| // Copyright (c) 2012 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 "chrome/browser/net/dns_probe_service_factory.h" |
| |
| #include <memory> |
| #include <utility> |
| #include <vector> |
| |
| #include "base/bind.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/run_loop.h" |
| #include "base/test/simple_test_tick_clock.h" |
| #include "chrome/browser/net/dns_probe_runner.h" |
| #include "chrome/browser/net/dns_probe_service.h" |
| #include "chrome/browser/net/dns_probe_test_util.h" |
| #include "components/error_page/common/net_error_info.h" |
| #include "content/public/test/test_browser_thread_bundle.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using base::RunLoop; |
| using content::TestBrowserThreadBundle; |
| using error_page::DnsProbeStatus; |
| |
| namespace chrome_browser_net { |
| |
| namespace { |
| |
| class DnsProbeServiceTest : public testing::Test { |
| public: |
| DnsProbeServiceTest() |
| : callback_called_(false), callback_result_(error_page::DNS_PROBE_MAX) {} |
| |
| void Probe() { |
| service_->ProbeDns(base::BindOnce(&DnsProbeServiceTest::ProbeCallback, |
| base::Unretained(this))); |
| } |
| |
| void Reset() { callback_called_ = false; } |
| |
| protected: |
| network::mojom::NetworkContext* GetNetworkContext() { |
| return network_context_.get(); |
| } |
| |
| network::mojom::DnsConfigChangeManagerPtr GetDnsConfigChangeManager() { |
| network::mojom::DnsConfigChangeManagerPtr dns_config_change_manager_ptr; |
| dns_config_change_manager_ = std::make_unique<FakeDnsConfigChangeManager>( |
| mojo::MakeRequest(&dns_config_change_manager_ptr)); |
| return dns_config_change_manager_ptr; |
| } |
| |
| void ConfigureTest( |
| std::vector<FakeHostResolver::SingleResult> system_results, |
| std::vector<FakeHostResolver::SingleResult> public_results) { |
| ASSERT_FALSE(network_context_); |
| |
| network_context_ = std::make_unique<FakeHostResolverNetworkContext>( |
| std::move(system_results), std::move(public_results)); |
| |
| service_ = DnsProbeServiceFactory::CreateForTesting( |
| base::BindRepeating(&DnsProbeServiceTest::GetNetworkContext, |
| base::Unretained(this)), |
| base::BindRepeating(&DnsProbeServiceTest::GetDnsConfigChangeManager, |
| base::Unretained(this)), |
| &tick_clock_); |
| } |
| |
| void RunTest(DnsProbeStatus expected_result) { |
| Reset(); |
| |
| Probe(); |
| RunLoop().RunUntilIdle(); |
| EXPECT_TRUE(callback_called_); |
| EXPECT_EQ(expected_result, callback_result_); |
| } |
| |
| void AdvanceTime(base::TimeDelta delta) { tick_clock_.Advance(delta); } |
| |
| void SimulateDnsConfigChange() { |
| dns_config_change_manager_->SimulateDnsConfigChange(); |
| RunLoop().RunUntilIdle(); |
| } |
| |
| void DestroyDnsConfigChangeManager() { dns_config_change_manager_ = nullptr; } |
| |
| bool has_dns_config_change_manager() const { |
| return !!dns_config_change_manager_; |
| } |
| |
| private: |
| void ProbeCallback(DnsProbeStatus result) { |
| EXPECT_FALSE(callback_called_); |
| callback_called_ = true; |
| callback_result_ = result; |
| } |
| |
| base::SimpleTestTickClock tick_clock_; |
| TestBrowserThreadBundle bundle_; |
| std::unique_ptr<FakeHostResolverNetworkContext> network_context_; |
| std::unique_ptr<FakeDnsConfigChangeManager> dns_config_change_manager_; |
| std::unique_ptr<DnsProbeService> service_; |
| bool callback_called_; |
| DnsProbeStatus callback_result_; |
| }; |
| |
| TEST_F(DnsProbeServiceTest, Probe_OK_OK) { |
| ConfigureTest({{net::OK, FakeHostResolver::kOneAddressResponse}}, |
| {{net::OK, FakeHostResolver::kOneAddressResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_NXDOMAIN); |
| } |
| |
| TEST_F(DnsProbeServiceTest, Probe_TIMEOUT_OK) { |
| ConfigureTest({{net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}, |
