function FieldCrudTestCase::testDeleteField in Drupal 7
Test the deletion of a field.
File
- modules/
field/ tests/ field.test, line 2609 - Tests for field.module.
Class
Code
function testDeleteField() {
// TODO: Also test deletion of the data stored in the field ?
// Create two fields (so we can test that only one is deleted).
$this->field = array(
'field_name' => 'field_1',
'type' => 'test_field',
);
field_create_field($this->field);
$this->another_field = array(
'field_name' => 'field_2',
'type' => 'test_field',
);
field_create_field($this->another_field);
// Create instances for each.
$this->instance_definition = array(
'field_name' => $this->field['field_name'],
'entity_type' => 'test_entity',
'bundle' => 'test_bundle',
'widget' => array(
'type' => 'test_field_widget',
),
);
field_create_instance($this->instance_definition);
$this->another_instance_definition = $this->instance_definition;
$this->another_instance_definition['field_name'] = $this->another_field['field_name'];
field_create_instance($this->another_instance_definition);
// Test that the first field is not deleted, and then delete it.
$field = field_read_field($this->field['field_name'], array(
'include_deleted' => TRUE,
));
$this
->assertTrue(!empty($field) && empty($field['deleted']), 'A new field is not marked for deletion.');
field_delete_field($this->field['field_name']);
// Make sure that the field is marked as deleted when it is specifically
// loaded.
$field = field_read_field($this->field['field_name'], array(
'include_deleted' => TRUE,
));
$this
->assertTrue(!empty($field['deleted']), 'A deleted field is marked for deletion.');
// Make sure that this field's instance is marked as deleted when it is
// specifically loaded.
$instance = field_read_instance('test_entity', $this->instance_definition['field_name'], $this->instance_definition['bundle'], array(
'include_deleted' => TRUE,
));
$this
->assertTrue(!empty($instance['deleted']), 'An instance for a deleted field is marked for deletion.');
// Try to load the field normally and make sure it does not show up.
$field = field_read_field($this->field['field_name']);
$this
->assertTrue(empty($field), 'A deleted field is not loaded by default.');
// Try to load the instance normally and make sure it does not show up.
$instance = field_read_instance('test_entity', $this->instance_definition['field_name'], $this->instance_definition['bundle']);
$this
->assertTrue(empty($instance), 'An instance for a deleted field is not loaded by default.');
// Make sure the other field (and its field instance) are not deleted.
$another_field = field_read_field($this->another_field['field_name']);
$this
->assertTrue(!empty($another_field) && empty($another_field['deleted']), 'A non-deleted field is not marked for deletion.');
$another_instance = field_read_instance('test_entity', $this->another_instance_definition['field_name'], $this->another_instance_definition['bundle']);
$this
->assertTrue(!empty($another_instance) && empty($another_instance['deleted']), 'An instance of a non-deleted field is not marked for deletion.');
// Try to create a new field the same name as a deleted field and
// write data into it.
field_create_field($this->field);
field_create_instance($this->instance_definition);
$field = field_read_field($this->field['field_name']);
$this
->assertTrue(!empty($field) && empty($field['deleted']), 'A new field with a previously used name is created.');
$instance = field_read_instance('test_entity', $this->instance_definition['field_name'], $this->instance_definition['bundle']);
$this
->assertTrue(!empty($instance) && empty($instance['deleted']), 'A new instance for a previously used field name is created.');
// Save an entity with data for the field
$entity = field_test_create_stub_entity(0, 0, $instance['bundle']);
$langcode = LANGUAGE_NONE;
$values[0]['value'] = mt_rand(1, 127);
$entity->{$field['field_name']}[$langcode] = $values;
$entity_type = 'test_entity';
field_attach_insert('test_entity', $entity);
// Verify the field is present on load
$entity = field_test_create_stub_entity(0, 0, $this->instance_definition['bundle']);
field_attach_load($entity_type, array(
0 => $entity,
));
$this
->assertIdentical(count($entity->{$field['field_name']}[$langcode]), count($values), "Data in previously deleted field saves and loads correctly");
foreach ($values as $delta => $value) {
$this
->assertEqual($entity->{$field['field_name']}[$langcode][$delta]['value'], $values[$delta]['value'], "Data in previously deleted field saves and loads correctly");
}
}