1: <?php
  2: /**
  3:  * ControllerTestCase file
  4:  *
  5:  * CakePHP(tm) Tests <http://book.cakephp.org/2.0/en/development/testing.html>
  6:  * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
  7:  *
  8:  * Licensed under The MIT License
  9:  * For full copyright and license information, please see the LICENSE.txt
 10:  * Redistributions of files must retain the above copyright notice
 11:  *
 12:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 13:  * @link          http://book.cakephp.org/2.0/en/development/testing.html CakePHP(tm) Tests
 14:  * @package       Cake.TestSuite
 15:  * @since         CakePHP(tm) v 2.0
 16:  * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 17:  */
 18: 
 19: App::uses('Dispatcher', 'Routing');
 20: App::uses('CakeTestCase', 'TestSuite');
 21: App::uses('Router', 'Routing');
 22: App::uses('CakeRequest', 'Network');
 23: App::uses('CakeResponse', 'Network');
 24: App::uses('Helper', 'View');
 25: App::uses('CakeEvent', 'Event');
 26: 
 27: /**
 28:  * ControllerTestDispatcher class
 29:  *
 30:  * @package       Cake.TestSuite
 31:  */
 32: class ControllerTestDispatcher extends Dispatcher {
 33: 
 34: /**
 35:  * The controller to use in the dispatch process
 36:  *
 37:  * @var Controller
 38:  */
 39:     public $testController = null;
 40: 
 41: /**
 42:  * Use custom routes during tests
 43:  *
 44:  * @var bool
 45:  */
 46:     public $loadRoutes = true;
 47: 
 48: /**
 49:  * Returns the test controller
 50:  *
 51:  * @param CakeRequest $request The request instance.
 52:  * @param CakeResponse $response The response instance.
 53:  * @return Controller
 54:  */
 55:     protected function _getController($request, $response) {
 56:         if ($this->testController === null) {
 57:             $this->testController = parent::_getController($request, $response);
 58:         }
 59:         $this->testController->helpers = array_merge(array('InterceptContent'), $this->testController->helpers);
 60:         $this->testController->setRequest($request);
 61:         $this->testController->response = $this->response;
 62:         foreach ($this->testController->Components->loaded() as $component) {
 63:             $object = $this->testController->Components->{$component};
 64:             if (isset($object->response)) {
 65:                 $object->response = $response;
 66:             }
 67:             if (isset($object->request)) {
 68:                 $object->request = $request;
 69:             }
 70:         }
 71:         return $this->testController;
 72:     }
 73: 
 74: /**
 75:  * Loads routes and resets if the test case dictates it should
 76:  *
 77:  * @return void
 78:  */
 79:     protected function _loadRoutes() {
 80:         parent::_loadRoutes();
 81:         if (!$this->loadRoutes) {
 82:             Router::reload();
 83:         }
 84:     }
 85: 
 86: }
 87: 
 88: /**
 89:  * InterceptContentHelper class
 90:  *
 91:  * @package       Cake.TestSuite
 92:  */
 93: class InterceptContentHelper extends Helper {
 94: 
 95: /**
 96:  * Intercepts and stores the contents of the view before the layout is rendered
 97:  *
 98:  * @param string $viewFile The view file
 99:  * @return void
100:  */
101:     public function afterRender($viewFile) {
102:         $this->_View->assign('__view_no_layout__', $this->_View->fetch('content'));
103:         $this->_View->Helpers->unload('InterceptContent');
104:     }
105: 
106: }
107: 
108: /**
109:  * ControllerTestCase class
110:  *
111:  * @package       Cake.TestSuite
112:  * @method        mixed testAction() testAction($url, $options = array())  Lets you do functional tests of a controller action.
113:  */
114: abstract class ControllerTestCase extends CakeTestCase {
115: 
116: /**
117:  * The controller to test in testAction
118:  *
119:  * @var Controller
120:  */
121:     public $controller = null;
122: 
123: /**
124:  * Automatically mock controllers that aren't mocked
125:  *
126:  * @var bool
127:  */
128:     public $autoMock = true;
129: 
130: /**
131:  * Use custom routes during tests
132:  *
133:  * @var bool
134:  */
135:     public $loadRoutes = true;
136: 
137: /**
138:  * The resulting view vars of the last testAction call
139:  *
140:  * @var array
141:  */
142:     public $vars = null;
143: 
144: /**
145:  * The resulting rendered view of the last testAction call
146:  *
147:  * @var string
148:  */
149:     public $view = null;
150: 
151: /**
152:  * The resulting rendered layout+view of the last testAction call
153:  *
154:  * @var string
155:  */
156:     public $contents = null;
157: 
158: /**
159:  * The returned result of the dispatch (requestAction), if any
160:  *
161:  * @var string
162:  */
163:     public $result = null;
164: 
165: /**
166:  * The headers that would have been sent by the action
167:  *
168:  * @var string
169:  */
170:     public $headers = null;
171: 
172: /**
173:  * Flag for checking if the controller instance is dirty.
