public void Specification_OrSpecification_AllInvalid_ShouldReturnFalse()
{
// Arrange
var movie = MovieFactory.GetRatedR();
var director = movie.Director.Name + " LastName";
var kidSpec = new MovieForKidsSpecificationValidator();
var dirSpec = new MovieDirectedBySpecificationValidator(director);
var movieSpec = kidSpec.Or(dirSpec);
// Act
var result = movieSpec.Validate(movie);
// Assert
Assert.False(result.IsValid);
Assert.Contains(result.Errors, e => e.ErrorMessage == "This film is not for children.");
Assert.Contains(result.Errors, e => e.ErrorMessage == "The director name is different.");
}
public void Specification_AndSpecification_WithDifferentDirectorName_ShouldReturnFalse()
{
// Arrange
var movie = MovieFactory.GetMixedMovies().FirstOrDefault(m =>
m.MpaaRating <= MpaaRating.PG && // For kids
m.ReleaseDate.Year < DateTime.Now.Year); // Last year or older
var director = movie.Director.Name + " LastName";
var kidSpec = new MovieForKidsSpecificationValidator();
var dirSpec = new MovieDirectedBySpecificationValidator(director);
var movieSpec = kidSpec.And(dirSpec);
// Act
var result = movieSpec.Validate(movie);
// Assert
Assert.False(result.IsValid);
Assert.Contains(result.Errors, e => e.ErrorMessage == "The director name is different.");
}
public void Specification_AndSpecification_ShouldReturnTrue()
{
// Arrange
var movie = MovieFactory.GetMixedMovies().FirstOrDefault(m =>
m.MpaaRating <= MpaaRating.PG && // For kids
m.ReleaseDate.Year < DateTime.Now.Year); // Last year or older
var director = movie.Director.Name;
var kidSpec = new MovieForKidsSpecificationValidator();
var dirSpec = new MovieDirectedBySpecificationValidator(director);
var dvdSpec = new AvailableOnStreamingSpecificationValidator();
var movieSpec = kidSpec.And(dirSpec).And(dvdSpec);
// Act
var result = movieSpec.Validate(movie);
// Assert
Assert.True(result.IsValid);
}
