An apparatus and method for validating a computer model is described. In one embodiment, a computer-readable medium comprises instructions to associate a set of configurations of a computer model with a stimulus-response test, each configuration of the set of configurations representing a different model scenario, the stimulus-response test defining a modification to each configuration of the set of configurations. The computer-readable medium also comprises instructions to apply the stimulus-response test to the set of configurations to produce a simulated response for each configuration of the set of configurations and instructions to compare the simulated responses for the set of configurations with an expected response to the stimulus-response test.