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  • CakeFixtureManager
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  1: <?php
  2: /**
  3:  * CakePHP(tm) Tests <http://book.cakephp.org/2.0/en/development/testing.html>
  4:  * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
  5:  *
  6:  * Licensed under The MIT License
  7:  * For full copyright and license information, please see the LICENSE.txt
  8:  * Redistributions of files must retain the above copyright notice
  9:  *
 10:  * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 11:  * @link          http://book.cakephp.org/2.0/en/development/testing.html CakePHP(tm) Tests
 12:  * @package       Cake.TestSuite.Fixture
 13:  * @since         CakePHP(tm) v 1.2.0.4667
 14:  * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 15:  */
 16: 
 17: App::uses('CakeSchema', 'Model');
 18: 
 19: /**
 20:  * CakeTestFixture is responsible for building and destroying tables to be used
 21:  * during testing.
 22:  *
 23:  * @package       Cake.TestSuite.Fixture
 24:  */
 25: class CakeTestFixture {
 26: 
 27: /**
 28:  * Name of the object
 29:  *
 30:  * @var string
 31:  */
 32:     public $name = null;
 33: 
 34: /**
 35:  * CakePHP's DBO driver (e.g: DboMysql).
 36:  *
 37:  * @var object
 38:  */
 39:     public $db = null;
 40: 
 41: /**
 42:  * Fixture Datasource
 43:  *
 44:  * @var string
 45:  */
 46:     public $useDbConfig = 'test';
 47: 
 48: /**
 49:  * Full Table Name
 50:  *
 51:  * @var string
 52:  */
 53:     public $table = null;
 54: 
 55: /**
 56:  * List of datasources where this fixture has been created
 57:  *
 58:  * @var array
 59:  */
 60:     public $created = array();
 61: 
 62: /**
 63:  * Fields / Schema for the fixture.
 64:  * This array should match the output of Model::schema()
 65:  *
 66:  * @var array
 67:  */
 68:     public $fields = array();
 69: 
 70: /**
 71:  * Fixture records to be inserted.
 72:  *
 73:  * @var array
 74:  */
 75:     public $records = array();
 76: 
 77: /**
 78:  * The primary key for the table this fixture represents.
 79:  *
 80:  * @var string
 81:  */
 82:     public $primaryKey = null;
 83: 
 84: /**
 85:  * Fixture data can be stored in memory by default.
 86:  * When table is created for a fixture the MEMORY engine is used
 87:  * where possible. Set $canUseMemory to false if you don't want this.
 88:  *
 89:  * @var bool
 90:  */
 91:     public $canUseMemory = true;
 92: 
 93: /**
 94:  * Instantiate the fixture.
 95:  *
 96:  * @throws CakeException on invalid datasource usage.
 97:  */
 98:     public function __construct() {
 99:         if ($this->name === null) {
100:             if (preg_match('/^(.*)Fixture$/', get_class($this), $matches)) {
101:                 $this->name = $matches[1];
102:             } else {
103:                 $this->name = get_class($this);
104:             }
105:         }
106:         $connection = 'test';
107:         if (!empty($this->useDbConfig)) {
108:             $connection = $this->useDbConfig;
109:             if (strpos($connection, 'test') !== 0) {
110:                 $message = __d(
111:                     'cake_dev',
112:                     'Invalid datasource name "%s" for "%s" fixture. Fixture datasource names must begin with "test".',
113:                     $connection,
114:                     $this->name
115:                 );
116:                 throw new CakeException($message);
117:             }
118:         }
119:         $this->Schema = new CakeSchema(array('name' => 'TestSuite', 'connection' => $connection));
120:         $this->init();
121:     }
122: 
123: /**
124:  * Initialize the fixture.
125:  *
126:  * @return void
127:  * @throws MissingModelException Whe importing from a model that does not exist.
