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<?php
/**
* @package SimpleTest
* @subpackage Extensions
*/
/**
* @package SimpleTest
* @subpackage Extensions
*/
class CoverageCalculator {
function coverageByFileVariables($file, $coverage) {
$hnd = fopen($file, 'r');
if ($hnd == null) {
throw new Exception("File $file is missing");
}
$lines = array();
for ($i = 1; !feof($hnd); $i++) {
$line = fgets($hnd);
$lineCoverage = $this->lineCoverageCodeToStyleClass($coverage, $i);
$lines[$i] = array('lineCoverage' => $lineCoverage, 'code' => $line);
}
fclose($hnd);
$var = compact('file', 'lines', 'coverage');
return $var;
}
function lineCoverageCodeToStyleClass($coverage, $line) {
if (!array_key_exists($line, $coverage)) {
return "comment";
}
$code = $coverage[$line];
if (empty($code)) {
return "comment";
}
switch ($code) {
case -1:
return "missed";
case -2:
return "dead";
}
return "covered";
}
function totalLoc($total, $coverage) {
return $total + sizeof($coverage);
}
function lineCoverage($total, $line) {
# NOTE: counting dead code as covered, as it's almost always an executable line
# strange artifact of xdebug or underlying system
return $total + ($line > 0 || $line == -2 ? 1 : 0);
}
function totalCoverage($total, $coverage) {
return $total + array_reduce($coverage, array(&$this, "lineCoverage"));
}
static function reportFilename($filename) {
return preg_replace('|[/\\\\]|', '_', $filename) . '.html';
}
function percentCoverageByFile($coverage, $file, &$results) {
$byFileReport = self::reportFilename($file);
$loc = sizeof($coverage);
if ($loc == 0)
return 0;
$lineCoverage = array_reduce($coverage, array(&$this, "lineCoverage"));
$percentage = 100 * ($lineCoverage / $loc);
$results[0][$file] = array('byFileReport' => $byFileReport, 'percentage' => $percentage);
}
function variables($coverage, $untouched) {
$coverageByFile = array();
array_walk($coverage, array(&$this, "percentCoverageByFile"), array(&$coverageByFile));
$totalLoc = array_reduce($coverage, array(&$this, "totalLoc"));
if ($totalLoc > 0) {
$totalLinesOfCoverage = array_reduce($coverage, array(&$this, "totalCoverage"));
$totalPercentCoverage = 100 * ($totalLinesOfCoverage / $totalLoc);
}
$untouchedPercentageDenominator = sizeof($coverage) + sizeof($untouched);
if ($untouchedPercentageDenominator > 0) {
$filesTouchedPercentage = 100 * sizeof($coverage) / $untouchedPercentageDenominator;
}
$var = compact('coverageByFile', 'totalPercentCoverage', 'totalLoc', 'totalLinesOfCoverage', 'filesTouchedPercentage');
$var['untouched'] = $untouched;
return $var;
}
}
?>
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