public void IsNew_ForNewInstance_ReturnsTrue()
{
var entity = new EntityWithIdOfString() ;
Assert.IsNull(entity.Id);
Assert.IsTrue(entity.IsNew());
}
public void NonNullInstance_ComparedWillObject_IsFalse()
{
EntityWithIdOfString entity1 = new EntityWithIdOfString { Id = "12345" };
object entity2 = null;
Assert.IsFalse(entity1.Equals(entity2));
}
public void Compare_InstanceWithTransientID_With_InstanceWithNonTransientID_AreNotEqual()
{
var entity1 = new EntityWithIdOfString();
var entity2 = new EntityWithIdOfString { Id = "12345" };
Assert.IsFalse(entity1.Equals(entity2));
}
public void IsNew_WithNonDefaultValues_ReturnFalse()
{
var entity = new EntityWithIdOfString
{
Id = "12345"
};
Assert.IsFalse(entity.IsNew());
}
public void Id_ResetToEmptyString_ThrowsException()
{
var entity = new EntityWithIdOfString
{
Id = "12345"
};
entity.Id = string.Empty;
}
public void Id_ResetToDefaultValue_ThrowsException()
{
var entity = new EntityWithIdOfString
{
Id = "12345"
};
entity.Id = null;
}
public void TwoInstances_WithSameId_ShouldBeEqual()
{
string id = "123456_ABC";
var entity1 = new EntityWithIdOfString { Id = id };
var entity2 = new EntityWithIdOfString { Id = id };
Assert.IsTrue(Equals(entity1, entity2));
Assert.IsTrue(entity2.Equals(entity1));
Assert.AreEqual(entity1.GetHashCode(), entity2.GetHashCode());
}
public void TwoInstances_WithDifferentIds_Should_NOT_BeEqual()
{
var entity1 = new EntityWithIdOfString { Id = "12345" };
var entity2 = new EntityWithIdOfString { Id = "ABCDE" };
Assert.IsFalse(Equals(entity1, entity2));
Assert.IsFalse(entity2.Equals(entity1));
Assert.AreNotEqual(entity1.GetHashCode(), entity2.GetHashCode());
}
public void TwoNewInstances_ShouldBeEqual()
{
var entity1 = new EntityWithIdOfString();
var entity2 = new EntityWithIdOfString();
Assert.IsTrue(Equals(entity1, entity2));
Assert.IsTrue(entity2.Equals(entity1));
Assert.AreEqual(entity1.GetHashCode(), entity2.GetHashCode());
}