128:  */
129:     public function init() {
130:         if (isset($this->import) && (is_string($this->import) || is_array($this->import))) {
131:             $import = array_merge(
132:                 array('connection' => 'default', 'records' => false),
133:                 is_array($this->import) ? $this->import : array('model' => $this->import)
134:             );
135: 
136:             $this->Schema->connection = $import['connection'];
137:             if (isset($import['model'])) {
138:                 list($plugin, $modelClass) = pluginSplit($import['model'], true);
139:                 App::uses($modelClass, $plugin . 'Model');
140:                 if (!class_exists($modelClass)) {
141:                     throw new MissingModelException(array('class' => $modelClass));
142:                 }
143:                 $model = new $modelClass(null, null, $import['connection']);
144:                 $db = $model->getDataSource();
145:                 if (empty($model->tablePrefix)) {
146:                     $model->tablePrefix = $db->config['prefix'];
147:                 }
148:                 $this->fields = $model->schema(true);
149:                 $this->fields[$model->primaryKey]['key'] = 'primary';
150:                 $this->table = $db->fullTableName($model, false, false);
151:                 $this->primaryKey = $model->primaryKey;
152:                 ClassRegistry::config(array('ds' => 'test'));
153:                 ClassRegistry::flush();
154:             } elseif (isset($import['table'])) {
155:                 $model = new Model(null, $import['table'], $import['connection']);
156:                 $db = ConnectionManager::getDataSource($import['connection']);
157:                 $db->cacheSources = false;
158:                 $model->useDbConfig = $import['connection'];
159:                 $model->name = Inflector::camelize(Inflector::singularize($import['table']));
160:                 $model->table = $import['table'];
161:                 $model->tablePrefix = $db->config['prefix'];
162:                 $this->fields = $model->schema(true);
163:                 $this->primaryKey = $model->primaryKey;
164:                 ClassRegistry::flush();
165:             }
166: 
167:             if (!empty($db->config['prefix']) && strpos($this->table, $db->config['prefix']) === 0) {
168:                 $this->table = str_replace($db->config['prefix'], '', $this->table);
169:             }
170: 
171:             if (isset($import['records']) && $import['records'] !== false && isset($model) && isset($db)) {
172:                 $this->records = array();
173:                 $query = array(
174:                     'fields' => $db->fields($model, null, array_keys($this->fields)),
175:                     'table' => $db->fullTableName($model),
176:                     'alias' => $model->alias,
177:                     'conditions' => array(),
178:                     'order' => null,
179:                     'limit' => null,
180:                     'group' => null
181:                 );
182:                 $records = $db->fetchAll($db->buildStatement($query, $model), false, $model->alias);
183: 
184:                 if ($records !== false && !empty($records)) {
185:                     $this->records = Hash::extract($records, '{n}.' . $model->alias);
186:                 }
187:             }
188:         }
189: 
190:         if (!isset($this->table)) {
191:             $this->table = Inflector::underscore(Inflector::pluralize($this->name));
192:         }
193: 
194:         if (!isset($this->primaryKey) && isset($this->fields['id'])) {
195:             $this->primaryKey = 'id';
196:         }
197:     }
198: 
199: /**
200:  * Run before all tests execute, should return SQL statement to create table for this fixture could be executed successfully.
201:  *
202:  * @param DboSource $db An instance of the database object used to create the fixture table
203:  * @return bool True on success, false on failure
204:  */
205:     public function create($db) {
206:         if (!isset($this->fields) || empty($this->fields)) {
207:             return false;
208:         }
209: 
210:         if (empty($this->fields['tableParameters']['engine'])) {
211:             $canUseMemory = $this->canUseMemory;
212:             foreach ($this->fields as $args) {
213: 
214:                 if (is_string($args)) {
215:                     $type = $args;
216:                 } elseif (!empty($args['type'])) {
217:                     $type = $args['type'];
218:                 } else {
219:                     continue;
220:                 }
221: 
222:                 if (in_array($type, array('blob', 'text', 'binary'))) {
223:                     $canUseMemory = false;
224:                     break;
225:                 }
226:             }
227: 
228:             if ($canUseMemory) {
229:                 $this->fields['tableParameters']['engine'] = 'MEMORY';
230:             }
231:         }
232:         $this->Schema->build(array($this->table => $this->fields));
233:         try {
234:             $db->execute($db->createSchema($this->Schema), array('log' => false));
235:             $this->created[] = $db->configKeyName;
236:         } catch (Exception $e) {
237:             $msg = __d(
238:                 'cake_dev',
239:                 'Fixture creation for "%s" failed "%s"',
240:                 $this->table,
241:                 $e->getMessage()
242:             );
243:             CakeLog::error($msg);
244:             trigger_error($msg, E_USER_WARNING);
245:             return false;
246:         }
247:         return true;
248:     }
249: 
250: /**
251:  * Run after all tests executed, should return SQL statement to drop table for this fixture.
