Add default values for credit card details when in test mode (sandbox account).

authorizenetwebform.module

@@ -151,6 +151,11 @@ function authorizenetwebform_form_webform_client_form_alter(&$form, &$form_state
     'sensitive' => array(),
   );
 
+  // Pre-populate the fields with test credit card info.
+  if (variable_get('authorizenetwebform_mode', 'main') == 'test') {
+    _authorizenetwebform_set_test_values($form['submitted'], $node->nid);
+  }
+
   // Add Accept.js data attributes to each mapped field.
   _authorizenetwebform_add_attributes($form['submitted'], $settings['mapping'], $node->nid);
 
@@ -189,13 +194,11 @@ function authorizenetwebform_form_webform_client_form_alter(&$form, &$form_state
  */
 function authorizenetwebform_webform_client_form_validate($form, &$form_state) {
 
-  // Get key mappings for this webform.
+  // Get key mappings for this webform: webform field => AuthNet field.
   $nid = $form_state['values']['details']['nid']; // Nice shorthand.
-  $variable_name = 'authorizenetwebform_key_map_' . $nid;
-  // Get the mapping of webform field => AuthNet field key.
-  $field_map = variable_get($variable_name, array());
-  // Get the mapping of AuthNet field key => webform field.
-  $flipped_map = array_flip($field_map);
+  $field_map = _authorizenetwebform_get_key_mappings($nid);
+  // Get reverse key mappings AuthNet field => webform field.
+  $flipped_map = _authorizenetwebform_get_key_mappings($nid, TRUE);
 
   // Get the amount.
   $field_values = _authorizenetwebform_flatten_form_values($form_state['values']['submitted']);
@@ -224,13 +227,11 @@ function authorizenetwebform_webform_client_form_submit($form, &$form_state) {
 
   $field_values = _authorizenetwebform_flatten_form_values($form_state['input']['submitted']);
 
-  // Get key mappings for this webform.
+  // Get key mappings for this webform: webform field => AuthNet field.
   $nid = $form_state['values']['details']['nid']; // Nice shorthand.
-  $variable_name = 'authorizenetwebform_key_map_' . $nid;
-  // Get the mapping of webform field => AuthNet field key.
-  $field_map = variable_get($variable_name, array());
-  // Get the mapping of AuthNet field key => webform field.
-  $flipped_map = array_flip($field_map);
+  $field_map = _authorizenetwebform_get_key_mappings($nid);
+  // Get reverse key mappings AuthNet field => webform field.
+  $flipped_map = _authorizenetwebform_get_key_mappings($nid, TRUE);
 
   // Get the amount.
   $amount_key = $flipped_map['x_amount'];
@@ -521,10 +522,10 @@ function authorizenetwebform_webform_client_form_submit($form, &$form_state) {
 
       // @todo: Save this data into a more permanent location than watchdog?
 
-      // Also print response to screen.
-      //if (module_exists('devel')) {
-        //dpm($response_array);
-      //}
+      // Also print response to screen if devel is enabled.
+      if (module_exists('devel')) {
+        dpm($response_array);
+      }
     }
   }
 
@@ -808,3 +809,72 @@ function _authorizenetwebform_get_component_ids($node) {
   }
   return $component_ids;
 }
+
+/**
+ * Gets key mappings for a particular webform.
+ *
+ * @param int $nid
+ *   Node ID for the webform.
+ * @param bool $reverse
+ *   Whether or not to reverse the key mappings.
+ *
+ * @return array
+ *   Webform keys for authorize.net values.
+ */
+function _authorizenetwebform_get_key_mappings($nid = FALSE, $reverse = FALSE) {
+  if (!$nid) {
+    return;
+  }
+
+  static $authnet_field_maps;
+  if (is_array($authnet_field_maps) && array_key_exists($nid, $authnet_field_maps)
+      && !empty($authnet_field_maps[$nid])) {
+    $return = $authnet_field_maps[$nid];
+  }
+  else {
+    $authnet_field_maps = array();
+    $variable_name = 'authorizenetwebform_key_map_' . $nid;
+    // Get the mapping of webform field => AuthNet field key.
+    $authnet_field_maps[$nid] = variable_get($variable_name, array());
+    $return = $authnet_field_maps[$nid];
+  }
+
+  if ($reverse) {
+    $return = array_flip($return);
+  }
+
+  return $return;
+}
+
+/**
+ * Sets test credit card numbers for faster testing.
+ *
+ * @param  array $element
+ *   Form array or form element (for example, fieldset).
+ */
+function _authorizenetwebform_set_test_values(&$form, $nid) {
+  // Get reverse key mappings AuthNet field => webform field.
+  $flipped_map = _authorizenetwebform_get_key_mappings($nid, TRUE);
+
+  foreach ($form as $key => &$element) {
+    if (substr($key, 0, 1) != '#') {
+      if ($element['#type'] == 'fieldset') {
+        _authorizenetwebform_set_test_values($element, $nid);
+      }
+      else {
+        if ($key == $flipped_map['x_card_num']) {
+          $form[$key]['#default_value'] = '4111111111111111';
+        }
+        elseif ($key == $flipped_map['x_exp_month']) {
+          $form[$key]['#default_value'] = '11';
+        }
+        elseif ($key == $flipped_map['x_exp_year']) {
+          $form[$key]['#default_value'] = '99';
+        }
+        elseif ($key == $flipped_map['x_card_code']) {
+          $form[$key]['#default_value'] = '111';
+        }
+      }
+    }
+  }
+}