public void ThrowsException_WhenTryingToHandleNullAsCommand()
{
var handler = new Func <ValueCommand, Task>(cmd => Task.CompletedTask);
var testee = new CommandSubscription <ValueCommand>(handler);
Func <Task> func = () => testee.HandleAsync(null);
func.ShouldThrow <ArgumentNullException>();
}
public async Task ShouldHandleCommand()
{
const int Value = 42;
var expectedValue = 0;
var valueCommand = new ValueCommand(Value);
var handler = new Func <ValueCommand, Task>(cmd =>
{
expectedValue = cmd.Value;
return(Task.CompletedTask);
});
var testee = new CommandSubscription <ValueCommand>(handler);
await testee.HandleAsync(valueCommand).ConfigureAwait(false);
expectedValue.Should().Be(Value);
}
