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url_request_quic_unittest.cc
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// Copyright 2016 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 <memory>
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/run_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "net/base/load_timing_info.h"
#include "net/base/network_delegate.h"
#include "net/cert/mock_cert_verifier.h"
#include "net/dns/mapped_host_resolver.h"
#include "net/dns/mock_host_resolver.h"
#include "net/quic/chromium/crypto/proof_source_chromium.h"
#include "net/quic/test_tools/crypto_test_utils.h"
#include "net/test/cert_test_util.h"
#include "net/test/gtest_util.h"
#include "net/test/test_data_directory.h"
#include "net/tools/quic/quic_http_response_cache.h"
#include "net/tools/quic/quic_simple_server.h"
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_test_util.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace net {
namespace {
// This must match the certificate used (quic_test.example.com.crt and
// quic_test.example.com.key.pkcs8).
const int kTestServerPort = 6121;
const char kTestServerHost[] = "test.example.com";
// Used as a simple response from the server.
const char kHelloPath[] = "/hello.txt";
const char kHelloBodyValue[] = "Hello from QUIC Server";
const int kHelloStatus = 200;
class URLRequestQuicTest : public ::testing::Test {
protected:
URLRequestQuicTest() : context_(new TestURLRequestContext(true)) {
StartQuicServer();
std::unique_ptr<HttpNetworkSession::Params> params(
new HttpNetworkSession::Params);
CertVerifyResult verify_result;
verify_result.verified_cert = ImportCertFromFile(
GetTestCertsDirectory(), "quic_test.example.com.crt");
cert_verifier_.AddResultForCertAndHost(verify_result.verified_cert.get(),
"test.example.com", verify_result,
OK);
verify_result.verified_cert = ImportCertFromFile(
GetTestCertsDirectory(), "quic_test_ecc.example.com.crt");
cert_verifier_.AddResultForCertAndHost(verify_result.verified_cert.get(),
"test.example.com", verify_result,
OK);
// To simplify the test, and avoid the race with the HTTP request, we force
// QUIC for these requests.
params->origins_to_force_quic_on.insert(HostPortPair(kTestServerHost, 443));
params->cert_verifier = &cert_verifier_;
params->enable_quic = true;
context_->set_host_resolver(host_resolver_.get());
context_->set_http_network_session_params(std::move(params));
context_->set_cert_verifier(&cert_verifier_);
}
void TearDown() override {
if (server_)
server_->Shutdown();
}
// Sets a NetworkDelegate to use for |context_|. Must be done before Init().
void SetNetworkDelegate(NetworkDelegate* network_delegate) {
context_->set_network_delegate(network_delegate);
}
// Initializes the TestURLRequestContext |context_|.
void Init() { context_->Init(); }
std::unique_ptr<URLRequest> CreateRequest(const GURL& url,
RequestPriority priority,
URLRequest::Delegate* delegate) {
return context_->CreateRequest(url, priority, delegate);
}
private:
void StartQuicServer() {
// Set up in-memory cache.
response_cache_.AddSimpleResponse(kTestServerHost, kHelloPath, kHelloStatus,
kHelloBodyValue);
net::QuicConfig config;
// Set up server certs.
std::unique_ptr<net::ProofSourceChromium> proof_source(
new net::ProofSourceChromium());
base::FilePath directory = GetTestCertsDirectory();
CHECK(proof_source->Initialize(
directory.Append(FILE_PATH_LITERAL("quic_test.example.com.crt")),
directory.Append(FILE_PATH_LITERAL("quic_test.example.com.key.pkcs8")),
directory.Append(FILE_PATH_LITERAL("quic_test.example.com.key.sct"))));
server_.reset(new QuicSimpleServer(
test::crypto_test_utils::ProofSourceForTesting(), config,
net::QuicCryptoServerConfig::ConfigOptions(), AllSupportedVersions(),
&response_cache_));
int rv = server_->Listen(
net::IPEndPoint(net::IPAddress::IPv4AllZeros(), kTestServerPort));
EXPECT_GE(rv, 0) << "Quic server fails to start";
std::unique_ptr<MockHostResolver> resolver(new MockHostResolver());
resolver->rules()->AddRule("test.example.com", "127.0.0.1");
host_resolver_.reset(new MappedHostResolver(std::move(resolver)));
// Use a mapped host resolver so that request for test.example.com
// reach the server running on localhost.
std::string map_rule = "MAP test.example.com test.example.com:" +
base::IntToString(server_->server_address().port());
EXPECT_TRUE(host_resolver_->AddRuleFromString(map_rule));
}
std::unique_ptr<MappedHostResolver> host_resolver_;
std::unique_ptr<QuicSimpleServer> server_;
std::unique_ptr<TestURLRequestContext> context_;
QuicHttpResponseCache response_cache_;
MockCertVerifier cert_verifier_;
};
// A URLRequest::Delegate that checks LoadTimingInfo when response headers are
// received.
