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Merge pull request #369 from shelljs/simplify-ls
refactor(ls): greatly simplify ls implimentation
This commit is contained in:
Ari Porad
commit
cbbdb79211
10
src/find.js
10
src/find.js
@ -1,4 +1,5 @@
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var fs = require('fs');
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var path = require('path');
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var common = require('./common');
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var _ls = require('./ls');
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@ -20,16 +21,15 @@ var _ls = require('./ls');
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function _find(options, paths) {
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if (!paths)
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common.error('no path specified');
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else if (typeof paths === 'object')
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paths = paths; // assume array
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else if (typeof paths === 'string')
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paths = [].slice.call(arguments, 1);
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var list = [];
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function pushFile(file) {
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if (common.platform === 'win')
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if (common.platform === 'win') {
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file = file.replace(/\\/g, '/');
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}
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list.push(file);
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}
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@ -40,8 +40,8 @@ function _find(options, paths) {
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pushFile(file);
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if (fs.statSync(file).isDirectory()) {
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_ls('-RA', file+'/*').forEach(function(subfile) {
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pushFile(subfile);
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_ls('-RA', file).forEach(function(subfile) {
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pushFile(path.join(file, subfile));
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});
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}
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});
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139
src/ls.js
139
src/ls.js
@ -1,8 +1,9 @@
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var path = require('path');
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var fs = require('fs');
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var common = require('./common');
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var _cd = require('./cd');
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var _pwd = require('./pwd');
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var glob = require('glob');
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var globPatternRecursive = path.sep + '**' + path.sep + '*';
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//@
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//@ ### ls([options,] [path, ...])
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@ -46,119 +47,63 @@ function _ls(options, paths) {
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if (!paths)
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paths = ['.'];
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else if (typeof paths === 'object')
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paths = paths; // assume array
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else if (typeof paths === 'string')
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else
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paths = [].slice.call(arguments, 1);
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var list = [];
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// Conditionally pushes file to list - returns true if pushed, false otherwise
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// (e.g. prevents hidden files to be included unless explicitly told so)
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function pushFile(file, query) {
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var name = file.name || file;
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// hidden file?
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if (path.basename(name)[0] === '.') {
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// not explicitly asking for hidden files?
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if (!options.all && !(path.basename(query)[0] === '.' && path.basename(query).length > 1))
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return false;
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}
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if (common.platform === 'win')
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name = name.replace(/\\/g, '/');
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if (file.name) {
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file.name = name;
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function pushFile(abs, relName, stat) {
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if (process.platform === 'win32')
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relName = relName.replace(/\\/g, '/');
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if (options.long) {
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stat = stat || fs.lstatSync(abs);
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list.push(addLsAttributes(relName, stat));
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} else {
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file = name;
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// list.push(path.relative(rel || '.', file));
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list.push(relName);
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}
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list.push(file);
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return true;
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}
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paths.forEach(function(p) {
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if (fs.existsSync(p)) {
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var stats = ls_stat(p);
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// Simple file?
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if (stats.isFile()) {
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if (options.long) {
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pushFile(stats, p);
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} else {
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pushFile(p, p);
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}
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return; // continue
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}
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var stat;
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// Simple dir?
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if (options.directory) {
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pushFile(p, p);
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return;
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} else if (stats.isDirectory()) {
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// Iterate over p contents
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fs.readdirSync(p).forEach(function(file) {
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var orig_file = file;
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if (options.long)
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file = ls_stat(path.join(p, file));
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if (!pushFile(file, p))
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return;
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// Recursive?
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if (options.recursive) {
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var oldDir = _pwd().toString();
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_cd('', p);
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if (fs.statSync(orig_file).isDirectory())
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list = list.concat(_ls('-R'+(options.all?'A':''), orig_file+'/*'));
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_cd('', oldDir);
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}
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});
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return; // continue
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}
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}
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// p does not exist - possible wildcard present
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var basename = path.basename(p);
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var dirname = path.dirname(p);
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// Wildcard present on an existing dir? (e.g. '/tmp/*.js')
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if (basename.search(/\*/) > -1 && fs.existsSync(dirname) && fs.statSync(dirname).isDirectory) {
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// Escape special regular expression chars
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var regexp = basename.replace(/(\^|\$|\(|\)|<|>|\[|\]|\{|\}|\.|\+|\?)/g, '\\$1');
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// Translates wildcard into regex
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regexp = '^' + regexp.replace(/\*/g, '.*') + '$';
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// Iterate over directory contents
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fs.readdirSync(dirname).forEach(function(file) {
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if (file.match(new RegExp(regexp))) {
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var file_path = path.join(dirname, file);
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file_path = options.long ? ls_stat(file_path) : file_path;
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if (file_path.name)
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file_path.name = path.normalize(file_path.name);
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else
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file_path = path.normalize(file_path);
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if (!pushFile(file_path, basename))
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return;
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// Recursive?
