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// Copyright (c) 2010 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 "net/base/mock_host_resolver.h"
#include "net/url_request/url_request_unittest.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) {
scoped_refptr<net::RuleBasedHostResolverProc> catchall_resolver =
new net::RuleBasedHostResolverProc(NULL);
catchall_resolver->AddRule("*", "127.0.0.1");
scoped_host_resolver_proc_.Init(catchall_resolver);
}
protected:
net::ScopedDefaultHostResolverProc scoped_host_resolver_proc_;
ConnectionTesterDelegate test_delegate_;
MessageLoop message_loop_;
};
TEST_F(ConnectionTesterTest, RunAllTests) {
scoped_refptr<HTTPTestServer> server =
HTTPTestServer::CreateForkingServer(L"net/data/url_request_unittest/");
ConnectionTester tester(&test_delegate_);
// Start the test suite on URL "echoall".
// TODO(eroman): Is this URL right?
GURL url = server->TestServerPage("echoall");
tester.RunAllTests(url);
// 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) {
scoped_refptr<HTTPTestServer> server =
HTTPTestServer::CreateForkingServer(L"net/data/url_request_unittest/");
scoped_ptr<ConnectionTester> tester(new ConnectionTester(&test_delegate_));
// Start the test suite on URL "echoall".
// TODO(eroman): Is this URL right?
GURL url = server->TestServerPage("echoall");
tester->RunAllTests(url);
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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