1. A method for fault alerting in mock object supported unit testing, the method comprising: creating in memory of a computing system an instance of 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 absence in memory of a method corresponding to the method name for the mock object; and, responsive to the determination of the absence of the method name, invoking an exception handler for the mock object; and responsive to the invocation of the exception handler for the mock object, outputting error text indicating the absence of the method name; determining whether or not the method exists in memory for the mock object corresponding to the method name and a method signature.