diff -r 07239de796bb -r e756a8c72c3d cms/drupal/modules/field/tests/field_test.install
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/field/tests/field_test.install	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,162 @@
+<?php
+
+/**
+ * @file
+ * Install, update and uninstall functions for the field_test module.
+ */
+
+/**
+ * Implements hook_install().
+ */
+function field_test_install() {
+  // hook_entity_info_alter() needs to be executed as last.
+  db_update('system')
+    ->fields(array('weight' => 1))
+    ->condition('name', 'field_test')
+    ->execute();
+}
+
+/**
+ * Implements hook_schema().
+ */
+function field_test_schema() {
+  $schema['test_entity'] = array(
+    'description' => 'The base table for test_entities.',
+    'fields' => array(
+      'ftid' => array(
+        'description' => 'The primary identifier for a test_entity.',
+        'type' => 'serial',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+      ),
+      'ftvid' => array(
+        'description' => 'The current {test_entity_revision}.ftvid version identifier.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'fttype' => array(
+        'description' => 'The type of this test_entity.',
+        'type' => 'varchar',
+        'length' => 32,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+      'ftlabel' => array(
+        'description' => 'The label of this test_entity.',
+        'type' => 'varchar',
+        'length' => 255,
+        'not null' => TRUE,
+        'default' => '',
+      ),
+    ),
+    'unique keys' => array(
+      'ftvid' => array('ftvid'),
+    ),
+    'primary key' => array('ftid'),
+  );
+  $schema['test_entity_bundle_key'] = array(
+    'description' => 'The base table for test entities with a bundle key.',
+    'fields' => array(
+      'ftid' => array(
+        'description' => 'The primary identifier for a test_entity_bundle_key.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'fttype' => array(
+        'description' => 'The type of this test_entity.',
+        'type' => 'varchar',
+        'length' => 32,
+        'not null' => FALSE,
+        'default' => '',
+      ),
+    ),
+  );
+  $schema['test_entity_bundle'] = array(
+    'description' => 'The base table for test entities with a bundle.',
+    'fields' => array(
+      'ftid' => array(
+        'description' => 'The primary identifier for a test_entity_bundle.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+    ),
+  );
+  $schema['test_entity_revision'] = array(
+    'description' => 'Stores information about each saved version of a {test_entity}.',
+    'fields' => array(
+      'ftid' => array(
+        'description' => 'The {test_entity} this version belongs to.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ),
+      'ftvid' => array(
+        'description' => 'The primary identifier for this version.',
+        'type' => 'serial',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+      ),
+    ),
+    'indexes' => array(
+      'nid' => array('ftid'),
+    ),
+    'primary key' => array('ftvid'),
+  );
+
+  return $schema;
+}
+
+/**
+ * Implements hook_field_schema().
+ */
+function field_test_field_schema($field) {
+  if ($field['type'] == 'test_field') {
+    return array(
+      'columns' => array(
+        'value' => array(
+          'type' => 'int',
+          'size' => 'medium',
+          'not null' => FALSE,
+        ),
+      ),
+      'indexes' => array(
+        'value' => array('value'),
+      ),
+    );
+  }
+  else {
+    $foreign_keys = array();
+    // The 'foreign keys' key is not always used in tests.
+    if (!empty($field['settings']['foreign_key_name'])) {
+      $foreign_keys['foreign keys'] = array(
+      // This is a dummy foreign key definition, references a table that
+      // doesn't exist, but that's not a problem.
+      $field['settings']['foreign_key_name'] => array(
+        'table' => $field['settings']['foreign_key_name'],
+        'columns' => array($field['settings']['foreign_key_name'] => 'id'),
+        ),
+      );
+    }
+    return array(
+      'columns' => array(
+        'shape' => array(
+          'type' => 'varchar',
+          'length' => 32,
+          'not null' => FALSE,
+        ),
+        'color' => array(
+          'type' => 'varchar',
+          'length' => 32,
+          'not null' => FALSE,
+        ),
+      ),
+    ) + $foreign_keys;
+  }
+}