Test Harness¶
Purpose¶
The Test Harness provides repeatable checks for PLC behavior, subsystem logic, and regression scenarios.
Responsibilities¶
- Execute structured test scenarios.
- Provide test inputs and expected results.
- Record pass/fail status.
- Support regression testing after code changes.
Key Interfaces¶
| Interface | Direction | Description |
|---|---|---|
| Test scenario | Input | Selected test case or sequence |
| Test stimuli | Output | Controlled inputs to subsystems |
| Test result | Output | Pass/fail status and diagnostic context |
Notes¶
Tests should focus on observable behavior and should be easy to run before deployment.