public void NumberOfMoviesWithGradeInvalidExpectArgumentException(int grade)
{
// arrange
Mock <IMovieRatingRepository> repoMock = new Mock <IMovieRatingRepository>();
MovieRatingService mrs = new MovieRatingService(repoMock.Object);
// act
var ex = Assert.Throws <ArgumentException>(() =>
{
int result = mrs.NumberOfMoviesWithGrade(grade);
});
// assert
Assert.Equal("Grade must be 1 - 5", ex.Message);
}
public void NumberOfMoviesWithGrade(int grade, int expected)
{
// arrange
ratings = new List <MovieRating>()
{
new MovieRating(1, 1, 3, DateTime.Now),
new MovieRating(2, 1, 3, DateTime.Now),
new MovieRating(3, 1, 4, DateTime.Now),
new MovieRating(3, 5, 5, DateTime.Now),
new MovieRating(3, 2, 5, DateTime.Now),
new MovieRating(4, 2, 5, DateTime.Now)
};
MovieRatingService mrs = new MovieRatingService(repoMock.Object);
// act
int result = mrs.NumberOfMoviesWithGrade(grade);
// assert
Assert.Equal(expected, result);
repoMock.Verify(repo => repo.Ratings, Times.Once);
}