cakephp/tests/TestCase/Core/ConfigureTest.php

<?php
/**
 * CakePHP(tm) Tests <http://book.cakephp.org/2.0/en/development/testing.html>
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://book.cakephp.org/2.0/en/development/testing.html CakePHP(tm) Tests
 * @since         1.2.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */
namespace Cake\Test\TestCase\Core;

use Cake\Cache\Cache;
use Cake\Core\App;
use Cake\Core\Configure;
use Cake\Core\Configure\Engine\PhpConfig;
use Cake\Core\Plugin;
use Cake\TestSuite\TestCase;

/**
 * ConfigureTest
 *
 */
class ConfigureTest extends TestCase {

/**
 * setUp method
 *
 * @return void
 */
	public function setUp() {
		parent::setUp();
		Cache::disable();
	}

/**
 * tearDown method
 *
 * @return void
 */
	public function tearDown() {
		parent::tearDown();
		if (file_exists(TMP . 'cache/persistent/cake_core_core_paths')) {
			unlink(TMP . 'cache/persistent/cake_core_core_paths');
		}
		if (file_exists(TMP . 'cache/persistent/cake_core_dir_map')) {
			unlink(TMP . 'cache/persistent/cake_core_dir_map');
		}
		if (file_exists(TMP . 'cache/persistent/cake_core_file_map')) {
			unlink(TMP . 'cache/persistent/cake_core_file_map');
		}
		if (file_exists(TMP . 'cache/persistent/cake_core_object_map')) {
			unlink(TMP . 'cache/persistent/cake_core_object_map');
		}
		if (file_exists(TMP . 'cache/persistent/test.config.php')) {
			unlink(TMP . 'cache/persistent/test.config.php');
		}
		if (file_exists(TMP . 'cache/persistent/test.php')) {
			unlink(TMP . 'cache/persistent/test.php');
		}
		Configure::drop('test');
	}

/**
 * testRead method
 *
 * @return void
 */
	public function testRead() {
		$expected = 'ok';
		Configure::write('level1.level2.level3_1', $expected);
		Configure::write('level1.level2.level3_2', 'something_else');
		$result = Configure::read('level1.level2.level3_1');
		$this->assertEquals($expected, $result);

		$result = Configure::read('level1.level2.level3_2');
		$this->assertEquals('something_else', $result);

		$result = Configure::read('debug');
		$this->assertTrue($result >= 0);

		$result = Configure::read();
		$this->assertTrue(is_array($result));
		$this->assertTrue(isset($result['debug']));
		$this->assertTrue(isset($result['level1']));

		$result = Configure::read('something_I_just_made_up_now');
		$this->assertEquals(null, $result, 'Missing key should return null.');
	}

/**
 * testWrite method
 *
 * @return void
 */
	public function testWrite() {
		$writeResult = Configure::write('SomeName.someKey', 'myvalue');
		$this->assertTrue($writeResult);
		$result = Configure::read('SomeName.someKey');
		$this->assertEquals('myvalue', $result);

		$writeResult = Configure::write('SomeName.someKey', null);
		$this->assertTrue($writeResult);
		$result = Configure::read('SomeName.someKey');
		$this->assertEquals(null, $result);

		$expected = array('One' => array('Two' => array('Three' => array('Four' => array('Five' => 'cool')))));
		$writeResult = Configure::write('Key', $expected);
		$this->assertTrue($writeResult);

		$result = Configure::read('Key');
		$this->assertEquals($expected, $result);

		$result = Configure::read('Key.One');
		$this->assertEquals($expected['One'], $result);

		$result = Configure::read('Key.One.Two');
		$this->assertEquals($expected['One']['Two'], $result);

		$result = Configure::read('Key.One.Two.Three.Four.Five');
		$this->assertEquals('cool', $result);

		Configure::write('one.two.three.four', '4');
		$result = Configure::read('one.two.three.four');
		$this->assertEquals('4', $result);
	}

