/
html_coverage_report.php
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/
html_coverage_report.php
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<?php
/**
* Generates code coverage reports in HTML from data obtained from PHPUnit
*
* PHP5
*
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package cake
* @subpackage cake.cake
* @since CakePHP(tm) v 2.0
* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
*/
require_once dirname(__FILE__) . '/base_coverage_report.php';
PHP_CodeCoverage_Filter::getInstance()->addFileToBlacklist(__FILE__, 'DEFAULT');
class HtmlCoverageReport extends BaseCoverageReport {
/**
* Generates report html to display.
*
* @return string compiled html report.
*/
public function report() {
$pathFilter = $this->getPathFilter();
$coverageData = $this->filterCoverageDataByPath($pathFilter);
if (empty($coverageData)) {
return '<h3>No files to generate coverage for</h3>';
}
$output = $this->coverageScript();
$output .= <<<HTML
<h3>Code coverage results
<a href="#" onclick="coverage_toggle_all()" class="coverage-toggle">Toggle all files</a>
</h3>
HTML;
foreach ($coverageData as $file => $coverageData) {
$fileData = file($file);
$output .= $this->generateDiff($file, $fileData, $coverageData);
}
return $output;
}
/**
* Generates an HTML diff for $file based on $coverageData.
*
* @param string $filename Name of the file having coverage generated
* @param array $fileLines File data as an array. See file() for how to get one of these.
* @param array $coverageData Array of coverage data to use to generate HTML diffs with
* @return string HTML diff.
*/
public function generateDiff($filename, $fileLines, $coverageData) {
$output = '';
$diff = array();
list($covered, $total) = $this->_calculateCoveredLines($fileLines, $coverageData);
//shift line numbers forward one;
array_unshift($fileLines, ' ');
unset($fileLines[0]);
foreach ($fileLines as $lineno => $line) {
$class = 'ignored';
$coveringTests = array();
if (isset($coverageData['covered'][$lineno])) {
$coveringTests = PHPUnit_Util_CodeCoverage::getCoveringTests(
$this->_rawCoverage, $filename, $lineno
);
$class = 'covered';
} elseif (isset($coverageData['executable'][$lineno])) {
$class = 'uncovered';
} elseif (isset($coverageData['dead'][$lineno])) {
$class .= ' dead';
}
$diff[] = $this->_paintLine($line, $lineno, $class, $coveringTests);
}
$percentCovered = round(100 * $covered / $total, 2);
$output .= $this->coverageHeader($filename, $percentCovered);
$output .= implode("", $diff);
$output .= $this->coverageFooter();
return $output;
}
/**
* Renders the html for a single line in the html diff.
*
* @return void
*/
protected function _paintLine($line, $linenumber, $class, $coveringTests) {
$coveredBy = '';
if (!empty($coveringTests)) {
$coveredBy = "Covered by:\n";
foreach ($coveringTests as &$test) {
$coveredBy .= $test->getName() . "\n";
}
}
return sprintf(
'<div class="code-line %s" title="%s"><span class="line-num">%s</span><span class="content">%s</span></div>',
$class,
$coveredBy,
$linenumber,
htmlspecialchars($line)
);
}
/**
* generate some javascript for the coverage report.
*
* @return void
*/
public function coverageScript() {
return <<<HTML
<script type="text/javascript">
function coverage_show_hide(selector) {
var element = document.getElementById(selector);
element.style.display = (element.style.display == 'none') ? '' : 'none';
}
function coverage_toggle_all () {
var divs = document.querySelectorAll('div.coverage-container');
var i = divs.length;
while (i--) {
if (divs[i] && divs[i].className.indexOf('primary') == -1) {
divs[i].style.display = (divs[i].style.display == 'none') ? '' : 'none';
}
}
}
</script>
HTML;
}
/**
* Generate an HTML snippet for coverage headers
*
* @return void
*/
public function coverageHeader($filename, $percent) {
$filename = basename($filename);
list($file, $ext) = explode('.', $filename);
$display = in_array($file, $this->_testNames) ? 'block' : 'none';
$primary = $display == 'block' ? 'primary' : '';
return <<<HTML
<div class="coverage-container $primary" style="display:$display;">
<h4>
<a href="#coverage-$filename" onclick="coverage_show_hide('coverage-$filename');">
$filename Code coverage: $percent%
</a>
</h4>
<div class="code-coverage-results" id="coverage-$filename" style="display:none;">
<pre>
HTML;
}
/**
* Generate an HTML snippet for coverage footers
*
* @return void
*/
public function coverageFooter() {
return "</pre></div></div>";
}
}