public void CanCompareEntitiesWithAssignedIds()
{
var obj1 = new ObjectWithAssignedId {
Name = "Acme"
};
var obj2 = new ObjectWithAssignedId {
Name = "Anvil"
};
obj1.Equals(null).Should().BeFalse();
obj1.Equals(obj2).Should().BeFalse();
obj1.SetAssignedIdTo("AAAAA");
obj2.SetAssignedIdTo("AAAAA");
// Even though the "business value signatures" are different, the persistent Ids
// were the same. Call me crazy, but I put that much trust into persisted Ids.
obj1.Equals(obj2).Should().BeTrue();
var obj3 = new ObjectWithAssignedId {
Name = "Acme"
};
// Since obj1 has an Id but obj3 doesn't, they won't be equal
// even though their signatures are the same
obj1.Equals(obj3).Should().BeFalse();
var obj4 = new ObjectWithAssignedId {
Name = "Acme"
};
// obj3 and obj4 are both transient and share the same signature
obj3.Equals(obj4).Should().BeTrue();
}
public void CanCompareEntitiesWithAssignedIds()
{
var object1 = new ObjectWithAssignedId {
Name = "Acme"
};
var object2 = new ObjectWithAssignedId {
Name = "Anvil"
};
Assert.That(object1, Is.Not.EqualTo(null));
Assert.That(object1, Is.Not.EqualTo(object2));
object1.SetAssignedIdTo("AAAAA");
object2.SetAssignedIdTo("AAAAA");
// Even though the "business value signatures" are different, the persistent Ids
// were the same. Call me crazy, but I put that much trust into persisted Ids.
Assert.That(object1, Is.EqualTo(object2));
var object3 = new ObjectWithAssignedId {
Name = "Acme"
};
// Since object1 has an Id but object3 doesn't, they won't be equal
// even though their signatures are the same
Assert.That(object1, Is.Not.EqualTo(object3));
var object4 = new ObjectWithAssignedId {
Name = "Acme"
};
// object3 and object4 are both transient and share the same signature
Assert.That(object3, Is.EqualTo(object4));
}