804 lines
21 KiB
PHP
804 lines
21 KiB
PHP
<?php
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/**
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* A class to manage all aspects for Code Coverage Analysis
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*
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* This class
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) Tests <http://book.cakephp.org/view/1196/Testing>
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The Open Group Test Suite License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://book.cakephp.org/view/1196/Testing CakePHP(tm) Tests
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* @package cake
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* @subpackage cake.cake.tests.lib
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* @since CakePHP(tm) v 1.2.0.4433
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* @license http://www.opensource.org/licenses/opengroup.php The Open Group Test Suite License
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*/
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App::import('Core', 'Folder');
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/**
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* Short description for class.
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*
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* @package cake
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* @subpackage cake.cake.tests.lib
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*/
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class CodeCoverageManager {
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/**
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* Is this an app test case?
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*
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* @var string
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*/
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var $appTest = false;
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/**
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* Is this an app test case?
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*
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* @var string
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*/
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var $pluginTest = false;
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/**
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* Is this a grouptest?
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*
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* @var string
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* @access public
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*/
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var $groupTest = false;
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/**
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* The test case file to analyze
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*
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* @var string
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*/
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var $testCaseFile = '';
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/**
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* The currently used CakeTestReporter
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*
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* @var string
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*/
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var $reporter = '';
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/**
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* undocumented variable
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*
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* @var string
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*/
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var $numDiffContextLines = 7;
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/**
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* Returns a singleton instance
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*
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* @return object
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* @access public
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*/
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function &getInstance() {
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static $instance = array();
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if (!$instance) {
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$instance[0] =& new CodeCoverageManager();
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}
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return $instance[0];
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}
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/**
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* Initializes a new Coverage Analyzation for a given test case file
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*
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* @param string $testCaseFile The test case file being covered.
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* @param object $reporter Instance of the reporter running.
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* @return void
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* @static
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*/
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function init($testCaseFile, &$reporter) {
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$manager =& CodeCoverageManager::getInstance();
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$manager->reporter =& $reporter;
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$testCaseFile = str_replace(DS . DS, DS, $testCaseFile);
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$thisFile = str_replace('.php', '.test.php', basename(__FILE__));
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if (strpos($testCaseFile, $thisFile) !== false) {
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trigger_error(__('Xdebug supports no parallel coverage analysis - so this is not possible.', true), E_USER_ERROR);
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}
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$manager->setParams($reporter);
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$manager->testCaseFile = $testCaseFile;
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}
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/**
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* Start/resume Code coverage collection.
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*
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* @return void
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* @static
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*/
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function start() {
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xdebug_start_code_coverage(XDEBUG_CC_UNUSED | XDEBUG_CC_DEAD_CODE);
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}
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/**
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* Stops/pauses code coverage collection. Does not clean the
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* code coverage memory. Use clean() to clear code coverage memory
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*
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* @return void
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* @static
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*/
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function stop() {
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xdebug_stop_code_coverage(false);
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}
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/**
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* Clears the existing code coverage information. Also stops any
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* running collection.
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*
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* @return void
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* @static
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*/
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function clear() {
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xdebug_stop_code_coverage();
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}
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/**
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* Set the parameters from a reporter to the CodeCoverageManager
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*
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* @return void
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*/
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function setParams(&$reporter) {
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if ($reporter->params['app']) {
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$this->appTest = true;
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}
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if ($reporter->params['group']) {
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$this->groupTest = true;
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}
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if ($reporter->params['plugin']) {
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$this->pluginTest = Inflector::underscore($reporter->params['plugin']);
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}
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}
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/**
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* Stops the current code coverage analyzation and dumps a nice report
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* depending on the reporter that was passed to start()
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*
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* @return void
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* @static
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*/
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function report($output = true) {
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$manager =& CodeCoverageManager::getInstance();
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CodeCoverageManager::stop();
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CodeCoverageManager::clear();
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list($coverageData, $testObjectFile) = $manager->_getCoverageData();
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if (empty($coverageData) && $output) {
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echo "The test object file is never loaded.\n";
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}
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if (!$manager->groupTest) {
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$execCodeLines = $manager->__getExecutableLines(file_get_contents($testObjectFile));
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$result = '';
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switch (get_class($manager->reporter)) {
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case 'CakeHtmlReporter':
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$result = $manager->reportCaseHtmlDiff(@file($testObjectFile), $coverageData, $execCodeLines, $manager->numDiffContextLines);
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break;
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case 'CakeCliReporter':
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default:
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$result = $manager->reportCaseCli(@file($testObjectFile), $coverageData, $execCodeLines, $manager->numDiffContextLines);
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break;
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}
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} else {
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$execCodeLines = $manager->__getExecutableLines($testObjectFile);
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$result = '';
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switch (get_class($manager->reporter)) {
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case 'CakeHtmlReporter':
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$result = $manager->reportGroupHtml($testObjectFile, $coverageData, $execCodeLines, $manager->numDiffContextLines);
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break;
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case 'CakeCliReporter':
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default:
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$result = $manager->reportGroupCli($testObjectFile, $coverageData, $execCodeLines, $manager->numDiffContextLines);
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break;
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}
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}
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if ($output) {
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echo $result;
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}
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}
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/**
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* Gets the coverage data for the test case or group test that is being run.
