public async Task ReturnDtoWithCorrectSongExtensionWhenTheSongExists()
{
string expectedSongExtension = ".mp3";
var songProviderStub = new Mock <ISongProvider>();
var songRepositoryStub = new Mock <IEfRepository <Song> >();
songRepositoryStub
.Setup(x => x.GetByIdAsync(It.IsAny <string>()))
.ReturnsAsync(new Song()
{
FileExtension = expectedSongExtension
});
GetUnapprovedSongForPlaying query = new GetUnapprovedSongForPlaying();
// Arrange
GetUnapprovedSongForPlayingQueryService sut = new GetUnapprovedSongForPlayingQueryService(
songProvider: songProviderStub.Object,
songRepository: songRepositoryStub.Object);
// Act
string actualSongExtension = (await sut.ExecuteAsync(query)).FileExtension;
// Assert
Assert.AreSame(expectedSongExtension, actualSongExtension);
}
public async Task ReturnDtoWithCorrectSongFileWhenTheSongExists()
{
byte[] expectedSongFile = new byte[128];
var songProviderStub = new Mock <ISongProvider>();
songProviderStub
.Setup(x => x.GetAsync(It.IsAny <string>(), It.IsAny <string>()))
.ReturnsAsync(() => expectedSongFile);
var songRepositoryStub = new Mock <IEfRepository <Song> >();
songRepositoryStub
.Setup(x => x.GetByIdAsync(It.IsAny <string>()))
.ReturnsAsync(new Song());
GetUnapprovedSongForPlaying query = new GetUnapprovedSongForPlaying();
// Arrange
GetUnapprovedSongForPlayingQueryService sut = new GetUnapprovedSongForPlayingQueryService(
songProvider: songProviderStub.Object,
songRepository: songRepositoryStub.Object);
// Act
byte[] actualSongFile = (await sut.ExecuteAsync(query)).File;
// Assert
Assert.AreSame(expectedSongFile, actualSongFile);
}
public void ThrowsNotFoundExceptionWhenTheSongDoesNotExists()
{
var songProviderStub = new Mock <ISongProvider>();
var songRepositoryStub = new Mock <IEfRepository <Song> >();
songRepositoryStub
.Setup(x => x.GetByIdAsync(It.IsAny <string>()))
.ReturnsAsync((Song)null);
GetUnapprovedSongForPlaying query = new GetUnapprovedSongForPlaying();
// Arrange
GetUnapprovedSongForPlayingQueryService sut = new GetUnapprovedSongForPlayingQueryService(
songProvider: songProviderStub.Object,
songRepository: songRepositoryStub.Object);
// Act && Assert
Assert.ThrowsAsync <NotFoundException>(() => sut.ExecuteAsync(query));
}
public void SavePassedSongRepositoryWhenIsNotNull()
{
var songRepositoryStub = new Mock <IEfRepository <Song> >();
var songProviderStub = new Mock <ISongProvider>();
// Arrange && Act
GetUnapprovedSongForPlayingQueryService sut =
new GetUnapprovedSongForPlayingQueryService(
songProvider: songProviderStub.Object,
songRepository: songRepositoryStub.Object);
// Assert
var actualSongProvider = sut.GetType()
.GetFields(BindingFlags.Instance | BindingFlags.NonPublic)
.First(fi => fi.FieldType == typeof(IEfRepository <Song>))
.GetValue(sut);
Assert.AreSame(songRepositoryStub.Object, actualSongProvider);
}