<?php class CI_TestCase extends PHPUnit_Framework_TestCase { public $ci_vfs_root; public $ci_app_root; public $ci_base_root; protected $ci_instance; protected static $ci_test_instance; private $global_map = array( 'benchmark' => 'bm', 'config' => 'cfg', 'hooks' => 'ext', 'utf8' => 'uni', 'router' => 'rtr', 'output' => 'out', 'security' => 'sec', 'input' => 'in', 'lang' => 'lang', 'loader' => 'load', 'model' => 'model' ); // -------------------------------------------------------------------- public function __construct() { parent::__construct(); $this->ci_instance = new stdClass(); } // -------------------------------------------------------------------- public function setUp() { // Setup VFS with base directories $this->ci_vfs_root = vfsStream::setup(); $this->ci_app_root = vfsStream::newDirectory('application')->at($this->ci_vfs_root); $this->ci_base_root = vfsStream::newDirectory('system')->at($this->ci_vfs_root); $this->ci_view_root = vfsStream::newDirectory('views')->at($this->ci_app_root); if (method_exists($this, 'set_up')) { $this->set_up(); } } // -------------------------------------------------------------------- public function tearDown() { if (method_exists($this, 'tear_down')) { $this->tear_down(); } } // -------------------------------------------------------------------- public static function instance() { return self::$ci_test_instance; } // -------------------------------------------------------------------- public function ci_set_config($key = '', $val = '') { // Add test config if ( ! isset($this->ci_instance->config)) { $this->ci_instance->config = new CI_TestConfig(); } // Empty key means just do setup above if ($key === '') { return; } if (is_array($key)) { $this->ci_instance->config->config = $key; } else { $this->ci_instance->config->config[$key] = $val; } } // -------------------------------------------------------------------- public function ci_get_config() { return isset($this->ci_instance->config) ? $this->ci_instance->config->config : array(); } // -------------------------------------------------------------------- public function ci_instance($obj = FALSE) { if ( ! is_object($obj)) { return $this->ci_instance; } $this->ci_instance = $obj; } // -------------------------------------------------------------------- public function ci_instance_var($name, $obj = FALSE) { if ( ! is_object($obj)) { return $this->ci_instance->$name; } $this->ci_instance->$name =& $obj; } // -------------------------------------------------------------------- /** * Grab a core class * * Loads the correct core class without extensions * and returns a reference to the class name in the * globals array with the correct key. This way the * test can modify the variable it assigns to and * still maintain the global. */ public function &ci_core_class($name) { $name = strtolower($name); if (isset($this->global_map[$name])) { $class_name = ucfirst($name); $global_name = $this->global_map[$name]; } elseif (in_array($name, $this->global_map)) { $class_name = ucfirst(array_search($name, $this->global_map)); $global_name = $name; } else { throw new Exception('Not a valid core class.'); } if ( ! class_exists('CI_'.$class_name)) { require_once SYSTEM_PATH.'core/'.$class_name.'.php'; } $GLOBALS[strtoupper($global_name)] = 'CI_'.$class_name; return $GLOBALS[strtoupper($global_name)]; } // -------------------------------------------------------------------- // convenience function for global mocks public function ci_set_core_class($name, $obj) { $orig =& $this->ci_core_class($name); $orig = $obj; } /** * Create VFS directory * * @param string Directory name * @param object Optional root to create in * @return object New directory object */ public function ci_vfs_mkdir($name, $root = NULL) { // Check for root if ( ! $root) { $root = $this->ci_vfs_root; } // Return new directory object return vfsStream::newDirectory($name)->at($root); } // -------------------------------------------------------------------- /** * Create VFS content * * @param string File name * @param string File content * @param object VFS directory object * @param mixed Optional subdirectory path or array of subs * @return void */ public function ci_vfs_create($file, $content = '', $root = NULL, $path = NULL) { // Check for array if (is_array($file)) { foreach ($file as $name => $content) { $this->ci_vfs_create($name, $content, $root, $path); } return; } // Assert .php extension if none given if (pathinfo($file, PATHINFO_EXTENSION) == '') { $file .= '.php'; } // Build content $tree = array($file => $content); // Check for path $subs = array(); if ($path) { // Explode if not array $subs = is_array($path) ? $path : explode('/', trim($path, '/')); } // Check for root if ( ! $root) { // Use base VFS root $root = $this->ci_vfs_root; } // Handle subdirectories while (($dir = array_shift($subs))) { // See if subdir exists under current root $dir_root = $root->getChild($dir); if ($dir_root) { // Yes - recurse into subdir $root = $dir_root; } else { // No - put subdirectory back and quit array_unshift($subs, $dir); break; } } // Create any remaining subdirectories if ($subs) { foreach (array_reverse($subs) as $dir) { // Wrap content in subdirectory for creation $tree = array($dir => $tree); } } // Create tree vfsStream::create($tree, $root); } // -------------------------------------------------------------------- /** * Clone a real file into VFS * * @param string Path from base directory * @return bool TRUE on success, otherwise FALSE */ public function ci_vfs_clone($path) { // Check for array if (is_array($path)) { foreach ($path as $file) { $this->ci_vfs_clone($file); } return; } // Get real file contents $content = file_get_contents(PROJECT_BASE.$path); if ($content === FALSE) { // Couldn't find file to clone return FALSE; } $this->ci_vfs_create(basename($path), $content, NULL, dirname($path)); return TRUE; } // -------------------------------------------------------------------- /** * Helper to get a VFS URL path * * @param string Path * @param string Optional base path * @return string Path URL */ public function ci_vfs_path($path, $base = '') { // Check for base path if ($base) { // Prepend to path $path = rtrim($base, '/').'/'.ltrim($path, '/'); // Is it already in URL form? if (strpos($path, '://') !== FALSE) { // Done - return path return $path; } } // Trim leading slash and return URL return vfsStream::url(ltrim($path, '/')); } // -------------------------------------------------------------------- // Internals // -------------------------------------------------------------------- /** * Overwrite runBare * * PHPUnit instantiates the test classes before * running them individually. So right before a test * runs we set our instance. Normally this step would * happen in setUp, but someone is bound to forget to * call the parent method and debugging this is no fun. */ public function runBare() { self::$ci_test_instance = $this; parent::runBare(); } // -------------------------------------------------------------------- public function helper($name) { require_once(SYSTEM_PATH.'helpers/'.$name.'_helper.php'); } // -------------------------------------------------------------------- public function lang($name) { require(SYSTEM_PATH.'language/english/'.$name.'_lang.php'); return $lang; } // -------------------------------------------------------------------- /** * This overload is useful to create a stub, that need to have a specific method. */ public function __call($method, $args) { if ($this->{$method} instanceof Closure) { return call_user_func_array($this->{$method},$args); } else { return parent::__call($method, $args); } } }