#838438 by Damien Tournoud, chx: Added basic tests for D6 => D7 upgrade path, and framework for further extending upgrade test coverage. W00t! :D

1 files changed, 59 insertions, 0 deletions

diff --git a/includes/utility.inc b/includes/utility.inc
new file mode 100644
index 000000000..438389d12
--- /dev/null
+++ b/includes/utility.inc
@@ -0,0 +1,59 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Miscellaneous functions.
+ */
+
+/**
+ * Drupal-friendly var_export().
+ *
+ * @param $var
+ *   The variable to export.
+ * @param $prefix
+ *   A prefix that will be added at the begining of every lines of the output.
+ * @return
+ *   The variable exported in a way compatible to Drupal's coding standards.
+ */
+function drupal_var_export($var, $prefix = '') {
+  if (is_array($var)) {
+    if (empty($var)) {
+      $output = 'array()';
+    }
+    else {
+      $output = "array(\n";
+      // Don't export keys if the array is non associative.
+      $export_keys = array_values($var) != $var;
+      foreach ($var as $key => $value) {
+        $output .= '  ' . ($export_keys ? drupal_var_export($key) . ' => ' : '') . drupal_var_export($value, '  ', FALSE) . ",\n";
+      }
+      $output .= ')';
+    }
+  }
+  else if (is_bool($var)) {
+    $output = $var ? 'TRUE' : 'FALSE';
+  }
+  else if (is_string($var)) {
+    $line_safe_var = str_replace("\n", '\n', $var);
+    if (strpos($var, "\n") !== FALSE || strpos($var, "'") !== FALSE) {
+      // If the string contains a line break or a single quote, use the
+      // double quote export mode. Encode backslash and double quotes and
+      // transform some common control characters.
+      $var = str_replace(array('\\', '"', "\n", "\r", "\t"), array('\\\\', '\"', '\n', '\r', '\t'), $var);
+      $output = '"' . $var . '"';
+    }
+    else {
+      $output = "'" . $var . "'";
+    }
+  }
+  else {
+    $output = var_export($var, TRUE);
+  }
+
+  if ($prefix) {
+    $output = str_replace("\n", "\n$prefix", $output);
+  }
+
+  return $output;
+}