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684 lines
24 KiB
PHP
684 lines
24 KiB
PHP
<?php
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/**
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* Base include file for SimpleTest
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* @package SimpleTest
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* @subpackage UnitTester
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* @version $Id: test_case.php,v 1.35 2006/11/27 18:38:48 jsweat Exp $
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*/
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/**#@+
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* Includes SimpleTest files and defined the root constant
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* for dependent libraries.
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*/
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require_once(dirname(__FILE__) . '/invoker.php');
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require_once(dirname(__FILE__) . '/errors.php');
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require_once(dirname(__FILE__) . '/compatibility.php');
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require_once(dirname(__FILE__) . '/scorer.php');
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require_once(dirname(__FILE__) . '/expectation.php');
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require_once(dirname(__FILE__) . '/dumper.php');
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require_once(dirname(__FILE__) . '/simpletest.php');
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if (version_compare(phpversion(), '5') >= 0) {
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require_once(dirname(__FILE__) . '/exceptions.php');
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require_once(dirname(__FILE__) . '/reflection_php5.php');
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} else {
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require_once(dirname(__FILE__) . '/reflection_php4.php');
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}
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if (! defined('SIMPLE_TEST')) {
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/**
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* @ignore
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*/
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define('SIMPLE_TEST', dirname(__FILE__) . DIRECTORY_SEPARATOR);
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}
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/**#@-*/
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/**
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* Basic test case. This is the smallest unit of a test
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* suite. It searches for
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* all methods that start with the the string "test" and
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* runs them. Working test cases extend this class.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class SimpleTestCase {
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var $_label = false;
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var $_reporter;
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var $_observers;
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var $_should_skip = false;
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/**
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* Sets up the test with no display.
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* @param string $label If no test name is given then
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* the class name is used.
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* @access public
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*/
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function SimpleTestCase($label = false) {
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if ($label) {
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$this->_label = $label;
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}
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}
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/**
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* Accessor for the test name for subclasses.
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* @return string Name of the test.
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* @access public
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*/
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function getLabel() {
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return $this->_label ? $this->_label : get_class($this);
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}
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/**
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* This is a placeholder for skipping tests. In this
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* method you place skipIf() and skipUnless() calls to
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* set the skipping state.
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* @access public
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*/
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function skip() {
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}
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/**
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* Will issue a message to the reporter and tell the test
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* case to skip if the incoming flag is true.
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* @param string $should_skip Condition causing the tests to be skipped.
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* @param string $message Text of skip condition.
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* @access public
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*/
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function skipIf($should_skip, $message = '%s') {
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if ($should_skip && ! $this->_should_skip) {
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$this->_should_skip = true;
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$message = sprintf($message, 'Skipping [' . get_class($this) . ']');
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$this->_reporter->paintSkip($message . $this->getAssertionLine());
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}
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}
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/**
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* Will issue a message to the reporter and tell the test
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* case to skip if the incoming flag is false.
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* @param string $shouldnt_skip Condition causing the tests to be run.
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* @param string $message Text of skip condition.
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* @access public
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*/
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function skipUnless($shouldnt_skip, $message = false) {
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$this->skipIf(! $shouldnt_skip, $message);
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}
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/**
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* Used to invoke the single tests.
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* @return SimpleInvoker Individual test runner.
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* @access public
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*/
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function &createInvoker() {
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$invoker = &new SimpleErrorTrappingInvoker(new SimpleInvoker($this));
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if (version_compare(phpversion(), '5') >= 0) {
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$invoker = &new SimpleExceptionTrappingInvoker($invoker);
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}
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return $invoker;
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}
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/**
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* Uses reflection to run every method within itself
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* starting with the string "test" unless a method
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* is specified.
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* @param SimpleReporter $reporter Current test reporter.
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* @return boolean True if all tests passed.
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* @access public
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*/
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function run(&$reporter) {
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$context = &SimpleTest::getContext();
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$context->setTest($this);
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$context->setReporter($reporter);
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$this->_reporter = &$reporter;
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$reporter->paintCaseStart($this->getLabel());
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$this->skip();
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if (! $this->_should_skip) {
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foreach ($this->getTests() as $method) {
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if ($reporter->shouldInvoke($this->getLabel(), $method)) {
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$invoker = &$this->_reporter->createInvoker($this->createInvoker());
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$invoker->before($method);
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$invoker->invoke($method);
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$invoker->after($method);
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}
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}
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}
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$reporter->paintCaseEnd($this->getLabel());
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unset($this->_reporter);
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return $reporter->getStatus();
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}
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/**
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* Gets a list of test names. Normally that will
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* be all internal methods that start with the
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* name "test". This method should be overridden
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* if you want a different rule.
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* @return array List of test names.
