| // 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 "components/metrics/net/network_metrics_provider.h" |
| |
| #include <memory> |
| |
| #include "base/callback.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/run_loop.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "build/build_config.h" |
| #include "build/chromeos_buildflags.h" |
| #include "services/network/test/test_network_connection_tracker.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/metrics_proto/system_profile.pb.h" |
| |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| #include "chromeos/network/network_handler_test_helper.h" |
| #endif // BUILDFLAG(IS_CHROMEOS_ASH) |
| |
| #if BUILDFLAG(IS_IOS) |
| #include "ios/web/public/test/web_task_environment.h" |
| using MetricsTaskEnvironment = web::WebTaskEnvironment; |
| #else // !BUILDFLAG(IS_IOS) |
| #include "content/public/test/browser_task_environment.h" |
| using MetricsTaskEnvironment = content::BrowserTaskEnvironment; |
| #endif // BUILDFLAG(IS_IOS) |
| |
| namespace metrics { |
| |
| class NetworkMetricsProviderTest : public testing::Test { |
| public: |
| NetworkMetricsProviderTest(const NetworkMetricsProviderTest&) = delete; |
| NetworkMetricsProviderTest& operator=(const NetworkMetricsProviderTest&) = |
| delete; |
| |
| protected: |
| NetworkMetricsProviderTest() |
| : task_environment_(MetricsTaskEnvironment::IO_MAINLOOP) {} |
| ~NetworkMetricsProviderTest() override {} |
| |
| private: |
| MetricsTaskEnvironment task_environment_; |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| chromeos::NetworkHandlerTestHelper network_handler_test_helper_; |
| #endif // BUILDFLAG(IS_CHROMEOS_ASH) |
| }; |
| |
| // Verifies that the effective connection type is correctly set. |
| TEST_F(NetworkMetricsProviderTest, EffectiveConnectionType) { |
| NetworkMetricsProvider network_metrics_provider( |
| network::TestNetworkConnectionTracker::CreateAsyncGetter()); |
| base::RunLoop().RunUntilIdle(); |
| |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN, |
| network_metrics_provider.effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN, |
| network_metrics_provider.min_effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN, |
| network_metrics_provider.max_effective_connection_type_); |
| SystemProfileProto system_profile; |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_UNKNOWN, |
| system_profile.network().min_effective_connection_type()); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_UNKNOWN, |
| system_profile.network().max_effective_connection_type()); |
| |
| network_metrics_provider.OnEffectiveConnectionTypeChanged( |
| net::EFFECTIVE_CONNECTION_TYPE_2G); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_2G, |
| network_metrics_provider.effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_2G, |
| network_metrics_provider.min_effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_2G, |
| network_metrics_provider.max_effective_connection_type_); |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_2G, |
| system_profile.network().min_effective_connection_type()); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_2G, |
| system_profile.network().max_effective_connection_type()); |
| |
| network_metrics_provider.OnEffectiveConnectionTypeChanged( |
| net::EFFECTIVE_CONNECTION_TYPE_SLOW_2G); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_SLOW_2G, |
| network_metrics_provider.effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_SLOW_2G, |
| network_metrics_provider.min_effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_2G, |
| network_metrics_provider.max_effective_connection_type_); |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| // Effective connection type changed from 2G to SLOW_2G during the lifetime of |
| // the log. Minimum value of ECT must be different from the maximum value. |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_SLOW_2G, |
| system_profile.network().min_effective_connection_type()); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_2G, |
| system_profile.network().max_effective_connection_type()); |
| |
| // Getting the system profile again should return the current effective |
| // connection type. |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_SLOW_2G, |
| system_profile.network().min_effective_connection_type()); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_SLOW_2G, |
| system_profile.network().max_effective_connection_type()); |
| } |
| |
| // Verifies that the effective connection type is not set to UNKNOWN when there |
| // is a change in the connection type. |
| TEST_F(NetworkMetricsProviderTest, ECTAmbiguousOnConnectionTypeChange) { |
| NetworkMetricsProvider network_metrics_provider( |
| network::TestNetworkConnectionTracker::CreateAsyncGetter()); |
| base::RunLoop().RunUntilIdle(); |
| |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN, |
| network_metrics_provider.effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN, |
| network_metrics_provider.min_effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN, |
| network_metrics_provider.max_effective_connection_type_); |
| |
| network_metrics_provider.OnEffectiveConnectionTypeChanged( |
| net::EFFECTIVE_CONNECTION_TYPE_2G); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_2G, |
