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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/optimization_guide/core/push_notification_manager.h"
#include "base/test/metrics/histogram_tester.h"
#include "testing/gtest/include/gtest/gtest.h"
using ::testing::_;
using ::testing::SaveArg;
namespace optimization_guide {
class TestDelegate : public PushNotificationManager::Delegate {
public:
using RemoveMultiplePair =
std::pair<proto::KeyRepresentation, base::flat_set<std::string>>;
TestDelegate() = default;
~TestDelegate() = default;
const std::vector<RemoveMultiplePair>& removed_entries() const {
return removed_entries_;
}
void RemoveFetchedEntriesByHintKeys(
base::OnceClosure on_success,
proto::KeyRepresentation key_representation,
const base::flat_set<std::string>& hint_keys) override {
removed_entries_.emplace_back(key_representation, hint_keys);
std::move(on_success).Run();
}
private:
std::vector<RemoveMultiplePair> removed_entries_;
};
class MockObserver : public PushNotificationManager::Observer {
public:
MockObserver() = default;
~MockObserver() override = default;
MOCK_METHOD(void,
OnNotificationPayload,
(proto::OptimizationType, const optimization_guide::proto::Any&),
(override));
};
class AnotherMockObserver : public PushNotificationManager::Observer {
public:
AnotherMockObserver() = default;
~AnotherMockObserver() override = default;
MOCK_METHOD(void,
OnNotificationPayload,
(proto::OptimizationType, const optimization_guide::proto::Any&),
(override));
};
class PushNotificationManagerUnitTest : public testing::Test {
public:
PushNotificationManagerUnitTest() = default;
~PushNotificationManagerUnitTest() override = default;
void SetUp() override {
manager_.SetDelegate(&delegate_);
manager_.AddObserver(&observer_);
}
MockObserver* observer() { return &observer_; }
PushNotificationManager* manager() { return &manager_; }
TestDelegate* delegate() { return &delegate_; }
bool manager_has_observer(PushNotificationManager::Observer* observer) {
return manager()->observers_.HasObserver(observer);
}
private:
MockObserver observer_;
PushNotificationManager manager_;
TestDelegate delegate_;
};
TEST_F(PushNotificationManagerUnitTest, TestNewNotificationReceived) {
base::HistogramTester histogram_tester;
proto::HintNotificationPayload notification;
notification.set_hint_key("hintkey");
notification.set_key_representation(proto::KeyRepresentation::HOST);
notification.set_optimization_type(
proto::OptimizationType::PERFORMANCE_HINTS);
optimization_guide::proto::Any* payload = notification.mutable_payload();
payload->set_type_url("type_url");
payload->set_value("value");
optimization_guide::proto::Any payload_to_observer;
EXPECT_CALL(*observer(), OnNotificationPayload(
proto::OptimizationType::PERFORMANCE_HINTS, _))
.WillOnce(SaveArg<1>(&payload_to_observer));
manager()->OnNewPushNotification(notification);
histogram_tester.ExpectUniqueSample(
"OptimizationGuide.PushNotifications.ReceivedNotificationType",
proto::OptimizationType::PERFORMANCE_HINTS, 1);
EXPECT_EQ(payload_to_observer.type_url(), "type_url");
EXPECT_EQ(payload_to_observer.value(), "value");
std::vector<TestDelegate::RemoveMultiplePair> removed_entries =
delegate()->removed_entries();
EXPECT_EQ(1U, removed_entries.size());
EXPECT_EQ(proto::KeyRepresentation::HOST, removed_entries[0].first);
EXPECT_EQ(base::flat_set<std::string>{"hintkey"}, removed_entries[0].second);
}
TEST_F(PushNotificationManagerUnitTest, TestNewNotificationReceivedNoPayload) {
base::HistogramTester histogram_tester;
proto::HintNotificationPayload notification;
notification.set_hint_key("hintkey");
notification.set_key_representation(proto::KeyRepresentation::HOST);
notification.set_optimization_type(
proto::OptimizationType::PERFORMANCE_HINTS);
EXPECT_CALL(*observer(), OnNotificationPayload(_, _)).Times(0);
manager()->OnNewPushNotification(notification);
histogram_tester.ExpectUniqueSample(
"OptimizationGuide.PushNotifications.ReceivedNotificationType",
proto::OptimizationType::PERFORMANCE_HINTS, 0);
EXPECT_EQ(0U, delegate()->removed_entries().size());
}
TEST_F(PushNotificationManagerUnitTest, TestAddRemoveObserver) {
AnotherMockObserver another_mock_observer;
manager()->AddObserver(&another_mock_observer);
EXPECT_TRUE(manager_has_observer(&another_mock_observer));
manager()->RemoveObserver(&another_mock_observer);
EXPECT_FALSE(manager_has_observer(&another_mock_observer));
}
} // namespace optimization_guide
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