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* @access public
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*/
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function getTests() {
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$methods = array();
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foreach (get_class_methods(get_class($this)) as $method) {
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if ($this->_isTest($method)) {
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$methods[] = $method;
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}
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}
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return $methods;
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}
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/**
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* Tests to see if the method is a test that should
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* be run. Currently any method that starts with 'test'
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* is a candidate unless it is the constructor.
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* @param string $method Method name to try.
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* @return boolean True if test method.
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* @access protected
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*/
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function _isTest($method) {
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if (strtolower(substr($method, 0, 4)) == 'test') {
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return ! SimpleTestCompatibility::isA($this, strtolower($method));
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}
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return false;
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}
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/**
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* Announces the start of the test.
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* @param string $method Test method just started.
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* @access public
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*/
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function before($method) {
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$this->_reporter->paintMethodStart($method);
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$this->_observers = array();
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}
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/**
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* Sets up unit test wide variables at the start
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* of each test method. To be overridden in
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* actual user test cases.
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* @access public
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*/
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function setUp() {
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}
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/**
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* Clears the data set in the setUp() method call.
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* To be overridden by the user in actual user test cases.
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* @access public
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*/
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function tearDown() {
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}
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/**
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* Announces the end of the test. Includes private clean up.
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* @param string $method Test method just finished.
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* @access public
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*/
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function after($method) {
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for ($i = 0; $i < count($this->_observers); $i++) {
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$this->_observers[$i]->atTestEnd($method, $this);
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}
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$this->_reporter->paintMethodEnd($method);
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}
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/**
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* Sets up an observer for the test end.
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* @param object $observer Must have atTestEnd()
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* method.
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* @access public
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*/
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function tell(&$observer) {
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$this->_observers[] = &$observer;
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}
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/**
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* @deprecated
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*/
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function pass($message = "Pass") {
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if (! isset($this->_reporter)) {
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trigger_error('Can only make assertions within test methods');
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}
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$this->_reporter->paintPass(
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$message . $this->getAssertionLine());
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return true;
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}
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/**
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* Sends a fail event with a message.
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* @param string $message Message to send.
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* @access public
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*/
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function fail($message = "Fail") {
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if (! isset($this->_reporter)) {
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trigger_error('Can only make assertions within test methods');
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}
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$this->_reporter->paintFail(
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$message . $this->getAssertionLine());
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return false;
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}
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/**
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* Formats a PHP error and dispatches it to the
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* reporter.
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* @param integer $severity PHP error code.
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* @param string $message Text of error.
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* @param string $file File error occoured in.
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* @param integer $line Line number of error.
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* @access public
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*/
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function error($severity, $message, $file, $line) {
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if (! isset($this->_reporter)) {
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trigger_error('Can only make assertions within test methods');
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}
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$this->_reporter->paintError(
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"Unexpected PHP error [$message] severity [$severity] in [$file line $line]");
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}
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/**
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* Formats an exception and dispatches it to the
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* reporter.
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* @param Exception $exception Object thrown.
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* @access public
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*/
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function exception($exception) {
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$this->_reporter->paintException($exception);
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}
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/**
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* @deprecated
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*/
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function signal($type, &$payload) {
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if (! isset($this->_reporter)) {
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trigger_error('Can only make assertions within test methods');
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}
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$this->_reporter->paintSignal($type, $payload);
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}
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/**
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* Runs an expectation directly, for extending the
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* tests with new expectation classes.
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* @param SimpleExpectation $expectation Expectation subclass.
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* @param mixed $compare Value to compare.
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* @param string $message Message to display.
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* @return boolean True on pass
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* @access public
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*/
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function assert(&$expectation, $compare, $message = '%s') {
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if ($expectation->test($compare)) {
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return $this->pass(sprintf(
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$message,
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$expectation->overlayMessage($compare, $this->_reporter->getDumper())));
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} else {
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return $this->fail(sprintf(
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$message,
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$expectation->overlayMessage($compare, $this->_reporter->getDumper())));
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}
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}
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/**
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* @deprecated
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*/
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function assertExpectation(&$expectation, $compare, $message = '%s') {
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return $this->assert($expectation, $compare, $message);
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}
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/**
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* Uses a stack trace to find the line of an assertion.
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* @return string Line number of first assert*
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* method embedded in format string.
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* @access public
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*/
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function getAssertionLine() {
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$trace = new SimpleStackTrace(array('assert', 'expect', 'pass', 'fail', 'skip'));
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return $trace->traceMethod();
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}
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/**
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* Sends a formatted dump of a variable to the
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* test suite for those emergency debugging
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* situations.
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* @param mixed $variable Variable to display.
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* @param string $message Message to display.
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* @return mixed The original variable.
