function FieldAttachStorageTestCase::testFieldAttachDelete in Drupal 7

Test field_attach_delete().

File

modules/field/tests/field.test, line 550

Tests for field.module.

Class

FieldAttachStorageTestCase

Unit test class for storage-related field_attach_* functions.

Code

function testFieldAttachDelete() {
  $entity_type = 'test_entity';
  $langcode = LANGUAGE_NONE;
  $rev[0] = field_test_create_stub_entity(0, 0, $this->instance['bundle']);

  // Create revision 0
  $values = $this
    ->_generateTestFieldValues($this->field['cardinality']);
  $rev[0]->{$this->field_name}[$langcode] = $values;
  field_attach_insert($entity_type, $rev[0]);

  // Create revision 1
  $rev[1] = field_test_create_stub_entity(0, 1, $this->instance['bundle']);
  $rev[1]->{$this->field_name}[$langcode] = $values;
  field_attach_update($entity_type, $rev[1]);

  // Create revision 2
  $rev[2] = field_test_create_stub_entity(0, 2, $this->instance['bundle']);
  $rev[2]->{$this->field_name}[$langcode] = $values;
  field_attach_update($entity_type, $rev[2]);

  // Confirm each revision loads
  foreach (array_keys($rev) as $vid) {
    $read = field_test_create_stub_entity(0, $vid, $this->instance['bundle']);
    field_attach_load_revision($entity_type, array(
      0 => $read,
    ));
    $this
      ->assertEqual(count($read->{$this->field_name}[$langcode]), $this->field['cardinality'], "The test entity revision {$vid} has {$this->field['cardinality']} values.");
  }

  // Delete revision 1, confirm the other two still load.
  field_attach_delete_revision($entity_type, $rev[1]);
  foreach (array(
    0,
    2,
  ) as $vid) {
    $read = field_test_create_stub_entity(0, $vid, $this->instance['bundle']);
    field_attach_load_revision($entity_type, array(
      0 => $read,
    ));
    $this
      ->assertEqual(count($read->{$this->field_name}[$langcode]), $this->field['cardinality'], "The test entity revision {$vid} has {$this->field['cardinality']} values.");
  }

  // Confirm the current revision still loads
  $read = field_test_create_stub_entity(0, 2, $this->instance['bundle']);
  field_attach_load($entity_type, array(
    0 => $read,
  ));
  $this
    ->assertEqual(count($read->{$this->field_name}[$langcode]), $this->field['cardinality'], "The test entity current revision has {$this->field['cardinality']} values.");

  // Delete all field data, confirm nothing loads
  field_attach_delete($entity_type, $rev[2]);
  foreach (array(
    0,
    1,
    2,
  ) as $vid) {
    $read = field_test_create_stub_entity(0, $vid, $this->instance['bundle']);
    field_attach_load_revision($entity_type, array(
      0 => $read,
    ));
    $this
      ->assertIdentical($read->{$this->field_name}, array(), "The test entity revision {$vid} is deleted.");
  }
  $read = field_test_create_stub_entity(0, 2, $this->instance['bundle']);
  field_attach_load($entity_type, array(
    0 => $read,
  ));
  $this
    ->assertIdentical($read->{$this->field_name}, array(), 'The test entity current revision is deleted.');
}