refining configuration test generator, now supporting conditions on

tests (i.e. if syntax highlighting is false, highlighting should never
be loaded)

tst/bootstrap.php

@@ -8,6 +8,12 @@ require PATH . 'lib/auto.php';
 
 class helper
 {
+    /**
+     * delete directory and all its contents recursively
+     *
+     * @param string $path
+     * @throws Exception
+     */
     public static function rmdir($path)
     {
         $path .= DIRECTORY_SEPARATOR;
@@ -28,4 +34,59 @@ class helper
             throw new Exception('Error deleting directory "' . $path . '".');
         }
     }
+
+    /**
+     * create ini file
+     *
+     * @param string $pathToFile
+     * @param array $values
+     */
+    public static function createIniFile($pathToFile, $values)
+    {
+        if (count($values)) {
+            @unlink($pathToFile);
+            $ini = fopen($pathToFile, 'a');
+            foreach ($values as $section => $options) {
+                fwrite($ini, "[$section]" . PHP_EOL);
+                foreach($options as $option => $setting) {
+                    if (is_null($setting)) {
+                        continue;
+                    } elseif (is_string($setting)) {
+                        $setting = '"' . $setting . '"';
+                    } else {
+                        $setting = var_export($setting, true);
+                    }
+                    fwrite($ini, "$option = $setting" . PHP_EOL);
+                }
+                fwrite($ini, PHP_EOL);
+            }
+            fclose($ini);
+        }
+    }
+
+    /**
+     * a var_export that returns arrays without line breaks
+     * by linus@flowingcreativity.net via php.net
+     *
+     * @param mixed $var
+     * @param bool $return
+     * @return void|string
+     */
+    public static function var_export_min($var, $return = false)
+    {
+        if (is_array($var)) {
+            $toImplode = array();
+            foreach ($var as $key => $value) {
+                $toImplode[] = var_export($key, true) . ' => ' . self::var_export_min($value, true);
+            }
+            $code = 'array(' . implode(', ', $toImplode) . ')';
+            if ($return) {
+                return $code;
+            } else {
+                echo $code;
+            }
+        } else {
+            return var_export($var, $return);
+        }
+    }
 }