| // Copyright 2014 The Chromium OS 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 <chromeos/dbus/dbus_signal_handler.h> |
| |
| #include <string> |
| |
| #include <base/memory/scoped_ptr.h> |
| #include <chromeos/bind_lambda.h> |
| #include <chromeos/dbus/dbus_param_writer.h> |
| #include <dbus/mock_bus.h> |
| #include <dbus/mock_object_proxy.h> |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| using testing::AnyNumber; |
| using testing::Return; |
| using testing::SaveArg; |
| using testing::_; |
| |
| namespace chromeos { |
| namespace dbus_utils { |
| |
| const char kTestPath[] = "/test/path"; |
| const char kTestServiceName[] = "org.test.Object"; |
| const char kInterface[] = "org.test.Object.TestInterface"; |
| const char kSignal[] = "TestSignal"; |
| |
| class DBusSignalHandlerTest: public testing::Test { |
| public: |
| void SetUp() override { |
| dbus::Bus::Options options; |
| options.bus_type = dbus::Bus::SYSTEM; |
| bus_ = new dbus::MockBus(options); |
| // By default, don't worry about threading assertions. |
| EXPECT_CALL(*bus_, AssertOnOriginThread()).Times(AnyNumber()); |
| EXPECT_CALL(*bus_, AssertOnDBusThread()).Times(AnyNumber()); |
| // Use a mock object proxy. |
| mock_object_proxy_ = new dbus::MockObjectProxy( |
| bus_.get(), kTestServiceName, dbus::ObjectPath(kTestPath)); |
| EXPECT_CALL(*bus_, GetObjectProxy(kTestServiceName, |
| dbus::ObjectPath(kTestPath))) |
| .WillRepeatedly(Return(mock_object_proxy_.get())); |
| } |
| |
| void TearDown() override { |
| bus_ = nullptr; |
| } |
| |
| protected: |
| template<typename SignalHandlerSink, typename... Args> |
| void CallSignal(SignalHandlerSink* sink, Args... args) { |
| dbus::ObjectProxy::SignalCallback signal_callback; |
| EXPECT_CALL(*mock_object_proxy_, ConnectToSignal(kInterface, kSignal, _, _)) |
| .WillOnce(SaveArg<2>(&signal_callback)); |
| |
| chromeos::dbus_utils::ConnectToSignal( |
| mock_object_proxy_.get(), kInterface, kSignal, |
| base::Bind(&SignalHandlerSink::Handler, base::Unretained(sink)), {}); |
| |
| dbus::Signal signal(kInterface, kSignal); |
| dbus::MessageWriter writer(&signal); |
| DBusParamWriter::Append(&writer, args...); |
| signal_callback.Run(&signal); |
| } |
| |
| scoped_refptr<dbus::MockBus> bus_; |
| scoped_refptr<dbus::MockObjectProxy> mock_object_proxy_; |
| }; |
| |
| TEST_F(DBusSignalHandlerTest, ConnectToSignal) { |
| EXPECT_CALL(*mock_object_proxy_, |
| ConnectToSignal(kInterface, kSignal, _, _)).Times(1); |
| |
| chromeos::dbus_utils::ConnectToSignal(mock_object_proxy_.get(), |
| kInterface, kSignal, |
| base::Closure{}, {}); |
| } |
| |
| TEST_F(DBusSignalHandlerTest, CallSignal_3Args) { |
| class SignalHandlerSink { |
| public: |
| MOCK_METHOD3(Handler, void(int, int, double)); |
| } sink; |
| |
| EXPECT_CALL(sink, Handler(10, 20, 30.5)).Times(1); |
| CallSignal(&sink, 10, 20, 30.5); |
| } |
| |
| TEST_F(DBusSignalHandlerTest, CallSignal_2Args) { |
| class SignalHandlerSink { |
| public: |
| // Take string both by reference and by value to make sure this works too. |
| MOCK_METHOD2(Handler, void(const std::string&, std::string)); |
| } sink; |
| |
| EXPECT_CALL(sink, Handler(std::string{"foo"}, std::string{"bar"})).Times(1); |
| CallSignal(&sink, std::string{"foo"}, std::string{"bar"}); |
| } |
| |
| TEST_F(DBusSignalHandlerTest, CallSignal_NoArgs) { |
| class SignalHandlerSink { |
| public: |
| MOCK_METHOD0(Handler, void()); |
| } sink; |
| |
| EXPECT_CALL(sink, Handler()).Times(1); |
| CallSignal(&sink); |
| } |
| |
| TEST_F(DBusSignalHandlerTest, CallSignal_Error_TooManyArgs) { |
| class SignalHandlerSink { |
| public: |
| MOCK_METHOD0(Handler, void()); |
| } sink; |
| |
| // Handler() expects no args, but we send an int. |
| EXPECT_CALL(sink, Handler()).Times(0); |
| CallSignal(&sink, 5); |
| } |
| |
| TEST_F(DBusSignalHandlerTest, CallSignal_Error_TooFewArgs) { |
| class SignalHandlerSink { |
| public: |
| MOCK_METHOD2(Handler, void(std::string, bool)); |
| } sink; |
| |
| // Handler() expects 2 args while we send it just one. |
| EXPECT_CALL(sink, Handler(_, _)).Times(0); |
| CallSignal(&sink, std::string{"bar"}); |
| } |
| |
| TEST_F(DBusSignalHandlerTest, CallSignal_Error_TypeMismatchArgs) { |
| class SignalHandlerSink { |
| public: |
| MOCK_METHOD2(Handler, void(std::string, bool)); |
| } sink; |
| |
| // Handler() expects "sb" while we send it "ii". |
| EXPECT_CALL(sink, Handler(_, _)).Times(0); |
| CallSignal(&sink, 1, 2); |
| } |
| |
| } // namespace dbus_utils |
| } // namespace chromeos |