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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 "chrome/browser/net/connection_tester.h"
#include "base/prefs/testing_pref_service.h"
#include "content/public/browser/cookie_store_factory.h"
#include "content/public/test/test_browser_thread.h"
#include "content/public/browser/cookie_store_factory.h"
#include "net/cert/mock_cert_verifier.h"
#include "net/dns/mock_host_resolver.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/http/http_server_properties_impl.h"
#include "net/http/transport_security_state.h"
#include "net/proxy/proxy_config_service_fixed.h"
#include "net/proxy/proxy_service.h"
#include "net/ssl/ssl_config_service_defaults.h"
#include "net/test/spawned_test_server/spawned_test_server.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
using content::BrowserThread;
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) {
}
void OnStartConnectionTestSuite() override {
start_connection_test_suite_count_++;
}
void OnStartConnectionTestExperiment(
const ConnectionTester::Experiment& experiment) override {
start_connection_test_experiment_count_++;
}
void OnCompletedConnectionTestExperiment(
const ConnectionTester::Experiment& experiment,
int result) override {
completed_connection_test_experiment_count_++;
}
void OnCompletedConnectionTestSuite() override {
completed_connection_test_suite_count_++;
base::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()
: io_thread_(BrowserThread::IO, &message_loop_),
test_server_(net::SpawnedTestServer::TYPE_HTTP,
net::SpawnedTestServer::kLocalhost,
// Nothing is read in this directory.
base::FilePath(FILE_PATH_LITERAL("chrome"))) {
}
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.
base::MessageLoopForIO message_loop_;
content::TestBrowserThread io_thread_;
net::SpawnedTestServer test_server_;
net::TestURLRequestContext proxy_script_fetcher_context_;
ConnectionTesterDelegate test_delegate_;
};
TEST_F(ConnectionTesterTest, RunAllTests) {
ASSERT_TRUE(test_server_.Start());
ConnectionTester tester(&test_delegate_,
&proxy_script_fetcher_context_,
NULL);
// 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.
base::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_,
NULL));
// Start the test suite on URL "echoall".
// TODO(eroman): Is this URL right?
tester->RunAllTests(test_server_.GetURL("echoall"));
// Don't run the message loop at all. Otherwise the experiment's request may
// complete and post a task to run the next experiment before we quit the
// message loop.
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.
base::MessageLoop::current()->PostTask(FROM_HERE,
base::MessageLoop::QuitClosure());
base::MessageLoop::current()->Run();
}
} // namespace
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