Add mocha test to check validity of all external links

.gitignore

@@ -0,0 +1 @@
+/node_modules

.travis.yml

@@ -0,0 +1,7 @@
+language: node_js
+node_js:
+ - "7"
+
+branches:
+ only:
+ - master

package.json

@@ -0,0 +1,30 @@
+{
+ "name": "awesome-campus-expert",
+ "version": "1.0.0",
+ "description": "A curated list of awesome resources for GitHub Campus Experts",
+ "main": "index.js",
+ "directories": {
+ "test": "test"
+ },
+ "scripts": {
+ "test": "mocha './test/**/*_spec.js'"
+ },
+ "repository": {
+ "type": "git",
+ "url": "git+https://github.com/campus-experts/awesome-campus-expert.git"
+ },
+ "author": "GitHub Campus Experts",
+ "license": "UNLICENSED",
+ "bugs": {
+ "url": "https://github.com/campus-experts/awesome-campus-expert/issues"
+ },
+ "homepage": "https://github.com/campus-experts/awesome-campus-expert#readme",
+ "devDependencies": {
+ "async": "^2.4.0",
+ "link-check": "^4.0.2",
+ "lodash": "^4.17.4",
+ "markdown-link-extractor": "^1.1.0",
+ "mocha": "^3.4.1",
+ "should": "^11.2.1"
+ }
+}

test/list_spec.js

@@ -0,0 +1,33 @@
+const path = require('path');
+const fs = require('fs');
+const should = require('should');
+const checkExternalLinks = require('./utils/external-link-checker');
+
+describe('Awesome list', function() {
+
+ describe('links', function() {
+
+ it('should all be valid', function(done) {
+ // Each link will be tested over http which
+ // can take quite a while.
+ this.timeout(15000);
+
+ const listPath = path.resolve(__dirname, '../readme.md');
+
+ fs.readFile(listPath, 'utf8', function(err, markdown) {
+ if (err) return done(err);
+
+ checkExternalLinks(markdown, function(err, results) {
+ if (err) return done(err);
+
+ results.forEach(function(result) {
+ result.statusCode.should.equal(200);
+ result.status.should.equal('alive');
+ });
+
+ done();
+ });
+ });
+ });
+ });
+});

test/utils/external-link-checker.js

@@ -0,0 +1,22 @@
+const path = require('path');
+const _ = require('lodash');
+const async = require('async');
+const linkCheck = require('link-check');
+const markdownLinkExtractor = require('markdown-link-extractor');
+
+module.exports = function checkExternalLinks(markdown, opts, callback) {
+ if (arguments.length === 2 && typeof opts === 'function') {
+ callback = opts;
+ opts = {};
+ }
+
+ let links = _.uniq(markdownLinkExtractor(markdown));
+ // linkCheck will only check external links
+ let externalLinks = links.filter(function(link) {
+ return link.startsWith('http');
+ });
+
+ async.mapLimit(externalLinks, 2, function(link, callback) {
+ linkCheck(link, opts, callback);
+ }, callback);
+};