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if (options.recursive) {
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var pp = dirname + '/' + file;
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if (fs.lstatSync(pp).isDirectory())
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list = list.concat(_ls('-R'+(options.all?'A':''), pp+'/*'));
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} // recursive
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} // if file matches
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}); // forEach
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try {
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stat = fs.lstatSync(p);
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} catch (e) {
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common.error('no such file or directory: ' + p, true);
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return;
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}
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common.error('no such file or directory: ' + p, true);
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// If the stat succeeded
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if (stat.isDirectory() && !options.directory) {
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if (options.recursive) {
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// use glob, because it's simple
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glob.sync(p + globPatternRecursive, { dot: options.all })
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.forEach(function (item) {
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pushFile(item, path.relative(p, item));
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});
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} else if (options.all) {
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// use fs.readdirSync, because it's fast
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fs.readdirSync(p).forEach(function (item) {
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pushFile(path.join(p, item), item);
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});
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} else {
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// use fs.readdirSync and then filter out secret files
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fs.readdirSync(p).forEach(function (item) {
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if (item[0] !== '.')
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pushFile(path.join(p, item), item);
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});
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}
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} else {
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pushFile(p, p, stat);
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}
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});
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// Add methods, to make this more compatible with ShellStrings
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return new common.ShellString(list, common.state.error);
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}
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module.exports = _ls;
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function ls_stat(path) {
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var stats = fs.statSync(path);
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function addLsAttributes(path, stats) {
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// Note: this object will contain more information than .toString() returns
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stats.name = path;
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stats.toString = function() {
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@ -167,3 +112,5 @@ function ls_stat(path) {
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};
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return stats;
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}
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module.exports = _ls;
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105
test/ls.js
105
test/ls.js
@ -8,12 +8,15 @@ shell.config.silent = true;
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shell.rm('-rf', 'tmp');
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shell.mkdir('tmp');
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var idx;
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var result;
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//
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// Invalids
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//
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assert.equal(fs.existsSync('/asdfasdf'), false); // sanity check
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var result = shell.ls('/asdfasdf'); // no such file or dir
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result = shell.ls('/asdfasdf'); // no such file or dir
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assert.ok(shell.error());
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assert.equal(result.length, 0);
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@ -21,15 +24,15 @@ assert.equal(result.length, 0);
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// Valids
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//
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var result = shell.ls();
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result = shell.ls();
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assert.equal(shell.error(), null);
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var result = shell.ls('/');
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result = shell.ls('/');
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assert.equal(shell.error(), null);
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// no args
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shell.cd('resources/ls');
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var result = shell.ls();
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result = shell.ls();
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('file1') > -1, true);
