Add tests for the baker controller (also adds nock as a dep).

package.json

@@ -17,6 +17,7 @@
   , "metapng": "git+https://github.com/brianloveswords/metapng.js.git"
   , "mime": "1.2.x"
   , "mysql": "0.9.x"
+  , "nock": "~0.11.6"
   , "request": "2.9.x"
   , "soda": "0.2.5"
   , "should": "0.5.x"

test/baker-controller-test.js

@@ -0,0 +1,136 @@
+var fs = require('fs');
+var nock = require('nock');
+var vows = require('vows');
+var assert = require('assert');
+var should = require('should');
+var request = require('request');
+var mysql = require('../lib/mysql');
+var conmock = require('./conmock.js');
+var fixture = require('../lib/utils.js').fixture;
+var controller = require('../controllers/baker.js');
+
+var imagedata = fs.readFileSync(__dirname + '/utils/images/no-badge-data.png')
+var scope = nock('http://example.com')
+  .intercept('/missing.json', 'HEAD').reply(404, '')
+  .get('/missing.json').reply(404, '')
+
+  .intercept('/invalid.json', 'HEAD').reply(200, '')
+  .get('/invalid.json').reply(200, 'eeeeyyyyy', { 'Content-Type': 'application/json' })
+
+  .intercept('/invalid-content-type.json', 'HEAD').reply(200, '')
+  .get('/invalid-content-type.json').reply(200, fixture())
+
+  .intercept('/missing-image.json', 'HEAD').reply(200, '')
+  .get('/missing-image.json')
+  .reply(200, fixture({'badge.image': 'http://example.com/image-not-found.png'}), { 'Content-Type': 'application/json' })
+
+  .intercept('/image-not-found.png', 'HEAD').reply(404, '')
+  .get('/image-not-found.png').reply(404, '')
+
+  .intercept('/legit.json', 'HEAD').reply(200, '')
+  .get('/legit.json')
+  .reply(200, fixture({
+    'badge.image': 'http://example.com/image.png',
+    'recipient': 'brian@example.com'
+  }), { 'Content-Type': 'application/json' })
+
+  .intercept('/image.png', 'HEAD').reply(200, '', { 'Content-Type': 'image/png' })
+  .get('/image.png').reply(200, imagedata, { 'Content-Type': 'image/png' })
+
+  .intercept('/legit-award.json', 'HEAD').reply(200, '')
+  .get('/legit-award.json')
+  .reply(200, fixture({
+    'badge.image': 'http://example.com/image-award.png',
+    'recipient': 'brian@example.com'
+  }), { 'Content-Type': 'application/json' })
+
+  .intercept('/image-award.png', 'HEAD').reply(200, '', { 'Content-Type': 'image/png' })
+  .get('/image-award.png').reply(200, imagedata, { 'Content-Type': 'image/png' })
+;
+
+mysql.prepareTesting();
+vows.describe('baker controller testing').addBatch({
+  '#baker called with a' : {
+    'missing assertion url': {
+      topic : function () {
+        conmock(controller.baker, {}, this.callback);
+      },
+      'renders the creator' : function (error, mock) {
+        mock.fntype.should.equal('render');
+        mock.path.should.equal('baker');
+      }
+    },
+    'bogus assertion url': {
+      topic : function () {
+        var req = { query: { assertion: 'wuuuuut' } };
+        conmock(controller.baker, req, this.callback);
+      },
+      'returns 400, unreachable' : function (error, mock) {
+        mock.headers.should.have.property('Content-Type', 'application/json');
+        mock.body.should.match(/unreachable/i);
+      }
+    },
+    'correct, but missing assertion url': {
+      topic : function () {
+        var req = { query: { assertion: 'http://example.com/missing.json' } };
+        conmock(controller.baker, req, this.callback);
+      },
+      'returns 400, unreachable assertion' : function (error, mock) {
+        mock.body.should.match(/unreachable/i);
+        mock.body.should.match(/assertion/i);
+      }
+    },
+    'valid url, but the endpoint is not the right content type': {
+      topic : function () {
+        var req = { query: { assertion: 'http://example.com/invalid-content-type.json' } };
+        conmock(controller.baker, req, this.callback);
+      },
+      'returns 400, content type error' : function (error, mock) {
+        mock.status.should.equal(400);
+        mock.body.should.match(/ContentType/);
+      }
+    },
+    'valid url, valid content-type, but the content is unparseable ': {
+      topic : function () {
+        var req = { query: { assertion: 'http://example.com/invalid.json' } };
+        conmock(controller.baker, req, this.callback);
+      },
+      'returns 400, parse error' : function (error, mock) {
+        mock.status.should.equal(400);
+        mock.body.should.match(/ParseError/);
+      }
+    },
+    'valid assertion, but the image url 404s ': {
+      topic : function () {
+        var req = { query: { assertion: 'http://example.com/missing-image.json' } };
+        conmock(controller.baker, req, this.callback);
+      },
+      'returns 400, unreachable image' : function (error, mock) {
+        mock.status.should.equal(400);
+        mock.body.match(/unreachable/);
+        mock.body.match(/image/);
+      }
+    },
+    'valid assertion, valid image url ': {
+      topic : function () {
+        var req = { query: { assertion: 'http://example.com/legit.json' } };
+        conmock(controller.baker, req, this.callback);
+      },
+      'returns 200, baked image data' : function (error, mock) {
+        mock.headers.should.have.property('Content-Type', 'image/png');
+        mock.status.should.equal(200);
+      }
+    },
+    'valid assertion, valid image url, trying to award': {
+      topic : function () {
+        var req = { query: { assertion: 'http://example.com/legit-award.json', award: 'brian@example.com' } };
+        conmock(controller.baker, req, this.callback);
+      },
+      'returns 200, baked image data' : function (error, mock) {
+        mock.headers.should.have.property('Content-Type', 'image/png');
+        mock.headers.should.have.property('x-badge-awarded', 'brian@example.com');
+        mock.status.should.equal(200);
+      }
+    }
+  }
+}).export(module);