* Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org) * * Licensed under The MIT License * Redistributions of files must retain the above copyright notice * * @copyright Copyright 2005-2012, Cake Software Foundation, Inc. (http://cakefoundation.org) * @link http://book.cakephp.org/2.0/en/development/testing.html CakePHP(tm) Tests * @package Cake.TestSuite * @since CakePHP(tm) v 1.2.0.4667 * @license MIT License (http://www.opensource.org/licenses/mit-license.php) */ App::uses('CakeFixtureManager', 'TestSuite/Fixture'); App::uses('CakeTestFixture', 'TestSuite/Fixture'); /** * CakeTestCase class * * @package Cake.TestSuite */ abstract class CakeTestCase extends PHPUnit_Framework_TestCase { /** * The class responsible for managing the creation, loading and removing of fixtures * * @var CakeFixtureManager */ public $fixtureManager = null; /** * By default, all fixtures attached to this class will be truncated and reloaded after each test. * Set this to false to handle manually * * @var array */ public $autoFixtures = true; /** * Set this to false to avoid tables to be dropped if they already exist * * @var boolean */ public $dropTables = true; /** * Configure values to restore at end of test. * * @var array */ protected $_configure = array(); /** * Path settings to restore at the end of the test. * * @var array */ protected $_pathRestore = array(); /** * Runs the test case and collects the results in a TestResult object. * If no TestResult object is passed a new one will be created. * This method is run for each test method in this class * * @param PHPUnit_Framework_TestResult $result * @return PHPUnit_Framework_TestResult * @throws InvalidArgumentException */ public function run(PHPUnit_Framework_TestResult $result = null) { if (!empty($this->fixtureManager)) { $this->fixtureManager->load($this); } $result = parent::run($result); if (!empty($this->fixtureManager)) { $this->fixtureManager->unload($this); } return $result; } /** * Called when a test case method is about to start (to be overridden when needed.) * * @param string $method Test method about to get executed. * @return void */ public function startTest($method) { } /** * Called when a test case method has been executed (to be overridden when needed.) * * @param string $method Test method about that was executed. * @return void */ public function endTest($method) { } /** * Overrides SimpleTestCase::skipIf to provide a boolean return value * * @param boolean $shouldSkip * @param string $message * @return boolean */ public function skipIf($shouldSkip, $message = '') { if ($shouldSkip) { $this->markTestSkipped($message); } return $shouldSkip; } /** * Setup the test case, backup the static object values so they can be restored. * Specifically backs up the contents of Configure and paths in App if they have * not already been backed up. * * @return void */ public function setUp() { parent::setUp(); if (empty($this->_configure)) { $this->_configure = Configure::read(); } if (empty($this->_pathRestore)) { $this->_pathRestore = App::paths(); } if (class_exists('Router', false)) { Router::reload(); } } /** * teardown any static object changes and restore them. * * @return void */ public function tearDown() { parent::tearDown(); App::build($this->_pathRestore, App::RESET); if (class_exists('ClassRegistry', false)) { ClassRegistry::flush(); } if (!empty($this->_configure)) { Configure::clear(); Configure::write($this->_configure); } if (isset($_GET['debug']) && $_GET['debug']) { ob_flush(); } } /** * See CakeTestSuiteDispatcher::date() * * @param string $format format to be used. * @return string */ public static function date($format = 'Y-m-d H:i:s') { return CakeTestSuiteDispatcher::date($format); } // @codingStandardsIgnoreStart PHPUnit overrides don't match CakePHP /** * Announces the start of a test. * * @param string $method Test method just started. * @return void */ protected function assertPreConditions() { parent::assertPreConditions(); $this->startTest($this->getName()); } /** * Announces the end of a test. * * @param string $method Test method just finished. * @return void */ protected function assertPostConditions() { parent::assertPostConditions(); $this->endTest($this->getName()); } // @codingStandardsIgnoreEnd /** * Chooses which fixtures to load for a given test * * @param string $fixture Each parameter is a model name that corresponds to a * fixture, i.e. 