174:  * Once a test has been run on a controller it should be rebuilt
175:  * to clean up properties.
176:  *
177:  * @var bool
178:  */
179:     protected $_dirtyController = false;
180: 
181: /**
182:  * The class name to use for mocking the response object.
183:  *
184:  * @var string
185:  */
186:     protected $_responseClass = 'CakeResponse';
187: 
188: /**
189:  * Used to enable calling ControllerTestCase::testAction() without the testing
190:  * framework thinking that it's a test case
191:  *
192:  * @param string $name The name of the function
193:  * @param array $arguments Array of arguments
194:  * @return mixed The return of _testAction.
195:  * @throws BadMethodCallException when you call methods that don't exist.
196:  */
197:     public function __call($name, $arguments) {
198:         if ($name === 'testAction') {
199:             return call_user_func_array(array($this, '_testAction'), $arguments);
200:         }
201:         throw new BadMethodCallException("Method '{$name}' does not exist.");
202:     }
203: 
204: /**
205:  * Lets you do functional tests of a controller action.
206:  *
207:  * ### Options:
208:  *
209:  * - `data` Will be used as the request data. If the `method` is GET,
210:  *   data will be used a GET params. If the `method` is POST, it will be used
211:  *   as POST data. By setting `$options['data']` to a string, you can simulate XML or JSON
212:  *   payloads to your controllers allowing you to test REST webservices.
213:  * - `method` POST or GET. Defaults to POST.
214:  * - `return` Specify the return type you want. Choose from:
215:  *     - `vars` Get the set view variables.
216:  *     - `view` Get the rendered view, without a layout.
217:  *     - `contents` Get the rendered view including the layout.
218:  *     - `result` Get the return value of the controller action. Useful
219:  *       for testing requestAction methods.
220:  *
221:  * @param string|array $url The URL to test.
222:  * @param array $options See options
223:  * @return mixed The specified return type.
224:  * @triggers ControllerTestCase $Dispatch, array('request' => $request)
225:  */
226:     protected function _testAction($url, $options = array()) {
227:         $this->vars = $this->result = $this->view = $this->contents = $this->headers = null;
228: 
229:         $options += array(
230:             'data' => array(),
231:             'method' => 'POST',
232:             'return' => 'result'
233:         );
234: 
235:         if (is_array($url)) {
236:             $url = Router::url($url);
237:         }
238: 
239:         $restore = array('get' => $_GET, 'post' => $_POST);
240: 
241:         $_SERVER['REQUEST_METHOD'] = strtoupper($options['method']);
242:         if (is_array($options['data'])) {
243:             if (strtoupper($options['method']) === 'GET') {
244:                 $_GET = $options['data'];
245:                 $_POST = array();
246:             } else {
247:                 $_POST = $options['data'];
248:                 $_GET = array();
249:             }
250:         }
251:         $request = $this->getMock('CakeRequest', array('_readInput'), array($url));
252: 
253:         if (is_string($options['data'])) {
254:             $request->expects($this->any())
255:                 ->method('_readInput')
256:                 ->will($this->returnValue($options['data']));
257:         }
258: 
259:         $Dispatch = new ControllerTestDispatcher();
260:         foreach (Router::$routes as $route) {
261:             if ($route instanceof RedirectRoute) {
262:                 $route->response = $this->getMock('CakeResponse', array('send'));
263:             }
264:         }
265:         $Dispatch->loadRoutes = $this->loadRoutes;
266:         $Dispatch->parseParams(new CakeEvent('ControllerTestCase', $Dispatch, array('request' => $request)));
267:         if (!isset($request->params['controller']) && Router::currentRoute()) {
268:             $this->headers = Router::currentRoute()->response->header();
269:             return null;
270:         }
271:         if ($this->_dirtyController) {
272:             $this->controller = null;
273:         }
274: 
275:         $plugin = empty($request->params['plugin']) ? '' : Inflector::camelize($request->params['plugin']) . '.';
276:         if ($this->controller === null && $this->autoMock) {
277:             $this->generate($plugin . Inflector::camelize($request->params['controller']));
278:         }
279:         $params = array();
280:         if ($options['return'] === 'result') {
281:             $params['return'] = 1;
282:             $params['bare'] = 1;
283:             $params['requested'] = 1;
284:         }
285:         $Dispatch->testController = $this->controller;
286:         $Dispatch->response = $this->getMock($this->_responseClass, array('send', '_clearBuffer'));
287:         $this->result = $Dispatch->dispatch($request, $Dispatch->response, $params);
288: 
289:         // Clear out any stored requests.
