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 base::CommandLine& command_line =
  50       *base::CommandLine::ForCurrentProcess();
  51   EnableBlinkPlatformLogChannels(
  52       command_line.GetSwitchValueASCII(switches::kBlinkPlatformLogChannels));
  53 }
  54
  55 class TestEnvironment {
  56  public:
  57 #if defined(OS_ANDROID)
  58   // Android UI message loop goes through Java, so don't use it in tests.
  59   typedef base::MessageLoop MessageLoopType;
  60 #else
  61   typedef base::MessageLoopForUI MessageLoopType;
  62 #endif
  63
  64   TestEnvironment() {
  65     main_message_loop_.reset(new MessageLoopType);
  66
  67     // TestBlinkWebUnitTestSupport must be instantiated after MessageLoopType.
  68     blink_test_support_.reset(new TestBlinkWebUnitTestSupport);
  69     content_initializer_.reset(new content::TestContentClientInitializer());
  70   }
  71
  72   ~TestEnvironment() {
  73   }
  74
  75   TestBlinkWebUnitTestSupport* blink_platform_impl() const {
  76     return blink_test_support_.get();
  77   }
  78
  79  private:
  80   scoped_ptr<MessageLoopType> main_message_loop_;
  81   scoped_ptr<TestBlinkWebUnitTestSupport> blink_test_support_;
  82   scoped_ptr<TestContentClientInitializer> content_initializer_;
  83 };
  84
  85 TestEnvironment* test_environment;
  86
  87 }  // namespace
  88
  89 void SetUpBlinkTestEnvironment() {
  90   ParseBlinkCommandLineArgumentsForUnitTests();
  91
  92   blink::WebRuntimeFeatures::enableExperimentalFeatures(true);
  93   blink::WebRuntimeFeatures::enableTestOnlyFeatures(true);
  94
  95 #if defined(OS_ANDROID)
  96   JNIEnv* env = base::android::AttachCurrentThread();
  97   net::android::RegisterNetworkLibrary(env);
  98 #endif
  99
 100 #if defined(OS_MACOSX)
 101   mock_cr_app::RegisterMockCrApp();
 102 #endif
 103
 104 #if defined(OS_WIN)
 105   gfx::InitDeviceScaleFactor(1.0f);
 106 #endif
 107
 108   // Explicitly initialize the GURL library before spawning any threads.
 109   // Otherwise crash may happend when different threads try to create a GURL
 110   // at same time.
 111   url::Initialize();
 112   test_environment = new TestEnvironment;
 113 }
 114
 115 void TearDownBlinkTestEnvironment() {
 116   // Flush any remaining messages before we kill ourselves.
 117   // http://code.google.com/p/chromium/issues/detail?id=9500
 118   base::RunLoop().RunUntilIdle();
 119
 120   if (RunningOnValgrind())
 121     blink::WebCache::clear();
 122   delete test_environment;
 123   test_environment = NULL;
 124 }
 125
 126 }  // namespace content