Prompt

Test Case Generator Prompt

Generate meaningful test cases from a function signature.

1 min readupdated 2026-07-04

/ quick answer

Use after writing a function to seed a test file. Generate meaningful test cases from a function signature.

Generate meaningful test cases from a function signature. Use after writing a function to seed a test file. Copy the prompt below, swap the bracketed variables for your own context, and run it in any capable model. This prompt node is part of the Onexial knowledge graph and links to related concepts, workflows and tools below.

Context

Use after writing a function to seed a test file.

Prompt

Given the function, propose test cases.

Cover:
- Happy path (with concrete inputs).
- 3 edge cases (empty, boundary, large).
- 2 error paths (invalid input, dependency failure).

For each test: description, input, expected output.

Function:
{{code}}

Example Output

Happy path: input [1,2,3] → 6.
Edge: input [] → 0.
Edge: input [Number.MAX_SAFE_INTEGER, 1] → Infinity or error...

/ frequently asked

What does the Test Case Generator Prompt prompt do?

Use after writing a function to seed a test file.

Which AI models work with this prompt?

It is model-agnostic: it works with any capable general model. Replace the bracketed variables with your own context before running it.

What output should I expect?

Happy path: input [1,2,3] → 6. Edge: input [] → 0. Edge: input [Number.MAX_SAFE_INTEGER, 1] → Infinity or error...

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