find files

test/glob.test.js

@@ -0,0 +1,61 @@
+'use strict';
+
+/**
+ * Tests for the glob helpers in src/glob.js, shared by ripgrep and find_files.
+ *
+ * Run with:  node --test
+ * (or)       node --test test/glob.test.js
+ */
+
+import test from 'node:test';
+import assert from 'node:assert/strict';
+
+import { escapeRegExp, globToRegExp, makeGlobMatcher } from '../src/glob.js';
+
+test('escapeRegExp: escapes regex metacharacters', () => {
+    assert.equal(escapeRegExp('a.b*c'), 'a\\.b\\*c');
+    assert.ok(new RegExp(escapeRegExp('a.b')).test('a.b'));
+    assert.ok(!new RegExp(escapeRegExp('a.b')).test('axb'));
+});
+
+test('globToRegExp: * stays within a path segment', () => {
+    const rx = globToRegExp('*.js');
+    assert.ok(rx.test('a.js'));
+    assert.ok(!rx.test('src/a.js'));
+});
+
+test('globToRegExp: ** crosses path separators', () => {
+    const rx = globToRegExp('src/**/*.js');
+    assert.ok(rx.test('src/a/b/c.js'));
+    // "**/" also matches zero directories.
+    assert.ok(rx.test('src/a.js'));
+});
+
+test('globToRegExp: ? matches a single non-slash char', () => {
+    const rx = globToRegExp('a?c');
+    assert.ok(rx.test('abc'));
+    assert.ok(!rx.test('ac'));
+    assert.ok(!rx.test('a/c'));
+});
+
+test('makeGlobMatcher: slashless glob also matches the basename', () => {
+    const m = makeGlobMatcher('*.js');
+    assert.ok(m('src/a.js', 'a.js'));
+    assert.ok(!m('src/a.ts', 'a.ts'));
+});
+
+test('makeGlobMatcher: glob with a slash matches the whole path', () => {
+    const m = makeGlobMatcher('src/**/*.js');
+    assert.ok(m('src/tools/a.js', 'a.js'));
+    assert.ok(!m('test/a.js', 'a.js'));
+});
+
+test('makeGlobMatcher: ignores a trailing slash on directories', () => {
+    const m = makeGlobMatcher('node_modules');
+    assert.ok(m('node_modules/', 'node_modules'));
+});
+
+test('makeGlobMatcher: ignoreCase makes matching case-insensitive', () => {
+    assert.ok(makeGlobMatcher('*.JS', { ignoreCase: true })('a.js', 'a.js'));
+    assert.ok(!makeGlobMatcher('*.JS')('a.js', 'a.js'));
+});