Add a server push disabled test.

net/tools/quic/end_to_end_test.cc

 // 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 <stddef.h>
 #include <sys/epoll.h>
 
 #include <list>
 #include <memory>
 #include <string>
@@ skipping 236 matching lines @@
 
 class EndToEndTest : public ::testing::TestWithParam<TestParams> {
  protected:
   EndToEndTest()
       : initialized_(false),
         server_address_(IPEndPoint(Loopback4(), 0)),
         server_hostname_("example.com"),
         server_started_(false),
         strike_register_no_startup_period_(false),
         chlo_multiplier_(0),
-        stream_factory_(nullptr) {
+        stream_factory_(nullptr),
+        support_server_push_(false) {
     client_supported_versions_ = GetParam().client_supported_versions;
     server_supported_versions_ = GetParam().server_supported_versions;
     negotiated_version_ = GetParam().negotiated_version;
 
     VLOG(1) << "Using Configuration: " << GetParam();
 
     // Use different flow control windows for client/server.
     client_config_.SetInitialStreamFlowControlWindowToSend(
         2 * kInitialStreamFlowControlWindowForTest);
     client_config_.SetInitialSessionFlowControlWindowToSend(
@@ skipping 68 matching lines @@
     return &session->connection()->sent_packet_manager();
   }
 
   bool Initialize() {
     QuicTagVector copt;
     server_config_.SetConnectionOptionsToSend(copt);
 
     // TODO(nimia): Consider setting the congestion control algorithm for the
     // client as well according to the test parameter.
     copt.push_back(GetParam().congestion_control_tag);
-    copt.push_back(kSPSH);
-
+    if (support_server_push_) {
+      copt.push_back(kSPSH);
+    }
     if (GetParam().client_supports_stateless_rejects) {
       copt.push_back(kSREJ);
     }
     client_config_.SetConnectionOptionsToSend(copt);
 
     // Start the server first, because CreateQuicClient() attempts
     // to connect to the server.
     StartServer();
 
     client_.reset(CreateQuicClient(client_writer_));
@@ skipping 158 matching lines @@
   PacketDroppingTestWriter* server_writer_;
   bool server_started_;
   QuicConfig client_config_;
   QuicConfig server_config_;
   QuicVersionVector client_supported_versions_;
   QuicVersionVector server_supported_versions_;
   QuicVersion negotiated_version_;
   bool strike_register_no_startup_period_;
   size_t chlo_multiplier_;
   QuicTestServer::StreamFactory* stream_factory_;
+  bool support_server_push_;
 };
 
 // Run all end to end tests with all supported versions.
 INSTANTIATE_TEST_CASE_P(EndToEndTests,
                         EndToEndTest,
                         ::testing::ValuesIn(GetTestParams()));
 
 TEST_P(EndToEndTest, SimpleRequestResponse) {
   ASSERT_TRUE(Initialize());
 
@@ skipping 1757 matching lines @@
   EXPECT_EQ(trailers, client_->response_trailers());
 }
 
 class EndToEndTestServerPush : public EndToEndTest {
  protected:
   const size_t kNumMaxStreams = 10;
 
   EndToEndTestServerPush() : EndToEndTest() {
     FLAGS_quic_supports_push_promise = true;
     client_config_.SetMaxStreamsPerConnection(kNumMaxStreams, kNumMaxStreams);
+    support_server_push_ = true;
   }
 
   // Add a request with its response and |num_resources| push resources into
   // cache.
   // If |resource_size| == 0, response body of push resources use default string
   // concatenating with resource url. Otherwise, generate a string of
   // |resource_size| as body.
   void AddRequestAndResponseWithServerPush(string host,
                                            string path,
                                            string response_body,
@@ skipping 227 matching lines @@
   }
 
   // Because of server push, client gets all pushed resources without actually
   // sending requests for them.
   EXPECT_EQ(1u, client_->num_requests());
   // Including response to original request, 12 responses in total were
   // recieved.
   EXPECT_EQ(12u, client_->num_responses());
 }
 
+TEST_P(EndToEndTestServerPush, DisabledWithoutConnectionOption) {
+  // Tests that server push won't be triggered when kSPSH is not set by client.
+  support_server_push_ = false;
+  ASSERT_TRUE(Initialize());
+
+  // Add a response with headers, body, and push resources.
+  const string kBody = "body content";
+  size_t const kNumResources = 4;
+  string push_urls[] = {
+      "https://example.com/font.woff", "https://example.com/script.js",
+      "https://fonts.example.com/font.woff",
+      "https://example.com/logo-hires.jpg",
+  };
+  AddRequestAndResponseWithServerPush("example.com", "/push_example", kBody,
+                                      push_urls, kNumResources, 0);
+  client_->client()->set_response_listener(new TestResponseListener);
+  EXPECT_EQ(kBody, client_->SendSynchronousRequest(
+                       "https://example.com/push_example"));
+
+  for (const string& url : push_urls) {
+    // Sending subsequent requests will trigger sending real requests because
+    // client doesn't support server push.
+    const string expected_body = "This is server push response body for " + url;
+    const string response_body = client_->SendSynchronousRequest(url);
+    EXPECT_EQ(expected_body, response_body);
+  }
+  // Same number of requests are sent as that of responses received.
+  EXPECT_EQ(1 + kNumResources, client_->num_requests());
+  EXPECT_EQ(1 + kNumResources, client_->num_responses());
+}
+
 // TODO(fayang): this test seems to cause net_unittests timeouts :|
 TEST_P(EndToEndTest, DISABLED_TestHugePostWithPacketLoss) {
   // This test tests a huge post with introduced packet loss from client to
   // server and body size greater than 4GB, making sure QUIC code does not break
   // for 32-bit builds.
   ServerStreamThatDropsBodyFactory stream_factory;
   SetSpdyStreamFactory(&stream_factory);
   ASSERT_TRUE(Initialize());
   // Set client's epoll server's time out to 0 to make this test be finished
   // within a short time.
@@ skipping 55 matching lines @@
   client_->client()->WaitForCryptoHandshakeConfirmed();
   SetPacketLossPercentage(1);
   client_->SendRequest("/huge_response");
   client_->WaitForResponse();
   VerifyCleanConnection(false);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net