public void GetUpcomingMovies_SpecificPage_InvokeServiceWithCorrectParameters()
{
int expectedPage = 2;
var expectedLanguage = "en-US";
var pagingInfo = new MoviePagingInfo();
GenreInfo genreInfo = null;
var apiClientMock = new Mock <ITmdbApiClient>();
apiClientMock
.Setup(x => x.FetchUpcomingMovies(
It.IsAny <int>(),
It.IsAny <string>()))
.Returns(() => Observable.Return(pagingInfo));
apiClientMock
.Setup(x => x.FetchMovieGenres(
It.IsAny <string>()))
.Returns(() => Observable.Return(genreInfo));
var apiServiceMock = new Mock <ITmdbApiService>();
apiServiceMock
.Setup(x => x.GetClient())
.Returns(apiClientMock.Object);
var cacheMock = new Mock <ICache>();
cacheMock
.Setup(x => x.GetAndFetchLatest(
It.IsAny <string>(),
It.IsAny <Func <IObservable <MoviePagingInfo> > >()))
.Returns <string, Func <IObservable <MoviePagingInfo> > >((arg, targetMethod) => targetMethod());
cacheMock
.Setup(x => x.GetAndFetchLatest(
It.IsAny <string>(),
It.IsAny <Func <IObservable <GenreInfo> > >()))
.Returns <string, Func <IObservable <GenreInfo> > >((arg, targetMethod) => targetMethod());
var target = new MovieService(
apiServiceMock.Object,
cacheMock.Object);
target.GetUpcomingMovies(expectedPage).Subscribe();
apiServiceMock.Verify(x => x.GetClient(), Times.Once);
apiClientMock.Verify(
x => x.FetchUpcomingMovies(
It.Is <int>(page => page == expectedPage),
It.Is <string>(language => language == expectedLanguage)),
Times.Once);
apiClientMock.Verify(
x => x.FetchMovieGenres(
It.Is <string>(language => language == expectedLanguage)),
Times.Once);
}
public void GetMovies_WhenInvoked_UsesSpecifiedCacheKey()
{
var expectedQuery = "another query";
int expectedPage = 2;
var pagingInfo = new MoviePagingInfo();
GenreInfo genreInfo = null;
var apiClientMock = new Mock <ITmdbApiClient>();
apiClientMock
.Setup(x => x.FetchMovies(
It.IsAny <string>(),
It.IsAny <int>(),
It.IsAny <string>()))
.Returns(() => Observable.Return(pagingInfo));
apiClientMock
.Setup(x => x.FetchMovieGenres(
It.IsAny <string>()))
.Returns(() => Observable.Return(genreInfo));
var apiServiceMock = new Mock <ITmdbApiService>();
apiServiceMock
.Setup(x => x.GetClient())
.Returns(apiClientMock.Object);
var cacheMock = new Mock <ICache>();
cacheMock
.Setup(x => x.GetAndFetchLatest(
It.IsAny <string>(),
It.IsAny <Func <IObservable <MoviePagingInfo> > >()))
.Returns <string, Func <IObservable <MoviePagingInfo> > >((arg, targetMethod) => targetMethod());
cacheMock
.Setup(x => x.GetAndFetchLatest(
It.IsAny <string>(),
It.IsAny <Func <IObservable <GenreInfo> > >()))
.Returns <string, Func <IObservable <GenreInfo> > >((arg, targetMethod) => targetMethod());
var target = new MovieService(
apiServiceMock.Object,
cacheMock.Object);
target
.GetMovies(expectedQuery, expectedPage)
.Subscribe();
cacheMock.Verify(
x => x.GetAndFetchLatest(
It.Is <string>(cacheKey => cacheKey == $"movies_{expectedQuery}_{expectedPage}"),
It.IsAny <Func <IObservable <MoviePagingInfo> > >()),
Times.Once);
}
public void GetMovies_PagingInfoIsNull_ReturnsEmpty()
{
string expectedQuery = "a query value";
int expectedPage = 2;
MoviePagingInfo pagingInfo = null;
GenreInfo genreInfo = null;
