function FieldAttachStorageTestCase::testFieldAttachDelete

Test field_attach_delete().

File

modules/field/tests/field.test, line 559

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.');
}