public NewestGoodMoviesForKidsValidation()
{
var less1YearSpec = new LessThanOneYearSpecification();
var forKidsSpec = new MovieForKidsSpecification();
var bestRatedSpec = new BestRatedFilmsSpecification();
base.Add("less1YearSpec", new Rule <Movie>(less1YearSpec, "This movie was released over a year ago."));
base.Add("forKidsSpec", new Rule <Movie>(forKidsSpec, "This film is not for children."));
base.Add("bestRatedSpec", new Rule <Movie>(bestRatedSpec, "This film is not well rated."));
}
public void Specification_SingleSpecification_ShouldReturnFalse()
{
// Arrange
var movie = MovieFactory.GetRatedR();
var kidSpec = new MovieForKidsSpecification();
// Act
var result = kidSpec.IsSatisfiedBy(movie);
// Assert
Assert.False(result);
}
public void Specification_NotSpecification_ShouldFilterMovies()
{
// Arrange
var movieCount = MovieFactory.GetMixedMovies().Count(m => m.MpaaRating > MpaaRating.PG && m.Rating >= 4);
var kidSpec = new MovieForKidsSpecification();
var dirBest = new BestRatedFilmsSpecification();
var movieSpec = dirBest.And(kidSpec.Not());
// Act
var result = MovieFactory.GetMixedMovies().Where(movieSpec.IsSatisfiedBy);
// Assert
Assert.Equal(movieCount, result.Count());
}
public void Specification_OrSpecification_ShouldFilterMovies()
{
// Arrange
var movieCount = MovieFactory.GetMixedMovies().Count(m =>
m.MpaaRating <= MpaaRating.PG || // For kids OR
m.Rating >= 4); // Best Rates
var kidSpec = new MovieForKidsSpecification();
var dirBest = new BestRatedFilmsSpecification();
var movieSpec = kidSpec.Or(dirBest);
// Act
var result = MovieFactory.GetMixedMovies().Where(movieSpec.IsSatisfiedBy);
// Assert
Assert.Equal(movieCount, result.Count());
}
public void Specification_AndSpecification_ShouldReturnTrue()
{
// Arrange
var movie = MovieFactory.GetMixedMovies().FirstOrDefault(m =>
m.MpaaRating <= MpaaRating.PG && m.ReleaseDate.Year < DateTime.Now.Year);
var director = movie.Director.Name;
var kidSpec = new MovieForKidsSpecification();
var dirSpec = new MovieDirectedBySpecification(director);
var dvdSpec = new AvailableOnDvdSpecification();
var movieSpec = kidSpec.And(dirSpec).And(dvdSpec);
// Act
var result = movieSpec.IsSatisfiedBy(movie);
// Assert
Assert.True(result);
}