'Post', 'Author', etc. * @return void * @see CakeTestCase::$autoFixtures * @throws Exception when no fixture manager is available. */ public function loadFixtures() { if (empty($this->fixtureManager)) { throw new Exception(__d('cake_dev', 'No fixture manager to load the test fixture')); } $args = func_get_args(); foreach ($args as $class) { $this->fixtureManager->loadSingle($class); } } /** * Assert text equality, ignoring differences in newlines. * Helpful for doing cross platform tests of blocks of text. * * @param string $expected The expected value. * @param string $result The actual value. * @param message The message to use for failure. * @return boolean */ public function assertTextNotEquals($expected, $result, $message = '') { $expected = str_replace(array("\r\n", "\r"), "\n", $expected); $result = str_replace(array("\r\n", "\r"), "\n", $result); return $this->assertNotEquals($expected, $result, $message); } /** * Assert text equality, ignoring differences in newlines. * Helpful for doing cross platform tests of blocks of text. * * @param string $expected The expected value. * @param string $result The actual value. * @param message The message to use for failure. * @return boolean */ public function assertTextEquals($expected, $result, $message = '') { $expected = str_replace(array("\r\n", "\r"), "\n", $expected); $result = str_replace(array("\r\n", "\r"), "\n", $result); return $this->assertEquals($expected, $result, $message); } /** * Asserts that a string starts with a given prefix, ignoring differences in newlines. * Helpful for doing cross platform tests of blocks of text. * * @param string $prefix * @param string $string * @param string $message * @return boolean */ public function assertTextStartsWith($prefix, $string, $message = '') { $prefix = str_replace(array("\r\n", "\r"), "\n", $prefix); $string = str_replace(array("\r\n", "\r"), "\n", $string); return $this->assertStringStartsWith($prefix, $string, $message); } /** * Asserts that a string starts not with a given prefix, ignoring differences in newlines. * Helpful for doing cross platform tests of blocks of text. * * @param string $prefix * @param string $string * @param string $message * @return boolean */ public function assertTextStartsNotWith($prefix, $string, $message = '') { $prefix = str_replace(array("\r\n", "\r"), "\n", $prefix); $string = str_replace(array("\r\n", "\r"), "\n", $string); return $this->assertStringStartsNotWith($prefix, $string, $message); } /** * Asserts that a string ends with a given prefix, ignoring differences in newlines. * Helpful for doing cross platform tests of blocks of text. * * @param string $suffix * @param string $string * @param string $message * @return boolean */ public function assertTextEndsWith($suffix, $string, $message = '') { $suffix = str_replace(array("\r\n", "\r"), "\n", $suffix); $string = str_replace(array("\r\n", "\r"), "\n", $string); return $this->assertStringEndsWith($suffix, $string, $message); } /** * Asserts that a string ends not with a given prefix, ignoring differences in newlines. * Helpful for doing cross platform tests of blocks of text. * * @param string $suffix * @param string $string * @param string $message * @return boolean */ public function assertTextEndsNotWith($suffix, $string, $message = '') { $suffix = str_replace(array("\r\n", "\r"), "\n", $suffix); $string = str_replace(array("\r\n", "\r"), "\n", $string); return $this->assertStringEndsNotWith($suffix, $string, $message); } /** * Assert that a string contains another string, ignoring differences in newlines. * Helpful for doing cross platform tests of blocks of text. * * @param string $needle * @param string $haystack * @param string $message * @param boolean $ignoreCase * @return boolean */ public function assertTextContains($needle, $haystack, $message = '', $ignoreCase = false) { $needle = str_replace(array("\r\n", "\r"), "\n", $needle); $haystack = str_replace(array("\r\n", "\r"), "\n", $haystack); return $this->assertContains($needle, $haystack, $message, $ignoreCase); } /** * Assert that a text doesn't contain another text, ignoring differences in newlines. * Helpful for doing cross platform tests of blocks of text. * * @param string $needle * @param string $haystack * @param string $message * @param boolean $ignoreCase * @return boolean */ public function assertTextNotContains($needle, $haystack, $message = '', $ignoreCase = false) { $needle = str_replace(array("\r\n", "\r"), "\n", $needle); $haystack = str_replace(array("\r\n", "\r"), "\n", $haystack); return $this->assertNotContains($needle, $haystack, $message, $ignoreCase); } /** * Takes