| network_metrics_provider.effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_2G, |
| network_metrics_provider.min_effective_connection_type_); |
| EXPECT_EQ(net::EFFECTIVE_CONNECTION_TYPE_2G, |
| network_metrics_provider.max_effective_connection_type_); |
| |
| // There is no change in the connection type. Effective connection types |
| // should be reported as 2G. |
| SystemProfileProto system_profile; |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_2G, |
| system_profile.network().min_effective_connection_type()); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_2G, |
| system_profile.network().max_effective_connection_type()); |
| |
| // Even with change in the connection type, effective connection types |
| // should be reported as 2G. |
| network_metrics_provider.OnConnectionChanged( |
| network::mojom::ConnectionType::CONNECTION_2G); |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_2G, |
| system_profile.network().min_effective_connection_type()); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_2G, |
| system_profile.network().max_effective_connection_type()); |
| } |
| |
| // Verifies that the effective connection type is not set to UNKNOWN when the |
| // connection type is OFFLINE. |
| TEST_F(NetworkMetricsProviderTest, ECTNotAmbiguousOnUnknownOrOffline) { |
| for (net::EffectiveConnectionType force_ect : |
| {net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN, |
| net::EFFECTIVE_CONNECTION_TYPE_OFFLINE}) { |
| NetworkMetricsProvider network_metrics_provider( |
| network::TestNetworkConnectionTracker::CreateAsyncGetter()); |
| base::RunLoop().RunUntilIdle(); |
| |
| network_metrics_provider.OnEffectiveConnectionTypeChanged( |
| net::EFFECTIVE_CONNECTION_TYPE_2G); |
| |
| SystemProfileProto system_profile; |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| |
| network_metrics_provider.OnEffectiveConnectionTypeChanged(force_ect); |
| |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_2G, |
| system_profile.network().min_effective_connection_type()); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_2G, |
| system_profile.network().max_effective_connection_type()); |
| |
| network_metrics_provider.OnEffectiveConnectionTypeChanged( |
| net::EFFECTIVE_CONNECTION_TYPE_4G); |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_4G, |
| system_profile.network().min_effective_connection_type()); |
| EXPECT_EQ(SystemProfileProto::Network::EFFECTIVE_CONNECTION_TYPE_4G, |
| system_profile.network().max_effective_connection_type()); |
| } |
| } |
| |
| // Verifies that the connection type is ambiguous boolean is correctly set. |
| TEST_F(NetworkMetricsProviderTest, ConnectionTypeIsAmbiguous) { |
| NetworkMetricsProvider network_metrics_provider( |
| network::TestNetworkConnectionTracker::CreateAsyncGetter()); |
| |
| EXPECT_EQ(network::mojom::ConnectionType::CONNECTION_UNKNOWN, |
| network_metrics_provider.connection_type_); |
| EXPECT_FALSE(network_metrics_provider.connection_type_is_ambiguous_); |
| EXPECT_FALSE( |
| network_metrics_provider.network_connection_tracker_initialized_); |
| |
| // When a connection type change callback is received, network change notifier |
| // should be marked as initialized. |
| network_metrics_provider.OnConnectionChanged( |
| network::mojom::ConnectionType::CONNECTION_2G); |
| EXPECT_EQ(network::mojom::ConnectionType::CONNECTION_2G, |
| network_metrics_provider.connection_type_); |
| // Connection type should not be marked as ambiguous when a delayed connection |
| // type change callback is received due to delayed initialization of the |
| // network change notifier. |
| EXPECT_FALSE(network_metrics_provider.connection_type_is_ambiguous_); |
| EXPECT_TRUE(network_metrics_provider.network_connection_tracker_initialized_); |
| |
| // On collection of the system profile, |connection_type_is_ambiguous_| should |
| // stay false, and |network_connection_tracker_initialized_| should remain |
| // true. |
| SystemProfileProto system_profile; |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| EXPECT_FALSE(network_metrics_provider.connection_type_is_ambiguous_); |
| EXPECT_TRUE(network_metrics_provider.network_connection_tracker_initialized_); |
| EXPECT_FALSE(system_profile.network().connection_type_is_ambiguous()); |
| EXPECT_EQ(SystemProfileProto::Network::CONNECTION_2G, |
| system_profile.network().connection_type()); |
| |
| network_metrics_provider.OnConnectionChanged( |
| network::mojom::ConnectionType::CONNECTION_3G); |
| EXPECT_TRUE(network_metrics_provider.connection_type_is_ambiguous_); |
| EXPECT_TRUE(network_metrics_provider.network_connection_tracker_initialized_); |
| |
| // On collection of the system profile, |connection_type_is_ambiguous_| should |
| // be reset to false, and |network_connection_tracker_initialized_| should |
| // remain true. |
| network_metrics_provider.ProvideSystemProfileMetrics(&system_profile); |
| EXPECT_FALSE(network_metrics_provider.connection_type_is_ambiguous_); |
| EXPECT_TRUE(network_metrics_provider.network_connection_tracker_initialized_); |
| EXPECT_TRUE(system_profile.network().connection_type_is_ambiguous()); |
| EXPECT_EQ(SystemProfileProto::Network::CONNECTION_3G, |
| system_profile.network().connection_type()); |
| } |
| |
| } // namespace metrics |