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// Copyright (c) 2011 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/connection_tester.h"
#include "chrome/test/testing_pref_service.h"
#include "content/browser/browser_thread.h"
#include "net/base/cert_verifier.h"
#include "net/base/cookie_monster.h"
#include "net/base/dnsrr_resolver.h"
#include "net/base/mock_host_resolver.h"
#include "net/base/ssl_config_service_defaults.h"
#include "net/ftp/ftp_network_layer.h"
#include "net/http/http_auth_handler_factory.h"
#include "net/http/http_network_layer.h"
#include "net/http/http_network_session.h"
#include "net/proxy/proxy_config_service_fixed.h"
#include "net/proxy/proxy_service.h"
#include "net/test/test_server.h"
#include "net/url_request/url_request_context.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
namespace {
// This is a testing delegate which simply counts how many times each of
// the delegate's methods were invoked.
class ConnectionTesterDelegate : public ConnectionTester::Delegate {
public:
ConnectionTesterDelegate()
: start_connection_test_suite_count_(0),
start_connection_test_experiment_count_(0),
completed_connection_test_experiment_count_(0),
completed_connection_test_suite_count_(0) {
}
virtual void OnStartConnectionTestSuite() {
start_connection_test_suite_count_++;
}
virtual void OnStartConnectionTestExperiment(
const ConnectionTester::Experiment& experiment) {
start_connection_test_experiment_count_++;
}
virtual void OnCompletedConnectionTestExperiment(
const ConnectionTester::Experiment& experiment,
int result) {
completed_connection_test_experiment_count_++;
}
virtual void OnCompletedConnectionTestSuite() {
completed_connection_test_suite_count_++;
MessageLoop::current()->Quit();
}
int start_connection_test_suite_count() const {
return start_connection_test_suite_count_;
}
int start_connection_test_experiment_count() const {
return start_connection_test_experiment_count_;
}
int completed_connection_test_experiment_count() const {
return completed_connection_test_experiment_count_;
}
int completed_connection_test_suite_count() const {
return completed_connection_test_suite_count_;
}
private:
int start_connection_test_suite_count_;
int start_connection_test_experiment_count_;
int completed_connection_test_experiment_count_;
int completed_connection_test_suite_count_;
};
// The test fixture is responsible for:
// - Making sure each test has an IO loop running
// - Catching any host resolve requests and mapping them to localhost
// (so the test doesn't use any external network dependencies).
class ConnectionTesterTest : public PlatformTest {
public:
ConnectionTesterTest()
: message_loop_(MessageLoop::TYPE_IO),
io_thread_(BrowserThread::IO, &message_loop_),
test_server_(net::TestServer::TYPE_HTTP,
FilePath(FILE_PATH_LITERAL("net/data/url_request_unittest"))),
proxy_script_fetcher_context_(new net::URLRequestContext) {
InitializeRequestContext();
}
protected:
// Destroy last the MessageLoop last to give a chance for objects like
// ObserverListThreadSave to shut down properly. For example,
// SSLClientAuthCache calls RemoveObserver when destroyed, but if the
// MessageLoop is already destroyed, then the RemoveObserver will be a
// no-op, and the ObserverList will contain invalid entries.
MessageLoop message_loop_;
BrowserThread io_thread_;
net::TestServer test_server_;
ConnectionTesterDelegate test_delegate_;
net::MockHostResolver host_resolver_;
net::CertVerifier cert_verifier_;
net::DnsRRResolver dnsrr_resolver_;
scoped_ptr<net::ProxyService> proxy_service_;
scoped_refptr<net::SSLConfigService> ssl_config_service_;
scoped_ptr<net::HttpTransactionFactory> http_transaction_factory_;
net::HttpAuthHandlerRegistryFactory http_auth_handler_factory_;
scoped_refptr<net::URLRequestContext> proxy_script_fetcher_context_;
private:
void InitializeRequestContext() {
proxy_script_fetcher_context_->set_host_resolver(&host_resolver_);
proxy_script_fetcher_context_->set_cert_verifier(&cert_verifier_);
proxy_script_fetcher_context_->set_dnsrr_resolver(&dnsrr_resolver_);
proxy_script_fetcher_context_->set_http_auth_handler_factory(
&http_auth_handler_factory_);
proxy_service_.reset(net::ProxyService::CreateDirect());
proxy_script_fetcher_context_->set_proxy_service(proxy_service_.get());
ssl_config_service_ = new net::SSLConfigServiceDefaults;
net::HttpNetworkSession::Params session_params;
session_params.host_resolver = &host_resolver_;
session_params.cert_verifier = &cert_verifier_;
session_params.dnsrr_resolver = &dnsrr_resolver_;
session_params.http_auth_handler_factory = &http_auth_handler_factory_;
session_params.ssl_config_service = ssl_config_service_;
session_params.proxy_service = proxy_service_.get();
scoped_refptr<net::HttpNetworkSession> network_session(
new net::HttpNetworkSession(session_params));
http_transaction_factory_.reset(
new net::HttpNetworkLayer(network_session));
proxy_script_fetcher_context_->set_http_transaction_factory(
http_transaction_factory_.get());
// In-memory cookie store.
proxy_script_fetcher_context_->set_cookie_store(
new net::CookieMonster(NULL, NULL));
}
};
TEST_F(ConnectionTesterTest, RunAllTests) {
ASSERT_TRUE(test_server_.Start());
ConnectionTester tester(&test_delegate_, proxy_script_fetcher_context_);
// Start the test suite on URL "echoall".
// TODO(eroman): Is this URL right?
tester.RunAllTests(test_server_.GetURL("echoall"));
// Wait for all the tests to complete.
MessageLoop::current()->Run();
const int kNumExperiments =
ConnectionTester::PROXY_EXPERIMENT_COUNT *
ConnectionTester::HOST_RESOLVER_EXPERIMENT_COUNT;
EXPECT_EQ(1, test_delegate_.start_connection_test_suite_count());
EXPECT_EQ(kNumExperiments,
test_delegate_.start_connection_test_experiment_count());
EXPECT_EQ(kNumExperiments,
test_delegate_.completed_connection_test_experiment_count());
EXPECT_EQ(1, test_delegate_.completed_connection_test_suite_count());
}
TEST_F(ConnectionTesterTest, DeleteWhileInProgress) {
ASSERT_TRUE(test_server_.Start());
scoped_ptr<ConnectionTester> tester(
new ConnectionTester(&test_delegate_, proxy_script_fetcher_context_));
// Start the test suite on URL "echoall".
// TODO(eroman): Is this URL right?
tester->RunAllTests(test_server_.GetURL("echoall"));
MessageLoop::current()->RunAllPending();
EXPECT_EQ(1, test_delegate_.start_connection_test_suite_count());
EXPECT_EQ(1, test_delegate_.start_connection_test_experiment_count());
EXPECT_EQ(0, test_delegate_.completed_connection_test_experiment_count());
EXPECT_EQ(0, test_delegate_.completed_connection_test_suite_count());
// Delete the ConnectionTester while it is in progress.
tester.reset();
// Drain the tasks on the message loop.
//
// Note that we cannot simply stop the message loop, since that will delete
// any pending tasks instead of running them. This causes a problem with
// net::ClientSocketPoolBaseHelper, since the "Group" holds a pointer
// |backup_task| that it will try to deref during the destructor, but
// depending on the order that pending tasks were deleted in, it might
// already be invalid! See http://crbug.com/43291.
MessageLoop::current()->PostTask(FROM_HERE, new MessageLoop::QuitTask());
MessageLoop::current()->Run();
}
} // namespace
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