testharness

noun
UK /ˈtestˌhɑːnɪs/
US /ˈtestˌhɑːrnɪs/

A test harness is a set of tools that helps people check if a program works right.

The engineers used a test harness to run all the checks on the new app.


OTHER MEANINGS

2. A collection of software and test data set up to test a program under different conditions.

The test harness simulated thousands of users at once.

3. A physical rig or setup used to test equipment or machinery.

They mounted the engine on a test harness before the flight.

4. In software engineering, the combination of stubs and drivers that supports automated testing.

The developer wrote stubs as part of the test harness.