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// Copyright 2018 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/socket/connect_job.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "net/base/address_list.h"
#include "net/base/net_errors.h"
#include "net/base/request_priority.h"
#include "net/dns/public/resolve_error_info.h"
#include "net/log/test_net_log.h"
#include "net/log/test_net_log_util.h"
#include "net/socket/connect_job_test_util.h"
#include "net/socket/socket_tag.h"
#include "net/socket/socket_test_util.h"
#include "net/test/gtest_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
class TestConnectJob : public ConnectJob {
public:
enum class JobType {
kSyncSuccess,
kAsyncSuccess,
kHung,
};
TestConnectJob(JobType job_type,
base::TimeDelta timeout_duration,
const CommonConnectJobParams* common_connect_job_params,
ConnectJob::Delegate* delegate)
: ConnectJob(DEFAULT_PRIORITY,
SocketTag(),
timeout_duration,
common_connect_job_params,
delegate,
nullptr /* net_log */,
NetLogSourceType::TRANSPORT_CONNECT_JOB,
NetLogEventType::TRANSPORT_CONNECT_JOB_CONNECT),
job_type_(job_type) {
switch (job_type_) {
case JobType::kSyncSuccess:
socket_data_provider_.set_connect_data(MockConnect(SYNCHRONOUS, OK));
return;
case JobType::kAsyncSuccess:
socket_data_provider_.set_connect_data(MockConnect(ASYNC, OK));
return;
case JobType::kHung:
socket_data_provider_.set_connect_data(
MockConnect(SYNCHRONOUS, ERR_IO_PENDING));
return;
}
}
TestConnectJob(const TestConnectJob&) = delete;
TestConnectJob& operator=(const TestConnectJob&) = delete;
// From ConnectJob:
LoadState GetLoadState() const override { return LOAD_STATE_IDLE; }
bool HasEstablishedConnection() const override { return false; }
ResolveErrorInfo GetResolveErrorInfo() const override {
return ResolveErrorInfo(net::OK);
}
int ConnectInternal() override {
SetSocket(std::make_unique<MockTCPClientSocket>(
AddressList(), net_log().net_log(), &socket_data_provider_),
absl::nullopt /* dns_aliases */);
return socket()->Connect(base::BindOnce(
&TestConnectJob::NotifyDelegateOfCompletion, base::Unretained(this)));
}
void ChangePriorityInternal(RequestPriority priority) override {
last_seen_priority_ = priority;
}
using ConnectJob::ResetTimer;
// The priority seen during the most recent call to ChangePriorityInternal().
RequestPriority last_seen_priority() const { return last_seen_priority_; }
protected:
const JobType job_type_;
StaticSocketDataProvider socket_data_provider_;
RequestPriority last_seen_priority_ = DEFAULT_PRIORITY;
};
class ConnectJobTest : public testing::Test {
public:
ConnectJobTest()
: task_environment_(base::test::TaskEnvironment::TimeSource::MOCK_TIME),
common_connect_job_params_(
nullptr /* client_socket_factory */,
nullptr /* host_resolver */,
nullptr /* http_auth_cache */,
nullptr /* http_auth_handler_factory */,
nullptr /* spdy_session_pool */,
nullptr /* quic_supported_versions */,
nullptr /* quic_stream_factory */,
nullptr /* proxy_delegate */,
nullptr /* http_user_agent_settings */,
nullptr /* ssl_client_context */,
nullptr /* socket_performance_watcher_factory */,
nullptr /* network_quality_estimator */,
NetLog::Get(),
nullptr /* websocket_endpoint_lock_manager */) {}
~ConnectJobTest() override = default;
protected:
base::test::TaskEnvironment task_environment_;
RecordingNetLogObserver net_log_observer_;
const CommonConnectJobParams common_connect_job_params_;
TestConnectJobDelegate delegate_;
};
// Even though a timeout is specified, it doesn't time out on a synchronous
// completion.
TEST_F(ConnectJobTest, NoTimeoutOnSyncCompletion) {
TestConnectJob job(TestConnectJob::JobType::kSyncSuccess,
base::Microseconds(1), &common_connect_job_params_,
&delegate_);
EXPECT_THAT(job.Connect(), test::IsOk());
}
// Even though a timeout is specified, it doesn't time out on an asynchronous
// completion.
