1 files changed, 52 insertions, 0 deletions
diff --git a/_testing/core/TestUtils.php b/_testing/core/TestUtils.php
new file mode 100644
index 000000000..4fd56e85d
--- /dev/null
+++ b/_testing/core/TestUtils.php
@@ -0,0 +1,52 @@
+<?php
+
+class TestUtils {
+
+    /**
+     * helper for recursive copy()
+     */
+    static function rcopy($destdir, $source) {
+        if (!is_dir($source)) {
+            copy($source, $destdir.'/'.basename($source));
+        } else {
+            $newdestdir = $destdir.'/'.basename($source);
+            mkdir($newdestdir);
+
+            $dh = dir($source);
+            while (false !== ($entry = $dh->read())) {
+                if ($entry == '.' || $entry == '..') {
+                    continue;
+                }
+                TestUtils::rcopy($newdestdir, $source.'/'.$entry);
+            }
+            $dh->close();
+        }
+    }
+
+    /**
+     * helper for recursive rmdir()/unlink()
+     */
+    static function rdelete($target) {
+        if (!is_dir($target)) {
+            unlink($target);
+        } else {
+            $dh = dir($target);
+            while (false !== ($entry = $dh->read())) {
+                if ($entry == '.' || $entry == '..') {
+                    continue;
+                }
+                TestUtils::rdelete("$target/$entry");
+            }
+            $dh->close();
+            rmdir($target);
+        }
+    }
+
+    // helper to append text to a file
+    static function fappend($file, $text) {
+        $fh = fopen($file, 'a');
+        fwrite($fh, $text);
+        fclose($fh);
+    }
+
+}