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.opencode/plugin/scout-block/tests/test-pattern-matcher.cjs

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+#!/usr/bin/env node
+/**
+ * test-pattern-matcher.cjs - Unit tests for pattern-matcher module
+ */
+
+const path = require('path');
+const { loadPatterns, createMatcher, matchPath, DEFAULT_PATTERNS } = require('../pattern-matcher.cjs');
+
+const tests = [
+  // === Basic blocking at root ===
+  { path: 'node_modules/lodash', expected: true, desc: 'root node_modules with content' },
+  { path: 'node_modules', expected: true, desc: 'root node_modules bare' },
+  { path: '.git/objects', expected: true, desc: 'root .git' },
+  { path: 'dist/bundle.js', expected: true, desc: 'root dist' },
+  { path: 'build/output', expected: true, desc: 'root build' },
+  { path: '__pycache__/file.pyc', expected: true, desc: 'root __pycache__' },
+
+  // === Subfolder blocking (THE BUG FIX!) ===
+  { path: 'packages/web/node_modules/react', expected: true, desc: 'subfolder node_modules (monorepo)' },
+  { path: 'apps/api/node_modules', expected: true, desc: 'subfolder node_modules bare' },
+  { path: 'packages/.git/HEAD', expected: true, desc: 'subfolder .git' },
+  { path: 'packages/web/dist/index.js', expected: true, desc: 'subfolder dist' },
+  { path: 'apps/backend/build/server.js', expected: true, desc: 'subfolder build' },
+  { path: 'packages/shared/__pycache__/module.pyc', expected: true, desc: 'subfolder __pycache__' },
+
+  // === Deep nesting ===
+  { path: 'a/b/c/d/node_modules/e', expected: true, desc: 'deep nested node_modules' },
+  { path: 'projects/monorepo/packages/web/node_modules/react/index.js', expected: true, desc: 'very deep nested' },
+
+  // === Allowed paths ===
+  { path: 'src/index.js', expected: false, desc: 'src directory' },
+  { path: 'packages/web/src/App.tsx', expected: false, desc: 'nested src' },
+  { path: 'lib/utils.js', expected: false, desc: 'lib directory' },
+  { path: 'README.md', expected: false, desc: 'root file' },
+  { path: 'apps/api/server.ts', expected: false, desc: 'nested app file' },
+
+  // === Edge cases (should NOT be blocked) ===
+  { path: 'my-node_modules-project/file.js', expected: false, desc: 'node_modules in project name' },
+  { path: 'build-tools/script.sh', expected: false, desc: 'build- prefix in name' },
+  { path: 'src/dist-utils.js', expected: false, desc: 'dist- prefix in name' },
+  { path: 'nodemodulesbackup/file.js', expected: false, desc: 'node_modules without separator' },
+  { path: 'distro/file.js', expected: false, desc: 'dist prefix without separator' },
+];
+
+console.log('Testing pattern-matcher module...\n');
+
+const matcher = createMatcher(DEFAULT_PATTERNS);
+let passed = 0;
+let failed = 0;
+
+for (const test of tests) {
+  const result = matchPath(matcher, test.path);
+  const success = result.blocked === test.expected;
+  if (success) {
+    console.log(`\x1b[32m✓\x1b[0m ${test.desc}: ${test.path} -> ${result.blocked ? 'BLOCKED' : 'ALLOWED'}`);
+    passed++;
+  } else {
+    console.log(`\x1b[31m✗\x1b[0m ${test.desc}: expected ${test.expected ? 'BLOCKED' : 'ALLOWED'}, got ${result.blocked ? 'BLOCKED' : 'ALLOWED'}`);
+    failed++;
+  }
+}
+
+console.log(`\nResults: ${passed} passed, ${failed} failed`);
+process.exit(failed > 0 ? 1 : 0);