public async Task ReturnTheSongsOrderedByPublishDateDescendingWhenInvoked()
{
var songs = new[]
{
new Song()
{
IsApproved = true, PublishedOn = new DateTime(2000, 1, 3)
},
new Song()
{
IsApproved = true, PublishedOn = new DateTime(2000, 1, 2)
},
new Song()
{
IsApproved = true, PublishedOn = new DateTime(2000, 1, 1)
},
new Song()
{
IsApproved = true, PublishedOn = new DateTime(2000, 1, 21)
}
}
.AsQueryable()
.BuildMock();
var songRepositoryStub = new Mock <IEfRepository <Song> >();
songRepositoryStub
.Setup(x => x.All(It.IsAny <bool>()))
.Returns(songs.Object);
GetLastApprovedSongs query = new GetLastApprovedSongs()
{
Count = 5
};
// Arrange
GetLastApprovedSongsQueryService sut =
new GetLastApprovedSongsQueryService(songRepositoryStub.Object);
// Act
IEnumerable <Song> actualSongs = await sut.ExecuteAsync(query);
// Assert
Assert.That(
actualSongs
.Zip(actualSongs.Skip(1), (a, b) => new { a, b })
.All(s => s.a.PublishedOn > s.b.PublishedOn));
}
public void SavePassedSongRepositoryWhenIsNotNull()
{
var songRepositoryStub = new Mock <IEfRepository <Song> >();
// Arrange && Act
GetLastApprovedSongsQueryService sut = new GetLastApprovedSongsQueryService(
songRepository: songRepositoryStub.Object);
// Assert
var actualSongRepository = sut.GetType()
.GetFields(BindingFlags.Instance | BindingFlags.NonPublic)
.First(fi => fi.FieldType == typeof(IEfRepository <Song>))
.GetValue(sut);
Assert.AreSame(songRepositoryStub.Object, actualSongRepository);
}
public async Task ReturnTheSameCountOfSongsAsSpecifiedInThePassedQueryWhenInvoked()
{
int expectedSongsCount = 2;
var songs = new[]
{
new Song()
{
IsApproved = false, Id = string.Empty
},
new Song()
{
IsApproved = true, Id = string.Empty
},
new Song()
{
IsApproved = true, Id = string.Empty
},
new Song()
{
IsApproved = true, Id = string.Empty
},
}
.AsQueryable()
.BuildMock();
var songRepositoryStub = new Mock <IEfRepository <Song> >();
songRepositoryStub
.Setup(x => x.All(It.IsAny <bool>()))
.Returns(songs.Object);
GetLastApprovedSongs query = new GetLastApprovedSongs()
{
Count = expectedSongsCount
};
// Arrange
GetLastApprovedSongsQueryService sut =
new GetLastApprovedSongsQueryService(songRepositoryStub.Object);
// Act
IEnumerable <Song> actualSongs = await sut.ExecuteAsync(query);
// Assert
Assert.AreEqual(expectedSongsCount, actualSongs.Count());
}
public async Task ReturnApprovedSongsOnlyWhenInvoked()
{
var songs = new[]
{
new Song()
{
IsApproved = false, Id = string.Empty
},
new Song()
{
IsApproved = true, Id = string.Empty
},
new Song()
{
IsApproved = true, Id = string.Empty
},
new Song()
{
IsApproved = true, Id = string.Empty
},
}
.AsQueryable()
.BuildMock();
var songRepositoryStub = new Mock <IEfRepository <Song> >();
songRepositoryStub
.Setup(x => x.All(It.IsAny <bool>()))
.Returns(songs.Object);
GetLastApprovedSongs query = new GetLastApprovedSongs()
{
Count = 5
};
// Arrange
GetLastApprovedSongsQueryService sut =
new GetLastApprovedSongsQueryService(songRepositoryStub.Object);
// Act
IEnumerable <Song> actualSongs = await sut.ExecuteAsync(query);
// Assert
Assert.That(actualSongs.All(s => s.IsApproved = true));
}
