Abstract: Methods and apparatus for detecting and correcting invalid test definition data in user input are disclosed. In one embodiment, apparatus includes computer readable media, and program code stored on the computer readable media. The program code has code to define a user interface, and code that interacts with the user interface. A first portion of code that interacts with the user interface detects invalid test definition data in user input and, upon detection of invalid test definition data, prompts a user to select a valid data option from a set of valid data options. The prompting is undertaken through the user interface. A second portion of code that interacts with the user interface receives a valid data option selected through the user interface, and updates the invalid test definition data with the valid data option. Methods and apparatus for compiling the set of valid data options are also disclosed.