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* @access public
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*/
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function dump($variable, $message = false) {
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$dumper = $this->_reporter->getDumper();
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$formatted = $dumper->dump($variable);
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if ($message) {
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$formatted = $message . "\n" . $formatted;
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}
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$this->_reporter->paintFormattedMessage($formatted);
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return $variable;
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}
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/**
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* @deprecated
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*/
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function sendMessage($message) {
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$this->_reporter->PaintMessage($message);
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}
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/**
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* Accessor for the number of subtests.
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* @return integer Number of test cases.
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* @access public
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* @static
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*/
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function getSize() {
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return 1;
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}
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}
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/**
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* This is a composite test class for combining
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* test cases and other RunnableTest classes into
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* a group test.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class TestSuite {
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var $_label;
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var $_test_cases;
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var $_old_track_errors;
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var $_xdebug_is_enabled;
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/**
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* Sets the name of the test suite.
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* @param string $label Name sent at the start and end
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* of the test.
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* @access public
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*/
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function TestSuite($label = false) {
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$this->_label = $label ? $label : get_class($this);
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$this->_test_cases = array();
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$this->_old_track_errors = ini_get('track_errors');
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$this->_xdebug_is_enabled = function_exists('xdebug_is_enabled') ?
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xdebug_is_enabled() : false;
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}
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/**
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* Accessor for the test name for subclasses.
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* @return string Name of the test.
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* @access public
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*/
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function getLabel() {
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return $this->_label;
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}
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/**
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* Adds a test into the suite. Can be either a group
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* test or some other unit test.
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* @param SimpleTestCase $test_case Suite or individual test
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* case implementing the
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* runnable test interface.
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* @access public
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*/
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function addTestCase(&$test_case) {
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$this->_test_cases[] = &$test_case;
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}
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/**
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* Adds a test into the suite by class name. The class will
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* be instantiated as needed.
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* @param SimpleTestCase $test_case Suite or individual test
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* case implementing the
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* runnable test interface.
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* @access public
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*/
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function addTestClass($class) {
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if ($this->_getBaseTestCase($class) == 'testsuite' || $this->_getBaseTestCase($class) == 'grouptest') {
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$this->_test_cases[] = &new $class();
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} else {
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$this->_test_cases[] = $class;
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}
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}
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/**
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* Builds a group test from a library of test cases.
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* The new group is composed into this one.
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* @param string $test_file File name of library with
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* test case classes.
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* @access public
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*/
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function addTestFile($test_file) {
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$existing_classes = get_declared_classes();
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if ($error = $this->_requireWithError($test_file)) {
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$this->addTestCase(new BadTestSuite($test_file, $error));
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return;
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}
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$classes = $this->_selectRunnableTests($existing_classes, get_declared_classes());
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if (count($classes) == 0) {
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$this->addTestCase(new BadTestSuite($test_file, "No runnable test cases in [$test_file]"));
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return;
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}
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$group = &$this->_createGroupFromClasses($test_file, $classes);
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$this->addTestCase($group);
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}
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/**
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* Requires a source file recording any syntax errors.
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* @param string $file File name to require in.
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* @return string/boolean An error message on failure or false
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* if no errors.
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* @access private
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*/
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function _requireWithError($file) {
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$this->_enableErrorReporting();
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include($file);
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$error = isset($php_errormsg) ? $php_errormsg : false;
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$this->_disableErrorReporting();
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$self_inflicted_errors = array(
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'/Assigning the return value of new by reference/i',
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'/var: Deprecated/i',
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'/Non-static method/i');
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foreach ($self_inflicted_errors as $pattern) {
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if (preg_match($pattern, $error)) {
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return false;
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}
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}
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return $error;
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}
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/**
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* Sets up detection of parse errors. Note that XDebug
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* interferes with this and has to be disabled. This is
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* to make sure the correct error code is returned
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* from unattended scripts.
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* @access private
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*/
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function _enableErrorReporting() {
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if ($this->_xdebug_is_enabled) {
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xdebug_disable();
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}
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ini_set('track_errors', true);
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}
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/**
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* Resets detection of parse errors to their old values.
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* This is to make sure the correct error code is returned
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* from unattended scripts.
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* @access private
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*/
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function _disableErrorReporting() {
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ini_set('track_errors', $this->_old_track_errors);
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if ($this->_xdebug_is_enabled) {
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xdebug_enable();
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}
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}
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/**
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* Calculates the incoming test cases from a before
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* and after list of loaded classes. Skips abstract
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* classes.
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* @param array $existing_classes Classes before require().
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* @param array $new_classes Classes after require().
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* @return array New classes which are test
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* cases that shouldn't be ignored.
