86 lines
2.4 KiB
TypeScript
86 lines
2.4 KiB
TypeScript
import { assert } from "https://deno.land/std@0.224.0/testing/asserts.ts";
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/**
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* Proof of Concept: Mutation Testing Scores (Gen 2)
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*
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* Demonstrates the Adversary enforcing edge-case quality by consuming structured
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* mutation score data generated from a (simulated) external tool, forcing the Coder
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* agent to rewrite tests if a threshold is not met.
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*/
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// Simulated output that would normally be generated by a mutation framework like Stryker
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// We simulate loading it from a file
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async function generateAndLoadMutationReport(filePath: string) {
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await Deno.writeTextFile(
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filePath,
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JSON.stringify({
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mutationScore: 65.4,
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threshold: 80.0,
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survivingMutants: [
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{
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file: "src/auth.ts",
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line: 42,
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mutator: "ConditionalExpression",
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status: "Survived",
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},
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],
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}),
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);
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return JSON.parse(await Deno.readTextFile(filePath));
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}
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function verifyQualityGate(report: any): { pass: boolean; feedback: string[] } {
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const feedback = [];
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if (report.mutationScore < report.threshold) {
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feedback.push(
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`Mutation score ${report.mutationScore}% is below threshold ${report.threshold}%`,
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);
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}
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report.survivingMutants.forEach((mutant: any) => {
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if (mutant.status === "Survived") {
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feedback.push(
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`Mutant survived in ${mutant.file}:${mutant.line} via ${mutant.mutator}. Add edge-case test.`,
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);
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}
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});
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return {
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pass: feedback.length === 0,
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feedback,
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};
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}
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if (import.meta.main) {
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console.log("Running Mutation Testing PoC (Gen 2) tests...");
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try {
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const tempReport = await Deno.makeTempFile({ suffix: ".json" });
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const report = await generateAndLoadMutationReport(tempReport);
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const gate = verifyQualityGate(report);
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assert(
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gate.pass === false,
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"Expected quality gate to fail due to low mutation score",
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);
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assert(
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gate.feedback.length === 2,
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"Expected 2 pieces of critical feedback",
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);
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console.log(
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"Adversary Agent Feedback generated from real File I/O mutation report:",
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);
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gate.feedback.forEach((f) => console.log(` - ${f}`));
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await Deno.remove(tempReport);
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console.log(
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"✅ Mutation Testing PoC (Gen 2) successful: Enforced strict quality gate via structured report data.",
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);
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} catch (err) {
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console.error("❌ Mutation Testing PoC (Gen 2) failed:", err);
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Deno.exit(1);
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}
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}
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