content/test/blink_test_environment.cc

   1 // Copyright 2014 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 "content/test/blink_test_environment.h"
   6
   7 #include <string>
   8
   9 #include "base/command_line.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "base/run_loop.h"
  12 #include "base/strings/string_tokenizer.h"
  13 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
  14 #include "content/public/common/content_switches.h"
  15 #include "content/public/common/user_agent.h"
  16 #include "content/public/test/test_content_client_initializer.h"
  17 #include "content/test/test_blink_web_unit_test_support.h"
  18 #include "third_party/WebKit/public/web/WebCache.h"
  19 #include "third_party/WebKit/public/web/WebKit.h"
  20 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
  21 #include "url/url_util.h"
  22
  23 #if defined(OS_WIN)
  24 #include "ui/gfx/win/dpi.h"
  25 #endif
  26
  27 #if defined(OS_ANDROID)
  28 #include "base/android/jni_android.h"
  29 #include "net/android/network_library.h"
  30 #endif
  31
  32 #if defined(OS_MACOSX)
  33 #include "base/test/mock_chrome_application_mac.h"
  34 #endif
  35
  36 namespace content {
  37
  38 namespace {
  39
  40 void EnableBlinkPlatformLogChannels(const std::string& channels) {
  41   if (channels.empty())
  42     return;
  43   base::StringTokenizer t(channels, ", ");
  44   while (t.GetNext())
  45     blink::enableLogChannel(t.token().c_str());
  46 }
  47
  48 void ParseBlinkCommandLineArgumentsForUnitTests() {
  49   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
  50   EnableBlinkPlatformLogChannels(
  51       command_line.GetSwitchValueASCII(switches::kBlinkPlatformLogChannels));
  52 }
  53
  54 class TestEnvironment {
  55  public:
  56 #if defined(OS_ANDROID)
  57   // Android UI message loop goes through Java, so don't use it in tests.
  58   typedef base::MessageLoop MessageLoopType;
  59 #else
  60   typedef base::MessageLoopForUI MessageLoopType;
  61 #endif
  62
  63   TestEnvironment() {
  64     main_message_loop_.reset(new MessageLoopType);
  65
  66     // TestBlinkWebUnitTestSupport must be instantiated after MessageLoopType.
  67     blink_test_support_.reset(new TestBlinkWebUnitTestSupport);
  68     content_initializer_.reset(new content::TestContentClientInitializer());
  69   }
  70
  71   ~TestEnvironment() {
  72   }
  73
  74   TestBlinkWebUnitTestSupport* blink_platform_impl() const {
  75     return blink_test_support_.get();
  76   }
  77
  78  private:
  79   scoped_ptr<MessageLoopType> main_message_loop_;
  80   scoped_ptr<TestBlinkWebUnitTestSupport> blink_test_support_;
  81   scoped_ptr<TestContentClientInitializer> content_initializer_;
  82 };
  83
  84 TestEnvironment* test_environment;
  85
  86 }  // namespace
  87
  88 void SetUpBlinkTestEnvironment() {
  89   ParseBlinkCommandLineArgumentsForUnitTests();
  90
  91   blink::WebRuntimeFeatures::enableExperimentalFeatures(true);
  92   blink::WebRuntimeFeatures::enableTestOnlyFeatures(true);
  93
  94 #if defined(OS_ANDROID)
  95   JNIEnv* env = base::android::AttachCurrentThread();
  96   net::android::RegisterNetworkLibrary(env);
  97 #endif
  98
  99 #if defined(OS_MACOSX)
 100   mock_cr_app::RegisterMockCrApp();
 101 #endif
 102
 103 #if defined(OS_WIN)
 104   gfx::InitDeviceScaleFactor(1.0f);
 105 #endif
 106
 107   // Explicitly initialize the GURL library before spawning any threads.
 108   // Otherwise crash may happend when different threads try to create a GURL
 109   // at same time.
 110   url::Initialize();
 111   test_environment = new TestEnvironment;
 112 }
 113
 114 void TearDownBlinkTestEnvironment() {
 115   // Flush any remaining messages before we kill ourselves.
 116   // http://code.google.com/p/chromium/issues/detail?id=9500
 117   base::RunLoop().RunUntilIdle();
 118
 119   if (RunningOnValgrind())
 120     blink::WebCache::clear();
 121   delete test_environment;
 122   test_environment = NULL;
 123 }
 124
 125 }  // namespace content