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407 lines
13 KiB
PHP
407 lines
13 KiB
PHP
<?php
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//
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// +------------------------------------------------------------------------+
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// | PEAR :: PHPUnit |
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// +------------------------------------------------------------------------+
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// | Copyright (c) 2002-2004 Sebastian Bergmann <sb@sebastian-bergmann.de>. |
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// +------------------------------------------------------------------------+
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// | This source file is subject to version 3.00 of the PHP License, |
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// | that is available at http://www.php.net/license/3_0.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +------------------------------------------------------------------------+
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//
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// $Id: Skeleton.php,v 1.6 2004/12/22 08:06:11 sebastian Exp $
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//
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/**
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* Class for creating a PHPUnit_TestCase skeleton file.
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*
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* This class will take a classname as a parameter on construction and will
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* create a PHP file that contains the skeleton of a PHPUnit_TestCase
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* subclass. The test case will contain a test foreach method of the class.
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* Methods of the parent class will, by default, be excluded from the test
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* class. Passing and optional construction parameter will include them.
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*
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* Example
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*
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* <?php
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* require_once 'PHPUnit/Skeleton.php';
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* $ps = new PHPUnit_Skeleton('PHPUnit_Skeleton', 'PHPUnit/Skeleton.php');
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*
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* // Generate the test class.
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* // Default settings will not include any parent class methods, but
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* // will include private methods.
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* $ps->createTestClass();
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*
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* // Write the new test class to file.
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* // By default, code to run the test will be included.
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* $ps->writeTestClass();
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* ?>
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*
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* Now open the skeleton class and fill in the details.
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* If you run the test as is, all tests will fail and
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* you will see plenty of undefined constant errors.
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*
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* @author Scott Mattocks <scott@crisscott.com>
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* @copyright Copyright © 2002-2005 Sebastian Bergmann <sb@sebastian-bergmann.de>
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* @license http://www.php.net/license/3_0.txt The PHP License, Version 3.0
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* @category Testing
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* @package PHPUnit
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*/
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class PHPUnit_Skeleton {
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/**
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* Path to the class file to create a skeleton for.
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* @var string
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*/
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var $classPath;
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/**
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* The name of the class
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* @var string
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*/
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var $className;
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/**
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* Path to the configuration file needed by class to test.
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* @var string
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*/
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var $configFile;
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/**
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* Whether or not to include the methods of the parent class when testing.
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* @var boolean
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*/
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var $includeParents;
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/**
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* Whether or not to test private methods.
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* @var boolean
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*/
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var $includePrivate;
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/**
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* The test class that will be created.
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* @var string
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*/
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var $testClass;
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/**
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* Constructor. Sets the class members and check that the class
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* to test is accessible.
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*
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* @access public
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* @param string $className
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* @param string $classPath
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* @param boolean $includeParents Wheter to include the parent's methods in the test.
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* @return void
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*/
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function PHPUnit_Skeleton($className, $classPath, $includeParents = FALSE, $includePrivate = TRUE) {
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// Set up the members.
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if (@is_readable($classPath)) {
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$this->className = $className;
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$this->classPath = $classPath;
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} else {
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$this->_handleErrors($classPath . ' is not readable. Cannot create test class.');
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}
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// Do we want to include parent methods?
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$this->includeParents = $includeParents;
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// Do we want to allow private methods?
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$this->includePrivate = $includePrivate;
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}
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/**
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* The class to test may require a special config file before it can be
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* instantiated. This method lets you set that file.
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*
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* @access public
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* @param string $configPath
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* @return void
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*/
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function setConfigFile($configFile) {
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// Check that the file is readable
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if (@is_readable($configFile)) {
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$this->configFile = $configFile;
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} else {
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$this->_handleErrors($configFile . ' is not readable. Cannot create test class.');
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}
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}
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/**
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* Create the code that will be the skeleton of the test case.
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*
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* The test case must have a clss definition, one var, a constructor
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* setUp, tearDown, and methods. Optionally and by default the code
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* to run the test is added when the class is written to file.
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*
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* @access public
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* @param none
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* @return void
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*/
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function createTestClass() {
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// Instantiate the object.
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if (isset($this->configFile)) {
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require_once $this->configFile;
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}
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require_once $this->classPath;
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// Get the methods.
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$classMethods = get_class_methods($this->className);
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// Remove the parent methods if needed.
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if (!$this->includeParents) {
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$parentMethods = get_class_methods(get_parent_class($this->className));
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if (count($parentMethods)) {
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$classMethods = array_diff($classMethods, $parentMethods);
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}
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}
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// Create the class definition, constructor, setUp and tearDown.
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$this->_createDefinition();
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$this->_createConstructor();
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$this->_createSetUpTearDown();
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if (count($classMethods)) {
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// Foreach method create a test case.
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foreach ($classMethods as $method) {
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// Unless it is the constructor.
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if (strcasecmp($this->className, $method) !== 0) {
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// Check for private methods.
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if (!$this->includePrivate && strpos($method, '_') === 0) {
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continue;
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} else {
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$this->_createMethod($method);
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}
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}
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}
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}
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// Finis off the class.
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$this->_finishClass();
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}
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/**
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* Create the class definition.
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*
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* The definition consist of a header comment, require statment
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* for getting the PHPUnit file, the actual class definition,
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* and the definition of the class member variable.
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*
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* All of the code needed for the new class is stored in the
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* testClass member.
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*
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* @access private
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* @param none
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* @return void
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*/
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function _createDefinition() {
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// Create header comment.
