cops/test/coverage-checker.php
2013-12-17 20:59:22 +01:00

44 lines
1.2 KiB
PHP

<?php
/**
* Code coverage checker. Analyzes a given `clover.xml` report produced
* by PHPUnit and checks if coverage fits expected ratio
*
* Usage:
* php coverage-checker <path-to-clover> <pass-percentage>
*
* @author Marco Pivetta <ocramius@gmail.com>
* @see http://ocramius.github.io/blog/automated-code-coverage-check-for-github-pull-requests-with-travis/
*/
$inputFile = $argv[1];
$percentage = min(100, max(0, (int) $argv[2]));
if (!file_exists($inputFile)) {
echo 'Invalid input file provided';
exit (0);
}
if (!$percentage) {
throw new InvalidArgumentException('An integer checked percentage must be given as second parameter');
}
$xml = new SimpleXMLElement(file_get_contents($inputFile));
$metrics = $xml->xpath('//metrics');
$totalElements = 0;
$checkedElements = 0;
foreach ($metrics as $metric) {
$totalElements += (int) $metric['elements'];
$checkedElements += (int) $metric['coveredelements'];
}
$coverage = ($checkedElements / $totalElements) * 100;
if ($coverage < $percentage) {
echo 'Code coverage is ' . $coverage . '%, which is below the accepted ' . $percentage . '%' . PHP_EOL;
exit(1);
}
echo 'Code coverage is ' . $coverage . '% - OK!' . PHP_EOL;