an array $expected and generates a regex from it to match the provided $string. * Samples for $expected: * * Checks for an input tag with a name attribute (contains any non-empty value) and an id * attribute that contains 'my-input': * array('input' => array('name', 'id' => 'my-input')) * * Checks for two p elements with some text in them: * array( * array('p' => true), * 'textA', * '/p', * array('p' => true), * 'textB', * '/p' * ) * * You can also specify a pattern expression as part of the attribute values, or the tag * being defined, if you prepend the value with preg: and enclose it with slashes, like so: * array( * array('input' => array('name', 'id' => 'preg:/FieldName\d+/')), * 'preg:/My\s+field/' * ) * * Important: This function is very forgiving about whitespace and also accepts any * permutation of attribute order. It will also allow whitespace between specified tags. * * @param string $string An HTML/XHTML/XML string * @param array $expected An array, see above * @param string $message SimpleTest failure output string * @return boolean */ public function assertTags($string, $expected, $fullDebug = false) { $regex = array(); $normalized = array(); foreach ((array)$expected as $key => $val) { if (!is_numeric($key)) { $normalized[] = array($key => $val); } else { $normalized[] = $val; } } $i = 0; foreach ($normalized as $tags) { if (!is_array($tags)) { $tags = (string)$tags; } $i++; if (is_string($tags) && $tags{0} == '<') { $tags = array(substr($tags, 1) => array()); } elseif (is_string($tags)) { $tagsTrimmed = preg_replace('/\s+/m', '', $tags); if (preg_match('/^\*?\//', $tags, $match) && $tagsTrimmed !== '//') { $prefix = array(null, null); if ($match[0] == '*/') { $prefix = array('Anything, ', '.*?'); } $regex[] = array( sprintf('%sClose %s tag', $prefix[0], substr($tags, strlen($match[0]))), sprintf('%s<[\s]*\/[\s]*%s[\s]*>[\n\r]*', $prefix[1], substr($tags, strlen($match[0]))), $i, ); continue; } if (!empty($tags) && preg_match('/^preg\:\/(.+)\/$/i', $tags, $matches)) { $tags = $matches[1]; $type = 'Regex matches'; } else { $tags = preg_quote($tags, '/'); $type = 'Text equals'; } $regex[] = array( sprintf('%s "%s"', $type, $tags), $tags, $i, ); continue; } foreach ($tags as $tag => $attributes) { $regex[] = array( sprintf('Open %s tag', $tag), sprintf('[\s]*<%s', preg_quote($tag, '/')), $i, ); if ($attributes === true) { $attributes = array(); } $attrs = array(); $explanations = array(); $i = 1; foreach ($attributes as $attr => $val) { if (is_numeric($attr) && preg_match('/^preg\:\/(.+)\/$/i', $val, $matches)) { $attrs[] = $matches[1]; $explanations[] = sprintf('Regex "%s" matches', $matches[1]); continue; } else { $quotes = '["\']'; if (is_numeric($attr)) { $attr = $val; $val = '.+?'; $explanations[] = sprintf('Attribute "%s" present', $attr); } elseif (!empty($val) && preg_match('/^preg\:\/(.+)\/$/i', $val, $matches)) { $quotes = '["\']?'; $val = $matches[1]; $explanations[] = sprintf('Attribute "%s" matches "%s"', $attr, $val); } else { $explanations[] = sprintf('Attribute "%s" == "%s"', $attr, $val); $val = preg_quote($val, '/'); } $attrs[] = '[\s]+' . preg_quote($attr, '/') . '=' . $quotes . $val . $quotes; } $i++; } if ($attrs) { $permutations = $this->_arrayPermute($attrs); $permutationTokens = array(); foreach ($permutations as $permutation) { $permutationTokens[] = implode('', $permutation); } $regex[] = array( sprintf('%s', implode(', ', $explanations)), $permutationTokens, $i, ); } $regex[] = array( sprintf('End %s tag', $tag), '[\s]*\/?[\s]*>[\n\r]*', $i, ); } } foreach ($regex as $i => $assertation) { list($description, $expressions, $itemNum) = $assertation; $matches = false; foreach ((array)$expressions as $expression) { if (preg_match(sprintf('/^%s/s', $expression), $string, $match)) { $matches = true; $string = substr($string, strlen($match[0])); break; } } if (!