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*
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* @return void
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*/
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function _getCoverageData() {
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$coverageData = array();
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$dump = xdebug_get_code_coverage();
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if ($this->groupTest) {
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$testObjectFile = $this->__testObjectFilesFromGroupFile($this->testCaseFile, $this->appTest);
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foreach ($testObjectFile as $file) {
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if (!file_exists($file)) {
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trigger_error(sprintf(__('This test object file is invalid: %s', true), $file));
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return ;
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}
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}
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foreach ($testObjectFile as $file) {
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if (isset($dump[$file])) {
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$coverageData[$file] = $dump[$file];
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}
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}
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} else {
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$testObjectFile = $this->__testObjectFileFromCaseFile($this->testCaseFile, $this->appTest);
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if (!file_exists($testObjectFile)) {
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trigger_error(sprintf(__('This test object file is invalid: %s', true), $testObjectFile));
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return ;
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}
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if (isset($dump[$testObjectFile])) {
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$coverageData = $dump[$testObjectFile];
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}
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}
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return array($coverageData, $testObjectFile);
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}
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/**
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* Diff reporting
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*
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* @param string $testObjectFile
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* @param string $coverageData
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* @param string $execCodeLines
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* @param string $output
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* @return void
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* @static
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*/
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function reportCaseHtmlDiff($testObjectFile, $coverageData, $execCodeLines, $numContextLines) {
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$manager = CodeCoverageManager::getInstance();
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$total = count($testObjectFile);
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$lines = array();
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for ($i = 1; $i < $total + 1; $i++) {
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$foundByManualFinder = isset($execCodeLines[$i]) && trim($execCodeLines[$i]) != '';
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$foundByXdebug = isset($coverageData[$i]);
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if (!$foundByManualFinder || !$foundByXdebug || $coverageData[$i] === -2) {
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if (isset($lines[$i])) {
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$lines[$i] = 'ignored ' . $lines[$i];
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} else {
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$lines[$i] = 'ignored';
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}
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continue;
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}
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if ($coverageData[$i] !== -1) {
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if (isset($lines[$i])) {
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$lines[$i] = 'covered ' . $lines[$i];
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} else {
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$lines[$i] = 'covered';
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}
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continue;
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}
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$lines[$i] = 'uncovered show';
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$foundEndBlockInContextSearch = false;
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for ($j = 1; $j <= $numContextLines; $j++) {
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$key = $i - $j;
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if ($key > 0 && isset($lines[$key])) {
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if (strpos($lines[$key], 'end') !== false) {
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$foundEndBlockInContextSearch = true;
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if ($j < $numContextLines) {
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$lines[$key] = str_replace('end', '', $lines[$key-1]);
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}
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}
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if (strpos($lines[$key], 'uncovered') === false) {
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if (strpos($lines[$key], 'covered') !== false) {
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$lines[$key] .= ' show';
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} else {
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$lines[$key] = 'ignored show';
