public async Task SendAsync_Uses_Child_Output_Channel_For_Sending()
{
var outputChannel = A.Fake<IAsyncOutputChannel<string>>();
string expectedOutput = "Hi words";
var channel = new AsyncDuplexChannel<string>(A.Fake<IAsyncInputChannel<string>>(), outputChannel);
await channel.SendAsync(expectedOutput);
A.CallTo(() => outputChannel.SendAsync(expectedOutput)).MustHaveHappened();
}
public async Task ReceiveAsync_Uses_Child_Input_Channel_For_Receiving()
{
var inputChannel = A.Fake<IAsyncInputChannel<string>>();
string expectedInput = "Hello pals";
A.CallTo(() => inputChannel.ReceiveAsync()).Returns(expectedInput);
var channel = new AsyncDuplexChannel<string>(inputChannel, A.Fake<IAsyncOutputChannel<string>>());
string actualInput = await channel.ReceiveAsync();
Assert.That(actualInput, Is.EqualTo(expectedInput));
}