Test help

lib/help/index.js

@@ -1,21 +1,23 @@
 var fs = require('fs'),
-    path = require('path'),
-    utils = require('../utils');
+    path = require('path');
 
 module.exports = help;
 
 function help(item) {
   if (!item) {
     item = 'help';
   } else if (item === true) { // if used with -h or --help and no args
-    item = 'help'
+    item = 'help';
   }
 
-  fs.readFile(path.join(__dirname, '..', '..', 'doc', 'cli', item + '.txt'), 'utf8', function (err, body) {
-    if (err) {
-      return utils.log.error(item + ' help can\'t be found');
-    }
-    console.log(body);
-    process.exit(0);
-  });
+  // cleanse the filename to only contain letters
+  // aka: /\W/g but figured this was eaiser to read
+  item = item.replace(/[^a-z]/gi, '');
+
+  try {
+    var body = fs.readFileSync(path.join(__dirname, '..', '..', 'doc', 'cli', item + '.txt'), 'utf8');
+    return body;
+  } catch (e) {
+    return '"' + item + '" help can\'t be found';
+  }
 }

lib/nodemon.js

@@ -32,7 +32,8 @@ function nodemon(settings) {
   }
 
   if (settings.help) {
-    return help(settings.help);
+    console.log(help(settings.help));
+    process.exit(0);
   }
 
   if (settings.version) {

test/fixtures/help.txt

@@ -0,0 +1 @@
+This file should not be read.

test/help/help.test.js

@@ -0,0 +1,20 @@
+/*global describe:true, it: true */
+var help = require('../../lib/help'),
+    assert = require('assert');
+
+describe('help', function () {
+  it('should load index by default', function () {
+    var page = help();
+    assert(page.indexOf('Usage: nodemon') !== -1, 'shows default help page');
+  });
+
+  it('should load specific help topic', function () {
+    var page = help('authors');
+    assert(page.indexOf('Remy Sharp') !== -1, 'shows specific topic');
+  });
+
+  it('should not expose files', function () {
+    var page = help('../../test/fixtures/help');
+    assert(page.indexOf('" help can\'t be found') !== -1, 'shows help cannot be found');
+  });
+});