public static void Test_Chain_Handler_Calls_Handle_Methods_On_Handlers_Multiple()
{
//arrange
var chain = new ChainMessageHandlerStrategy<INetPeer, INetworkMessage>();
Mock<IMessageHandler<INetPeer, INetworkMessage>> handler1 = new Mock<IMessageHandler<INetPeer, INetworkMessage>>();
handler1.Setup(x => x.TryProcessMessage(It.IsAny<INetworkMessage>(), It.IsAny<IMessageParameters>(), It.IsAny<INetPeer>()))
.Returns(false);
Mock<IMessageHandler<INetPeer, INetworkMessage>> handler2 = new Mock<IMessageHandler<INetPeer, INetworkMessage>>();
handler2.Setup(x => x.TryProcessMessage(It.IsAny<INetworkMessage>(), It.IsAny<IMessageParameters>(), It.IsAny<INetPeer>()))
.Returns(false);
//act
bool result = chain.Register(handler1.Object);
Assert.IsTrue(result, "Couldn't add a handler to the chain.");
result = chain.Register(handler2.Object);
Assert.IsTrue(result, "Couldn't add a handler to the chain.");
chain.TryProcessMessage(Mock.Of<INetworkMessage>(), Mock.Of<IMessageParameters>(), Mock.Of<INetPeer>());
//assert
handler1.Verify(x => x.TryProcessMessage(It.IsAny<INetworkMessage>(), It.IsAny<IMessageParameters>(), It.IsAny<INetPeer>()), Times.Once());
handler2.Verify(x => x.TryProcessMessage(It.IsAny<INetworkMessage>(), It.IsAny<IMessageParameters>(), It.IsAny<INetPeer>()), Times.Once());
}
public static void Test_Can_Add_New_Handler()
{
//arrange
var chain = new ChainMessageHandlerStrategy<INetPeer, INetworkMessage>();
Mock<IMessageHandler<INetPeer, INetworkMessage>> handler = new Mock<IMessageHandler<INetPeer, INetworkMessage>>();
//act
bool result = chain.Register(handler.Object);
//assert
Assert.IsTrue(result, "Couldn't add a handler to the chain.");
}
public static void Test_Indicates_Add_Failure_On_Null()
{
//arrange
var chain = new ChainMessageHandlerStrategy<INetPeer, INetworkMessage>();
//act
bool result = chain.Register(null);
//assert
Assert.IsFalse(result, "Was able to add a null handler.");
}