252:  *
253:  * @param DboSource $db An instance of the database object used to create the fixture table
254:  * @return bool True on success, false on failure
255:  */
256:     public function drop($db) {
257:         if (empty($this->fields)) {
258:             return false;
259:         }
260:         $this->Schema->build(array($this->table => $this->fields));
261:         try {
262: 
263:             $db->execute($db->dropSchema($this->Schema), array('log' => false));
264:             $this->created = array_diff($this->created, array($db->configKeyName));
265:         } catch (Exception $e) {
266:             return false;
267:         }
268:         return true;
269:     }
270: 
271: /**
272:  * Run before each tests is executed, should return a set of SQL statements to insert records for the table
273:  * of this fixture could be executed successfully.
274:  *
275:  * @param DboSource $db An instance of the database into which the records will be inserted
276:  * @return bool on success or if there are no records to insert, or false on failure
277:  * @throws CakeException if counts of values and fields do not match.
278:  */
279:     public function insert($db) {
280:         if (!isset($this->_insert)) {
281:             $values = array();
282:             if (isset($this->records) && !empty($this->records)) {
283:                 $fields = array();
284:                 foreach ($this->records as $record) {
285:                     $fields = array_merge($fields, array_keys(array_intersect_key($record, $this->fields)));
286:                 }
287:                 $fields = array_unique($fields);
288:                 $default = array_fill_keys($fields, null);
289:                 foreach ($this->records as $record) {
290:                     $mergeData = array_merge($default, $record);
291:                     $merge = array_values($mergeData);
292:                     if (count($fields) !== count($merge)) {
293: 
294:                         $mergeFields = array_diff_key(array_keys($mergeData), $fields);
295: 
296:                         $message = 'Fixture invalid: Count of fields does not match count of values in ' . get_class($this) . "\n";
297:                         foreach ($mergeFields as $field) {
298:                             $message .= "The field '" . $field . "' is in the data fixture but not in the schema." . "\n";
299:                         }
300: 
301:                         throw new CakeException($message);
302:                     }
303:                     $values[] = $merge;
304:                 }
305:                 $nested = $db->useNestedTransactions;
306:                 $db->useNestedTransactions = false;
307:                 $result = $db->insertMulti($this->table, $fields, $values);
308:                 if ($this->primaryKey &&
309:                     isset($this->fields[$this->primaryKey]['type']) &&
310:                     in_array($this->fields[$this->primaryKey]['type'], array('integer', 'biginteger'))
311:                 ) {
312:                     $db->resetSequence($this->table, $this->primaryKey);
313:                 }
314:                 $db->useNestedTransactions = $nested;
315:                 return $result;
316:             }
317:             return true;
318:         }
319:     }
320: 
321: /**
322:  * Truncates the current fixture. Can be overwritten by classes extending
323:  * CakeFixture to trigger other events before / after truncate.
324:  *
325:  * @param DboSource $db A reference to a db instance
326:  * @return bool
327:  */
328:     public function truncate($db) {
329:         $fullDebug = $db->fullDebug;
330:         $db->fullDebug = false;
331:         $return = $db->truncate($this->table);
332:         $db->fullDebug = $fullDebug;
333:         return $return;
334:     }
335: 
336: }
337: 
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