/**
 * test setting display_errors with debug.
 *
 * @return void
 */
	public function testDebugSettingDisplayErrors() {
		Configure::write('debug', false);
		$result = ini_get('display_errors');
		$this->assertEquals(0, $result);

		Configure::write('debug', true);
		$result = ini_get('display_errors');
		$this->assertEquals(1, $result);
	}

/**
 * testDelete method
 *
 * @return void
 */
	public function testDelete() {
		Configure::write('SomeName.someKey', 'myvalue');
		$result = Configure::read('SomeName.someKey');
		$this->assertEquals('myvalue', $result);

		Configure::delete('SomeName.someKey');
		$result = Configure::read('SomeName.someKey');
		$this->assertTrue($result === null);

		Configure::write('SomeName', array('someKey' => 'myvalue', 'otherKey' => 'otherValue'));

		$result = Configure::read('SomeName.someKey');
		$this->assertEquals('myvalue', $result);

		$result = Configure::read('SomeName.otherKey');
		$this->assertEquals('otherValue', $result);

		Configure::delete('SomeName');

		$result = Configure::read('SomeName.someKey');
		$this->assertTrue($result === null);

		$result = Configure::read('SomeName.otherKey');
		$this->assertTrue($result === null);
	}

/**
 * testCheck method
 *
 * @return void
 */
	public function testCheck() {
		Configure::write('ConfigureTestCase', 'value');
		$this->assertTrue(Configure::check('ConfigureTestCase'));

		$this->assertFalse(Configure::check('NotExistingConfigureTestCase'));
	}

/**
 * testCheckingSavedEmpty method
 *
 * @return void
 */
	public function testCheckingSavedEmpty() {
		$this->assertTrue(Configure::write('ConfigureTestCase', 0));
		$this->assertTrue(Configure::check('ConfigureTestCase'));

		$this->assertTrue(Configure::write('ConfigureTestCase', '0'));
		$this->assertTrue(Configure::check('ConfigureTestCase'));

		$this->assertTrue(Configure::write('ConfigureTestCase', false));
		$this->assertTrue(Configure::check('ConfigureTestCase'));

		$this->assertTrue(Configure::write('ConfigureTestCase', null));
		$this->assertFalse(Configure::check('ConfigureTestCase'));
	}

/**
 * testCheckKeyWithSpaces method
 *
 * @return void
 */
	public function testCheckKeyWithSpaces() {
		$this->assertTrue(Configure::write('Configure Test', "test"));
		$this->assertTrue(Configure::check('Configure Test'));
		Configure::delete('Configure Test');

		$this->assertTrue(Configure::write('Configure Test.Test Case', "test"));
		$this->assertTrue(Configure::check('Configure Test.Test Case'));
	}

/**
 * testCheckEmpty
 *
 * @return void
 */
	public function testCheckEmpty() {
		$this->assertFalse(Configure::check());
	}

/**
 * testLoad method
 *
 * @expectedException RuntimeException
 * @return void
 */
	public function testLoadExceptionOnNonExistantFile() {
		Configure::config('test', new PhpConfig());
		Configure::load('non_existing_configuration_file', 'test');
	}

/**
 * test load method for default config creation
 *
 * @return void
 */
	public function testLoadDefaultConfig() {
		try {
			Configure::load('non_existing_configuration_file');
		} catch (\Exception $e) {
			$result = Configure::configured('default');
			$this->assertTrue($result);
		}
	}

/**
 * test load with merging
 *
 * @return void
 */
	public function testLoadWithMerge() {
		Configure::config('test', new PhpConfig(CONFIG));

		$result = Configure::load('var_test', 'test');
		$this->assertTrue($result);

		$this->assertEquals('value', Configure::read('Read'));

		$result = Configure::load('var_test2', 'test', true);
		$this->assertTrue($result);