var apiClientMock = new Mock <ITmdbApiClient>();
apiClientMock
.Setup(x => x.FetchMovies(
It.IsAny <string>(),
It.IsAny <int>(),
It.IsAny <string>()))
.Returns(() => Observable.Return(pagingInfo));
apiClientMock
.Setup(x => x.FetchMovieGenres(
It.IsAny <string>()))
.Returns(() => Observable.Return(genreInfo));
var apiServiceMock = new Mock <ITmdbApiService>();
apiServiceMock
.Setup(x => x.GetClient())
.Returns(apiClientMock.Object);
var cacheMock = new Mock <ICache>();
cacheMock
.Setup(x => x.GetAndFetchLatest(
It.IsAny <string>(),
It.IsAny <Func <IObservable <MoviePagingInfo> > >()))
.Returns <string, Func <IObservable <MoviePagingInfo> > >((arg, targetMethod) => targetMethod());
cacheMock
.Setup(x => x.GetAndFetchLatest(
It.IsAny <string>(),
It.IsAny <Func <IObservable <GenreInfo> > >()))
.Returns <string, Func <IObservable <GenreInfo> > >((arg, targetMethod) => targetMethod());
var target = new MovieService(
apiServiceMock.Object,
cacheMock.Object);
IEnumerable <Movie> resultData = null;
Assert.DoesNotThrow(
() => target
.GetMovies(expectedQuery, expectedPage)
.Subscribe(results => resultData = results));
Assert.IsEmpty(resultData);
}
public void GetMovies_MovieHasGenres_MovieWithGenres()
{
string expectedQuery = "query";
int expectedPage = 2;
var pagingInfo = new MoviePagingInfo()
{
Results = new List <MovieResult>()
{
new MovieResult()
{
Id = 1, Title = "Movie 1", GenreIds = new List <int>()
{
1, 2, 3
}, ReleaseDate = "2004-01-02"
},
new MovieResult()
{
Id = 2, Title = "Movie 2", GenreIds = new List <int>()
{
1, 3
}, ReleaseDate = "2003-10-10"
}
}
};
var genreInfo = new GenreInfo()
{
Genres = new List <GenreResult>()
{
new GenreResult()
{
Id = 1, Name = "Genre 1"
},
new GenreResult()
{
Id = 2, Name = "Genre 2"
},
new GenreResult()
{
Id = 3, Name = "Genre 3"
}
}
};
var apiClientMock = new Mock <ITmdbApiClient>();
apiClientMock
.Setup(x => x.FetchMovies(
It.IsAny <string>(),
It.IsAny <int>(),
It.IsAny <string>()))
.Returns(() => Observable.Return(pagingInfo));
apiClientMock
.Setup(x => x.FetchMovieGenres(
It.IsAny <string>()))
.Returns(() => Observable.Return(genreInfo));
var apiServiceMock = new Mock <ITmdbApiService>();
apiServiceMock
.Setup(x => x.GetClient())
.Returns(apiClientMock.Object);
var cacheMock = new Mock <ICache>();
cacheMock
.Setup(x => x.GetAndFetchLatest(
It.IsAny <string>(),
It.IsAny <Func <IObservable <MoviePagingInfo> > >()))
.Returns <string, Func <IObservable <MoviePagingInfo> > >((arg, targetMethod) => targetMethod());
cacheMock
.Setup(x => x.GetAndFetchLatest(
It.IsAny <string>(),
It.IsAny <Func <IObservable <GenreInfo> > >()))
.Returns <string, Func <IObservable <GenreInfo> > >((arg, targetMethod) => targetMethod());
IList <Movie> results = null;
var target = new MovieService(
apiServiceMock.Object,
cacheMock.Object);
target
.GetMovies(expectedQuery, expectedPage)
.Subscribe(movies => results = movies.ToList());
Assert.AreEqual(pagingInfo.Results.Count, results.Count());
Assert.AreEqual(pagingInfo.Results[0].GenreIds.Count, results[0].Genres.Count());
Assert.AreEqual(pagingInfo.Results[1].GenreIds.Count, results[1].Genres.Count());
}