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}
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}
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if ($j == $numContextLines) {
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$lineBeforeIsEndBlock = strpos($lines[$key-1], 'end') !== false;
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$lineBeforeIsShown = strpos($lines[$key-1], 'show') !== false;
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$lineBeforeIsUncovered = strpos($lines[$key-1], 'uncovered') !== false;
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if (!$foundEndBlockInContextSearch && !$lineBeforeIsUncovered && ($lineBeforeIsEndBlock)) {
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$lines[$key-1] = str_replace('end', '', $lines[$key-1]);
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}
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if (!$lineBeforeIsShown && !$lineBeforeIsUncovered) {
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$lines[$key] .= ' start';
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}
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}
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}
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$key = $i + $j;
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if ($key < $total) {
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$lines[$key] = 'show';
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if ($j == $numContextLines) {
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$lines[$key] .= ' end';
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}
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}
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}
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}
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// find the last "uncovered" or "show"n line and "end" its block
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$lastShownLine = $manager->__array_strpos($lines, 'show', true);
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if (isset($lines[$lastShownLine])) {
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$lines[$lastShownLine] .= ' end';
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}
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// give the first start line another class so we can control the top padding of the entire results
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$firstShownLine = $manager->__array_strpos($lines, 'show');
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if (isset($lines[$firstShownLine])) {
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$lines[$firstShownLine] .= ' realstart';
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}
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// get the output
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$lineCount = $coveredCount = 0;
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$report = '';
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foreach ($testObjectFile as $num => $line) {
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// start line count at 1
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$num++;
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$class = $lines[$num];
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if (strpos($class, 'ignored') === false) {
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$lineCount++;
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if (strpos($class, 'covered') !== false && strpos($class, 'uncovered') === false) {
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$coveredCount++;
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}
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}
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if (strpos($class, 'show') !== false) {
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$report .= $manager->__paintCodeline($class, $num, $line);
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}
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}
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return $manager->__paintHeader($lineCount, $coveredCount, $report);
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}
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/**
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* CLI reporting
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*
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* @param string $testObjectFile
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* @param string $coverageData
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* @param string $execCodeLines
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* @param string $output
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* @return void
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* @static
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*/
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function reportCaseCli($testObjectFile, $coverageData, $execCodeLines) {
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$manager = CodeCoverageManager::getInstance();
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$lineCount = $coveredCount = 0;
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$report = '';
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foreach ($testObjectFile as $num => $line) {
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$num++;
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$foundByManualFinder = isset($execCodeLines[$num]) && trim($execCodeLines[$num]) != '';
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$foundByXdebug = isset($coverageData[$num]) && $coverageData[$num] !== -2;
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if ($foundByManualFinder && $foundByXdebug) {
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$lineCount++;
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if ($coverageData[$num] > 0) {
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$coveredCount++;
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}
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}
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}
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return $manager->__paintHeaderCli($lineCount, $coveredCount, $report);