| {{net::OK, FakeHostResolver::kOneAddressResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_BAD_CONFIG); |
| } |
| |
| TEST_F(DnsProbeServiceTest, Probe_TIMEOUT_TIMEOUT) { |
| ConfigureTest({{net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}, |
| {{net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_NO_INTERNET); |
| } |
| |
| TEST_F(DnsProbeServiceTest, Probe_OK_FAIL) { |
| ConfigureTest({{net::OK, FakeHostResolver::kOneAddressResponse}}, |
| {{net::ERR_NAME_NOT_RESOLVED, FakeHostResolver::kNoResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_NXDOMAIN); |
| } |
| |
| TEST_F(DnsProbeServiceTest, Probe_FAIL_OK) { |
| ConfigureTest({{net::ERR_NAME_NOT_RESOLVED, FakeHostResolver::kNoResponse}}, |
| {{net::OK, FakeHostResolver::kOneAddressResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_BAD_CONFIG); |
| } |
| |
| TEST_F(DnsProbeServiceTest, Probe_FAIL_FAIL) { |
| ConfigureTest({{net::ERR_NAME_NOT_RESOLVED, FakeHostResolver::kNoResponse}}, |
| {{net::ERR_NAME_NOT_RESOLVED, FakeHostResolver::kNoResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_INCONCLUSIVE); |
| } |
| |
| TEST_F(DnsProbeServiceTest, Cache) { |
| ConfigureTest({{net::OK, FakeHostResolver::kOneAddressResponse}, |
| {net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}, |
| {{net::OK, FakeHostResolver::kOneAddressResponse}, |
| {net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_NXDOMAIN); |
| // Advance clock, but not enough to expire the cache. |
| AdvanceTime(base::TimeDelta::FromSeconds(4)); |
| // Cached NXDOMAIN result should persist, not the result from the new rules. |
| RunTest(error_page::DNS_PROBE_FINISHED_NXDOMAIN); |
| } |
| |
| TEST_F(DnsProbeServiceTest, Expire) { |
| ConfigureTest({{net::OK, FakeHostResolver::kOneAddressResponse}, |
| {net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}, |
| {{net::OK, FakeHostResolver::kOneAddressResponse}, |
| {net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_NXDOMAIN); |
| // Advance clock enough to trigger cache expiration. |
| AdvanceTime(base::TimeDelta::FromSeconds(6)); |
| // New rules should apply, since a new probe should be run. |
| RunTest(error_page::DNS_PROBE_FINISHED_NO_INTERNET); |
| } |
| |
| TEST_F(DnsProbeServiceTest, DnsConfigChange) { |
| ConfigureTest({{net::OK, FakeHostResolver::kOneAddressResponse}, |
| {net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}, |
| {{net::OK, FakeHostResolver::kOneAddressResponse}, |
| {net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_NXDOMAIN); |
| // Simulate dns config change notification. |
| SimulateDnsConfigChange(); |
| // New rules should apply, since a new probe should be run. |
| RunTest(error_page::DNS_PROBE_FINISHED_NO_INTERNET); |
| } |
| |
| TEST_F(DnsProbeServiceTest, MojoConnectionError) { |
| ConfigureTest({{net::OK, FakeHostResolver::kOneAddressResponse}, |
| {net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}, |
| {{net::OK, FakeHostResolver::kOneAddressResponse}, |
| {net::ERR_DNS_TIMED_OUT, FakeHostResolver::kNoResponse}}); |
| RunTest(error_page::DNS_PROBE_FINISHED_NXDOMAIN); |
| DestroyDnsConfigChangeManager(); |
| RunLoop().RunUntilIdle(); |
| // DnsProbeService should have detected the mojo connection error and |
| // automatically called the DnsConfigChangeManagerGetter again. |
| ASSERT_TRUE(has_dns_config_change_manager()); |
| // New rules should apply, since recreating the DnsConfigChangeManagerClient |
| // should also clear the cache (can't tell if a config change might have |
| // happened while not getting notifications). |
| RunTest(error_page::DNS_PROBE_FINISHED_NO_INTERNET); |
| } |
| |
| } // namespace |
| |
| } // namespace chrome_browser_net |