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<?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
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 * @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
 */
113
abstract class ControllerTestCase extends CakeTestCase {
114
 
115
/**
116
 * The controller to test in testAction
117
 *
118
 * @var Controller
119
 */
120
	public $controller = null;
121
 
122
/**
123
 * Automatically mock controllers that aren't mocked
124
 *
125
 * @var bool
126
 */
127
	public $autoMock = true;
128
 
129
/**
130
 * Use custom routes during tests
131
 *
132
 * @var bool
133
 */
134
	public $loadRoutes = true;
135
 
136
/**
137
 * The resulting view vars of the last testAction call
138
 *
139
 * @var array
140
 */
141
	public $vars = null;
142
 
143
/**
144
 * The resulting rendered view of the last testAction call
145
 *
146
 * @var string
147
 */
148
	public $view = null;
149
 
150
/**
151
 * The resulting rendered layout+view of the last testAction call
152
 *
153
 * @var string
154
 */
155
	public $contents = null;
156
 
157
/**
158
 * The returned result of the dispatch (requestAction), if any
159
 *
160
 * @var string
161
 */
162
	public $result = null;
163
 
164
/**
165
 * The headers that would have been sent by the action
166
 *
167
 * @var string
168
 */
169
	public $headers = null;
170
 
171
/**
172
 * Flag for checking if the controller instance is dirty.
173
 * Once a test has been run on a controller it should be rebuilt
174
 * to clean up properties.
175
 *
176
 * @var bool
177
 */
178
	protected $_dirtyController = false;
179
 
180
/**
181
 * Used to enable calling ControllerTestCase::testAction() without the testing
182
 * framework thinking that it's a test case
183
 *
184
 * @param string $name The name of the function
185
 * @param array $arguments Array of arguments
186
 * @return mixed The return of _testAction.
187
 * @throws BadMethodCallException when you call methods that don't exist.
188
 */
189
	public function __call($name, $arguments) {
190
		if ($name === 'testAction') {
191
			return call_user_func_array(array($this, '_testAction'), $arguments);
192
		}
193
		throw new BadMethodCallException("Method '{$name}' does not exist.");
194
	}
195
 
196
/**
197
 * Lets you do functional tests of a controller action.
198
 *
199
 * ### Options:
200
 *
201
 * - `data` Will be used as the request data. If the `method` is GET,
202
 *   data will be used a GET params. If the `method` is POST, it will be used
203
 *   as POST data. By setting `$options['data']` to a string, you can simulate XML or JSON
204
 *   payloads to your controllers allowing you to test REST webservices.
205
 * - `method` POST or GET. Defaults to POST.
206
 * - `return` Specify the return type you want. Choose from:
207
 *     - `vars` Get the set view variables.
208
 *     - `view` Get the rendered view, without a layout.
209
 *     - `contents` Get the rendered view including the layout.
210
 *     - `result` Get the return value of the controller action. Useful
211
 *       for testing requestAction methods.
212
 *
213
 * @param string|array $url The URL to test.
214
 * @param array $options See options
215
 * @return mixed The specified return type.
216
 * @triggers ControllerTestCase $Dispatch, array('request' => $request)
217
 */
218
	protected function _testAction($url, $options = array()) {
219
		$this->vars = $this->result = $this->view = $this->contents = $this->headers = null;
220
 
221
		$options += array(
222
			'data' => array(),
223
			'method' => 'POST',
224
			'return' => 'result'
225
		);
226
 
227
		if (is_array($url)) {
228
			$url = Router::url($url);
229
		}
230
 
231
		$restore = array('get' => $_GET, 'post' => $_POST);
232
 
233
		$_SERVER['REQUEST_METHOD'] = strtoupper($options['method']);
234
		if (is_array($options['data'])) {
235
			if (strtoupper($options['method']) === 'GET') {
236
				$_GET = $options['data'];
237
				$_POST = array();
238
			} else {
239
				$_POST = $options['data'];
240
				$_GET = array();
241
			}
242
		}
243
		$request = $this->getMock('CakeRequest', array('_readInput'), array($url));
244
 
245
		if (is_string($options['data'])) {
246
			$request->expects($this->any())
247
				->method('_readInput')
248
				->will($this->returnValue($options['data']));
249
		}
250
 
251
		$Dispatch = new ControllerTestDispatcher();
252
		foreach (Router::$routes as $route) {
253
			if ($route instanceof RedirectRoute) {
254
				$route->response = $this->getMock('CakeResponse', array('send'));
255
			}
256
		}
257
		$Dispatch->loadRoutes = $this->loadRoutes;
258
		$Dispatch->parseParams(new CakeEvent('ControllerTestCase', $Dispatch, array('request' => $request)));
259
		if (!isset($request->params['controller']) && Router::currentRoute()) {
260
			$this->headers = Router::currentRoute()->response->header();
261
			return;
262
		}
263
		if ($this->_dirtyController) {
264
			$this->controller = null;
265
		}
266
 
267
		$plugin = empty($request->params['plugin']) ? '' : Inflector::camelize($request->params['plugin']) . '.';
268
		if ($this->controller === null && $this->autoMock) {
269
			$this->generate($plugin . Inflector::camelize($request->params['controller']));
270
		}
271
		$params = array();
272
		if ($options['return'] === 'result') {
273
			$params['return'] = 1;
274
			$params['bare'] = 1;
275
			$params['requested'] = 1;
276
		}
277
		$Dispatch->testController = $this->controller;
278
		$Dispatch->response = $this->getMock('CakeResponse', array('send', '_clearBuffer'));
279
		$this->result = $Dispatch->dispatch($request, $Dispatch->response, $params);
280
		$this->controller = $Dispatch->testController;
281
		$this->vars = $this->controller->viewVars;
282
		$this->contents = $this->controller->response->body();
283
		if (isset($this->controller->View)) {
284
			$this->view = $this->controller->View->fetch('__view_no_layout__');
285
		}
286
		$this->_dirtyController = true;
287
		$this->headers = $Dispatch->response->header();
288
 
289
		$_GET = $restore['get'];
290
		$_POST = $restore['post'];
291
 
292
		return $this->{$options['return']};
293
	}
294
 
295
/**
296
 * Generates a mocked controller and mocks any classes passed to `$mocks`. By
297
 * default, `_stop()` is stubbed as is sending the response headers, so to not
298
 * interfere with testing.
299
 *
300
 * ### Mocks:
301
 *
302
 * - `methods` Methods to mock on the controller. `_stop()` is mocked by default
303
 * - `models` Models to mock. Models are added to the ClassRegistry so any
304
 *   time they are instantiated the mock will be created. Pass as key value pairs
305
 *   with the value being specific methods on the model to mock. If `true` or
306
 *   no value is passed, the entire model will be mocked.
307
 * - `components` Components to mock. Components are only mocked on this controller
308
 *   and not within each other (i.e., components on components)
309
 *
310
 * @param string $controller Controller name
311
 * @param array $mocks List of classes and methods to mock
312
 * @return Controller Mocked controller
313
 * @throws MissingControllerException When controllers could not be created.
314
 * @throws MissingComponentException When components could not be created.
315
 */
316
	public function generate($controller, $mocks = array()) {
317
		list($plugin, $controller) = pluginSplit($controller);
318
		if ($plugin) {
319
			App::uses($plugin . 'AppController', $plugin . '.Controller');
320
			$plugin .= '.';
321
		}
322
		App::uses($controller . 'Controller', $plugin . 'Controller');
323
		if (!class_exists($controller . 'Controller')) {
324
			throw new MissingControllerException(array(
325
				'class' => $controller . 'Controller',
326
				'plugin' => substr($plugin, 0, -1)
327
			));
328
		}
329
		ClassRegistry::flush();
330
 
331
		$mocks = array_merge_recursive(array(
332
			'methods' => array('_stop'),
333
			'models' => array(),
334
			'components' => array()
335
		), (array)$mocks);
336
 
337
		list($plugin, $name) = pluginSplit($controller);
338
		$controllerObj = $this->getMock($name . 'Controller', $mocks['methods'], array(), '', false);
339
		$controllerObj->name = $name;
340
		$request = $this->getMock('CakeRequest');
341
		$response = $this->getMock('CakeResponse', array('_sendHeader'));
342
		$controllerObj->__construct($request, $response);
343
		$controllerObj->Components->setController($controllerObj);
344
 
345
		$config = ClassRegistry::config('Model');
346
		foreach ($mocks['models'] as $model => $methods) {
347
			if (is_string($methods)) {
348
				$model = $methods;
349
				$methods = true;
350
			}
351
			if ($methods === true) {
352
				$methods = array();
353
			}
354
			$this->getMockForModel($model, $methods, $config);
355
		}
356
 
357
		foreach ($mocks['components'] as $component => $methods) {
358
			if (is_string($methods)) {
359
				$component = $methods;
360
				$methods = true;
361
			}
362
			if ($methods === true) {
363
				$methods = array();
364
			}
365
			list($plugin, $name) = pluginSplit($component, true);
366
			$componentClass = $name . 'Component';
367
			App::uses($componentClass, $plugin . 'Controller/Component');
368
			if (!class_exists($componentClass)) {
369
				throw new MissingComponentException(array(
370
					'class' => $componentClass
371
				));
372
			}
373
			$config = isset($controllerObj->components[$component]) ? $controllerObj->components[$component] : array();
374
			$componentObj = $this->getMock($componentClass, $methods, array($controllerObj->Components, $config));
375
			$controllerObj->Components->set($name, $componentObj);
376
			$controllerObj->Components->enable($name);
377
		}
378
 
379
		$controllerObj->constructClasses();
380
		$this->_dirtyController = false;
381
 
382
		$this->controller = $controllerObj;
383
		return $this->controller;
384
	}
385
 
386
}