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}
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/**
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* Diff reporting
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*
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* @param string $testObjectFile
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* @param string $coverageData
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* @param string $execCodeLines
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* @param string $output
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* @return void
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* @static
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*/
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function reportGroupHtml($testObjectFiles, $coverageData, $execCodeLines, $numContextLines) {
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$manager = CodeCoverageManager::getInstance();
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$report = '';
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foreach ($testObjectFiles as $testObjectFile) {
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$lineCount = $coveredCount = 0;
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$objFilename = $testObjectFile;
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$testObjectFile = file($testObjectFile);
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foreach ($testObjectFile as $num => $line) {
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$num++;
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$foundByManualFinder = isset($execCodeLines[$objFilename][$num]) && trim($execCodeLines[$objFilename][$num]) != '';
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$foundByXdebug = isset($coverageData[$objFilename][$num]) && $coverageData[$objFilename][$num] !== -2;
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if ($foundByManualFinder && $foundByXdebug) {
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$class = 'uncovered';
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$lineCount++;
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if ($coverageData[$objFilename][$num] > 0) {
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$class = 'covered';
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$coveredCount++;
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}
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} else {
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$class = 'ignored';
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}
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}
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$report .= $manager->__paintGroupResultLine($objFilename, $lineCount, $coveredCount);
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}
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return $manager->__paintGroupResultHeader($report);
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}
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/**
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* CLI reporting
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*
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* @param string $testObjectFile
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* @param string $coverageData
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* @param string $execCodeLines
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* @param string $output
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* @return void
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* @static
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*/
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function reportGroupCli($testObjectFiles, $coverageData, $execCodeLines) {
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$manager = CodeCoverageManager::getInstance();
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$report = '';
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foreach ($testObjectFiles as $testObjectFile) {
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$lineCount = $coveredCount = 0;
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$objFilename = $testObjectFile;
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$testObjectFile = file($testObjectFile);
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foreach ($testObjectFile as $num => $line) {
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$num++;
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$foundByManualFinder = isset($execCodeLines[$objFilename][$num]) && trim($execCodeLines[$objFilename][$num]) != '';
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$foundByXdebug = isset($coverageData[$objFilename][$num]) && $coverageData[$objFilename][$num] !== -2;
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if ($foundByManualFinder && $foundByXdebug) {
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$lineCount++;
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if ($coverageData[$objFilename][$num] > 0) {
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$coveredCount++;
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}
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}
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}
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$report .= $manager->__paintGroupResultLineCli($objFilename, $lineCount, $coveredCount);
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}
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return $report;
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}
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/**
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* Returns the name of the test object file based on a given test case file name
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*
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* @param string $file
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* @param string $isApp
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* @return string name of the test object file
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* @access private
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*/
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function __testObjectFileFromCaseFile($file, $isApp = true) {
