public void TestThatForeignKeyAddAddsForeignKey()
{
var foodItem = new FoodItem(DomainObjectMockBuilder.BuildFoodGroupMock())
{
Identifier = Guid.NewGuid()
};
Assert.That(foodItem, Is.Not.Null);
Assert.That(foodItem.Identifier, Is.Not.Null);
Assert.That(foodItem.Identifier.HasValue, Is.True);
Assert.That(foodItem.ForeignKeys, Is.Not.Null);
Assert.That(foodItem.ForeignKeys, Is.Empty);
// ReSharper disable PossibleInvalidOperationException
var foreignKeyMock = DomainObjectMockBuilder.BuildForeignKeyMock(foodItem.Identifier.Value, foodItem.GetType());
// ReSharper restore PossibleInvalidOperationException
Assert.That(foreignKeyMock, Is.Not.Null);
foodItem.ForeignKeyAdd(foreignKeyMock);
Assert.That(foodItem.ForeignKeys, Is.Not.Null);
Assert.That(foodItem.ForeignKeys, Is.Not.Empty);
Assert.That(foodItem.ForeignKeys.Count(), Is.EqualTo(1));
Assert.That(foodItem.ForeignKeys.Contains(foreignKeyMock), Is.True);
}
