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// Copyright 2025 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/auxiliary_search/auxiliary_search_top_site_provider_bridge.h"
#include <memory>
#include "components/ntp_tiles/icon_cacher.h"
#include "components/ntp_tiles/most_visited_sites.h"
#include "components/prefs/testing_pref_service.h"
#include "components/visited_url_ranking/public/testing/mock_visited_url_ranking_service.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
constexpr size_t kMaxNumMostVisitedSites = 4;
} // namespace
class MockMostVisitedSites : public ntp_tiles::MostVisitedSites {
public:
explicit MockMostVisitedSites(PrefService* prefs)
: ntp_tiles::MostVisitedSites(prefs,
/*identity_manager*/ nullptr,
/*supervised_user_service*/ nullptr,
/*top_sites*/ nullptr,
/*popular_sites*/ nullptr,
/*custom_links*/ nullptr,
/*icon_cacher*/ nullptr,
/*is_default_chrome_app_migrated*/ true,
/*is_custom_links_mixable*/ false) {}
MockMostVisitedSites(const MockMostVisitedSites&) = delete;
MockMostVisitedSites& operator=(const MockMostVisitedSites&) = delete;
~MockMostVisitedSites() override = default;
MOCK_METHOD2(AddMostVisitedURLsObserver,
void(Observer* observer, size_t max_num_sites));
MOCK_METHOD1(RemoveMostVisitedURLsObserver, void(Observer* observer));
};
// Unit tests for AuxiliarySearchTopSiteProviderBridge.
class AuxiliarySearchTopSiteProviderBridgeTest : public ::testing::Test {
public:
AuxiliarySearchTopSiteProviderBridgeTest() {
auto mock_most_visited_sites =
std::make_unique<MockMostVisitedSites>(&testing_prefs_);
auxiliary_search_top_site_provider_bridge_ =
std::make_unique<AuxiliarySearchTopSiteProviderBridge>(
std::move(mock_most_visited_sites));
}
AuxiliarySearchTopSiteProviderBridgeTest(
const AuxiliarySearchTopSiteProviderBridgeTest&) = delete;
AuxiliarySearchTopSiteProviderBridgeTest& operator=(
const AuxiliarySearchTopSiteProviderBridgeTest&) = delete;
protected:
TestingPrefServiceSimple testing_prefs_;
std::unique_ptr<AuxiliarySearchTopSiteProviderBridge>
auxiliary_search_top_site_provider_bridge_;
};
TEST_F(AuxiliarySearchTopSiteProviderBridgeTest, AddAndRemoveObservers) {
auto j_ref = base::android::JavaRef<jobject>();
MockMostVisitedSites* mock_most_visited_sites =
static_cast<MockMostVisitedSites*>(
auxiliary_search_top_site_provider_bridge_->most_visited_sites_
.get());
// Verifies to start observing most visited sites when the first observer is
// added.
EXPECT_CALL(*mock_most_visited_sites,
AddMostVisitedURLsObserver(testing::_, kMaxNumMostVisitedSites))
.Times(1);
auxiliary_search_top_site_provider_bridge_->SetObserverAndTrigger(nullptr,
j_ref);
// Verifies stop observing most visited sites after destroy.
EXPECT_CALL(*mock_most_visited_sites,
RemoveMostVisitedURLsObserver(testing::_))
.Times(1);
auxiliary_search_top_site_provider_bridge_->RemoveObserver();
}
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