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assert.equal(result.indexOf('file2') > -1, true);
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@ -41,7 +44,7 @@ assert.equal(result.length, 6);
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shell.cd('../..');
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// simple arg
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var result = shell.ls('resources/ls');
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result = shell.ls('resources/ls');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('file1') > -1, true);
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assert.equal(result.indexOf('file2') > -1, true);
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@ -53,7 +56,7 @@ assert.equal(result.length, 6);
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// no args, 'all' option
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shell.cd('resources/ls');
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var result = shell.ls('-A');
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result = shell.ls('-A');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('file1') > -1, true);
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assert.equal(result.indexOf('file2') > -1, true);
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@ -68,7 +71,7 @@ shell.cd('../..');
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// no args, 'all' option
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shell.cd('resources/ls');
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var result = shell.ls('-a'); // (deprecated) backwards compatibility test
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result = shell.ls('-a'); // (deprecated) backwards compatibility test
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('file1') > -1, true);
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assert.equal(result.indexOf('file2') > -1, true);
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@ -82,14 +85,14 @@ assert.equal(result.length, 8);
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shell.cd('../..');
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// wildcard, very simple
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var result = shell.ls('resources/cat/*');
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result = shell.ls('resources/cat/*');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('resources/cat/file1') > -1, true);
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assert.equal(result.indexOf('resources/cat/file2') > -1, true);
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assert.equal(result.length, 2);
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// wildcard, simple
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var result = shell.ls('resources/ls/*');
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result = shell.ls('resources/ls/*');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('resources/ls/file1') > -1, true);
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assert.equal(result.indexOf('resources/ls/file2') > -1, true);
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@ -102,7 +105,7 @@ assert.ok(result.indexOf('b_dir') > -1);
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assert.equal(result.length, 7);
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// wildcard, simple, with -d
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var result = shell.ls('-d', 'resources/ls/*');
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result = shell.ls('-d', 'resources/ls/*');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('resources/ls/file1') > -1, true);
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assert.equal(result.indexOf('resources/ls/file2') > -1, true);
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@ -113,14 +116,14 @@ assert.ok(result.indexOf('resources/ls/a_dir') > -1);
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assert.equal(result.length, 6);
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// wildcard, hidden only
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var result = shell.ls('-d', 'resources/ls/.*');
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result = shell.ls('-d', 'resources/ls/.*');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('resources/ls/.hidden_file') > -1, true);
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assert.equal(result.indexOf('resources/ls/.hidden_dir') > -1, true);
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assert.equal(result.length, 2);
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// wildcard, mid-file
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var result = shell.ls('resources/ls/f*le*');
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result = shell.ls('resources/ls/f*le*');
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assert.equal(shell.error(), null);
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assert.equal(result.length, 5);
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assert.equal(result.indexOf('resources/ls/file1') > -1, true);
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@ -130,25 +133,25 @@ assert.equal(result.indexOf('resources/ls/file2.js') > -1, true);
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assert.equal(result.indexOf('resources/ls/filename(with)[chars$]^that.must+be-escaped') > -1, true);
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// wildcard, mid-file with dot (should escape dot for regex)
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var result = shell.ls('resources/ls/f*le*.js');
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result = shell.ls('resources/ls/f*le*.js');
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assert.equal(shell.error(), null);
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assert.equal(result.length, 2);
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assert.equal(result.indexOf('resources/ls/file1.js') > -1, true);
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assert.equal(result.indexOf('resources/ls/file2.js') > -1, true);
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// one file that exists, one that doesn't
