basant307/AI_Governance_Project

1'use strict';2 3var test = require('tape');4var parse = require('../').parse;5 6test('parse shell commands', function (t) {7	t.same(parse(''), [], 'parses an empty string');8 9	t['throws'](10		function () { parse('${}'); },11		Error,12		'empty substitution throws'13	);14	t['throws'](15		function () { parse('${'); },16		Error,17		'incomplete substitution throws'18	);19 20	t.same(parse('a \'b\' "c"'), ['a', 'b', 'c']);21	t.same(22		parse('beep "boop" \'foo bar baz\' "it\'s \\"so\\" groovy"'),23		['beep', 'boop', 'foo bar baz', 'it\'s "so" groovy']24	);25	t.same(parse('a b\\ c d'), ['a', 'b c', 'd']);26	t.same(parse('\\$beep bo\\`op'), ['$beep', 'bo`op']);27	t.same(parse('echo "foo = \\"foo\\""'), ['echo', 'foo = "foo"']);28	t.same(parse(''), []);29	t.same(parse(' '), []);30	t.same(parse('\t'), []);31	t.same(parse('a"b c d"e'), ['ab c de']);32	t.same(parse('a\\ b"c d"\\ e f'), ['a bc d e', 'f']);33	t.same(parse('a\\ b"c d"\\ e\'f g\' h'), ['a bc d ef g', 'h']);34	t.same(parse("x \"bl'a\"'h'"), ['x', "bl'ah"]);35	t.same(parse("x bl^'a^'h'", {}, { escape: '^' }), ['x', "bl'a'h"]);36	t.same(parse('abcH def', {}, { escape: 'H' }), ['abc def']);37 38	t.deepEqual(parse('# abc  def  ghi'), [{ comment: ' abc  def  ghi' }], 'start-of-line comment content is unparsed');39	t.deepEqual(parse('xyz # abc  def  ghi'), ['xyz', { comment: ' abc  def  ghi' }], 'comment content is unparsed');40 41	t.deepEqual(parse('-x "" -y'), ['-x', '', '-y'], 'empty string is preserved');42 43	t.same(44		parse('2;b', {}, { escape: 'd' }),45		[{ op: '2;b' }],46		'control char in unquoted context mid-token with regex-special escape returns op'47	);48 49	t.end();50});51 52test('parse stays linear in token count (GHSA-395f-4hp3-45gv)', function (t) {53	// the old concat-in-reduce finalizer was O(n^2): this many tokens took54	// ~minutes, so under the unfixed code this test hangs rather than passes55	var n = 2e5;56	var input = new Array(n + 1).join('x '); // avoid String#repeat for old engines57 58	var words = parse(input);59	t.equal(words.length, n, 'every token is returned');60	t.equal(words[0], 'x', 'first token is correct');61	t.equal(words[n - 1], 'x', 'last token is correct');62 63	var withEnv = parse(input, function () { return 'v'; });64	t.equal(withEnv.length, n, 'env-function path returns every token');65 66	t.end();67});68