content/browser/devtools/devtools_http_handler_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/files/file_util.h"
   6 #include "base/files/scoped_temp_dir.h"
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/run_loop.h"
   9 #include "base/strings/string_number_conversions.h"
  10 #include "content/browser/browser_thread_impl.h"
  11 #include "content/public/browser/devtools_http_handler.h"
  12 #include "content/public/browser/devtools_http_handler_delegate.h"
  13 #include "content/public/browser/devtools_target.h"
  14 #include "net/base/ip_endpoint.h"
  15 #include "net/base/net_errors.h"
  16 #include "net/socket/server_socket.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 namespace content {
  20 namespace {
  21
  22 const int kDummyPort = 4321;
  23 const base::FilePath::CharType kDevToolsActivePortFileName[] =
  24     FILE_PATH_LITERAL("DevToolsActivePort");
  25
  26 class DummyServerSocket : public net::ServerSocket {
  27  public:
  28   DummyServerSocket() {}
  29
  30   // net::ServerSocket "implementation"
  31   int Listen(const net::IPEndPoint& address, int backlog) override {
  32     return net::OK;
  33   }
  34
  35   int ListenWithAddressAndPort(const std::string& ip_address,
  36                                int port,
  37                                int backlog) override {
  38     return net::OK;
  39   }
  40
  41   int GetLocalAddress(net::IPEndPoint* address) const override {
  42     net::IPAddressNumber number;
  43     EXPECT_TRUE(net::ParseIPLiteralToNumber("127.0.0.1", &number));
  44     *address = net::IPEndPoint(number, kDummyPort);
  45     return net::OK;
  46   }
  47
  48   int Accept(scoped_ptr<net::StreamSocket>* socket,
  49              const net::CompletionCallback& callback) override {
  50     return net::ERR_IO_PENDING;
  51   }
  52 };
  53
  54 class DummyServerSocketFactory
  55     : public DevToolsHttpHandler::ServerSocketFactory {
  56  public:
  57   DummyServerSocketFactory(base::Closure quit_closure_1,
  58                            base::Closure quit_closure_2)
  59       : DevToolsHttpHandler::ServerSocketFactory("", 0, 0),
  60         quit_closure_1_(quit_closure_1),
  61         quit_closure_2_(quit_closure_2) {}
  62
  63   ~DummyServerSocketFactory() override {
  64     BrowserThread::PostTask(
  65         BrowserThread::UI, FROM_HERE, quit_closure_2_);
  66   }
  67
  68  private:
  69   scoped_ptr<net::ServerSocket> Create() const override {
  70     BrowserThread::PostTask(
  71         BrowserThread::UI, FROM_HERE, quit_closure_1_);
  72     return scoped_ptr<net::ServerSocket>(new DummyServerSocket());
  73   }
  74
  75   base::Closure quit_closure_1_;
  76   base::Closure quit_closure_2_;
  77 };
  78
  79 class DummyDelegate : public DevToolsHttpHandlerDelegate {
  80  public:
  81   std::string GetDiscoveryPageHTML() override { return std::string(); }
  82
  83   bool BundlesFrontendResources() override { return true; }
  84
  85   base::FilePath GetDebugFrontendDir() override { return base::FilePath(); }
  86
  87   scoped_ptr<net::StreamListenSocket> CreateSocketForTethering(
  88       net::StreamListenSocket::Delegate* delegate,
  89       std::string* name) override {
  90     return scoped_ptr<net::StreamListenSocket>();
  91   }
  92 };
  93
  94 }
  95
  96 class DevToolsHttpHandlerTest : public testing::Test {
  97  public:
  98   DevToolsHttpHandlerTest()
  99       : ui_thread_(BrowserThread::UI, &message_loop_) {
 100   }
 101
 102  protected:
 103   virtual void SetUp() {
 104     file_thread_.reset(new BrowserThreadImpl(BrowserThread::FILE));
 105     file_thread_->Start();
 106   }
 107
 108   virtual void TearDown() {
 109     file_thread_->Stop();
 110   }
 111
 112  private:
 113   base::MessageLoopForIO message_loop_;
 114   BrowserThreadImpl ui_thread_;
 115   scoped_ptr<BrowserThreadImpl> file_thread_;
 116 };
 117
 118 TEST_F(DevToolsHttpHandlerTest, TestStartStop) {
 119   base::RunLoop run_loop, run_loop_2;
 120   scoped_ptr<DevToolsHttpHandler::ServerSocketFactory> factory(
 121       new DummyServerSocketFactory(run_loop.QuitClosure(),
 122                                    run_loop_2.QuitClosure()));
 123   content::DevToolsHttpHandler* devtools_http_handler_ =
 124       content::DevToolsHttpHandler::Start(factory.Pass(),
 125                                           std::string(),
 126                                           new DummyDelegate(),
 127                                           base::FilePath());
 128   // Our dummy socket factory will post a quit message once the server will
 129   // become ready.
 130   run_loop.Run();
 131   devtools_http_handler_->Stop();
 132   // Make sure the handler actually stops.
 133   run_loop_2.Run();
 134 }
 135
 136 TEST_F(DevToolsHttpHandlerTest, TestDevToolsActivePort) {
 137   base::RunLoop run_loop, run_loop_2;
 138   base::ScopedTempDir temp_dir;
 139   EXPECT_TRUE(temp_dir.CreateUniqueTempDir());
 140   scoped_ptr<DevToolsHttpHandler::ServerSocketFactory> factory(
 141       new DummyServerSocketFactory(run_loop.QuitClosure(),
 142                                    run_loop_2.QuitClosure()));
 143   content::DevToolsHttpHandler* devtools_http_handler_ =
 144       content::DevToolsHttpHandler::Start(factory.Pass(),
 145                                           std::string(),
 146                                           new DummyDelegate(),
 147                                           temp_dir.path());
 148   // Our dummy socket factory will post a quit message once the server will
 149   // become ready.
 150   run_loop.Run();
 151   devtools_http_handler_->Stop();
 152   // Make sure the handler actually stops.
 153   run_loop_2.Run();
 154
 155   // Now make sure the DevToolsActivePort was written into the
 156   // temporary directory and its contents are as expected.
 157   base::FilePath active_port_file = temp_dir.path().Append(
 158       kDevToolsActivePortFileName);
 159   EXPECT_TRUE(base::PathExists(active_port_file));
 160   std::string file_contents;
 161   EXPECT_TRUE(base::ReadFileToString(active_port_file, &file_contents));
 162   int port = 0;
 163   EXPECT_TRUE(base::StringToInt(file_contents, &port));
 164   EXPECT_EQ(kDummyPort, port);
 165 }
 166
 167 }  // namespace content