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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_RENDERER_API_TEST_BASE_H_
#define EXTENSIONS_RENDERER_API_TEST_BASE_H_
#include <map>
#include <string>
#include <utility>
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "extensions/renderer/module_system_test.h"
#include "extensions/renderer/v8_schema_registry.h"
#include "gin/handle.h"
#include "gin/modules/module_registry.h"
#include "gin/object_template_builder.h"
#include "gin/wrappable.h"
#include "mojo/public/cpp/bindings/interface_request.h"
#include "mojo/public/cpp/system/core.h"
namespace extensions {
class V8SchemaRegistry;
// An InterfaceProvider that provides access from JS modules to interfaces
// registered by AddInterface() calls.
class TestInterfaceProvider : public gin::Wrappable<TestInterfaceProvider> {
public:
static gin::Handle<TestInterfaceProvider> Create(v8::Isolate* isolate);
~TestInterfaceProvider() override;
gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
v8::Isolate* isolate) override;
template <typename Interface>
void AddInterface(
const base::Callback<void(mojo::InterfaceRequest<Interface>)>
factory_callback) {
factories_.insert(std::make_pair(
Interface::Name_,
base::Bind(ForwardToInterfaceFactory<Interface>, factory_callback)));
}
// Ignore requests for Interface.
template <typename Interface>
void IgnoreInterfaceRequests() {
factories_.insert(std::make_pair(
Interface::Name_, base::Bind(&TestInterfaceProvider::IgnoreHandle)));
}
static gin::WrapperInfo kWrapperInfo;
private:
TestInterfaceProvider();
mojo::Handle GetInterface(const std::string& interface_name);
template <typename Interface>
static void ForwardToInterfaceFactory(
const base::Callback<void(mojo::InterfaceRequest<Interface>)>
factory_callback,
mojo::ScopedMessagePipeHandle handle) {
factory_callback.Run(mojo::MakeRequest<Interface>(std::move(handle)));
}
static void IgnoreHandle(mojo::ScopedMessagePipeHandle handle);
std::map<std::string, base::Callback<void(mojo::ScopedMessagePipeHandle)> >
factories_;
};
// An environment for unit testing apps/extensions API custom bindings
// implemented on Mojo interfaces. This augments a ModuleSystemTestEnvironment
// with a TestInterfaceProvider and other modules available in a real extensions
// environment.
class ApiTestEnvironment {
public:
explicit ApiTestEnvironment(ModuleSystemTestEnvironment* environment);
~ApiTestEnvironment();
void RunTest(const std::string& file_name, const std::string& test_name);
TestInterfaceProvider* interface_provider() { return interface_provider_; }
ModuleSystemTestEnvironment* env() { return env_; }
private:
void RegisterModules();
void InitializeEnvironment();
void RunTestInner(const std::string& test_name,
const base::Closure& quit_closure);
void RunPromisesAgain();
ModuleSystemTestEnvironment* env_;
TestInterfaceProvider* interface_provider_;
std::unique_ptr<V8SchemaRegistry> v8_schema_registry_;
};
// A base class for unit testing apps/extensions API custom bindings implemented
// on Mojo interfaces. To use:
// 1. Register test Mojo interface implementations on interface_provider().
// 2. Write JS tests in extensions/test/data/test_file.js.
// 3. Write one C++ test function for each JS test containing
// RunTest("test_file.js", "testFunctionName").
// See extensions/renderer/api_test_base_unittest.cc and
// extensions/test/data/api_test_base_unittest.js for sample usage.
class ApiTestBase : public ModuleSystemTest {
protected:
ApiTestBase();
~ApiTestBase() override;
void SetUp() override;
void RunTest(const std::string& file_name, const std::string& test_name);
ApiTestEnvironment* api_test_env() { return test_env_.get(); }
TestInterfaceProvider* interface_provider() {
return test_env_->interface_provider();
}
private:
base::MessageLoop message_loop_;
std::unique_ptr<ApiTestEnvironment> test_env_;
};
} // namespace extensions
#endif // EXTENSIONS_RENDERER_API_TEST_BASE_H_
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