public void TestThatForeignKeyAddThrowsArgumentNullExceptionWhenForeignKeyIsNull()
{
var foodGroup = new FoodGroup();
Assert.That(foodGroup, Is.Not.Null);
var exception = Assert.Throws <ArgumentNullException>(() => foodGroup.ForeignKeyAdd(null));
Assert.That(exception, Is.Not.Null);
Assert.That(exception.ParamName, Is.Not.Null);
Assert.That(exception.ParamName, Is.Not.Empty);
Assert.That(exception.ParamName, Is.EqualTo("foreignKey"));
Assert.That(exception.InnerException, Is.Null);
}
public void TestThatForeignKeyAddAddsForeignKey()
{
var foodGroup = new FoodGroup
{
Identifier = Guid.NewGuid()
};
Assert.That(foodGroup, Is.Not.Null);
Assert.That(foodGroup.ForeignKeys, Is.Not.Null);
Assert.That(foodGroup.ForeignKeys, Is.Empty);
// ReSharper disable PossibleInvalidOperationException
var foreignKeyMock = DomainObjectMockBuilder.BuildForeignKeyMock(foodGroup.Identifier.Value, foodGroup.GetType());
// ReSharper restore PossibleInvalidOperationException
foodGroup.ForeignKeyAdd(foreignKeyMock);
Assert.That(foodGroup.ForeignKeys, Is.Not.Null);
Assert.That(foodGroup.ForeignKeys, Is.Not.Empty);
Assert.That(foodGroup.ForeignKeys.Count(), Is.EqualTo(1));
Assert.That(foodGroup.ForeignKeys.Contains(foreignKeyMock), Is.True);
}