public async Task GetSoundByName_WithInvalidName_ShouldReturnEmptyString()
{
// ARRANGE
var name = "Dragon";
var serviceHelper = new Mock <IServiceHelper>();
serviceHelper.Setup(i => i.Get <Animal>(It.IsAny <string>(), name)).Returns(Task.FromResult <Animal>(null));
var service = new ZooService(serviceHelper.Object);
// ACT
var actual = await service.GetSoundByName(name);
// ASSERT
Assert.That(actual, Is.Empty);
}
public async Task GetSoundByName_WithValidName_ShouldReturnSound()
{
// ARRANGE
var name = "Fox";
var sound = "Wa-pa-pa-pa-pa-pa-pow!";
var serviceHelper = new Mock <IServiceHelper>();
serviceHelper.Setup(i => i.Get <Animal>(It.IsAny <string>(), name)).Returns(Task.FromResult(new Animal {
Name = name, Sound = sound
}));
var service = new ZooService(serviceHelper.Object);
// ACT
var actual = await service.GetSoundByName(name);
// ASSERT
Assert.That(actual, Is.EqualTo(sound));
}