| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <memory> |
| #include <string> |
| |
| #include "flutter/shell/platform/windows/client_wrapper/include/flutter/flutter_engine.h" |
| #include "flutter/shell/platform/windows/client_wrapper/testing/stub_flutter_windows_api.h" |
| #include "gtest/gtest.h" |
| |
| namespace flutter { |
| |
| namespace { |
| |
| // Stub implementation to validate calls to the API. |
| class TestFlutterWindowsApi : public testing::StubFlutterWindowsApi { |
| public: |
| // |flutter::testing::StubFlutterWindowsApi| |
| FlutterDesktopEngineRef EngineCreate( |
| const FlutterDesktopEngineProperties& engine_properties) { |
| create_called_ = true; |
| |
| // dart_entrypoint_argv is only guaranteed to exist until this method |
| // returns, so copy it here for unit test validation |
| dart_entrypoint_arguments_.clear(); |
| for (int i = 0; i < engine_properties.dart_entrypoint_argc; i++) { |
| dart_entrypoint_arguments_.push_back( |
| std::string(engine_properties.dart_entrypoint_argv[i])); |
| } |
| return reinterpret_cast<FlutterDesktopEngineRef>(1); |
| } |
| |
| // |flutter::testing::StubFlutterWindowsApi| |
| bool EngineRun(const char* entry_point) override { |
| run_called_ = true; |
| return true; |
| } |
| |
| // |flutter::testing::StubFlutterWindowsApi| |
| bool EngineDestroy() override { |
| destroy_called_ = true; |
| return true; |
| } |
| |
| // |flutter::testing::StubFlutterWindowsApi| |
| uint64_t EngineProcessMessages() override { return 99; } |
| |
| // |flutter::testing::StubFlutterWindowsApi| |
| void EngineReloadSystemFonts() override { reload_fonts_called_ = true; } |
| |
| bool create_called() { return create_called_; } |
| |
| bool run_called() { return run_called_; } |
| |
| bool destroy_called() { return destroy_called_; } |
| |
| bool reload_fonts_called() { return reload_fonts_called_; } |
| |
| const std::vector<std::string>& dart_entrypoint_arguments() { |
| return dart_entrypoint_arguments_; |
| } |
| |
| private: |
| bool create_called_ = false; |
| bool run_called_ = false; |
| bool destroy_called_ = false; |
| bool reload_fonts_called_ = false; |
| std::vector<std::string> dart_entrypoint_arguments_; |
| }; |
| |
| } // namespace |
| |
| TEST(FlutterEngineTest, CreateDestroy) { |
| testing::ScopedStubFlutterWindowsApi scoped_api_stub( |
| std::make_unique<TestFlutterWindowsApi>()); |
| auto test_api = static_cast<TestFlutterWindowsApi*>(scoped_api_stub.stub()); |
| { |
| FlutterEngine engine(DartProject(L"fake/project/path")); |
| engine.Run(); |
| EXPECT_EQ(test_api->create_called(), true); |
| EXPECT_EQ(test_api->run_called(), true); |
| EXPECT_EQ(test_api->destroy_called(), false); |
| } |
| // Destroying should implicitly shut down if it hasn't been done manually. |
| EXPECT_EQ(test_api->destroy_called(), true); |
| } |
| |
| TEST(FlutterEngineTest, ExplicitShutDown) { |
| testing::ScopedStubFlutterWindowsApi scoped_api_stub( |
| std::make_unique<TestFlutterWindowsApi>()); |
| auto test_api = static_cast<TestFlutterWindowsApi*>(scoped_api_stub.stub()); |
| |
| FlutterEngine engine(DartProject(L"fake/project/path")); |
| engine.Run(); |
| EXPECT_EQ(test_api->create_called(), true); |
| EXPECT_EQ(test_api->run_called(), true); |
| EXPECT_EQ(test_api->destroy_called(), false); |
| engine.ShutDown(); |
| EXPECT_EQ(test_api->destroy_called(), true); |
| } |
| |
| TEST(FlutterEngineTest, ProcessMessages) { |
| testing::ScopedStubFlutterWindowsApi scoped_api_stub( |
| std::make_unique<TestFlutterWindowsApi>()); |
| auto test_api = static_cast<TestFlutterWindowsApi*>(scoped_api_stub.stub()); |
| |
| FlutterEngine engine(DartProject(L"fake/project/path")); |
| engine.Run(); |
| |
| std::chrono::nanoseconds next_event_time = engine.ProcessMessages(); |
| EXPECT_EQ(next_event_time.count(), 99); |
| } |
| |
| TEST(FlutterEngineTest, ReloadFonts) { |
| testing::ScopedStubFlutterWindowsApi scoped_api_stub( |
| std::make_unique<TestFlutterWindowsApi>()); |
| auto test_api = static_cast<TestFlutterWindowsApi*>(scoped_api_stub.stub()); |
| |
| FlutterEngine engine(DartProject(L"fake/project/path")); |
| engine.Run(); |
| |
| engine.ReloadSystemFonts(); |
| EXPECT_TRUE(test_api->reload_fonts_called()); |
| } |
| |
| TEST(FlutterEngineTest, GetMessenger) { |
| DartProject project(L"data"); |
| testing::ScopedStubFlutterWindowsApi scoped_api_stub( |
| std::make_unique<TestFlutterWindowsApi>()); |
| auto test_api = static_cast<TestFlutterWindowsApi*>(scoped_api_stub.stub()); |
| |
| FlutterEngine engine(DartProject(L"fake/project/path")); |
| EXPECT_NE(engine.messenger(), nullptr); |
| } |
| |
| TEST(FlutterEngineTest, DartEntrypointArgs) { |
| testing::ScopedStubFlutterWindowsApi scoped_api_stub( |
| std::make_unique<TestFlutterWindowsApi>()); |
| auto test_api = static_cast<TestFlutterWindowsApi*>(scoped_api_stub.stub()); |
| |
| DartProject project(L"data"); |
| std::vector<std::string> arguments = {"one", "two"}; |
| project.set_dart_entrypoint_arguments(arguments); |
| |
| FlutterEngine engine(project); |
| const std::vector<std::string>& arguments_ref = |
| test_api->dart_entrypoint_arguments(); |
| ASSERT_EQ(2, arguments_ref.size()); |
| EXPECT_TRUE(arguments[0] == arguments_ref[0]); |
| EXPECT_TRUE(arguments[1] == arguments_ref[1]); |
| } |
| |
| } // namespace flutter |