A test tool infrastructure comprising: a test tool interface for generating a test tool module, the test tool interface including: a variable declaration input to create a variable declaration block of the test tool module, the variable declaration block user can declare fixed string variables, random integer variables and random string variables; a preparation input to create a preparation block of the test tool module, the preparation block including processes executed once for the entire program; an initial input to create an initial block of the test tool module, the initial block including processes executed once for each client specified in the initial block; a loop input to create loop block of the test tool module, the loop block including processes executed a number of times specified in an iteration command; a cleanup input to create a cleanup block of the test tool module, the cleanup block including clean-up processes executed once for each client; and a terminate input to create a terminate preparation block of the test tool module, the terminate preparation block including clean-up processes executed once for the entire program.