Why it matters

Test agents scale test coverage. Understanding shapes QA automation.

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The architecture

Analyze target code.

Generate JUnit tests.

Run + verify pass.

Compute coverage delta.

Test agent flowTarget codesource class/methodGenerate testsJUnit + mocksRun + measurecoverage deltaCombine mutation testing to verify test quality, not just coverage
Test agent.
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How it works end to end

JUnit + Mockito standard.

Mutation testing (PIT) validates quality.

Coverage tools: JaCoCo.

Iterate on failures.