chromium/net/test/net_test_suite.cc


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// 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 "net/test/net_test_suite.h"

#include "base/logging.h"
#include "net/base/network_change_notifier.h"
#include "net/http/http_stream_factory.h"
#include "net/spdy/chromium/spdy_session.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace {
base::test::ScopedTaskEnvironment::MainThreadType kDefaultMainThreadType =
    base::test::ScopedTaskEnvironment::MainThreadType::IO;

NetTestSuite* g_current_net_test_suite = nullptr;
}  // namespace

NetTestSuite::NetTestSuite(int argc, char** argv)
    : TestSuite(argc, argv) {
  DCHECK(!g_current_net_test_suite);
  g_current_net_test_suite = this;
}

NetTestSuite::~NetTestSuite() {
  DCHECK_EQ(g_current_net_test_suite, this);
  g_current_net_test_suite = nullptr;
}

void NetTestSuite::Initialize() {
  TestSuite::Initialize();
  InitializeTestThread();
}

void NetTestSuite::Shutdown() {
  // We want to destroy this here before the TestSuite continues to tear down
  // the environment.
  scoped_task_environment_.reset();

  TestSuite::Shutdown();
}

// static
base::test::ScopedTaskEnvironment* NetTestSuite::GetScopedTaskEnvironment() {
  DCHECK(g_current_net_test_suite);
  return g_current_net_test_suite->scoped_task_environment_.get();
}

// static
void NetTestSuite::SetScopedTaskEnvironment(
    base::test::ScopedTaskEnvironment::MainThreadType type) {
  g_current_net_test_suite->scoped_task_environment_ = nullptr;
  g_current_net_test_suite->scoped_task_environment_ =
      std::make_unique<base::test::ScopedTaskEnvironment>(type);
}

// static
void NetTestSuite::ResetScopedTaskEnvironment() {
  SetScopedTaskEnvironment(kDefaultMainThreadType);
}

void NetTestSuite::InitializeTestThread() {
  network_change_notifier_.reset(net::NetworkChangeNotifier::CreateMock());

  InitializeTestThreadNoNetworkChangeNotifier();
}

void NetTestSuite::InitializeTestThreadNoNetworkChangeNotifier() {
  host_resolver_proc_ = new net::RuleBasedHostResolverProc(NULL);
  scoped_host_resolver_proc_.Init(host_resolver_proc_.get());
  // In case any attempts are made to resolve host names, force them all to
  // be mapped to localhost.  This prevents DNS queries from being sent in
  // the process of running these unit tests.
  host_resolver_proc_->AddRule("*", "127.0.0.1");

  scoped_task_environment_ =
      std::make_unique<base::test::ScopedTaskEnvironment>(
          kDefaultMainThreadType);
}