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var result = shell.ls('resources/ls/file1.js', 'resources/ls/thisdoesntexist');
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result = shell.ls('resources/ls/file1.js', 'resources/ls/thisdoesntexist');
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assert.ok(shell.error());
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assert.equal(result.length, 1);
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assert.equal(result.indexOf('resources/ls/file1.js') > -1, true);
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// wildcard, should not do partial matches
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var result = shell.ls('resources/ls/*.j'); // shouldn't get .js
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assert.equal(shell.error(), null);
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result = shell.ls('resources/ls/*.j'); // shouldn't get .js
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assert.ok(shell.error());
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assert.equal(result.length, 0);
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// wildcard, all files with extension
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var result = shell.ls('resources/ls/*.*');
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result = shell.ls('resources/ls/*.*');
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assert.equal(shell.error(), null);
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assert.equal(result.length, 3);
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assert.equal(result.indexOf('resources/ls/file1.js') > -1, true);
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@ -156,7 +159,7 @@ assert.equal(result.indexOf('resources/ls/file2.js') > -1, true);
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assert.equal(result.indexOf('resources/ls/filename(with)[chars$]^that.must+be-escaped') > -1, true);
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// wildcard, with additional path
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var result = shell.ls('resources/ls/f*le*.js', 'resources/ls/a_dir');
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result = shell.ls('resources/ls/f*le*.js', 'resources/ls/a_dir');
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assert.equal(shell.error(), null);
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assert.equal(result.length, 4);
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assert.equal(result.indexOf('resources/ls/file1.js') > -1, true);
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@ -165,7 +168,7 @@ assert.equal(result.indexOf('b_dir') > -1, true); // no wildcard == no path pref
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assert.equal(result.indexOf('nada') > -1, true); // no wildcard == no path prefix
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// wildcard for both paths
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var result = shell.ls('resources/ls/f*le*.js', 'resources/ls/a_dir/*');
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result = shell.ls('resources/ls/f*le*.js', 'resources/ls/a_dir/*');
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assert.equal(shell.error(), null);
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assert.equal(result.length, 4);
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assert.equal(result.indexOf('resources/ls/file1.js') > -1, true);
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@ -174,7 +177,7 @@ assert.equal(result.indexOf('z') > -1, true);
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assert.equal(result.indexOf('resources/ls/a_dir/nada') > -1, true);
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// wildcard for both paths, array
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var result = shell.ls(['resources/ls/f*le*.js', 'resources/ls/a_dir/*']);
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result = shell.ls(['resources/ls/f*le*.js', 'resources/ls/a_dir/*']);
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assert.equal(shell.error(), null);
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assert.equal(result.length, 4);
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assert.equal(result.indexOf('resources/ls/file1.js') > -1, true);
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@ -184,7 +187,7 @@ assert.equal(result.indexOf('resources/ls/a_dir/nada') > -1, true);
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// recursive, no path
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shell.cd('resources/ls');
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var result = shell.ls('-R');
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result = shell.ls('-R');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('a_dir') > -1, true);
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assert.equal(result.indexOf('a_dir/b_dir') > -1, true);
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@ -193,7 +196,7 @@ assert.equal(result.length, 9);
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shell.cd('../..');
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// recusive, path given
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var result = shell.ls('-R', 'resources/ls');
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result = shell.ls('-R', 'resources/ls');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('a_dir') > -1, true);
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assert.equal(result.indexOf('a_dir/b_dir') > -1, true);
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@ -201,7 +204,7 @@ assert.equal(result.indexOf('a_dir/b_dir/z') > -1, true);
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assert.equal(result.length, 9);
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// recusive, path given - 'all' flag
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var result = shell.ls('-RA', 'resources/ls');
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result = shell.ls('-RA', 'resources/ls');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('a_dir') > -1, true);
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assert.equal(result.indexOf('a_dir/b_dir') > -1, true);
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@ -210,32 +213,37 @@ assert.equal(result.indexOf('a_dir/.hidden_dir/nada') > -1, true);
