public void ShouldVerifySpecificItem()
{
var spec = new GenericSpecification<User>(u => u.FavoriteNumber > 3);
var user1 = new User { FavoriteNumber = 4 };
Assert.True(spec.IsSatisfiedBy(user1));
var user2 = new User { FavoriteNumber = 1 };
Assert.False(spec.IsSatisfiedBy(user2));
}
public void Specification_GenericSpecification_ShouldReturnTrue()
{
// Arrange
var movie = MovieFactory.GetMixedMovies().FirstOrDefault(m => m.MpaaRating > MpaaRating.PG && m.Rating >= 4);
var genSpec = new GenericSpecification <Movie>(m => m.MpaaRating > MpaaRating.PG && m.Rating >= 4);
// Act
var result = genSpec.IsSatisfiedBy(movie);
// Assert
Assert.True(result);
}
public void AddExpressionToSpecificationtoBeSatisified(long propertyValue, long specificationValue, bool expectedResult)
{
//Arrange
var aTestClassWithValue = new TestClass()
{
SomeProperyValue = propertyValue
};
IGenericSpecification <TestClass> specification = new GenericSpecification <TestClass>(x => x.SomeProperyValue <= specificationValue);
//Action
var actualresult = specification.IsSatisfiedBy(aTestClassWithValue);
//Assert
Assert.True(specification is IGenericSpecification <TestClass>);
Assert.Equal(expectedResult, actualresult);
}
public string BuyAvailableOnCdTicket(int movieId)
{
var movie = repository.GetById(movieId);
if (movie == null)
{
return("Movie doesn't exist");
}
var specification = new GenericSpecification <MovieMiddle>(MovieMiddle.HasCdVersion);
if (!specification.IsSatisfiedBy(movie))
{
return("This movie doesn't have CD version");
}
return("Children ticket were bought successfully");
}
public string BuyChildTicket(int movieId)
{
var movie = repository.GetById(movieId);
if (movie == null)
{
return("Movie doesn't exist");
}
var specification = new GenericSpecification <MovieMiddle>(MovieMiddle.IsSuitableForChildren);
if (!specification.IsSatisfiedBy(movie))
{
return("This movie is not available for children");
}
return("Children ticket were bought successfully");
}
public void Specification_is_satisfied_when_expression_is_true_for_candidate_object()
{
var candidateObject = new TestClass() {Salary = 5000};
var specification = new GenericSpecification<TestClass>(t=>t.Salary>4000);
var isSatisfied = specification.IsSatisfiedBy(candidateObject);
Assert.IsTrue(isSatisfied);
}
