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/test/test_discardable_memory_allocator.h"
  14 #include "base/third_party/dynamic_annotations/dynamic_annotations.h"
  15 #include "content/public/common/content_switches.h"
  16 #include "content/public/common/user_agent.h"
  17 #include "content/public/test/test_content_client_initializer.h"
  18 #include "content/test/test_blink_web_unit_test_support.h"
  19 #include "third_party/WebKit/public/web/WebCache.h"
  20 #include "third_party/WebKit/public/web/WebKit.h"
  21 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
  22 #include "url/url_util.h"
  23
  24 #if defined(OS_WIN)
  25 #include "ui/gfx/win/dpi.h"
  26 #endif
  27
  28 #if defined(OS_ANDROID)
  29 #include "base/android/jni_android.h"
  30 #include "net/android/network_library.h"
  31 #endif
  32
  33 #if defined(OS_MACOSX)
  34 #include "base/test/mock_chrome_application_mac.h"
  35 #endif
  36
  37 namespace content {
  38
  39 namespace {
  40
  41 void EnableBlinkPlatformLogChannels(const std::string& channels) {
  42   if (channels.empty())
  43     return;
  44   base::StringTokenizer t(channels, ", ");
  45   while (t.GetNext())
  46     blink::enableLogChannel(t.token().c_str());
  47 }
  48
  49 void ParseBlinkCommandLineArgumentsForUnitTests() {
  50   const base::CommandLine& command_line =
  51       *base::CommandLine::ForCurrentProcess();
  52   EnableBlinkPlatformLogChannels(
  53       command_line.GetSwitchValueASCII(switches::kBlinkPlatformLogChannels));
  54 }
  55
  56 class TestEnvironment {
  57  public:
  58 #if defined(OS_ANDROID)
  59   // Android UI message loop goes through Java, so don't use it in tests.
  60   typedef base::MessageLoop MessageLoopType;
  61 #else
  62   typedef base::MessageLoopForUI MessageLoopType;
  63 #endif
  64
  65   TestEnvironment() {
  66     main_message_loop_.reset(new MessageLoopType);
  67
  68     // TestBlinkWebUnitTestSupport must be instantiated after MessageLoopType.
  69     blink_test_support_.reset(new TestBlinkWebUnitTestSupport);
  70     content_initializer_.reset(new content::TestContentClientInitializer());
  71
  72     base::DiscardableMemoryAllocator::SetInstance(
  73         &discardable_memory_allocator_);
  74   }
  75
  76   ~TestEnvironment() {
  77   }
  78
  79   TestBlinkWebUnitTestSupport* blink_platform_impl() const {
  80     return blink_test_support_.get();
  81   }
  82
  83  private:
  84   scoped_ptr<MessageLoopType> main_message_loop_;
  85   scoped_ptr<TestBlinkWebUnitTestSupport> blink_test_support_;
  86   scoped_ptr<TestContentClientInitializer> content_initializer_;
  87   base::TestDiscardableMemoryAllocator discardable_memory_allocator_;
  88 };
  89
  90 TestEnvironment* test_environment;
  91
  92 }  // namespace
  93
  94 void SetUpBlinkTestEnvironment() {
  95   ParseBlinkCommandLineArgumentsForUnitTests();
  96
  97   blink::WebRuntimeFeatures::enableExperimentalFeatures(true);
  98   blink::WebRuntimeFeatures::enableTestOnlyFeatures(true);
  99
 100 #if defined(OS_ANDROID)
 101   JNIEnv* env = base::android::AttachCurrentThread();
 102   net::android::RegisterNetworkLibrary(env);
 103 #endif
 104
 105 #if defined(OS_MACOSX)
 106   mock_cr_app::RegisterMockCrApp();
 107 #endif
 108
 109 #if defined(OS_WIN)
 110   gfx::InitDeviceScaleFactor(1.0f);
 111 #endif
 112
 113   // Explicitly initialize the GURL library before spawning any threads.
 114   // Otherwise crash may happend when different threads try to create a GURL
 115   // at same time.
 116   url::Initialize();
 117   test_environment = new TestEnvironment;
 118 }
 119
 120 void TearDownBlinkTestEnvironment() {
 121   // Flush any remaining messages before we kill ourselves.
 122   // http://code.google.com/p/chromium/issues/detail?id=9500
 123   base::RunLoop().RunUntilIdle();
 124
 125   if (RunningOnValgrind())
 126     blink::WebCache::clear();
 127   delete test_environment;
 128   test_environment = NULL;
 129 }
 130
 131 }  // namespace content