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$manager = CodeCoverageManager::getInstance();
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$path = $manager->__getTestFilesPath($isApp);
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$folderPrefixMap = array(
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'behaviors' => 'models',
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'components' => 'controllers',
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'helpers' => 'views'
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);
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foreach ($folderPrefixMap as $dir => $prefix) {
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if (strpos($file, $dir) === 0) {
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$path .= $prefix . DS;
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break;
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}
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}
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$testManager =& new TestManager();
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$testFile = str_replace(array('/', $testManager->_testExtension), array(DS, '.php'), $file);
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$folder =& new Folder();
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$folder->cd(ROOT . DS . CAKE_TESTS_LIB);
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$contents = $folder->read();
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if (in_array(basename($testFile), $contents[1])) {
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$testFile = basename($testFile);
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$path = ROOT . DS . CAKE_TESTS_LIB;
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}
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$path .= $testFile;
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$realpath = realpath($path);
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if ($realpath) {
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return $realpath;
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}
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return $path;
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}
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/**
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* Returns an array of names of the test object files based on a given test group file name
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*
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* @param array $files
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* @param string $isApp
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* @return array names of the test object files
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* @access private
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*/
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function __testObjectFilesFromGroupFile($groupFile, $isApp = true) {
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$manager = CodeCoverageManager::getInstance();
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$testManager =& new TestManager();
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$path = TESTS;
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if (!$isApp) {
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$path = ROOT . DS . 'cake' . DS . 'tests';
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}
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if (!!$manager->pluginTest) {
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$path = App::pluginPath($manager->pluginTest) . DS . 'tests';
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}
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$result = array();
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if ($groupFile == 'all') {
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$files = array_keys($testManager->getTestCaseList());
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foreach ($files as $file) {
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$file = str_replace(DS . 'tests' . DS . 'cases' . DS, DS, $file);
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$file = str_replace('.test.php', '.php', $file);
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$file = str_replace(DS . DS, DS, $file);
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$result[] = $file;
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}
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} else {
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$path .= DS . 'groups' . DS . $groupFile . $testManager->_groupExtension;
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if (!file_exists($path)) {
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trigger_error(__('This group file does not exist!', true));
|
|
return array();
|
|
}
|
|
|
|
$result = array();
|
|
$groupContent = file_get_contents($path);
|
|
$ds = '\s*\.\s*DS\s*\.\s*';
|
|
$pluginTest = 'APP\.\'plugins\'' . $ds . '\'' . $manager->pluginTest . '\'' . $ds . '\'tests\'' . $ds . '\'cases\'';
|
|
$pluginTest .= '|App::pluginPath\(\'' . $manager->pluginTest . '\'\)' . $ds . '\'tests\'' . $ds . '\'cases\'';
|
|
$pattern = '/\s*TestManager::addTestFile\(\s*\$this,\s*(' . $pluginTest . '|APP_TEST_CASES|CORE_TEST_CASES)' . $ds . '(.*?)\)/i';
|
|
preg_match_all($pattern, $groupContent, $matches);
|
|
|
|
foreach ($matches[2] as $file) {
|
|
$patterns = array(
|
|
'/\s*\.\s*DS\s*\.\s*/',
|
|
'/\s*APP_TEST_CASES\s*/',
|
|
'/\s*CORE_TEST_CASES\s*/',
|
|
);
|
|
|
|
$replacements = array(DS, '', '');
|
|
$file = preg_replace($patterns, $replacements, $file);
|
|
$file = str_replace("'", '', $file);
|
|
$result[] = $manager->__testObjectFileFromCaseFile($file, $isApp) . '.php';
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Parses a given code string into an array of lines and replaces some non-executable code lines with the needed
|
|
* amount of new lines in order for the code line numbers to stay in sync
|
|
*
|
|
* @param string $content
|
|
* @return array array of lines
|
|
* @access private
|
|
*/
|
|
function __getExecutableLines($content) {
|
|
if (is_array($content)) {
|
|
$manager =& CodeCoverageManager::getInstance();
|
|
$result = array();
|
|
foreach ($content as $file) {
|
|
