| /* |
| * Copyright (C) 2014 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_TESTING_TESTING_PLATFORM_SUPPORT_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_TESTING_TESTING_PLATFORM_SUPPORT_H_ |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "base/auto_reset.h" |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "third_party/blink/public/platform/platform.h" |
| #include "third_party/blink/renderer/platform/platform_export.h" |
| #include "third_party/blink/renderer/platform/testing/code_cache_loader_mock.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator.h" |
| #include "third_party/blink/renderer/platform/wtf/assertions.h" |
| |
| namespace base { |
| class TestDiscardableMemoryAllocator; |
| } |
| |
| namespace blink { |
| class WebThread; |
| |
| // A base class to override Platform methods for testing. You can override the |
| // behavior by subclassing TestingPlatformSupport or using |
| // ScopedTestingPlatformSupport (see below). |
| class TestingPlatformSupport : public Platform { |
| public: |
| TestingPlatformSupport(); |
| |
| ~TestingPlatformSupport() override; |
| |
| // Platform: |
| WebString DefaultLocale() override; |
| WebThread* CurrentThread() override; |
| WebBlobRegistry* GetBlobRegistry() override; |
| std::unique_ptr<WebIDBFactory> CreateIdbFactory() override; |
| WebURLLoaderMockFactory* GetURLLoaderMockFactory() override; |
| std::unique_ptr<blink::WebURLLoaderFactory> CreateDefaultURLLoaderFactory() |
| override; |
| std::unique_ptr<CodeCacheLoader> CreateCodeCacheLoader() override { |
| return std::make_unique<CodeCacheLoaderMock>(); |
| } |
| WebData GetDataResource(const char* name) override; |
| InterfaceProvider* GetInterfaceProvider() override; |
| bool IsThreadedAnimationEnabled() override; |
| |
| virtual void RunUntilIdle(); |
| void SetThreadedAnimationEnabled(bool enabled); |
| |
| // Overrides the handling of GetInterface on the platform's associated |
| // interface provider. |
| class ScopedOverrideMojoInterface { |
| public: |
| using GetInterfaceCallback = |
| base::RepeatingCallback<void(const char*, |
| mojo::ScopedMessagePipeHandle)>; |
| explicit ScopedOverrideMojoInterface(GetInterfaceCallback); |
| ~ScopedOverrideMojoInterface(); |
| |
| private: |
| base::AutoReset<GetInterfaceCallback> auto_reset_; |
| }; |
| |
| protected: |
| class TestingInterfaceProvider; |
| |
| Platform* const old_platform_; |
| std::unique_ptr<TestingInterfaceProvider> interface_provider_; |
| |
| private: |
| bool is_threaded_animation_enabled_ = false; |
| |
| DISALLOW_COPY_AND_ASSIGN(TestingPlatformSupport); |
| }; |
| |
| // ScopedTestingPlatformSupport<MyTestingPlatformSupport> can be used to |
| // override Platform::current() with MyTestingPlatformSupport, like this: |
| // |
| // #include |
| // "third_party/blink/renderer/platform/testing/testing_platform_support.h" |
| // |
| // TEST_F(SampleTest, sampleTest) { |
| // ScopedTestingPlatformSupport<MyTestingPlatformSupport> platform; |
| // ... |
| // // You can call methods of MyTestingPlatformSupport. |
| // EXPECT_TRUE(platform->myMethodIsCalled()); |
| // |
| // // Another instance can be nested. |
| // { |
| // // Constructor's arguments can be passed like this. |
| // Arg arg; |
| // ScopedTestingPlatformSupport<MyAnotherTestingPlatformSupport, const Arg&> |
| // another_platform(args); |
| // ... |
| // } |
| // |
| // // Here the original MyTestingPlatformSupport should be restored. |
| // } |
| template <class T, typename... Args> |
| class ScopedTestingPlatformSupport final { |
| DISALLOW_COPY_AND_ASSIGN(ScopedTestingPlatformSupport); |
| |
| public: |
| explicit ScopedTestingPlatformSupport(Args&&... args) { |
| testing_platform_support_ = |
| std::make_unique<T>(std::forward<Args>(args)...); |
| original_platform_ = Platform::Current(); |
| DCHECK(original_platform_); |
| Platform::SetCurrentPlatformForTesting(testing_platform_support_.get()); |
| } |
| ~ScopedTestingPlatformSupport() { |
| DCHECK_EQ(testing_platform_support_.get(), Platform::Current()); |
| testing_platform_support_.reset(); |
| Platform::SetCurrentPlatformForTesting(original_platform_); |
| } |
| |
| const T* operator->() const { return testing_platform_support_.get(); } |
| T* operator->() { return testing_platform_support_.get(); } |
| |
| T* GetTestingPlatformSupport() { return testing_platform_support_.get(); } |
| |
| private: |
| std::unique_ptr<T> testing_platform_support_; |
| Platform* original_platform_; |
| }; |
| |
| class ScopedUnittestsEnvironmentSetup final { |
| DISALLOW_COPY_AND_ASSIGN(ScopedUnittestsEnvironmentSetup); |
| |
| public: |
| ScopedUnittestsEnvironmentSetup(int argc, char** argv); |
| ~ScopedUnittestsEnvironmentSetup(); |
| |
| private: |
| class DummyRendererResourceCoordinator; |
| std::unique_ptr<base::TestDiscardableMemoryAllocator> |
| discardable_memory_allocator_; |
| std::unique_ptr<Platform> dummy_platform_; |
| std::unique_ptr<DummyRendererResourceCoordinator> |
| dummy_renderer_resource_coordinator_; |
| std::unique_ptr<TestingPlatformSupport> testing_platform_support_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_TESTING_TESTING_PLATFORM_SUPPORT_H_ |