1 files changed, 98 insertions, 0 deletions
diff --git a/3rdparty/simpletest/extensions/coverage/coverage_calculator.php b/3rdparty/simpletest/extensions/coverage/coverage_calculator.php
new file mode 100644
index 00000000000..f1aa57bbab5
--- /dev/null
+++ b/3rdparty/simpletest/extensions/coverage/coverage_calculator.php
@@ -0,0 +1,98 @@
+<?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;
+    }
+}
+?>
+\ No newline at end of file