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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/dbus/services/cros_dbus_service.h"
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "base/memory/ref_counted.h"
#include "dbus/message.h"
#include "dbus/mock_bus.h"
#include "dbus/mock_exported_object.h"
#include "dbus/mock_object_proxy.h"
#include "dbus/object_path.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
using ::testing::_;
using ::testing::Eq;
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::Mock;
using ::testing::Return;
namespace ash {
namespace {
class MockProxyResolutionService
: public CrosDBusService::ServiceProviderInterface {
public:
MOCK_METHOD1(Start, void(scoped_refptr<dbus::ExportedObject>
exported_object));
};
} // namespace
class CrosDBusServiceTest : public testing::Test {
public:
CrosDBusServiceTest() = default;
// Creates an instance of CrosDBusService with mocks injected.
void SetUp() override {
// Create a mock bus.
dbus::Bus::Options options;
options.bus_type = dbus::Bus::SYSTEM;
mock_bus_ = new dbus::MockBus(options);
// ShutdownAndBlock() will be called in TearDown().
EXPECT_CALL(*mock_bus_.get(), ShutdownAndBlock()).WillOnce(Return());
// Create a mock exported object.
const dbus::ObjectPath kObjectPath("/org/example/TestService");
mock_exported_object_ =
new dbus::MockExportedObject(mock_bus_.get(), kObjectPath);
// |mock_bus_|'s GetExportedObject() will return mock_exported_object_|
// for the given service name and the object path.
EXPECT_CALL(*mock_bus_.get(), GetExportedObject(kObjectPath))
.WillRepeatedly(Return(mock_exported_object_.get()));
// Create a mock proxy resolution service.
auto mock_proxy_resolution_service_provider =
std::make_unique<MockProxyResolutionService>();
const char kServiceName[] = "org.example.TestService";
{
// |mock_exported_object_|'s Start method should be called before
// RequestOwnership: https://crbug.com/874978
InSequence export_methods_before_taking_ownership;
EXPECT_CALL(*mock_proxy_resolution_service_provider,
Start(Eq(mock_exported_object_)))
.WillOnce(Return());
EXPECT_CALL(
*mock_bus_.get(),
RequestOwnership(kServiceName,
dbus::Bus::REQUIRE_PRIMARY_ALLOW_REPLACEMENT, _))
.Times(1);
}
// Initialize the cros service with the mocks injected.
CrosDBusService::ServiceProviderList service_providers;
service_providers.push_back(
std::move(mock_proxy_resolution_service_provider));
cros_dbus_service_ = CrosDBusService::CreateRealImpl(
mock_bus_.get(), kServiceName, kObjectPath,
std::move(service_providers));
}
void TearDown() override {
cros_dbus_service_.reset();
mock_bus_->ShutdownAndBlock();
// Clear expectations to allow |mock_bus_| to be destroyed:
// http://go/soverflow/10286514
EXPECT_TRUE(Mock::VerifyAndClearExpectations(mock_bus_.get()));
}
protected:
scoped_refptr<dbus::MockBus> mock_bus_;
scoped_refptr<dbus::MockExportedObject> mock_exported_object_;
std::unique_ptr<CrosDBusService> cros_dbus_service_;
};
TEST_F(CrosDBusServiceTest, Start) {
// Simply start the service and see if mock expectations are met:
// - The service object is exported by GetExportedObject()
// - The proxy resolution service is started.
}
} // namespace ash
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