GRPC Stream implementation of HeliumStream

blimp/engine/browser_tests/blimp_browser_test.cc

 // 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 "blimp/engine/browser_tests/blimp_browser_test.h"
 
 #include <string>
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "blimp/client/core/session/assignment_source.h"
 #include "blimp/client/core/switches/blimp_client_switches.h"
+#include "blimp/common/assignment_options.h"
 #include "blimp/common/switches.h"
 #include "blimp/engine/app/blimp_browser_main_parts.h"
 #include "blimp/engine/app/blimp_content_browser_client.h"
 #include "blimp/engine/app/blimp_engine_config.h"
 #include "blimp/engine/app/switches.h"
 #include "blimp/engine/app/test_content_main_delegate.h"
 #include "blimp/engine/session/blimp_engine_session.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/test_utils.h"
 
 namespace blimp {
 namespace {
 const char kTestDataFilePath[] = "blimp/test/data";
 const char kClientAuthTokenFilePath[] = "blimp/test/data/test_client_token";
 const char kClientAuthToken[] = "MyVoiceIsMyPassport";
 }  // namespace
 
 BlimpBrowserTest::BlimpBrowserTest()
-    : engine_port_(0),
-      completion_event_(base::WaitableEvent::ResetPolicy::MANUAL,
+    : completion_event_(base::WaitableEvent::ResetPolicy::MANUAL,
                         base::WaitableEvent::InitialState::NOT_SIGNALED) {
   CreateTestServer(base::FilePath(FILE_PATH_LITERAL(kTestDataFilePath)));
 }
 
 BlimpBrowserTest::~BlimpBrowserTest() {}
 
+extern bool UsesGrpc();
+
+// Lets the same set of browser_tests run with different protocols.
+client::Assignment::TransportProtocol GetAssignmentProtocol() {
+  if (UsesGrpc()) {
+    return client::Assignment::TransportProtocol::GRPC;
+  } else {
+    return client::Assignment::TransportProtocol::TCP;
+  }
+}
+
 void BlimpBrowserTest::RunUntilCompletion() {
   while (!completion_event_.IsSignaled()) {
     content::RunAllPendingInMessageLoop(content::BrowserThread::IO);
     content::RunAllPendingInMessageLoop(content::BrowserThread::UI);
   }
   completion_event_.Reset();
 }
 
 void BlimpBrowserTest::AllowUIWaits() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
@@ skipping 14 matching lines @@
 engine::BlimpEngineSession* BlimpBrowserTest::GetEngineSession() {
   return engine::TestContentMainDelegate::GetInstance()
       ->browser_client()
       ->blimp_browser_main_parts()
       ->GetBlimpEngineSession();
 }
 
 client::Assignment BlimpBrowserTest::GetAssignment() {
   client::Assignment assignment;
   assignment.client_auth_token = kClientAuthToken;
-  assignment.engine_endpoint =
-      net::IPEndPoint(net::IPAddress::IPv4Localhost(), engine_port_);
-  assignment.transport_protocol = client::Assignment::TransportProtocol::TCP;
+  assignment.assignment_options = assignment_options_;
+  assignment.transport_protocol = GetAssignmentProtocol();
   return assignment;
 }
 
 void BlimpBrowserTest::SetUpCommandLine(base::CommandLine* command_line) {
   // Engine switches.
   blimp::engine::SetCommandLineDefaults(command_line);
 
   // Pass through the engine port if it is passed to the test.
   // Otherwise, use a dynamic port.
   if (!command_line->HasSwitch(blimp::engine::kEnginePort)) {
     command_line->AppendSwitchASCII(blimp::engine::kEnginePort, "0");
   }
 
-  // TODO(perumaal): Switch to gRPC when it's ready. See crbug.com/659279.
+  switch (GetAssignmentProtocol()) {
+    case client::Assignment::TransportProtocol::TCP:
+      command_line->AppendSwitchASCII(blimp::engine::kEngineTransport,
+                                      blimp::engine::kTcpTransport);
+      break;
+    case client::Assignment::TransportProtocol::GRPC:
+      command_line->AppendSwitchASCII(blimp::engine::kEngineTransport,
+                                      blimp::engine::kGrpcTransport);
+      break;
+    default:
+      LOG(FATAL) << "Unknown transport type: "
+                 << static_cast<int>(GetAssignmentProtocol());
+  }
 
   base::FilePath src_root;
   PathService::Get(base::DIR_SOURCE_ROOT, &src_root);
   command_line->AppendSwitchASCII(
       kClientAuthTokenPath, src_root.Append(kClientAuthTokenFilePath).value());
 }
 
 void BlimpBrowserTest::SetUpOnMainThread() {
   // Get the connection's port number across the IO/UI thread boundary.
-  GetEngineSession()->GetEnginePortForTesting(base::Bind(
-      &BlimpBrowserTest::OnGetEnginePortCompletion, base::Unretained(this)));
+  GetEngineSession()->GetAssignmentOptions(base::Bind(
+      &BlimpBrowserTest::OnGetEngineSetupCompletion, base::Unretained(this)));
 
   RunUntilCompletion();
 }
 
 void BlimpBrowserTest::TearDownOnMainThread() {
   allow_ui_waits_.reset();
   base::MessageLoop::current()->QuitWhenIdle();
 }
 
 void BlimpBrowserTest::RunTestOnMainThreadLoop() {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   SetUpOnMainThread();
   RunTestOnMainThread();
   TearDownOnMainThread();
 
   for (content::RenderProcessHost::iterator i(
            content::RenderProcessHost::AllHostsIterator());
        !i.IsAtEnd(); i.Advance()) {
     i.GetCurrentValue()->FastShutdownIfPossible();
   }
 }
 
-void BlimpBrowserTest::OnGetEnginePortCompletion(uint16_t port) {
-  engine_port_ = port;
+void BlimpBrowserTest::OnGetEngineSetupCompletion(
+    AssignmentOptions assignment_options) {
+  assignment_options_ = assignment_options;
   SignalCompletion();
 }
 
 }  // namespace blimp