		$this->assertEquals('value2', Configure::read('Read'));
		$this->assertEquals('buried2', Configure::read('Deep.Second.SecondDeepest'));
		$this->assertEquals('buried', Configure::read('Deep.Deeper.Deepest'));
		$this->assertEquals('Overwrite', Configure::read('TestAcl.classname'));
		$this->assertEquals('one', Configure::read('TestAcl.custom'));
	}

/**
 * test loading with overwrite
 *
 * @return void
 */
	public function testLoadNoMerge() {
		Configure::config('test', new PhpConfig(CONFIG));

		$result = Configure::load('var_test', 'test');
		$this->assertTrue($result);

		$this->assertEquals('value', Configure::read('Read'));

		$result = Configure::load('var_test2', 'test', false);
		$this->assertTrue($result);

		$this->assertEquals('value2', Configure::read('Read'));
		$this->assertEquals('buried2', Configure::read('Deep.Second.SecondDeepest'));
		$this->assertNull(Configure::read('Deep.Deeper.Deepest'));
	}

/**
 * Test load() replacing existing data
 *
 * @return void
 */
	public function testLoadWithExistingData() {
		Configure::config('test', new PhpConfig(CONFIG));
		Configure::write('my_key', 'value');

		Configure::load('var_test', 'test');
		$this->assertEquals('value', Configure::read('my_key'), 'Should not overwrite existing data.');
		$this->assertEquals('value', Configure::read('Read'), 'Should load new data.');
	}

/**
 * Test load() merging on top of existing data
 *
 * @return void
 */
	public function testLoadMergeWithExistingData() {
		Configure::config('test', new PhpConfig());
		Configure::write('my_key', 'value');
		Configure::write('Read', 'old');
		Configure::write('Deep.old', 'old');
		Configure::write('TestAcl.classname', 'old');

		Configure::load('var_test', 'test', true);
		$this->assertEquals('value', Configure::read('Read'), 'Should load new data.');
		$this->assertEquals('buried', Configure::read('Deep.Deeper.Deepest'), 'Should load new data');
		$this->assertEquals('old', Configure::read('Deep.old'), 'Should not destroy old data.');
		$this->assertEquals('value', Configure::read('my_key'), 'Should not destroy data.');
		$this->assertEquals('Original', Configure::read('TestAcl.classname'), 'No arrays');
	}

/**
 * testLoad method
 *
 * @return void
 */
	public function testLoadPlugin() {
		Configure::config('test', new PhpConfig());
		Plugin::load('TestPlugin');
		$result = Configure::load('TestPlugin.load', 'test');
		$this->assertTrue($result);
		$expected = '/test_app/Plugin/TestPlugin/Config/load.php';
		$config = Configure::read('plugin_load');
		$this->assertEquals($expected, $config);

		$result = Configure::load('TestPlugin.more.load', 'test');
		$this->assertTrue($result);
		$expected = '/test_app/Plugin/TestPlugin/Config/more.load.php';
		$config = Configure::read('plugin_more_load');
		$this->assertEquals($expected, $config);
		Plugin::unload();
	}

/**
 * testStore method
 *
 * @return void
 */
	public function testStoreAndRestore() {
		Cache::enable();
		Cache::config('configure', [
			'className' => 'File',
			'path' => TMP . 'tests'
		]);

		Configure::write('Testing', 'yummy');
		$this->assertTrue(Configure::store('store_test', 'configure'));

		Configure::delete('Testing');
		$this->assertNull(Configure::read('Testing'));

		Configure::restore('store_test', 'configure');
		$this->assertEquals('yummy', Configure::read('Testing'));

		Cache::delete('store_test', 'configure');
		Cache::drop('configure');
	}

/**
 * test that store and restore only store/restore the provided data.
 *
 * @return void
 */
	public function testStoreAndRestoreWithData() {
		Cache::enable();
		Cache::config('configure', [
			'className' => 'File',
			'path' => TMP . 'tests'
		]);

