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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/network_change_notifier_passive.h"
#include <utility>
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "net/base/ip_address.h"
#include "net/base/ip_endpoint.h"
#include "net/base/network_change_notifier.h"
#include "net/dns/dns_config.h"
#include "net/dns/system_dns_config_change_notifier.h"
#include "net/dns/test_dns_config_service.h"
#include "testing/gmock/include/gmock/gmock.h"
namespace net {
class NetworkChangeNotifierPassiveTest : public testing::Test {
public:
NetworkChangeNotifierPassiveTest()
: task_environment_(base::test::TaskEnvironment::TimeSource::MOCK_TIME) {
// Create a SystemDnsConfigChangeNotifier instead of letting
// NetworkChangeNotifier create a global one, otherwise the global one will
// hold a TaskRunner handle to |task_environment_| and crash if any
// subsequent tests use it.
dns_config_notifier_ = std::make_unique<SystemDnsConfigChangeNotifier>();
notifier_ = base::WrapUnique(new NetworkChangeNotifierPassive(
NetworkChangeNotifier::CONNECTION_UNKNOWN,
NetworkChangeNotifier::SUBTYPE_UNKNOWN, dns_config_notifier_.get()));
auto dns_config_service = std::make_unique<TestDnsConfigService>();
dns_config_service_ = dns_config_service.get();
dns_config_notifier_->SetDnsConfigServiceForTesting(
std::move(dns_config_service), base::OnceClosure());
}
void FastForwardUntilIdle() {
task_environment_.FastForwardUntilNoTasksRemain();
}
NetworkChangeNotifierPassive* notifier() { return notifier_.get(); }
TestDnsConfigService* dns_config_service() { return dns_config_service_; }
private:
base::test::TaskEnvironment task_environment_;
net::NetworkChangeNotifier::DisableForTest mock_notifier_disabler_;
std::unique_ptr<SystemDnsConfigChangeNotifier> dns_config_notifier_;
std::unique_ptr<NetworkChangeNotifierPassive> notifier_;
raw_ptr<TestDnsConfigService> dns_config_service_;
};
class MockIPAddressObserver : public NetworkChangeNotifier::IPAddressObserver {
public:
MOCK_METHOD0(OnIPAddressChanged, void());
};
TEST_F(NetworkChangeNotifierPassiveTest, OnIPAddressChanged) {
testing::StrictMock<MockIPAddressObserver> observer;
NetworkChangeNotifier::AddIPAddressObserver(&observer);
EXPECT_CALL(observer, OnIPAddressChanged());
notifier()->OnIPAddressChanged();
FastForwardUntilIdle();
NetworkChangeNotifier::RemoveIPAddressObserver(&observer);
}
class MockNetworkChangeObserver
: public NetworkChangeNotifier::NetworkChangeObserver {
public:
MOCK_METHOD1(OnNetworkChanged, void(NetworkChangeNotifier::ConnectionType));
};
TEST_F(NetworkChangeNotifierPassiveTest, OnNetworkChanged) {
testing::StrictMock<MockNetworkChangeObserver> observer;
NetworkChangeNotifier::AddNetworkChangeObserver(&observer);
EXPECT_CALL(observer,
OnNetworkChanged(NetworkChangeNotifier::CONNECTION_NONE));
EXPECT_CALL(observer, OnNetworkChanged(NetworkChangeNotifier::CONNECTION_3G));
notifier()->OnConnectionChanged(NetworkChangeNotifier::CONNECTION_3G);
FastForwardUntilIdle();
NetworkChangeNotifier::RemoveNetworkChangeObserver(&observer);
}
class MockMaxBandwidthObserver
: public NetworkChangeNotifier::MaxBandwidthObserver {
public:
MOCK_METHOD2(OnMaxBandwidthChanged,
void(double, NetworkChangeNotifier::ConnectionType));
};
TEST_F(NetworkChangeNotifierPassiveTest, OnMaxBandwidthChanged) {
testing::StrictMock<MockMaxBandwidthObserver> observer;
NetworkChangeNotifier::AddMaxBandwidthObserver(&observer);
EXPECT_CALL(observer,
OnMaxBandwidthChanged(3.6, NetworkChangeNotifier::CONNECTION_4G));
notifier()->OnConnectionSubtypeChanged(NetworkChangeNotifier::CONNECTION_4G,
NetworkChangeNotifier::SUBTYPE_HSPA);
FastForwardUntilIdle();
NetworkChangeNotifier::RemoveMaxBandwidthObserver(&observer);
}
class TestDnsObserver : public NetworkChangeNotifier::DNSObserver {
public:
void OnDNSChanged() override { dns_changes_++; }
int dns_changes() const { return dns_changes_; }
private:
int dns_changes_ = 0;
};
TEST_F(NetworkChangeNotifierPassiveTest, OnDNSChanged) {
TestDnsObserver observer;
NetworkChangeNotifier::AddDNSObserver(&observer);
FastForwardUntilIdle();
EXPECT_EQ(0, observer.dns_changes());
DnsConfig config;
config.nameservers = {IPEndPoint(IPAddress(1, 2, 3, 4), 233)};
dns_config_service()->SetConfigForRefresh(config);
notifier()->OnDNSChanged();
FastForwardUntilIdle();
EXPECT_EQ(1, observer.dns_changes());
config.nameservers.emplace_back(IPAddress(2, 3, 4, 5), 234);
dns_config_service()->SetConfigForRefresh(config);
notifier()->OnDNSChanged();
FastForwardUntilIdle();
EXPECT_EQ(2, observer.dns_changes());
config.nameservers.emplace_back(IPAddress(3, 4, 5, 6), 235);
dns_config_service()->SetConfigForRefresh(config);
notifier()->OnDNSChanged();
FastForwardUntilIdle();
EXPECT_EQ(3, observer.dns_changes());
NetworkChangeNotifier::RemoveDNSObserver(&observer);
}
} // namespace net
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