290:         while (Router::getRequest()) {
291:             Router::popRequest();
292:         }
293: 
294:         $this->controller = $Dispatch->testController;
295:         $this->vars = $this->controller->viewVars;
296:         $this->contents = $this->controller->response->body();
297:         if (isset($this->controller->View)) {
298:             $this->view = $this->controller->View->fetch('__view_no_layout__');
299:         }
300:         $this->_dirtyController = true;
301:         $this->headers = $Dispatch->response->header();
302: 
303:         $_GET = $restore['get'];
304:         $_POST = $restore['post'];
305: 
306:         return $this->{$options['return']};
307:     }
308: 
309: /**
310:  * Generates a mocked controller and mocks any classes passed to `$mocks`. By
311:  * default, `_stop()` is stubbed as is sending the response headers, so to not
312:  * interfere with testing.
313:  *
314:  * ### Mocks:
315:  *
316:  * - `methods` Methods to mock on the controller. `_stop()` is mocked by default
317:  * - `models` Models to mock. Models are added to the ClassRegistry so any
318:  *   time they are instantiated the mock will be created. Pass as key value pairs
319:  *   with the value being specific methods on the model to mock. If `true` or
320:  *   no value is passed, the entire model will be mocked.
321:  * - `components` Components to mock. Components are only mocked on this controller
322:  *   and not within each other (i.e., components on components)
323:  *
324:  * @param string $controller Controller name
325:  * @param array $mocks List of classes and methods to mock
326:  * @return Controller Mocked controller
327:  * @throws MissingControllerException When controllers could not be created.
328:  * @throws MissingComponentException When components could not be created.
329:  */
330:     public function generate($controller, $mocks = array()) {
331:         list($plugin, $controller) = pluginSplit($controller);
332:         if ($plugin) {
333:             App::uses($plugin . 'AppController', $plugin . '.Controller');
334:             $plugin .= '.';
335:         }
336:         App::uses($controller . 'Controller', $plugin . 'Controller');
337:         if (!class_exists($controller . 'Controller')) {
338:             throw new MissingControllerException(array(
339:                 'class' => $controller . 'Controller',
340:                 'plugin' => substr($plugin, 0, -1)
341:             ));
342:         }
343:         ClassRegistry::flush();
344: 
345:         $mocks = array_merge_recursive(array(
346:             'methods' => array('_stop'),
347:             'models' => array(),
348:             'components' => array()
349:         ), (array)$mocks);
350: 
351:         list($plugin, $name) = pluginSplit($controller);
352:         $controllerObj = $this->getMock($name . 'Controller', $mocks['methods'], array(), '', false);
353:         $controllerObj->name = $name;
354:         $request = $this->getMock('CakeRequest');
355:         $response = $this->getMock($this->_responseClass, array('_sendHeader'));
356:         $controllerObj->__construct($request, $response);
357:         $controllerObj->Components->setController($controllerObj);
358: 
359:         $config = ClassRegistry::config('Model');
360:         foreach ($mocks['models'] as $model => $methods) {
361:             if (is_string($methods)) {
362:                 $model = $methods;
363:                 $methods = true;
364:             }
365:             if ($methods === true) {
366:                 $methods = array();
367:             }
368:             $this->getMockForModel($model, $methods, $config);
369:         }
370: 
371:         foreach ($mocks['components'] as $component => $methods) {
372:             if (is_string($methods)) {
373:                 $component = $methods;
374:                 $methods = true;
375:             }
376:             if ($methods === true) {
377:                 $methods = array();
378:             }
379:             list($plugin, $name) = pluginSplit($component, true);
380:             $componentClass = $name . 'Component';
381:             App::uses($componentClass, $plugin . 'Controller/Component');
382:             if (!class_exists($componentClass)) {
383:                 throw new MissingComponentException(array(
384:                     'class' => $componentClass
385:                 ));
386:             }
387:             $config = isset($controllerObj->components[$component]) ? $controllerObj->components[$component] : array();
388:             $componentObj = $this->getMock($componentClass, $methods, array($controllerObj->Components, $config));
389:             $controllerObj->Components->set($name, $componentObj);
390:             $controllerObj->Components->enable($name);
391:         }
392: 
393:         $controllerObj->constructClasses();
394:         $this->_dirtyController = false;
395: 
396:         $this->controller = $controllerObj;
397:         return $this->controller;
398:     }
399: 
400: }
401: