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pictcode / lib / Cake / Console / Command / Task / TestTask.php @ 635eef61

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1
<?php
2
/**
3
 * The TestTask handles creating and updating test files.
4
 *
5
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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
 *
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 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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 * @link          http://cakephp.org CakePHP(tm) Project
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 * @since         CakePHP(tm) v 1.3
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 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
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 */
17

    
18
App::uses('AppShell', 'Console/Command');
19
App::uses('BakeTask', 'Console/Command/Task');
20
App::uses('ClassRegistry', 'Utility');
21

    
22
/**
23
 * Task class for creating and updating test files.
24
 *
25
 * @package       Cake.Console.Command.Task
26
 */
27
class TestTask extends BakeTask {
28

    
29
/**
30
 * path to TESTS directory
31
 *
32
 * @var string
33
 */
34
        public $path = TESTS;
35

    
36
/**
37
 * Tasks used.
38
 *
39
 * @var array
40
 */
41
        public $tasks = array('Template');
42

    
43
/**
44
 * class types that methods can be generated for
45
 *
46
 * @var array
47
 */
48
        public $classTypes = array(
49
                'Model' => 'Model',
50
                'Controller' => 'Controller',
51
                'Component' => 'Controller/Component',
52
                'Behavior' => 'Model/Behavior',
53
                'Helper' => 'View/Helper'
54
        );
55

    
56
/**
57
 * Mapping between packages, and their baseclass + package.
58
 * This is used to generate App::uses() call to autoload base
59
 * classes if a developer has forgotten to do so.
60
 *
61
 * @var array
62
 */
63
        public $baseTypes = array(
64
                'Model' => array('Model', 'Model'),
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                'Behavior' => array('ModelBehavior', 'Model'),
66
                'Controller' => array('Controller', 'Controller'),
67
                'Component' => array('Component', 'Controller'),
68
                'Helper' => array('Helper', 'View')
69
        );
70

    
71
/**
72
 * Internal list of fixtures that have been added so far.
73
 *
74
 * @var array
75
 */
76
        protected $_fixtures = array();
77

    
78
/**
79
 * Execution method always used for tasks
80
 *
81
 * @return void
82
 */
83
        public function execute() {
84
                parent::execute();
85
                $count = count($this->args);
86
                if (!$count) {
87
                        $this->_interactive();
88
                }
89

    
90
                if ($count === 1) {
91
                        $this->_interactive($this->args[0]);
92
                }
93

    
94
                if ($count > 1) {
95
                        $type = Inflector::classify($this->args[0]);
96
                        if ($this->bake($type, $this->args[1])) {
97
                                $this->out('<success>Done</success>');
98
                        }
99
                }
100
        }
101

    
102
/**
103
 * Handles interactive baking
104
 *
105
 * @param string $type The type of object to bake a test for.
106
 * @return string|bool
107
 */
108
        protected function _interactive($type = null) {
109
                $this->interactive = true;
110
                $this->hr();
111
                $this->out(__d('cake_console', 'Bake Tests'));
112
                $this->out(__d('cake_console', 'Path: %s', $this->getPath()));
113
                $this->hr();
114

    
115
                if ($type) {
116
                        $type = Inflector::camelize($type);
117
                        if (!isset($this->classTypes[$type])) {
118
                                $this->error(__d('cake_console', 'Incorrect type provided. Please choose one of %s', implode(', ', array_keys($this->classTypes))));
119
                        }
120
                } else {
121
                        $type = $this->getObjectType();
122
                }
123
                $className = $this->getClassName($type);
124
                return $this->bake($type, $className);
125
        }
126

    
127
/**
128
 * Completes final steps for generating data to create test case.
129
 *
130
 * @param string $type Type of object to bake test case for ie. Model, Controller
131
 * @param string $className the 'cake name' for the class ie. Posts for the PostsController
132
 * @return string|bool
133
 */
134
        public function bake($type, $className) {
135
                $plugin = null;
136
                if ($this->plugin) {
137
                        $plugin = $this->plugin . '.';
138
                }
139

    
140
                $realType = $this->mapType($type, $plugin);
141
                $fullClassName = $this->getRealClassName($type, $className);
142

    
143
                if ($this->typeCanDetectFixtures($type) && $this->isLoadableClass($realType, $fullClassName)) {
144
                        $this->out(__d('cake_console', 'Bake is detecting possible fixtures...'));
145
                        $testSubject = $this->buildTestSubject($type, $className);
146
                        $this->generateFixtureList($testSubject);
147
                } elseif ($this->interactive) {
148
                        $this->getUserFixtures();
149
                }
150
                list($baseClass, $baseType) = $this->getBaseType($type);
151
                App::uses($baseClass, $baseType);
152
                App::uses($fullClassName, $realType);
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154
                $methods = array();
155
                if (class_exists($fullClassName)) {
156
                        $methods = $this->getTestableMethods($fullClassName);
157
                }
158
                $mock = $this->hasMockClass($type, $fullClassName);
159
                list($preConstruct, $construction, $postConstruct) = $this->generateConstructor($type, $fullClassName, $plugin);
160
                $uses = $this->generateUses($type, $realType, $fullClassName);
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162
                $this->out("\n" . __d('cake_console', 'Baking test case for %s %s ...', $className, $type), 1, Shell::QUIET);
163

    
164
                $this->Template->set('fixtures', $this->_fixtures);
165
                $this->Template->set('plugin', $plugin);
166
                $this->Template->set(compact(
167
                        'className', 'methods', 'type', 'fullClassName', 'mock',
168
                        'realType', 'preConstruct', 'postConstruct', 'construction',
169
                        'uses'
170
                ));
171
                $out = $this->Template->generate('classes', 'test');
172

    
173
                $filename = $this->testCaseFileName($type, $className);
174
                $made = $this->createFile($filename, $out);
175
                if ($made) {
176
                        return $out;
177
                }
178
                return false;
179
        }
180

    
181
/**
182
 * Interact with the user and get their chosen type. Can exit the script.
183
 *
184
 * @return string Users chosen type.
185
 */
186
        public function getObjectType() {
187
                $this->hr();
188
                $this->out(__d('cake_console', 'Select an object type:'));
189
                $this->hr();
190

    
191
                $keys = array();
192
                $i = 0;
193
                foreach ($this->classTypes as $option => $package) {
194
                        $this->out(++$i . '. ' . $option);
195
                        $keys[] = $i;
196
                }
197
                $keys[] = 'q';
198
                $selection = $this->in(__d('cake_console', 'Enter the type of object to bake a test for or (q)uit'), $keys, 'q');
199
                if ($selection === 'q') {
200
                        return $this->_stop();
201
                }
202
                $types = array_keys($this->classTypes);
203
                return $types[$selection - 1];
204
        }
205

    
206
/**
207
 * Get the user chosen Class name for the chosen type
208
 *
209
 * @param string $objectType Type of object to list classes for i.e. Model, Controller.
210
 * @return string Class name the user chose.
211
 */
212
        public function getClassName($objectType) {
213
                $type = ucfirst(strtolower($objectType));
214
                $typeLength = strlen($type);
215
                $type = $this->classTypes[$type];
216
                if ($this->plugin) {
217
                        $plugin = $this->plugin . '.';
218
                        $options = App::objects($plugin . $type);
219
                } else {
220
                        $options = App::objects($type);
221
                }
222
                $this->out(__d('cake_console', 'Choose a %s class', $objectType));
223
                $keys = array();
224
                foreach ($options as $key => $option) {
225
                        $this->out(++$key . '. ' . $option);
226
                        $keys[] = $key;
227
                }
228
                while (empty($selection)) {
229
                        $selection = $this->in(__d('cake_console', 'Choose an existing class, or enter the name of a class that does not exist'));
230
                        if (is_numeric($selection) && isset($options[$selection - 1])) {
231
                                $selection = $options[$selection - 1];
232
                        }
233
                        if ($type !== 'Model') {
234
                                $selection = substr($selection, 0, $typeLength * - 1);
235
                        }
236
                }
237
                return $selection;
238
        }
239

    
240
/**
241
 * Checks whether the chosen type can find its own fixtures.
242
 * Currently only model, and controller are supported
243
 *
244
 * @param string $type The Type of object you are generating tests for eg. controller
245
 * @return bool
246
 */
247
        public function typeCanDetectFixtures($type) {
248
                $type = strtolower($type);
249
                return in_array($type, array('controller', 'model'));
250
        }
251

    
252
/**
253
 * Check if a class with the given package is loaded or can be loaded.
254
 *
255
 * @param string $package The package of object you are generating tests for eg. controller
256
 * @param string $class the Classname of the class the test is being generated for.
257
 * @return bool
258
 */
259
        public function isLoadableClass($package, $class) {
260
                App::uses($class, $package);
261
                list($plugin, $ns) = pluginSplit($package);
262
                if ($plugin) {
263
                        App::uses("{$plugin}AppController", $package);
264
                        App::uses("{$plugin}AppModel", $package);
265
                        App::uses("{$plugin}AppHelper", $package);
266
                }
267
                return class_exists($class);
268
        }
269

    
270
/**
271
 * Construct an instance of the class to be tested.
272
 * So that fixtures can be detected
273
 *
274
 * @param string $type The Type of object you are generating tests for eg. controller
275
 * @param string $class the Classname of the class the test is being generated for.
276
 * @return object And instance of the class that is going to be tested.
277
 */
278
        public function buildTestSubject($type, $class) {
279
                ClassRegistry::flush();
280
                App::uses($class, $type);
281
                $class = $this->getRealClassName($type, $class);
282
                if (strtolower($type) === 'model') {
283
                        $instance = ClassRegistry::init($class);
284
                } else {
285
                        $instance = new $class();
286
                }
287
                return $instance;
288
        }
289

    
290
/**
291
 * Gets the real class name from the cake short form. If the class name is already
292
 * suffixed with the type, the type will not be duplicated.
293
 *
294
 * @param string $type The Type of object you are generating tests for eg. controller
295
 * @param string $class the Classname of the class the test is being generated for.
296
 * @return string Real class name
297
 */
298
        public function getRealClassName($type, $class) {
299
                if (strtolower($type) === 'model' || empty($this->classTypes[$type])) {
300
                        return $class;
301
                }
302

    
303
                $position = strpos($class, $type);
304

    
305
                if ($position !== false && (strlen($class) - $position) === strlen($type)) {
306
                        return $class;
307
                }
308
                return $class . $type;
309
        }
310

    
311
/**
312
 * Map the types that TestTask uses to concrete types that App::uses can use.
313
 *
314
 * @param string $type The type of thing having a test generated.
315
 * @param string $plugin The plugin name.
316
 * @return string
317
 * @throws CakeException When invalid object types are requested.
318
 */
319
        public function mapType($type, $plugin) {
320
                $type = ucfirst($type);
321
                if (empty($this->classTypes[$type])) {
322
                        throw new CakeException(__d('cake_dev', 'Invalid object type.'));
323
                }
324
                $real = $this->classTypes[$type];
325
                if ($plugin) {
326
                        $real = trim($plugin, '.') . '.' . $real;
327
                }
328
                return $real;
329
        }
330

    
331
/**
332
 * Get the base class and package name for a given type.
333
 *
334
 * @param string $type The type the class having a test
335
 *   generated for is in.
336
 * @return array Array of (class, type)
337
 * @throws CakeException on invalid types.
338
 */
339
        public function getBaseType($type) {
340
                if (empty($this->baseTypes[$type])) {
341
                        throw new CakeException(__d('cake_dev', 'Invalid type name'));
342
                }
343
                return $this->baseTypes[$type];
344
        }
345

    
346
/**
347
 * Get methods declared in the class given.
348
 * No parent methods will be returned
349
 *
350
 * @param string $className Name of class to look at.
351
 * @return array Array of method names.
352
 */
353
        public function getTestableMethods($className) {
354
                $classMethods = get_class_methods($className);
355
                $parentMethods = get_class_methods(get_parent_class($className));
356
                $thisMethods = array_diff($classMethods, $parentMethods);
357
                $out = array();
358
                foreach ($thisMethods as $method) {
359
                        if (substr($method, 0, 1) !== '_' && $method != strtolower($className)) {
360
                                $out[] = $method;
361
                        }
362
                }
363
                return $out;
364
        }
365

    
366
/**
367
 * Generate the list of fixtures that will be required to run this test based on
368
 * loaded models.
369
 *
370
 * @param object $subject The object you want to generate fixtures for.
371
 * @return array Array of fixtures to be included in the test.
372
 */
373
        public function generateFixtureList($subject) {
374
                $this->_fixtures = array();
375
                if ($subject instanceof Model) {
376
                        $this->_processModel($subject);
377
                } elseif ($subject instanceof Controller) {
378
                        $this->_processController($subject);
379
                }
380
                return array_values($this->_fixtures);
381
        }
382

    
383
/**
384
 * Process a model recursively and pull out all the
385
 * model names converting them to fixture names.
386
 *
387
 * @param Model $subject A Model class to scan for associations and pull fixtures off of.
388
 * @return void
389
 */
390
        protected function _processModel($subject) {
391
                $this->_addFixture($subject->name);
392
                $associated = $subject->getAssociated();
393
                foreach ($associated as $alias => $type) {
394
                        $className = $subject->{$alias}->name;
395
                        if (!isset($this->_fixtures[$className])) {
396
                                $this->_processModel($subject->{$alias});
397
                        }
398
                        if ($type === 'hasAndBelongsToMany') {
399
                                if (!empty($subject->hasAndBelongsToMany[$alias]['with'])) {
400
                                        list(, $joinModel) = pluginSplit($subject->hasAndBelongsToMany[$alias]['with']);
401
                                } else {
402
                                        $joinModel = Inflector::classify($subject->hasAndBelongsToMany[$alias]['joinTable']);
403
                                }
404
                                if (!isset($this->_fixtures[$joinModel])) {
405
                                        $this->_processModel($subject->{$joinModel});
406
                                }
407
                        }
408
                }
409
        }
410

    
411
/**
412
 * Process all the models attached to a controller
413
 * and generate a fixture list.
414
 *
415
 * @param Controller $subject A controller to pull model names off of.
416
 * @return void
417
 */
418
        protected function _processController($subject) {
419
                $subject->constructClasses();
420
                $models = array(Inflector::classify($subject->name));
421
                if (!empty($subject->uses)) {
422
                        $models = $subject->uses;
423
                }
424
                foreach ($models as $model) {
425
                        list(, $model) = pluginSplit($model);
426
                        $this->_processModel($subject->{$model});
427
                }
428
        }
429

    
430
/**
431
 * Add class name to the fixture list.
432
 * Sets the app. or plugin.plugin_name. prefix.
433
 *
434
 * @param string $name Name of the Model class that a fixture might be required for.
435
 * @return void
436
 */
437
        protected function _addFixture($name) {
438
                if ($this->plugin) {
439
                        $prefix = 'plugin.' . Inflector::underscore($this->plugin) . '.';
440
                } else {
441
                        $prefix = 'app.';
442
                }
443
                $fixture = $prefix . Inflector::underscore($name);
444
                $this->_fixtures[$name] = $fixture;
445
        }
446

    
447
/**
448
 * Interact with the user to get additional fixtures they want to use.
449
 *
450
 * @return array Array of fixtures the user wants to add.
451
 */
452
        public function getUserFixtures() {
453
                $proceed = $this->in(__d('cake_console', 'Bake could not detect fixtures, would you like to add some?'), array('y', 'n'), 'n');
454
                $fixtures = array();
455
                if (strtolower($proceed) === 'y') {
456
                        $fixtureList = $this->in(__d('cake_console', "Please provide a comma separated list of the fixtures names you'd like to use.\nExample: 'app.comment, app.post, plugin.forums.post'"));
457
                        $fixtureListTrimmed = str_replace(' ', '', $fixtureList);
458
                        $fixtures = explode(',', $fixtureListTrimmed);
459
                }
460
                $this->_fixtures = array_merge($this->_fixtures, $fixtures);
461
                return $fixtures;
462
        }
463

    
464
/**
465
 * Is a mock class required for this type of test?
466
 * Controllers require a mock class.
467
 *
468
 * @param string $type The type of object tests are being generated for eg. controller.
469
 * @return bool
470
 */
471
        public function hasMockClass($type) {
472
                $type = strtolower($type);
473
                return $type === 'controller';
474
        }
475

    
476
/**
477
 * Generate a constructor code snippet for the type and class name
478
 *
479
 * @param string $type The Type of object you are generating tests for eg. controller
480
 * @param string $fullClassName The Classname of the class the test is being generated for.
481
 * @param string $plugin The plugin name.
482
 * @return array Constructor snippets for the thing you are building.
483
 */
484
        public function generateConstructor($type, $fullClassName, $plugin) {
485
                $type = strtolower($type);
486
                $pre = $construct = $post = '';
487
                if ($type === 'model') {
488
                        $construct = "ClassRegistry::init('{$plugin}$fullClassName');\n";
489
                }
490
                if ($type === 'behavior') {
491
                        $construct = "new $fullClassName();\n";
492
                }
493
                if ($type === 'helper') {
494
                        $pre = "\$View = new View();\n";
495
                        $construct = "new {$fullClassName}(\$View);\n";
496
                }
497
                if ($type === 'component') {
498
                        $pre = "\$Collection = new ComponentCollection();\n";
499
                        $construct = "new {$fullClassName}(\$Collection);\n";
500
                }
501
                return array($pre, $construct, $post);
502
        }
503

    
504
/**
505
 * Generate the uses() calls for a type & class name
506
 *
507
 * @param string $type The Type of object you are generating tests for eg. controller
508
 * @param string $realType The package name for the class.
509
 * @param string $className The Classname of the class the test is being generated for.
510
 * @return array An array containing used classes
511
 */
512
        public function generateUses($type, $realType, $className) {
513
                $uses = array();
514
                $type = strtolower($type);
515
                if ($type === 'component') {
516
                        $uses[] = array('ComponentCollection', 'Controller');
517
                        $uses[] = array('Component', 'Controller');
518
                }
519
                if ($type === 'helper') {
520
                        $uses[] = array('View', 'View');
521
                        $uses[] = array('Helper', 'View');
522
                }
523
                $uses[] = array($className, $realType);
524
                return $uses;
525
        }
526

    
527
/**
528
 * Make the filename for the test case. resolve the suffixes for controllers
529
 * and get the plugin path if needed.
530
 *
531
 * @param string $type The Type of object you are generating tests for eg. controller
532
 * @param string $className the Classname of the class the test is being generated for.
533
 * @return string filename the test should be created on.
534
 */
535
        public function testCaseFileName($type, $className) {
536
                $path = $this->getPath() . 'Case' . DS;
537
                $type = Inflector::camelize($type);
538
                if (isset($this->classTypes[$type])) {
539
                        $path .= $this->classTypes[$type] . DS;
540
                }
541
                $className = $this->getRealClassName($type, $className);
542
                return str_replace('/', DS, $path) . Inflector::camelize($className) . 'Test.php';
543
        }
544

    
545
/**
546
 * Gets the option parser instance and configures it.
547
 *
548
 * @return ConsoleOptionParser
549
 */
550
        public function getOptionParser() {
551
                $parser = parent::getOptionParser();
552

    
553
                $parser->description(
554
                        __d('cake_console', 'Bake test case skeletons for classes.')
555
                )->addArgument('type', array(
556
                        'help' => __d('cake_console', 'Type of class to bake, can be any of the following: controller, model, helper, component or behavior.'),
557
                        'choices' => array(
558
                                'Controller', 'controller',
559
                                'Model', 'model',
560
                                'Helper', 'helper',
561
                                'Component', 'component',
562
                                'Behavior', 'behavior'
563
                        )
564
                ))->addArgument('name', array(
565
                        'help' => __d('cake_console', 'An existing class to bake tests for.')
566
                ))->addOption('theme', array(
567
                        'short' => 't',
568
                        'help' => __d('cake_console', 'Theme to use when baking code.')
569
                ))->addOption('plugin', array(
570
                        'short' => 'p',
571
                        'help' => __d('cake_console', 'CamelCased name of the plugin to bake tests for.')
572
                ))->addOption('force', array(
573
                        'short' => 'f',
574
                        'help' => __d('cake_console', 'Force overwriting existing files without prompting.')
575
                ))->epilog(
576
                        __d('cake_console', 'Omitting all arguments and options will enter into an interactive mode.')
577
                );
578

    
579
                return $parser;
580
        }
581

    
582
}