$matches) { $this->assertTrue(false, sprintf('Item #%d / regex #%d failed: %s', $itemNum, $i, $description)); if ($fullDebug) { debug($string, true); debug($regex, true); } return false; } } $this->assertTrue(true, '%s'); return true; } /** * Generates all permutation of an array $items and returns them in a new array. * * @param array $items An array of items * @return array */ protected function _arrayPermute($items, $perms = array()) { static $permuted; if (empty($perms)) { $permuted = array(); } if (empty($items)) { $permuted[] = $perms; } else { $numItems = count($items) - 1; for ($i = $numItems; $i >= 0; --$i) { $newItems = $items; $newPerms = $perms; list($tmp) = array_splice($newItems, $i, 1); array_unshift($newPerms, $tmp); $this->_arrayPermute($newItems, $newPerms); } return $permuted; } } // @codingStandardsIgnoreStart /** * Compatibility wrapper function for assertEquals * * * @param mixed $result * @param mixed $expected * @param string $message the text to display if the assertion is not correct * @return void */ protected static function assertEqual($result, $expected, $message = '') { return self::assertEquals($expected, $result, $message); } /** * Compatibility wrapper function for assertNotEquals * * @param mixed $result * @param mixed $expected * @param string $message the text to display if the assertion is not correct * @return void */ protected static function assertNotEqual($result, $expected, $message = '') { return self::assertNotEquals($expected, $result, $message); } /** * Compatibility wrapper function for assertRegexp * * @param mixed $pattern a regular expression * @param string $string the text to be matched * @param string $message the text to display if the assertion is not correct * @return void */ protected static function assertPattern($pattern, $string, $message = '') { return self::assertRegExp($pattern, $string, $message); } /** * Compatibility wrapper function for assertEquals * * @param mixed $actual * @param mixed $expected * @param string $message the text to display if the assertion is not correct * @return void */ protected static function assertIdentical($actual, $expected, $message = '') { return self::assertSame($expected, $actual, $message); } /** * Compatibility wrapper function for assertNotEquals * * @param mixed $actual * @param mixed $expected * @param string $message the text to display if the assertion is not correct * @return void */ protected static function assertNotIdentical($actual, $expected, $message = '') { return self::assertNotSame($expected, $actual, $message); } /** * Compatibility wrapper function for assertNotRegExp * * @param mixed $pattern a regular expression * @param string $string the text to be matched * @param string $message the text to display if the assertion is not correct * @return void */ protected static function assertNoPattern($pattern, $string, $message = '') { return self::assertNotRegExp($pattern, $string, $message); } protected function assertNoErrors() { } /** * Compatibility wrapper function for setExpectedException * * @param mixed $expected the name of the Exception or error * @param string $message the text to display if the assertion is not correct * @return void */ protected function expectError($expected = false, $message = '') { if (!$expected) { $expected = 'Exception'; } $this->setExpectedException($expected, $message); } /** * Compatibility wrapper function for setExpectedException * * @param mixed $expected the name of the Exception * @param string $message the text to display if the assertion is not correct * @return void */ protected function expectException($name = 'Exception', $message = '') { $this->setExpectedException($name, $message); } /** * Compatibility wrapper function for assertSame * * @param mixed $first * @param mixed $second * @param string $message the text to display if the assertion is not correct * @return void */ protected static function assertReference(&$first, &$second, $message = '') { return self::assertSame($first, $second, $message); } /** * Compatibility wrapper for assertIsA * * @param string $object * @param string $type * @param string $message * @return void */ protected static function assertIsA($object, $type, $message = '') { return self::assertInstanceOf($type, $object, $message); } /** * Compatibility function to test if value is between an acceptable range * * @param mixed $result * @param mixed $expected * @param mixed $margin the rage of acceptation * @param string $message the text to display if the assertion is not correct * @return void */ protected static function assertWithinMargin($result, $expected, $margin, $message = '') { $upper = $result + $margin; $lower = $result - $margin; return self::assertTrue((($expected <= $upper) && ($expected >= $lower)), $message); } /** * Compatibility function for skipping. * * @param boolean $condition Condition to trigger skipping * @param string $message Message for skip * @return boolean */ protected function skipUnless($condition, $message = '') { if (!$condition) { $this->markTestSkipped($message); } return $condition; } // @codingStandardsIgnoreStop }