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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/media_preview/media_preview_feature.h"
#include <memory>
#include "base/check.h"
#include "base/memory/raw_ptr.h"
#include "base/test/bind.h"
#include "base/time/time.h"
#include "chrome/browser/origin_trials/origin_trials_factory.h"
#include "chrome/browser/ui/views/media_preview/media_preview_metrics.h"
#include "chrome/test/base/testing_profile.h"
#include "content/public/browser/origin_trials_controller_delegate.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/mojom/origin_trials/origin_trial_feature.mojom-shared.h"
#include "url/gurl.h"
#include "url/origin.h"
using blink::mojom::OriginTrialFeature;
using media_preview_metrics::UiLocation;
using testing::_;
using testing::Return;
using testing::StrictMock;
namespace content {
class BrowserContext;
}
class MockOriginTrialsDelegate
: public content::OriginTrialsControllerDelegate {
public:
MOCK_METHOD(void,
PersistTrialsFromTokens,
(const url::Origin&,
const url::Origin&,
const base::span<const std::string>,
const base::Time,
std::optional<ukm::SourceId>),
(override));
MOCK_METHOD(void,
PersistAdditionalTrialsFromTokens,
(const url::Origin&,
const url::Origin&,
const base::span<const url::Origin>,
const base::span<const std::string>,
const base::Time,
std::optional<ukm::SourceId>),
(override));
MOCK_METHOD(bool,
IsFeaturePersistedForOrigin,
(const url::Origin&,
const url::Origin&,
blink::mojom::OriginTrialFeature,
const base::Time),
(override));
MOCK_METHOD(base::flat_set<std::string>,
GetPersistedTrialsForOrigin,
(const url::Origin&, const url::Origin&, const base::Time),
(override));
MOCK_METHOD(void, ClearPersistedTokens, (), (override));
};
class MediaPreviewsTestingProfile : public TestingProfile {
public:
explicit MediaPreviewsTestingProfile(MockOriginTrialsDelegate* delegate)
: delegate_(delegate) {}
~MediaPreviewsTestingProfile() override { delegate_ = nullptr; }
content::OriginTrialsControllerDelegate* GetOriginTrialsControllerDelegate()
override {
return delegate_;
}
void NullifyDelegate() { delegate_ = nullptr; }
protected:
raw_ptr<MockOriginTrialsDelegate> delegate_;
};
class MediaPreviewFeatureTest : public testing::Test {
public:
void SetUp() override {
profile_ = std::make_unique<MediaPreviewsTestingProfile>(&mock_delegate_);
requester_url_ = GURL("https://www.example.com");
embedder_url_ = GURL("https://www.iframe.com");
url_in_ot_ = GURL("https://www.otvideoapp.com");
}
protected:
content::BrowserTaskEnvironment task_environment_;
std::unique_ptr<MediaPreviewsTestingProfile> profile_;
StrictMock<MockOriginTrialsDelegate> mock_delegate_;
base::test::ScopedFeatureList scoped_feature_list_;
GURL requester_url_;
GURL embedder_url_;
GURL url_in_ot_;
GURL invalid_url_;
};
TEST_F(MediaPreviewFeatureTest, TestFeatureDisabledNoOriginTrial) {
scoped_feature_list_.InitAndDisableFeature(
blink::features::kCameraMicPreview);
auto requester_origin = url::Origin::Create(requester_url_);
auto embedder_origin = url::Origin::Create(embedder_url_);
EXPECT_CALL(mock_delegate_, IsFeaturePersistedForOrigin(
requester_origin, requester_origin,
OriginTrialFeature::kMediaPreviewsOptOut, _))
.WillOnce(Return(false));
EXPECT_CALL(mock_delegate_, IsFeaturePersistedForOrigin(
embedder_origin, embedder_origin,
OriginTrialFeature::kMediaPreviewsOptOut, _))
.WillOnce(Return(false));
EXPECT_FALSE(media_preview_feature::ShouldShowMediaPreview(
