test - add tests for bower task

cli/test/helpers/index.js

@@ -48,11 +48,7 @@ helpers.run = function run(cmds, opts) {
 // Returns a function suitable to use with mocha's before/after hooks.
 helpers.directory = function directory(dir) {
   return function directory(done) {
-    var cwd = process.cwd(),
-      dirname = path.basename(cwd);
-
-    if(dirname === dir) return done();
-
+    process.chdir(path.join(__dirname, '../..'));
     rimraf(dir, function(err) {
       if(err) return done(err);
       mkdirp(dir, function(err) {

cli/test/test-bower.js

@@ -0,0 +1,96 @@
+/*globals describe, it, before, after, beforeEach, afterEach */
+var fs = require('fs'),
+  path = require('path'),
+  grunt = require('grunt'),
+  assert = require('assert'),
+  helpers = require('./helpers'),
+  bower = require('bower').commands;
+
+// bower components to test out
+var components = ['jquery', 'backbone'];
+// var components = ['jquery', 'backbone', 'ember', 'angular', 'canjs'];
+
+describe('Bower install packages', function() {
+
+  before(helpers.directory('.test'));
+
+  before(helpers.gruntfile({
+    foo: {
+      bar: '<config.baz>'
+    }
+  }));
+
+  before(function(done) {
+    var yeoman = helpers.run('init --force');
+    yeoman
+      // enter '\n' for both prompts, and grunt confirm
+      .prompt(/would you like/i)
+      .prompt(/Do you need to make any changes to the above before continuing?/)
+      // check exit code
+      .expect(0)
+      // run and done
+      .end(done);
+  });
+
+  components.forEach(function(name) {
+    it('should install ' + name + ' with yeoman install ' + name, function(done) {
+      console.log();
+      helpers.run('install ' + name, { redirect: true })
+        .expect(0)
+        .end(done);
+    });
+
+
+    it('should have copied resolved components to app/scripts/vendor', function(done) {
+      var ctx = this;
+      bower.list({ map: true })
+        .on('error', done)
+        .on('data', function(results) {
+          ctx.results = results;
+          var pkg = results[name];
+          var source = ctx[name] = pkg.source.main;
+          var vendor = source.replace(/^components/, 'app/scripts/vendor');
+          fs.stat(vendor, done);
+        });
+    });
+  });
+
+  // These tests are failing, and specifically testing out some current issues
+  // we might have.
+
+  /* * /
+  describe('should not override non "components" files in app/scripts/vendor', function(done) {
+    ['esprima.js', 'hm.js', 'jquery.min.js', 'modernizr.min.js', 'require.js'].forEach(function(file) {
+      it('like ' + file, function(done) {
+        fs.stat(path.join('app/scripts/vendor', file), done);
+      });
+    });
+  });
+  /* */
+
+  /* * /
+  describe('should have updated the RequireJS configuration for paths', function() {
+
+    before(function() {
+      this.main = grunt.file.read('app/scripts/main.js');
+    });
+
+    components.forEach(function(name) {
+      it('configuration for ' + name + ' is updated', function() {
+        var source = this[name];
+        // map the bower resolved package to be within vendor/
+        var pathname = source.replace(/^components/, 'vendor').replace(path.extname(source), '');
+
+        // assert string against lines, to gain diff output
+        var pathline = this.main.split('\n').filter(function(line) {
+          return line.indexOf(name + ':') !== -1;
+        })[0];
+
+        var pattern = name + ": '" + pathname + "',";
+        assert.equal(pathline.trim(), pattern);
+      });
+    });
+  });
+  /* */
+
+});