1. A method for fault alerting in mock object supported unit testing comprising: creating in memory of a computing system an instance a mock object proxying for an object under test by test code; proxying by method name an invocation of a method in the object under test to the mock object; determining whether or not a method exists in memory for the mock object corresponding to the method name; and, invoking an exception handler for the mock object outputting error text indicating a non-presence of a method associated with the method name responsive to a method by the method name not existing in the memory for the mock object, but otherwise invoking a method that exists in the memory of the mock object corresponding to the method name.