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$this->testClass =
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"/**\n" .
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" * PHPUnit test case for " . $this->className . "\n" .
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" * \n" .
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" * The method skeletons below need to be filled in with \n" .
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" * real data so that the tests will run correctly. Replace \n" .
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" * all EXPECTED_VAL and PARAM strings with real data. \n" .
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" * \n" .
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" * Created with PHPUnit_Skeleton on " . date('Y-m-d') . "\n" .
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" */\n";
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// Add the require statements.
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$this->testClass .= "require_once 'PHPUnit.php';\n";
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// Add the class definition and variable definition.
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$this->testClass .=
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"class " . $this->className . "Test extends PHPUnit_TestCase {\n\n" .
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" var \$" . $this->className . ";\n\n";
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}
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/**
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* Create the class constructor. (PHP4 style)
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*
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* The constructor simply calls the PHPUnit_TestCase method.
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* This code is taken from the PHPUnit documentation.
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*
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* All of the code needed for the new class is stored in the
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* testClass member.
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*
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* @access private
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* @param none
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* @return void
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*/
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function _createConstructor() {
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// Create the test class constructor.
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$this->testClass.=
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" function " . $this->className . "Test(\$name)\n" .
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" {\n" .
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" \$this->PHPUnit_TestCase(\$name);\n" .
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" }\n\n";
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}
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/**
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* Create setUp and tearDown methods.
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*
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* The setUp method creates the instance of the object to test.
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* The tearDown method releases the instance.
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* This code is taken from the PHPUnit documentation.
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*
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* All of the code needed for the new class is stored in the
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* testClass member.
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*
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* @access private
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* @param none
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* @return void
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*/
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function _createSetUpTearDown() {
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// Create the setUp method.
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$this->testClass .=
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" function setUp()\n" .
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" {\n";
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if (isset($this->configFile)) {
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$this->testClass .=
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" require_once '" . $this->configFile . "';\n";
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}
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$this->testClass .=
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" require_once '" . $this->classPath . "';\n" .
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" \$this->" . $this->className . " =& new " . $this->className . "(PARAM);\n" .
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" }\n\n";
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// Create the tearDown method.
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$this->testClass .=
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" function tearDown()\n" .
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" {\n" .
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" unset(\$this->" . $this->className . ");\n" .
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" }\n\n";
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}
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/**
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* Create a basic skeleton for test methods.
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*
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* This code is taken from the PHPUnit documentation.
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*
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* All of the code needed for the new class is stored in the
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* testClass member.
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*
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* @access private
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* @param none
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* @return void
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*/
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function _createMethod($methodName) {
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// Create a test method.
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$this->testClass .=
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" function test" . $methodName . "()\n" .
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" {\n" .
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" \$result = \$this->" . $this->className . "->" . $methodName . "(PARAM);\n" .
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" \$expected = EXPECTED_VAL;\n" .
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" \$this->assertEquals(\$expected, \$result);\n" .
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" }\n\n";
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}
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/**
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* Add the closing brace needed for a proper class definition.
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*
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* All of the code needed for the new class is stored in the
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* testClass member.
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*
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* @access private
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* @param none
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* @return void
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*/
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function _finishClass() {
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// Close off the class.
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$this->testClass.= "}\n";
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}
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/**
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* Create the code that will actually run the test.
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*
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* This code is added by default so that the test can be run
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* just by running the file. To have it not added pass false
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* as the second parameter to the writeTestClass method.
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* This code is taken from the PHPUnit documentation.
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*
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* All of the code needed for the new class is stored in the
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* testClass member.
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*
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* @access private
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* @param none
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* @return void
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*/
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function _createTest() {
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// Create a call to the test.
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$test =
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"// Running the test.\n" .
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"\$suite = new PHPUnit_TestSuite('" . $this->className . "Test');\n" .
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"\$result = PHPUnit::run(\$suite);\n" .
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"echo \$result->toString();\n";
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return $test;
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}
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/**
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* Write the test class to file.
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*
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* This will write the test class created using the createTestClass
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* method to a file called <className>Test.php. By default the file
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* is written to the current directory and will have code to run
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* the test appended to the bottom of the file.
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*
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* @access public
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* @param string $destination The directory to write the file to.
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* @param boolean $addTest Wheter to add the test running code.
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* @return void
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*/
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function writeTestClass($destination = './', $addTest = TRUE) {
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// Check for something to write to file.
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if (!isset($this->testClass)) {
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$this->_handleErrors('Noting to write.', PHPUS_WARNING);
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return;
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}
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// Open the destination file.
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$fp = fopen($destination . $this->className . 'Test.php', 'w');
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fwrite($fp, "<?php\n");
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// Write the test class.
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fwrite($fp, $this->testClass);
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// Add the call to test the class in the file if we were asked to.
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if ($addTest) {
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fwrite($fp, $this->_createTest());
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}
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// Close the file.
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fwrite($fp, "?>\n");
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fclose($fp);
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}
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/**
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* Error handler.
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*
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* This method should be rewritten to use the prefered error
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* handling method. (PEAR_ErrorStack)
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*
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* @access private
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* @param string $message The error message.
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* @param integer $type An indication of the severity of the error.
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* @return void Code may cause PHP to exit.
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*/
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function _handleErrors($message, $type = E_USER_ERROR) {
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// For now just echo the message.
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echo $message;
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// Check to see if we should quit.
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if ($type == E_USER_ERROR) {
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exit;
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}
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}
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}
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?>
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