*profile_, requester_url_, embedder_url_, UiLocation::kPageInfo));
}
TEST_F(MediaPreviewFeatureTest, TestFeatureEnabledNoOriginTrial) {
scoped_feature_list_.InitAndEnableFeature(blink::features::kCameraMicPreview);
auto requester_origin = url::Origin::Create(requester_url_);
auto embedder_origin = url::Origin::Create(embedder_url_);
EXPECT_CALL(mock_delegate_, IsFeaturePersistedForOrigin(
requester_origin, requester_origin,
OriginTrialFeature::kMediaPreviewsOptOut, _))
.WillOnce(Return(false));
EXPECT_CALL(mock_delegate_, IsFeaturePersistedForOrigin(
embedder_origin, embedder_origin,
OriginTrialFeature::kMediaPreviewsOptOut, _))
.WillOnce(Return(false));
EXPECT_TRUE(media_preview_feature::ShouldShowMediaPreview(
*profile_, requester_url_, embedder_url_, UiLocation::kPageInfo));
}
TEST_F(MediaPreviewFeatureTest, TestFeatureEnabledInvalidUrls) {
scoped_feature_list_.InitAndEnableFeature(blink::features::kCameraMicPreview);
EXPECT_CALL(mock_delegate_, IsFeaturePersistedForOrigin(_, _, _, _)).Times(0);
EXPECT_TRUE(media_preview_feature::ShouldShowMediaPreview(
*profile_, invalid_url_, invalid_url_, UiLocation::kPageInfo));
}
TEST_F(MediaPreviewFeatureTest, TestFeatureDisabledInvalidUrls) {
scoped_feature_list_.InitAndDisableFeature(
blink::features::kCameraMicPreview);
EXPECT_CALL(mock_delegate_, IsFeaturePersistedForOrigin(_, _, _, _)).Times(0);
EXPECT_FALSE(media_preview_feature::ShouldShowMediaPreview(
*profile_, invalid_url_, invalid_url_, UiLocation::kPageInfo));
}
TEST_F(MediaPreviewFeatureTest, TestFeatureEnabledNullDelegate) {
scoped_feature_list_.InitAndEnableFeature(blink::features::kCameraMicPreview);
auto url_in_ot_origin = url::Origin::Create(url_in_ot_);
profile_->NullifyDelegate();
EXPECT_TRUE(media_preview_feature::ShouldShowMediaPreview(
*profile_, url_in_ot_, embedder_url_, UiLocation::kPageInfo));
}
TEST_F(MediaPreviewFeatureTest, TestFeatureDisabledNullDelegate) {
scoped_feature_list_.InitAndDisableFeature(
blink::features::kCameraMicPreview);
auto url_in_ot_origin = url::Origin::Create(url_in_ot_);
profile_->NullifyDelegate();
EXPECT_FALSE(media_preview_feature::ShouldShowMediaPreview(
*profile_, url_in_ot_, embedder_url_, UiLocation::kPageInfo));
}
TEST_F(MediaPreviewFeatureTest, TestFeatureEnabledRequestedInOriginTrial) {
scoped_feature_list_.InitAndEnableFeature(blink::features::kCameraMicPreview);
auto url_in_ot_origin = url::Origin::Create(url_in_ot_);
EXPECT_CALL(mock_delegate_, IsFeaturePersistedForOrigin(
url_in_ot_origin, url_in_ot_origin,
OriginTrialFeature::kMediaPreviewsOptOut, _))
.WillOnce(Return(true));
EXPECT_FALSE(media_preview_feature::ShouldShowMediaPreview(
*profile_, url_in_ot_, embedder_url_, UiLocation::kPageInfo));
}
TEST_F(MediaPreviewFeatureTest, TestFeatureEnabledEmbeddedInOriginTrial) {
scoped_feature_list_.InitAndEnableFeature(blink::features::kCameraMicPreview);
auto requester_origin = url::Origin::Create(requester_url_);
auto url_in_ot_origin = url::Origin::Create(url_in_ot_);
EXPECT_CALL(mock_delegate_, IsFeaturePersistedForOrigin(
requester_origin, requester_origin,
OriginTrialFeature::kMediaPreviewsOptOut, _))
.WillOnce(Return(false));
EXPECT_CALL(mock_delegate_, IsFeaturePersistedForOrigin(
url_in_ot_origin, url_in_ot_origin,
OriginTrialFeature::kMediaPreviewsOptOut, _))
.WillOnce(Return(true));
EXPECT_FALSE(media_preview_feature::ShouldShowMediaPreview(
*profile_, requester_url_, url_in_ot_, UiLocation::kPageInfo));
}
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