		Configure::write('testing', 'value');
		Configure::store('store_test', 'configure', array('store_test' => 'one'));
		Configure::delete('testing');
		$this->assertNull(Configure::read('store_test'), 'Calling store with data shouldn\'t modify runtime.');

		Configure::restore('store_test', 'configure');
		$this->assertEquals('one', Configure::read('store_test'));
		$this->assertNull(Configure::read('testing'), 'Values that were not stored are not restored.');

		Cache::delete('store_test', 'configure');
		Cache::drop('configure');
	}

/**
 * testVersion method
 *
 * @return void
 */
	public function testVersion() {
		$result = Configure::version();
		$this->assertTrue(version_compare($result, '1.2', '>='));
	}

/**
 * test adding new engines.
 *
 * @return void
 */
	public function testEngineSetup() {
		$engine = new PhpConfig();
		Configure::config('test', $engine);
		$configured = Configure::configured();

		$this->assertTrue(in_array('test', $configured));

		$this->assertTrue(Configure::configured('test'));
		$this->assertFalse(Configure::configured('fake_garbage'));

		$this->assertTrue(Configure::drop('test'));
		$this->assertFalse(Configure::drop('test'), 'dropping things that do not exist should return false.');
	}

/**
 * test engine() throwing exceptions on missing interface.
 *
 * @expectedException PHPUnit_Framework_Error
 * @return void
 */
	public function testEngineExceptionOnIncorrectClass() {
		$engine = new \StdClass();
		Configure::config('test', $engine);
	}

/**
 * Test that clear wipes all values.
 *
 * @return void
 */
	public function testClear() {
		Configure::write('test', 'value');
		$this->assertTrue(Configure::clear());
		$this->assertNull(Configure::read('debug'));
		$this->assertNull(Configure::read('test'));
	}

/**
 * @expectedException \Cake\Error\Exception
 * @return void
 */
	public function testDumpNoAdapter() {
		Configure::dump(TMP . 'test.php', 'does_not_exist');
	}

/**
 * test dump integrated with the PhpConfig.
 *
 * @return void
 */
	public function testDump() {
		Configure::config('test_Engine', new PhpConfig(TMP));

		$result = Configure::dump('config_test.php', 'test_Engine');
		$this->assertTrue($result > 0);
		$result = file_get_contents(TMP . 'config_test.php');
		$this->assertContains('<?php', $result);
		$this->assertContains('$config = ', $result);
		if (file_exists(TMP . 'config_test.php')) {
			unlink(TMP . 'config_test.php');
		}
	}

/**
 * Test dumping only some of the data.
 *
 * @return void
 */
	public function testDumpPartial() {
		Configure::config('test_Engine', new PhpConfig(TMP));
		Configure::write('Error', ['test' => 'value']);

		$result = Configure::dump('config_test.php', 'test_Engine', ['Error']);
		$this->assertTrue($result > 0);
		$result = file_get_contents(TMP . 'config_test.php');
		$this->assertContains('<?php', $result);
		$this->assertContains('$config = ', $result);
		$this->assertContains('Error', $result);
		$this->assertNotContains('debug', $result);

		if (file_exists(TMP . 'config_test.php')) {
			unlink(TMP . 'config_test.php');
		}
	}

/**
 * Test the consume method.
 *
 * @return void
 */
	public function testConsume() {
		$this->assertNull(Configure::consume('DoesNotExist'), 'Should be null on empty value');
		Configure::write('Test', ['key' => 'value', 'key2' => 'value2']);

		$result = Configure::consume('Test.key');
		$this->assertEquals('value', $result);

		$result = Configure::read('Test.key2');
		$this->assertEquals('value2', $result, 'Other values should remain.');

		$result = Configure::consume('Test');
		$expected = ['key2' => 'value2'];
		$this->assertEquals($expected, $result);
	}

}