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* @access private
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*/
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function _selectRunnableTests($existing_classes, $new_classes) {
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$classes = array();
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foreach ($new_classes as $class) {
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if (in_array($class, $existing_classes)) {
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continue;
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}
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if ($this->_getBaseTestCase($class)) {
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$reflection = new SimpleReflection($class);
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if ($reflection->isAbstract()) {
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SimpleTest::ignore($class);
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}
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$classes[] = $class;
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}
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}
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return $classes;
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}
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|
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/**
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* Builds a group test from a class list.
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* @param string $title Title of new group.
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* @param array $classes Test classes.
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* @return TestSuite Group loaded with the new
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* test cases.
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* @access private
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*/
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function &_createGroupFromClasses($title, $classes) {
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SimpleTest::ignoreParentsIfIgnored($classes);
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$group = &new TestSuite($title);
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foreach ($classes as $class) {
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if (! SimpleTest::isIgnored($class)) {
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$group->addTestClass($class);
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}
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}
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return $group;
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}
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|
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/**
|
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* Test to see if a class is derived from the
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* SimpleTestCase class.
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* @param string $class Class name.
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* @access private
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*/
|
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function _getBaseTestCase($class) {
|
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while ($class = get_parent_class($class)) {
|
|
$class = strtolower($class);
|
|
if ($class == 'simpletestcase' || $class == 'testsuite' || $class == 'grouptest') {
|
|
return $class;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Delegates to a visiting collector to add test
|
|
* files.
|
|
* @param string $path Path to scan from.
|
|
* @param SimpleCollector $collector Directory scanner.
|
|
* @access public
|
|
*/
|
|
function collect($path, &$collector) {
|
|
$collector->collect($this, $path);
|
|
}
|
|
|
|
/**
|
|
* Invokes run() on all of the held test cases, instantiating
|
|
* them if necessary.
|
|
* @param SimpleReporter $reporter Current test reporter.
|
|
* @access public
|
|
*/
|
|
function run(&$reporter) {
|
|
$reporter->paintGroupStart($this->getLabel(), $this->getSize());
|
|
for ($i = 0, $count = count($this->_test_cases); $i < $count; $i++) {
|
|
if (is_string($this->_test_cases[$i])) {
|
|
$class = $this->_test_cases[$i];
|
|
$test = &new $class();
|
|
$test->run($reporter);
|
|
unset($test);
|
|
} else {
|
|
$this->_test_cases[$i]->run($reporter);
|
|
}
|
|
}
|
|
$reporter->paintGroupEnd($this->getLabel());
|
|
return $reporter->getStatus();
|
|
}
|
|
|
|
/**
|
|
* Number of contained test cases.
|
|
* @return integer Total count of cases in the group.
|
|
* @access public
|
|
*/
|
|
function getSize() {
|
|
$count = 0;
|
|
foreach ($this->_test_cases as $case) {
|
|
if (is_string($case)) {
|
|
$count++;
|
|
} else {
|
|
$count += $case->getSize();
|
|
}
|
|
}
|
|
return $count;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @package SimpleTest
|
|
* @subpackage UnitTester
|
|
* @deprecated
|
|
*/
|
|
class GroupTest extends TestSuite { }
|
|
|
|
/**
|
|
* This is a failing group test for when a test suite hasn't
|
|
* loaded properly.
|
|
* @package SimpleTest
|
|
* @subpackage UnitTester
|
|
*/
|
|
class BadTestSuite {
|
|
var $_label;
|
|
var $_error;
|
|
|
|
/**
|
|
* Sets the name of the test suite and error message.
|
|
* @param string $label Name sent at the start and end
|
|
* of the test.
|
|
* @access public
|
|
*/
|
|
function BadTestSuite($label, $error) {
|
|
$this->_label = $label;
|
|
$this->_error = $error;
|
|
}
|
|
|
|
/**
|
|
* Accessor for the test name for subclasses.
|
|
* @return string Name of the test.
|
|
* @access public
|
|
*/
|
|
function getLabel() {
|
|
return $this->_label;
|
|
}
|
|
|
|
/**
|
|
* Sends a single error to the reporter.
|
|
* @param SimpleReporter $reporter Current test reporter.
|
|
* @access public
|
|
*/
|
|
function run(&$reporter) {
|
|
$reporter->paintGroupStart($this->getLabel(), $this->getSize());
|
|
$reporter->paintFail('Bad TestSuite [' . $this->getLabel() .
|
|
'] with error [' . $this->_error . ']');
|
|
$reporter->paintGroupEnd($this->getLabel());
|
|
return $reporter->getStatus();
|
|
}
|
|
|
|
/**
|
|
* Number of contained test cases. Always zero.
|
|
* @return integer Total count of cases in the group.
|
|
* @access public
|
|
*/
|
|
function getSize() {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @package SimpleTest
|
|
* @subpackage UnitTester
|
|
* @deprecated
|
|
*/
|
|
class BadGroupTest extends BadTestSuite { }
|
|
?>
|