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<?php
/**
 * CakeTestCase file
 *
 * 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
 * @package       Cake.TestSuite
 * @since         CakePHP(tm) v 1.2.0.4667
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */

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;

/**
 * Control table create/drops on each test method.
 *
 * Set this to false to avoid tables to be dropped if they already exist
 * between each test method. Tables will still be dropped at the
 * end of each test runner execution.
 *
 * @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.
 *
 * @return void
 */
        protected function assertPreConditions() {
                parent::assertPreConditions();
                $this->startTest($this->getName());
        }

/**
 * Announces the end of a test.
 *
 * @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, null, $this->dropTables);
                }
        }

/**
 * 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
 * @param array $perms
 * @return array
 */
        protected function _arrayPermute($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);
        }

/**
 * assert no errors
 */
        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;
        }
        // @codingStandardsIgnoreEnd

/**
 * Mock a model, maintain fixtures and table association
 *
 * @param string $model
 * @param mixed $methods
 * @param array $config
 * @throws MissingModelException
 * @return Model
 */
        public function getMockForModel($model, $methods = array(), $config = array()) {
                $config += ClassRegistry::config('Model');

                list($plugin, $name) = pluginSplit($model, true);
                App::uses($name, $plugin . 'Model');
                $config = array_merge((array)$config, array('name' => $name));

                if (!class_exists($name)) {
                        throw new MissingModelException(array($model));
                }

                $mock = $this->getMock($name, $methods, array($config));
                ClassRegistry::removeObject($name);
                ClassRegistry::addObject($name, $mock);
                return $mock;
        }

}