v0.3.2

tests/heuristics.test.ts

@@ -0,0 +1,27 @@
+import { describe, expect, it } from 'vitest';
+import { analyseCopyPatterns } from '../src/content/heuristics';
+import { evidenceFromHeuristics, heuristicScore } from '../src/background/heuristics';
+
+describe('page heuristics', () => {
+  it('finds dense buzzwords and em-dash cadence without declaring an AI verdict', () => {
+    const text = 'Supercharge your workflow with our world-class, enterprise-grade platform — move faster — work smarter — without compromise.';
+    const findings = analyseCopyPatterns(text);
+    expect(findings.map((finding) => finding.ruleId)).toEqual(expect.arrayContaining([
+      'copy-marketing-buzzwords',
+      'copy-em-dash-cadence'
+    ]));
+    expect(evidenceFromHeuristics(findings).every((item) => item.verdict === 'unknown')).toBe(true);
+  });
+
+  it('adds a diversity point when independent categories agree', () => {
+    const evidence = evidenceFromHeuristics([
+      { ruleId: 'one', category: 'visual', title: 'One', detail: 'One', score: 2, occurrences: 1 },
+      { ruleId: 'two', category: 'layout', title: 'Two', detail: 'Two', score: 3, occurrences: 1 }
+    ]);
+    expect(heuristicScore(evidence)).toBe(6);
+  });
+
+  it('ignores ordinary direct prose', () => {
+    expect(analyseCopyPatterns('The archive contains monthly invoices. Select a year, then download the required PDF.')).toEqual([]);
+  });
+});