction_proxy::features::kDataReductionProxyDecidesTransform); |
| EXPECT_TRUE(io_data()->IsPreviewEnabled(previews::PreviewsType::LOFI)); |
| } |
| |
| TEST_F(PreviewsServiceTest, TestLitePageProxyDecidesTransform) { |
| base::test::ScopedFeatureList scoped_feature_list; |
| scoped_feature_list.InitAndEnableFeature( |
| data_reduction_proxy::features::kDataReductionProxyDecidesTransform); |
| EXPECT_TRUE(io_data()->IsPreviewEnabled(previews::PreviewsType::LITE_PAGE)); |
| } |
| |
| TEST_F(PreviewsServiceTest, TestNoScriptPreviewsEnabledByFeature) { |
| EXPECT_FALSE(io_data()->IsPreviewEnabled(previews::PreviewsType::NOSCRIPT)); |
| base::test::ScopedFeatureList scoped_feature_list; |
| scoped_feature_list.InitAndEnableFeature( |
| previews::features::kNoScriptPreviews); |
| EXPECT_TRUE(io_data()->IsPreviewEnabled(previews::PreviewsType::NOSCRIPT)); |
| } |