209 lines
6.1 KiB
PHP
209 lines
6.1 KiB
PHP
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<?php
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/**
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* Generates code coverage reports in HTML from data obtained from PHPUnit
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*
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* PHP5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package Cake.TestSuite.Coverage
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* @since CakePHP(tm) v 2.0
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* @license http://www.opensource.org/licenses/mit-license.php MIT License
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*/
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App::uses('BaseCoverageReport', 'TestSuite/Coverage');
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/**
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* Generates code coverage reports in HTML from data obtained from PHPUnit
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*
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* @package Cake.TestSuite.Coverage
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*/
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class HtmlCoverageReport extends BaseCoverageReport {
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/**
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* Generates report html to display.
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*
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* @return string compiled html report.
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*/
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public function report() {
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$pathFilter = $this->getPathFilter();
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$coverageData = $this->filterCoverageDataByPath($pathFilter);
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if (empty($coverageData)) {
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return '<h3>No files to generate coverage for</h3>';
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}
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$output = $this->coverageScript();
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$output .= <<<HTML
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<h3>Code coverage results
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<a href="#" onclick="coverage_toggle_all()" class="coverage-toggle">Toggle all files</a>
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</h3>
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HTML;
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foreach ($coverageData as $file => $coverageData) {
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$fileData = file($file);
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$output .= $this->generateDiff($file, $fileData, $coverageData);
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}
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return $output;
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}
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/**
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* Generates an HTML diff for $file based on $coverageData.
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*
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* Handles both PHPUnit3.5 and 3.6 formats.
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*
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* 3.5 uses -1 for uncovered, and -2 for dead.
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* 3.6 uses array() for uncovered and null for dead.
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*
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* @param string $filename Name of the file having coverage generated
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* @param array $fileLines File data as an array. See file() for how to get one of these.
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* @param array $coverageData Array of coverage data to use to generate HTML diffs with
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* @return string HTML diff.
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*/
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public function generateDiff($filename, $fileLines, $coverageData) {
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$output = '';
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$diff = array();
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list($covered, $total) = $this->_calculateCoveredLines($fileLines, $coverageData);
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//shift line numbers forward one;
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array_unshift($fileLines, ' ');
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unset($fileLines[0]);
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foreach ($fileLines as $lineno => $line) {
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$class = 'ignored';
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$coveringTests = array();
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if (!empty($coverageData[$lineno]) && is_array($coverageData[$lineno])) {
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$coveringTests = array();
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foreach ($coverageData[$lineno] as $test) {
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$class = (is_array($test) && isset($test['id'])) ? $test['id'] : $test;
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$testReflection = new ReflectionClass(current(explode('::', $class)));
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$this->_testNames[] = $this->_guessSubjectName($testReflection);
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$coveringTests[] = $class;
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}
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$class = 'covered';
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} elseif (isset($coverageData[$lineno]) && ($coverageData[$lineno] === -1 || $coverageData[$lineno] === array())) {
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$class = 'uncovered';
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} elseif (array_key_exists($lineno, $coverageData) && ($coverageData[$lineno] === -2 || $coverageData[$lineno] === null)) {
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$class .= ' dead';
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}
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$diff[] = $this->_paintLine($line, $lineno, $class, $coveringTests);
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}
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$percentCovered = 100;
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if ($total > 0) {
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$percentCovered = round(100 * $covered / $total, 2);
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}
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$output .= $this->coverageHeader($filename, $percentCovered);
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$output .= implode("", $diff);
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$output .= $this->coverageFooter();
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return $output;
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}
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/**
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* Guess the class name the test was for based on the test case filename.
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*
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* @param ReflectionClass $testReflection.
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* @return string Possible test subject name.
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*/
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protected function _guessSubjectName($testReflection) {
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$basename = basename($testReflection->getFilename());
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if (strpos($basename, '.test') !== false) {
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list($subject, ) = explode('.', $basename, 2);
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return $subject;
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}
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$subject = str_replace('Test.php', '', $basename);
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return $subject;
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}
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/**
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* Renders the html for a single line in the html diff.
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*
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* @param string $line
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* @param integer $linenumber
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* @param string $class
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* @param array $coveringTests
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* @return void
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*/
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protected function _paintLine($line, $linenumber, $class, $coveringTests) {
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$coveredBy = '';
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if (!empty($coveringTests)) {
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$coveredBy = "Covered by:\n";
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foreach ($coveringTests as $test) {
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$coveredBy .= $test . "\n";
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}
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}
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return sprintf(
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'<div class="code-line %s" title="%s"><span class="line-num">%s</span><span class="content">%s</span></div>',
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$class,
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$coveredBy,
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$linenumber,
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htmlspecialchars($line)
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);
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}
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/**
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* generate some javascript for the coverage report.
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*
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* @return void
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*/
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public function coverageScript() {
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return <<<HTML
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<script type="text/javascript">
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function coverage_show_hide(selector) {
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var element = document.getElementById(selector);
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element.style.display = (element.style.display === 'none') ? '' : 'none';
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}
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function coverage_toggle_all() {
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var divs = document.querySelectorAll('div.coverage-container');
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var i = divs.length;
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while (i--) {
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if (divs[i] && divs[i].className.indexOf('primary') == -1) {
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divs[i].style.display = (divs[i].style.display === 'none') ? '' : 'none';
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}
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}
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}
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</script>
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HTML;
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}
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/**
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* Generate an HTML snippet for coverage headers
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*
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* @param string $filename
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* @param string $percent
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* @return void
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*/
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public function coverageHeader($filename, $percent) {
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$filename = basename($filename);
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list($file, $ext) = explode('.', $filename);
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$display = in_array($file, $this->_testNames) ? 'block' : 'none';
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$primary = $display === 'block' ? 'primary' : '';
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return <<<HTML
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<div class="coverage-container $primary" style="display:$display;">
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<h4>
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<a href="#coverage-$filename" onclick="coverage_show_hide('coverage-$filename');">
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$filename Code coverage: $percent%
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</a>
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</h4>
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<div class="code-coverage-results" id="coverage-$filename" style="display:none;">
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<pre>
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HTML;
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}
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/**
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* Generate an HTML snippet for coverage footers
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*
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* @return void
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*/
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public function coverageFooter() {
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return "</pre></div></div>";
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}
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}
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