class CheckLoadTimingDelegate : public TestDelegate {
public:
CheckLoadTimingDelegate(bool session_reused)
: session_reused_(session_reused) {}
void OnResponseStarted(URLRequest* request, int error) override {
TestDelegate::OnResponseStarted(request, error);
LoadTimingInfo load_timing_info;
request->GetLoadTimingInfo(&load_timing_info);
assertLoadTimingValid(load_timing_info, session_reused_);
}
private:
void assertLoadTimingValid(const LoadTimingInfo& load_timing_info,
bool session_reused) {
EXPECT_EQ(session_reused, load_timing_info.socket_reused);
// If |session_reused| is true, these fields should all be null, non-null
// otherwise.
EXPECT_EQ(session_reused,
load_timing_info.connect_timing.connect_start.is_null());
EXPECT_EQ(session_reused,
load_timing_info.connect_timing.connect_end.is_null());
EXPECT_EQ(session_reused,
load_timing_info.connect_timing.ssl_start.is_null());
EXPECT_EQ(session_reused,
load_timing_info.connect_timing.ssl_end.is_null());
EXPECT_EQ(load_timing_info.connect_timing.connect_start,
load_timing_info.connect_timing.ssl_start);
EXPECT_EQ(load_timing_info.connect_timing.connect_end,
load_timing_info.connect_timing.ssl_end);
EXPECT_EQ(session_reused,
load_timing_info.connect_timing.dns_start.is_null());
EXPECT_EQ(session_reused,
load_timing_info.connect_timing.dns_end.is_null());
}
bool session_reused_;
DISALLOW_COPY_AND_ASSIGN(CheckLoadTimingDelegate);
};
// A TestNetworkDelegate that invokes |all_requests_completed_callback| when
// |num_expected_requests| requests are completed.
class WaitForCompletionNetworkDelegate : public net::TestNetworkDelegate {
public:
WaitForCompletionNetworkDelegate(
const base::Closure& all_requests_completed_callback,
size_t num_expected_requests)
: all_requests_completed_callback_(all_requests_completed_callback),
num_expected_requests_(num_expected_requests) {}
void OnCompleted(URLRequest* request, bool started, int net_error) override {
net::TestNetworkDelegate::OnCompleted(request, started, net_error);
num_expected_requests_--;
if (num_expected_requests_ == 0)
all_requests_completed_callback_.Run();
}
private:
const base::Closure all_requests_completed_callback_;
size_t num_expected_requests_;
DISALLOW_COPY_AND_ASSIGN(WaitForCompletionNetworkDelegate);
};
} // namespace
TEST_F(URLRequestQuicTest, TestGetRequest) {
Init();
CheckLoadTimingDelegate delegate(false);
std::string url =
base::StringPrintf("https://%s%s", kTestServerHost, kHelloPath);
std::unique_ptr<URLRequest> request =
CreateRequest(GURL(url), DEFAULT_PRIORITY, &delegate);
request->Start();
ASSERT_TRUE(request->is_pending());
base::RunLoop().Run();
EXPECT_TRUE(request->status().is_success());
EXPECT_EQ(kHelloBodyValue, delegate.data_received());
}
// Tests that if two requests use the same QUIC session, the second request
// should not have |LoadTimingInfo::connect_timing|.
TEST_F(URLRequestQuicTest, TestTwoRequests) {
base::RunLoop run_loop;
WaitForCompletionNetworkDelegate network_delegate(
run_loop.QuitClosure(), /*num_expected_requests=*/2);
SetNetworkDelegate(&network_delegate);
Init();
CheckLoadTimingDelegate delegate(false);
delegate.set_quit_on_complete(false);
std::string url =
base::StringPrintf("https://%s%s", kTestServerHost, kHelloPath);
std::unique_ptr<URLRequest> request =
CreateRequest(GURL(url), DEFAULT_PRIORITY, &delegate);
CheckLoadTimingDelegate delegate2(true);
delegate2.set_quit_on_complete(false);
std::unique_ptr<URLRequest> request2 =
CreateRequest(GURL(url), DEFAULT_PRIORITY, &delegate2);
request->Start();
request2->Start();
ASSERT_TRUE(request->is_pending());
ASSERT_TRUE(request2->is_pending());
run_loop.Run();
EXPECT_TRUE(request->status().is_success());
EXPECT_TRUE(request2->status().is_success());
EXPECT_EQ(kHelloBodyValue, delegate.data_received());
EXPECT_EQ(kHelloBodyValue, delegate2.data_received());
}
} // namespace net