public void When_Service_Fails_Translate_Should_Return_ErrorMessage()
{
var service = new Mock<IService>();
service.Setup(s => s.Translate(It.IsAny<string>())).Throws<Exception>();
var logger = new Mock<ILogger>();
var translator = new Translator(logger.Object, service.Object);
var result = translator.Translate("Hello");
Assert.That(result, Is.EqualTo(Translator.ErrorMessage));
}
public void When_Service_Fails_Exception_Should_Be_Logged()
{
var error = new Exception();
var service = new Mock<IService>();
service.Setup(s => s.Translate(It.IsAny<string>())).Throws(error);
var logger = new Mock<ILogger>();
var translator = new Translator(logger.Object, service.Object);
translator.Translate("Hello");
logger.Verify(l => l.Log(error));
}
public void Translate_Should_Return_Successful_Service_Response()
{
var input = "Hello";
var output = "Kitty";
var service = new Mock<IService>();
service.Setup(s => s.Translate(input)).Returns(output);
var logger = new Mock<ILogger>();
var translator = new Translator(logger.Object, service.Object);
var result = translator.Translate(input);
Assert.That(result, Is.EqualTo(output));
}