public async Task GetSortedHorsesAsync_WhenRepositoryReturnsNull_ReturnEmptyCollection()
{
var repositoryMock = new Mock <IHorseRepository>();
repositoryMock.Setup(item => item.LoadAllHorsesAsync()).Returns(Task.FromResult <IEnumerable <Horse> >(null));
var handler = new HorseInfoHandler(new[] { repositoryMock.Object });
var result = await handler.GetSortedHorsesAsync();
Assert.NotNull(result);
Assert.Empty(result);
}
public async Task GetSortedHorsesAsync_WhenHavingMultipleRepositories_ReturnSortedAggragatedCollection()
{
var horse1 = new Horse {
Name = "horse 1", Price = 1
};
var horse2 = new Horse {
Name = "horse 2", Price = 2
};
var horse3 = new Horse {
Name = "horse 3", Price = 3
};
var repositoryMock1 = new Mock <IHorseRepository>();
repositoryMock1.Setup(item => item.LoadAllHorsesAsync()).Returns(Task.FromResult <IEnumerable <Horse> >(new[] { horse2 }));
var repositoryMock2 = new Mock <IHorseRepository>();
repositoryMock2.Setup(item => item.LoadAllHorsesAsync()).Returns(Task.FromResult <IEnumerable <Horse> >(new[] { horse3, horse1 }));
var handler = new HorseInfoHandler(new[] { repositoryMock1.Object, repositoryMock2.Object });
var result = await handler.GetSortedHorsesAsync();
Assert.NotNull(result);
Assert.True(result.SequenceEqual(new[] { horse1, horse2, horse3 }));
}
