public void UseSpecificationLogicAndOperatorTest()
{
//Arrange
DirectSpecification <SampleEntity> leftAdHocSpecification;
DirectSpecification <SampleEntity> rightAdHocSpecification;
var identifier = Guid.NewGuid();
Expression <Func <SampleEntity, bool> > leftSpec = s => s.Id == identifier;
Expression <Func <SampleEntity, bool> > rightSpec = s => s.SampleProperty.Length > 2;
//Act
leftAdHocSpecification = new DirectSpecification <SampleEntity>(leftSpec);
rightAdHocSpecification = new DirectSpecification <SampleEntity>(rightSpec);
ISpecification <SampleEntity> andSpec = leftAdHocSpecification & rightAdHocSpecification;
//Assert
var list = new List <SampleEntity>();
var sampleA = new SampleEntity()
{
SampleProperty = "1"
};
sampleA.ChangeCurrentIdentity(identifier);
var sampleB = new SampleEntity()
{
SampleProperty = "the sample property"
};
sampleB.GenerateNewIdentity();
var sampleC = new SampleEntity()
{
SampleProperty = "the sample property"
};
sampleC.ChangeCurrentIdentity(identifier);
list.AddRange(
new SampleEntity[]
{
sampleA,
sampleB,
sampleC
});
var result = list.AsQueryable().Where(andSpec.SatisfiedBy()).ToList();
Assert.IsTrue(result.Count == 1);
}
public void ChangeIdentitySetNewIdentity()
{
//Arrange
var entity = new SampleEntity();
entity.GenerateNewIdentity();
//act
var expected = entity.Id;
entity.ChangeCurrentIdentity(Guid.NewGuid());
//assert
Assert.AreNotEqual(expected, entity.Id);
}
public void CreateOrSpecificationTest()
{
//Arrange
DirectSpecification <SampleEntity> leftAdHocSpecification;
DirectSpecification <SampleEntity> rightAdHocSpecification;
var identifier = Guid.NewGuid();
Expression <Func <SampleEntity, bool> > leftSpec = s => s.Id == identifier;
Expression <Func <SampleEntity, bool> > rightSpec = s => s.SampleProperty.Length > 2;
leftAdHocSpecification = new DirectSpecification <SampleEntity>(leftSpec);
rightAdHocSpecification = new DirectSpecification <SampleEntity>(rightSpec);
//Act
var composite = new OrSpecification <SampleEntity>(leftAdHocSpecification, rightAdHocSpecification);
//Assert
Assert.IsNotNull(composite.SatisfiedBy());
ReferenceEquals(leftAdHocSpecification, composite.LeftSideSpecification);
ReferenceEquals(rightAdHocSpecification, composite.RightSideSpecification);
var list = new List <SampleEntity>();
var sampleA = new SampleEntity()
{
SampleProperty = "1"
};
sampleA.ChangeCurrentIdentity(identifier);
var sampleB = new SampleEntity()
{
SampleProperty = "the sample property"
};
sampleB.GenerateNewIdentity();
list.AddRange(
new SampleEntity[]
{
sampleA,
sampleB
});
var result = list.AsQueryable().Where(composite.SatisfiedBy()).ToList();
Assert.IsTrue(result.Count() == 2);
}
public void SameIdentityProduceEqualsTrueTest()
{
//Arrange
Guid id = Guid.NewGuid();
var entityLeft = new SampleEntity();
var entityRight = new SampleEntity();
entityLeft.ChangeCurrentIdentity(id);
entityRight.ChangeCurrentIdentity(id);
//Act
bool resultOnEquals = entityLeft.Equals(entityRight);
bool resultOnOperator = entityLeft == entityRight;
//Assert
Assert.IsTrue(resultOnEquals);
Assert.IsTrue(resultOnOperator);
}
public void DDDUseSpecificationBitwiseOrOperatorTest()
{
//Arrange
DirectSpecification <SampleEntity> leftAdHocSpecification;
DirectSpecification <SampleEntity> rightAdHocSpecification;
var identifier = Guid.NewGuid();
Expression <Func <SampleEntity, bool> > leftSpec = s => s.EntityId == identifier;
Expression <Func <SampleEntity, bool> > rightSpec = s => s.SampleProperty.Length > 2;
//Act
leftAdHocSpecification = new DirectSpecification <SampleEntity>(leftSpec);
rightAdHocSpecification = new DirectSpecification <SampleEntity>(rightSpec);
var orSpec = leftAdHocSpecification | rightAdHocSpecification;
//Assert
var list = new List <SampleEntity>();
var sampleA = new SampleEntity()
{
SampleProperty = "1"
};
sampleA.ChangeCurrentIdentity(identifier);
var sampleB = new SampleEntity()
{
SampleProperty = "the sample property"
};
sampleB.GenerateNewIdentity();
list.AddRange(new SampleEntity[] { sampleA, sampleB });
var result = list.AsQueryable().Where(orSpec.SatisfiedBy()).ToList();
}
