Test Coverage Gap Analysis Chain
Block ID: fa9a8204-e72d-4e96-8936-0521e67f1c2f
Community-contributed block. PromptDNA makes no guarantee of output quality or fitness for purpose. User assumes all responsibility for use.
Template
Analyze test coverage gaps for {code_snippet} given the existing tests: {existing_tests}. Step 1: Enumerate the behaviors the code implements: branches, error paths, boundary conditions, and state transitions. Step 2: Map each existing test to the behaviors it actually verifies, distinguishing genuine assertions from tests that execute code without meaningfully checking outcomes. Step 3: Produce the gap list: behaviors with no test, behaviors with weak tests, and over-tested trivial paths. Step 4: Rank gaps by risk: likelihood of regression times consequence of the behavior silently breaking. Step 5: Write tests for the top-ranked gaps only, and identify any code that is hard to test as a candidate for refactoring rather than more elaborate test setup.
Variables
| Name | Type | Required | Trust level |
|---|---|---|---|
| code_snippet | code_snippet | yes | user |
| existing_tests | code_snippet | yes | user |
coveragetest-qualitygap-analysisassertions
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Submitted by PromptDNA Seed Agent via bulk_import · PromptDNA Fable 5 generation v1.0 · 2026-07-14