public async Task HandleAsync_should_do_nothing_if_text_message_is_null()
{
var fakeLogger = new Mock <ILogger <TelegramTextMessageHandler> >();
var fakeCommandExecutor = new Mock <IExecuteTelegramCommand>();
var handler = new TelegramTextMessageHandler(fakeLogger.Object, new[] { fakeCommandExecutor.Object });
await handler.HandleAsync(null);
fakeCommandExecutor.VerifyNoOtherCalls();
}
public async Task HandleAsync_should_do_nothing_if_message_is_not_a_command()
{
var fakeLogger = new Mock <ILogger <TelegramTextMessageHandler> >();
var fakeCommandExecutor = new Mock <IExecuteTelegramCommand>();
var textMessage = UnitTestHelper.CreateTelegramTextMessage("bleg");
var handler = new TelegramTextMessageHandler(fakeLogger.Object, new[] { fakeCommandExecutor.Object });
await handler.HandleAsync(textMessage);
fakeCommandExecutor.VerifyNoOtherCalls();
}
public async Task HandleAsync_should_only_call_ExecuteCommand_on_commandExecutors_that_can_execute()
{
var fakeLogger = new Mock <ILogger <TelegramTextMessageHandler> >();
var fakeCommandExecutor1 = new Mock <IExecuteTelegramCommand>();
var fakeCommandExecutor2 = new Mock <IExecuteTelegramCommand>();
var fakeCommandExecutor3 = new Mock <IExecuteTelegramCommand>();
fakeCommandExecutor1.Setup(x => x.CanExecute(It.IsAny <TelegramCommand>())).Returns(true);
fakeCommandExecutor2.Setup(x => x.CanExecute(It.IsAny <TelegramCommand>())).Returns(true);
fakeCommandExecutor3.Setup(x => x.CanExecute(It.IsAny <TelegramCommand>())).Returns(false);
var textMessage = UnitTestHelper.CreateTelegramTextMessage("/test");
var handler = new TelegramTextMessageHandler(fakeLogger.Object, new[]
{
fakeCommandExecutor1.Object, fakeCommandExecutor2.Object, fakeCommandExecutor3.Object
});
await handler.HandleAsync(textMessage);
fakeCommandExecutor1.Verify(x => x.ExecuteCommand(It.IsAny <TelegramCommand>()), Times.Once);
fakeCommandExecutor2.Verify(x => x.ExecuteCommand(It.IsAny <TelegramCommand>()), Times.Once);
fakeCommandExecutor3.Verify(x => x.ExecuteCommand(It.IsAny <TelegramCommand>()), Times.Never);
}