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assert.equal(result.length, 14);
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// recursive, wildcard
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var result = shell.ls('-R', 'resources/ls');
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result = shell.ls('-R', 'resources/ls');
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assert.equal(shell.error(), null);
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assert.equal(result.indexOf('a_dir') > -1, true);
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assert.equal(result.indexOf('a_dir/b_dir') > -1, true);
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assert.equal(result.indexOf('a_dir/b_dir/z') > -1, true);
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assert.equal(result.length, 9);
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// -Rd works like -d
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result = shell.ls('-Rd', 'resources/ls');
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assert.equal(shell.error(), null);
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assert.equal(result.length, 1);
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// directory option, single arg
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var result = shell.ls('-d', 'resources/ls');
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result = shell.ls('-d', 'resources/ls');
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assert.equal(shell.error(), null);
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assert.equal(result.length, 1);
|
||||
|
||||
// directory option, single arg with trailing '/'
|
||||
var result = shell.ls('-d', 'resources/ls/');
|
||||
result = shell.ls('-d', 'resources/ls/');
|
||||
assert.equal(shell.error(), null);
|
||||
assert.equal(result.length, 1);
|
||||
|
||||
// directory option, multiple args
|
||||
var result = shell.ls('-d', 'resources/ls/a_dir', 'resources/ls/file1');
|
||||
result = shell.ls('-d', 'resources/ls/a_dir', 'resources/ls/file1');
|
||||
assert.equal(shell.error(), null);
|
||||
assert.ok(result.indexOf('resources/ls/a_dir') > -1);
|
||||
assert.ok(result.indexOf('resources/ls/file1') > -1);
|
||||
assert.equal(result.length, 2);
|
||||
|
||||
// directory option, globbed arg
|
||||
var result = shell.ls('-d', 'resources/ls/*');
|
||||
result = shell.ls('-d', 'resources/ls/*');
|
||||
assert.equal(shell.error(), null);
|
||||
assert.ok(result.indexOf('resources/ls/a_dir') > -1);
|
||||
assert.ok(result.indexOf('resources/ls/file1') > -1);
|
||||
@ -247,9 +255,11 @@ assert.ok(result.indexOf('resources/ls/filename(with)[chars$]^that.must+be-escap
|
||||
assert.equal(result.length, 6);
|
||||
|
||||
// long option, single file
|
||||
var result = shell.ls('-l', 'resources/ls/file1')[0];
|
||||
result = shell.ls('-l', 'resources/ls/file1');
|
||||
assert.equal(result.length, 1);
|
||||
result = result[0];
|
||||
assert.equal(shell.error(), null);
|
||||
assert.equal(result.name, 'resources/ls/file1');
|
||||
assert.ok(result.name, 'file1');
|
||||
assert.equal(result.nlink, 1);
|
||||
assert.equal(result.size, 5);
|
||||
assert.ok(result.mode); // check that these keys exist
|
||||
@ -261,9 +271,11 @@ assert.ok(result.ctime); // check that these keys exist
|
||||
assert.ok(result.toString().match(/^(\d+ +){5}.*$/));
|
||||
|
||||
// long option, glob files
|
||||
var result = shell.ls('-l', 'resources/ls/f*le1')[0];
|
||||
result = shell.ls('-l', 'resources/ls/f*le1');
|
||||
assert.equal(result.length, 1);
|
||||
result = result[0];
|
||||
assert.equal(shell.error(), null);
|
||||
assert.equal(result.name, 'resources/ls/file1');
|
||||
assert.ok(result.name, 'file1');
|
||||
assert.equal(result.nlink, 1);
|
||||
assert.equal(result.size, 5);
|
||||
assert.ok(result.mode); // check that these keys exist
|
||||
@ -275,18 +287,19 @@ assert.ok(result.ctime); // check that these keys exist
|
||||
assert.ok(result.toString().match(/^(\d+ +){5}.*$/));
|
||||
|
||||
// long option, directory
|
||||
var result = shell.ls('-l', 'resources/ls');
|
||||
result = shell.ls('-l', 'resources/ls');
|
||||
assert.equal(shell.error(), null);
|
||||
var idx;
|
||||
idx = -1;
|
||||
for (var k=0; k < result.length; k++) {
|
||||
if (result[k].name === 'resources/ls/file1') {
|
||||
if (result[k].name === 'file1') {
|
||||
idx = k;
|
||||
break;
|
||||
}
|
||||
}
|
||||
assert.ok(idx);
|
||||
assert.ok(idx >= 0);
|
||||
assert.equal(result.length, 6);
|
||||
result = result[idx];
|
||||
assert.equal(result.name, 'resources/ls/file1');
|
||||
assert.equal(result.name, 'file1');
|
||||
assert.equal(result.nlink, 1);
|
||||
assert.equal(result.size, 5);
|
||||
assert.ok(result.mode); // check that these keys exist
|
||||
@ -297,21 +310,23 @@ assert.ok(result.atime); // check that these keys exist
|
||||
assert.ok(result.ctime); // check that these keys exist
|
||||
assert.ok(result.toString().match(/^(\d+ +){5}.*$/));
|
||||
|
||||
// long option, directory, recursive
|
||||
var result = shell.ls('-lR', 'resources/ls/');
|
||||
// long option, directory, recursive (and windows converts slashes)
|
||||
result = shell.ls('-lR', 'resources/ls/');
|
||||
assert.equal(shell.error(), null);
|
||||
var idx;
|
||||
idx = -1;
|
||||
for (var k=0; k < result.length; k++) {
|
||||
if (result[k].name === 'resources/ls/file1') {
|
||||
if (result[k].name === 'a_dir/b_dir') {
|
||||
idx = k;
|
||||
break;
|
||||
}
|
||||
}
|
||||
assert.ok(idx);
|
||||
assert.equal(result.length, 9);
|
||||
assert.ok(idx >= 0);
|
||||
result = result[idx];
|
||||
assert.equal(result.name, 'resources/ls/file1');
|
||||
assert.equal(result.nlink, 1);
|
||||
assert.equal(result.size, 5);
|
||||
assert.equal(result.name, result.name);
|
||||
assert.ok(fs.statSync('resources/ls/a_dir/b_dir').isDirectory());
|
||||
assert.ok(typeof result.nlink === 'number'); // This can vary between the local machine and travis
|
||||
assert.ok(typeof result.size === 'number'); // This can vary between different file systems
|
||||
assert.ok(result.mode); // check that these keys exist
|
||||
assert.ok(process.platform === 'win32' || result.uid); // only on unix
|
||||
assert.ok(process.platform === 'win32' || result.gid); // only on unix
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user