metamorphic relation
🤖 CT-AI
📘 CTAL-TA
Official ISTQB Definition
A description of how a change to an input for a test case affects an expected result based on the required behavior of a test item.
3 Ways to Think About It
The Quick Take
A known relationship between input changes and output changes.
Look Closer
If you modify the input this way, the output should change that way.
The Bottom Line
Rules about how outputs should relate when inputs are transformed.
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