public void Different_Predicate_Will_Give_Different_Hash()
{
Expression <Func <Contact, bool> > predicate = contact => (contact.Name == "test" && contact.ContactId == 1);
Expression <Func <Contact, bool> > predicate2 = contact => (contact.Name == "test" && contact.ContactId == 2);
var hash1 = HashGenerator.FromSpecification(new Specification <Contact>(predicate));
var hash2 = HashGenerator.FromSpecification(new Specification <Contact>(predicate2));
hash1.Should().NotBe(hash2);
}
public void Same_Predicate_With_Variables_Will_Give_Same_Hash()
{
var name = "test";
var contactId = 1;
Expression <Func <Contact, bool> > predicate = contact => (contact.Name == name && contact.ContactId == contactId);
var hash1 = HashGenerator.FromSpecification(new Specification <Contact>(predicate));
Expression <Func <Contact, bool> > predicate2 = contact => (contact.Name == name && contact.ContactId == contactId);
var hash2 = HashGenerator.FromSpecification(new Specification <Contact>(predicate2));
hash1.Should().Be(hash2);
}
public void Different_Specification_Param_Will_Give_Different_Hash()
{
var spec = new Specification <Contact>(p => p.ContactId == 1)
.And(new Specification <Contact>(p => p.Name.Equals("test")));
var spec2 = new Specification <Contact>(p => p.ContactId == 2)
.And(new Specification <Contact>(p => p.Name.Equals("test")));
var hash1 = HashGenerator.FromSpecification(spec);
var hash2 = HashGenerator.FromSpecification(spec2);
hash1.Should().NotBe(hash2);
}
public void Same_Specification_Will_Give_Same_Hash()
{
var spec = new Specification <Contact>(p => p.ContactId == 1)
.And(new Specification <Contact>(p => p.Name.Equals("test")));
var spec2 = new Specification <Contact>(p => p.ContactId == 1)
.And(new Specification <Contact>(p => p.Name.Equals("test")));
var hash1 = HashGenerator.FromSpecification(spec);
var hash2 = HashGenerator.FromSpecification(spec2);
hash1.Should().Be(hash2);
}
public void Different_Predicate_With_Variable_Array_Will_Give_Different_Hash()
{
var name = "test";
var contactIds = new List <int> {
1, 2
};
Expression <Func <Contact, bool> > predicate = contact => (contact.Name == name && contactIds.Contains(contact.ContactId));
var hash1 = HashGenerator.FromSpecification(new Specification <Contact>(predicate));
contactIds = new List <int> {
3, 4
};
Expression <Func <Contact, bool> > predicate2 = contact => (contact.Name == name && contactIds.Contains(contact.ContactId));
var hash2 = HashGenerator.FromSpecification(new Specification <Contact>(predicate2));
hash1.Should().Be(hash2);
}