TEST_F(ConnectJobTest, NoTimeoutOnAsyncCompletion) {
TestConnectJob job(TestConnectJob::JobType::kAsyncSuccess, base::Minutes(1),
&common_connect_job_params_, &delegate_);
ASSERT_THAT(job.Connect(), test::IsError(ERR_IO_PENDING));
EXPECT_THAT(delegate_.WaitForResult(), test::IsOk());
}
// Job shouldn't timeout when passed a TimeDelta of zero.
TEST_F(ConnectJobTest, NoTimeoutWithNoTimeDelta) {
TestConnectJob job(TestConnectJob::JobType::kHung, base::TimeDelta(),
&common_connect_job_params_, &delegate_);
ASSERT_THAT(job.Connect(), test::IsError(ERR_IO_PENDING));
task_environment_.RunUntilIdle();
EXPECT_FALSE(delegate_.has_result());
}
// Make sure that ChangePriority() works, and new priority is visible to
// subclasses during the SetPriorityInternal call.
TEST_F(ConnectJobTest, SetPriority) {
TestConnectJob job(TestConnectJob::JobType::kAsyncSuccess,
base::Microseconds(1), &common_connect_job_params_,
&delegate_);
ASSERT_THAT(job.Connect(), test::IsError(ERR_IO_PENDING));
job.ChangePriority(HIGHEST);
EXPECT_EQ(HIGHEST, job.priority());
EXPECT_EQ(HIGHEST, job.last_seen_priority());
job.ChangePriority(MEDIUM);
EXPECT_EQ(MEDIUM, job.priority());
EXPECT_EQ(MEDIUM, job.last_seen_priority());
EXPECT_THAT(delegate_.WaitForResult(), test::IsOk());
}
TEST_F(ConnectJobTest, TimedOut) {
const base::TimeDelta kTimeout = base::Hours(1);
std::unique_ptr<TestConnectJob> job =
std::make_unique<TestConnectJob>(TestConnectJob::JobType::kHung, kTimeout,
&common_connect_job_params_, &delegate_);
ASSERT_THAT(job->Connect(), test::IsError(ERR_IO_PENDING));
// Nothing should happen before the specified time.
task_environment_.FastForwardBy(kTimeout - base::Milliseconds(1));
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(delegate_.has_result());
// At which point the job should time out.
task_environment_.FastForwardBy(base::Milliseconds(1));
EXPECT_THAT(delegate_.WaitForResult(), test::IsError(ERR_TIMED_OUT));
// Have to delete the job for it to log the end event.
job.reset();
auto entries = net_log_observer_.GetEntries();
EXPECT_EQ(6u, entries.size());
EXPECT_TRUE(LogContainsBeginEvent(entries, 0, NetLogEventType::CONNECT_JOB));
EXPECT_TRUE(LogContainsBeginEvent(
entries, 1, NetLogEventType::TRANSPORT_CONNECT_JOB_CONNECT));
EXPECT_TRUE(LogContainsEvent(entries, 2,
NetLogEventType::CONNECT_JOB_SET_SOCKET,
NetLogEventPhase::NONE));
EXPECT_TRUE(LogContainsEvent(entries, 3,
NetLogEventType::CONNECT_JOB_TIMED_OUT,
NetLogEventPhase::NONE));
EXPECT_TRUE(LogContainsEndEvent(
entries, 4, NetLogEventType::TRANSPORT_CONNECT_JOB_CONNECT));
EXPECT_TRUE(LogContainsEndEvent(entries, 5, NetLogEventType::CONNECT_JOB));
}
TEST_F(ConnectJobTest, TimedOutWithRestartedTimer) {
const base::TimeDelta kTimeout = base::Hours(1);
TestConnectJob job(TestConnectJob::JobType::kHung, kTimeout,
&common_connect_job_params_, &delegate_);
ASSERT_THAT(job.Connect(), test::IsError(ERR_IO_PENDING));
// Nothing should happen before the specified time.
task_environment_.FastForwardBy(kTimeout - base::Milliseconds(1));
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(delegate_.has_result());
// Make sure restarting the timer is respected.
job.ResetTimer(kTimeout);
task_environment_.FastForwardBy(kTimeout - base::Milliseconds(1));
base::RunLoop().RunUntilIdle();
EXPECT_FALSE(delegate_.has_result());
task_environment_.FastForwardBy(base::Milliseconds(1));
EXPECT_THAT(delegate_.WaitForResult(), test::IsError(ERR_TIMED_OUT));
}
} // namespace
} // namespace net
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