$result[$file] = $manager->__getExecutableLines(file_get_contents($file));
|
|
}
|
|
return $result;
|
|
}
|
|
$content = h($content);
|
|
// arrays are 0-indexed, but we want 1-indexed stuff now as we are talking code lines mind you (**)
|
|
$content = "\n" . $content;
|
|
// // strip unwanted lines
|
|
$content = preg_replace_callback("/(@codeCoverageIgnoreStart.*?@codeCoverageIgnoreEnd)/is", array('CodeCoverageManager', '__replaceWithNewlines'), $content);
|
|
// strip php | ?\> tag only lines
|
|
$content = preg_replace('/[ |\t]*[<\?php|\?>]+[ |\t]*/', '', $content);
|
|
|
|
// strip lines that contain only braces and parenthesis
|
|
$content = preg_replace('/[ |\t]*[{|}|\(|\)]+[ |\t]*/', '', $content);
|
|
$result = explode("\n", $content);
|
|
// unset the zero line again to get the original line numbers, but starting at 1, see (**)
|
|
unset($result[0]);
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Replaces a given arg with the number of newlines in it
|
|
*
|
|
* @return string the number of newlines in a given arg
|
|
* @access private
|
|
*/
|
|
function __replaceWithNewlines() {
|
|
$args = func_get_args();
|
|
$numLineBreaks = count(explode("\n", $args[0][0]));
|
|
return str_pad('', $numLineBreaks - 1, "\n");
|
|
}
|
|
|
|
/**
|
|
* Paints the headline for code coverage analysis
|
|
*
|
|
* @param string $codeCoverage
|
|
* @param string $report
|
|
* @return void
|
|
* @access private
|
|
*/
|
|
function __paintHeader($lineCount, $coveredCount, $report) {
|
|
$manager =& CodeCoverageManager::getInstance();
|
|
$codeCoverage = $manager->__calcCoverage($lineCount, $coveredCount);
|
|
return $report = '<h2>Code Coverage: ' . $codeCoverage . '%</h2>
|
|
<div class="code-coverage-results"><pre>' . $report . '</pre></div>';
|
|
}
|
|
|
|
/**
|
|
* Displays a notification concerning group test results
|
|
*
|
|
* @return void
|
|
* @access public
|
|
*/
|
|
function __paintGroupResultHeader($report) {
|
|
return '<div class="code-coverage-results"><p class="note">Please keep in mind that the coverage can vary a little bit depending on how much the different tests in the group interfere. If for example, TEST A calls a line from TEST OBJECT B, the coverage for TEST OBJECT B will be a little greater than if you were running the corresponding test case for TEST OBJECT B alone.</p><pre>' . $report . '</pre></div>';
|
|
}
|
|
|
|
/**
|
|
* Paints the headline for code coverage analysis
|
|
*
|
|
* @param string $codeCoverage
|
|
* @param string $report
|
|
* @return void
|
|
* @access private
|
|
*/
|
|
function __paintGroupResultLine($file, $lineCount, $coveredCount) {
|
|
$manager =& CodeCoverageManager::getInstance();
|
|
$codeCoverage = $manager->__calcCoverage($lineCount, $coveredCount);
|
|
$class = 'result-bad';
|
|
|
|
if ($codeCoverage > 50) {
|
|
$class = 'result-ok';
|
|
}
|
|
if ($codeCoverage > 80) {
|
|
$class = 'result-good';
|
|
}
|
|
return '<p>Code Coverage for ' . $file . ': <span class="' . $class . '">' . $codeCoverage . '%</span></p>';
|
|
}
|
|
|
|
/**
|
|
* Paints the headline for code coverage analysis
|
|
*
|
|
* @param string $codeCoverage
|
|
* @param string $report
|
|
* @return void
|
|
* @access private
|
|
*/
|
|
function __paintGroupResultLineCli($file, $lineCount, $coveredCount) {
|
|
$manager =& CodeCoverageManager::getInstance();
|
|
$codeCoverage = $manager->__calcCoverage($lineCount, $coveredCount);
|
|
$class = 'bad';
|
|
if ($codeCoverage > 50) {
|
|
$class = 'ok';
|
|
}
|
|
if ($codeCoverage > 80) {
|
|
$class = 'good';
|
|
}
|
|
return "\n" . 'Code Coverage for ' . $file . ': ' . $codeCoverage . '% (' . $class . ')' . "\n";
|
|
}
|
|
|
|
/**
|
|
* Paints the headline for code coverage analysis in the CLI
|
|
*
|
|
* @param string $codeCoverage
|
|
* @param string $report
|
|
* @return void
|
|
* @access private
|
|
*/
|
|
function __paintHeaderCli($lineCount, $coveredCount, $report) {
|
|
$manager =& CodeCoverageManager::getInstance();
|
|
$codeCoverage = $manager->__calcCoverage($lineCount, $coveredCount);
|
|
$class = 'bad';
|
|
if ($codeCoverage > 50) {
|
|
$class = 'ok';
|
|
}
|
|
if ($codeCoverage > 80) {
|
|
$class = 'good';
|
|
}
|
|
return $report = "Code Coverage: $codeCoverage% ($class)\n";
|
|
}
|
|
|
|
/**
|
|
* Paints a code line for html output
|
|
*
|
|
* @package default
|
|
* @access private
|
|
*/
|
|
function __paintCodeline($class, $num, $line) {
|
|
$line = h($line);
|
|
|
|
if (trim($line) == '') {
|
|
$line = ' '; // Win IE fix
|
|
}
|
|
return '<div class="code-line ' . trim($class) . '"><span class="line-num">' . $num . '</span><span class="content">' . $line . '</span></div>';
|
|
}
|
|
|
|
/**
|
|
* Calculates the coverage percentage based on a line count and a covered line count
|
|
*
|
|
* @param string $lineCount
|
|
* @param string $coveredCount
|
|
* @return void
|
|
* @access private
|
|
*/
|
|
function __calcCoverage($lineCount, $coveredCount) {
|
|
if ($coveredCount > $lineCount) {
|
|
trigger_error(__('Sorry, you cannot have more covered lines than total lines!', true));
|
|
}
|
|
return ($lineCount != 0)
|
|
? round(100 * $coveredCount / $lineCount, 2)
|
|
: '0.00';
|
|
}
|
|
|
|
/**
|
|
* Gets us the base path to look for the test files
|
|
*
|
|
* @param string $isApp
|
|
* @return void
|
|
* @access public
|
|
*/
|
|
function __getTestFilesPath($isApp = true) {
|
|
$manager = CodeCoverageManager::getInstance();
|
|
$path = ROOT . DS;
|
|
|
|
if ($isApp) {
|
|
$path .= APP_DIR . DS;
|
|
} elseif (!!$manager->pluginTest) {
|
|
$pluginPath = APP . 'plugins' . DS . $manager->pluginTest . DS;
|
|
|
|
$pluginPaths = App::path('plugins');
|
|
foreach ($pluginPaths as $tmpPath) {
|
|
$tmpPath = $tmpPath . $manager->pluginTest . DS;
|
|
if (file_exists($tmpPath)) {
|
|
$pluginPath = $tmpPath;
|
|
break;
|
|
}
|
|
}
|
|
|
|
$path = $pluginPath;
|
|
} else {
|
|
$path = TEST_CAKE_CORE_INCLUDE_PATH;
|
|
}
|
|
|
|
return $path;
|
|
}
|
|
|
|
/**
|
|
* Finds the last element of an array that contains $needle in a strpos computation
|
|
*
|
|
* @param array $arr
|
|
* @param string $needle
|
|
* @return void
|
|
* @access private
|
|
*/
|
|
function __array_strpos($arr, $needle, $reverse = false) {
|
|
if (!is_array($arr) || empty($arr)) {
|
|
return false;
|
|
}
|
|
|
|
if ($reverse) {
|
|
$arr = array_reverse($arr, true);
|
|
}
|
|
|
|
foreach ($arr as $key => $val) {
|
|
if (strpos($val, $needle) !== false) {
|
|
return $key;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|