<?php

/**
 * @file
 * field_collections tests.
 */

/**
 * Test basics.
 */
class FieldCollectionBasicTestCase extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Field collection',
      'description' => 'Tests creating and using field collections.',
      'group' => 'Field types',
    );
  }

  function setUp() {
    parent::setUp('field_collection');

    // Create a field_collection field to use for the tests.
    $this->field_name = 'field_test_collection';
    $this->field = array('field_name' => $this->field_name, 'type' => 'field_collection', 'cardinality' => 4);
    $this->field = field_create_field($this->field);
    $this->field_id = $this->field['id'];

    $this->instance = array(
      'field_name' => $this->field_name,
      'entity_type' => 'node',
      'bundle' => 'article',
      'label' => $this->randomName() . '_label',
      'description' => $this->randomName() . '_description',
      'weight' => mt_rand(0, 127),
      'settings' => array(),
      'widget' => array(
        'type' => 'hidden',
        'label' => 'Test',
        'settings' => array(),
      ),
    );
    $this->instance = field_create_instance($this->instance);
  }

  /**
   * Helper for creating a new node with a field collection item.
   */
  protected function createNodeWithFieldCollection() {
    $node = $this->drupalCreateNode(array('type' => 'article'));
    // Manually create a field_collection.
    $entity = entity_create('field_collection_item', array('field_name' => $this->field_name));
    $entity->setHostEntity('node', $node);
    $entity->save();

    return array($node, $entity);
  }

  /**
   * Tests CRUD.
   */
  function testCRUD() {
    list ($node, $entity) = $this->createNodeWithFieldCollection();
    $node = node_load($node->nid, NULL, TRUE);
    $this->assertEqual($entity->item_id, $node->{$this->field_name}[LANGUAGE_NONE][0]['value'], 'A field_collection has been successfully created and referenced.');
    $this->assertEqual($entity->revision_id, $node->{$this->field_name}[LANGUAGE_NONE][0]['revision_id'], 'A field_collection has been successfully created and referenced.');

    // Test adding an additional field_collection during node edit.
    $entity2 = entity_create('field_collection_item', array('field_name' => $this->field_name));
    $node->{$this->field_name}[LANGUAGE_NONE][] = array('entity' => $entity2);
    node_save($node);

    $node = node_load($node->nid, NULL, TRUE);
    $this->assertTrue(!empty($entity2->item_id) && !empty($entity2->revision_id), 'Field_collection has been saved.');
    $this->assertEqual($entity->item_id, $node->{$this->field_name}[LANGUAGE_NONE][0]['value'], 'Existing reference has been kept during update.');
    $this->assertEqual($entity->revision_id, $node->{$this->field_name}[LANGUAGE_NONE][0]['revision_id'], 'Existing reference has been kept during update (revision).');
    $this->assertEqual($entity2->item_id, $node->{$this->field_name}[LANGUAGE_NONE][1]['value'], 'New field_collection has been properly referenced');
    $this->assertEqual($entity2->revision_id, $node->{$this->field_name}[LANGUAGE_NONE][1]['revision_id'], 'New field_collection has been properly referenced (revision)');

    // Make sure deleting the field_collection removes the reference.
    $entity2->delete();
    $node = node_load($node->nid, NULL, TRUE);
    $this->assertTrue(!isset($node->{$this->field_name}[LANGUAGE_NONE][1]), 'Reference correctly deleted.');

    // Make sure field_collections are removed during deletion of the host.
    node_delete($node->nid);
    $this->assertTrue(entity_load('field_collection_item', FALSE) === array(), 'Field collections are deleted when the host is deleted.');

    // Try deleting nodes with collections without any values.
    $node = $this->drupalCreateNode(array('type' => 'article'));
    node_delete($node->nid);
    $this->assertTrue(node_load($node->nid, NULL, TRUE) == FALSE, 'Node without collection values deleted.');

    // Test creating a field collection entity with a not-yet saved host entity.
    $node = entity_create('node', array('type' => 'article'));
    $entity = entity_create('field_collection_item', array('field_name' => $this->field_name));
    $entity->setHostEntity('node', $node);
    $entity->save();
    // Now the node should have been saved with the collection and the link
    // should have been established.
    $this->assertTrue(!empty($node->nid), 'Node has been saved with the collection.');
    $this->assertTrue(count($node->{$this->field_name}[LANGUAGE_NONE]) == 1 && !empty($node->{$this->field_name}[LANGUAGE_NONE][0]['value']) && !empty($node->{$this->field_name}[LANGUAGE_NONE][0]['revision_id']), 'Link has been established.');

    // Again, test creating a field collection with a not-yet saved host entity,
    // but this time save both entities via the host.
    $node = entity_create('node', array('type' => 'article'));
    $entity = entity_create('field_collection_item', array('field_name' => $this->field_name));
    $entity->setHostEntity('node', $node);
    node_save($node);
    $this->assertTrue(!empty($entity->item_id) && !empty($entity->revision_id), 'Collection has been saved with the host.');
    $this->assertTrue(count($node->{$this->field_name}[LANGUAGE_NONE]) == 1 && !empty($node->{$this->field_name}[LANGUAGE_NONE][0]['value']) && !empty($node->{$this->field_name}[LANGUAGE_NONE][0]['revision_id']), 'Link has been established.');

    // Test Revisions.
    list ($node, $item) = $this->createNodeWithFieldCollection();

    // Test saving a new revision of a node.
    $node->revision = TRUE;
    node_save($node);
    $item_updated = field_collection_item_load($node->{$this->field_name}[LANGUAGE_NONE][0]['value']);
    $this->assertNotEqual($item->revision_id, $item_updated->revision_id, 'Creating a new host entity revision creates a new field collection revision.');

    // Test saving the node without creating a new revision.
    $item = $item_updated;
    $node->revision = FALSE;
    node_save($node);
    $item_updated = field_collection_item_load($node->{$this->field_name}[LANGUAGE_NONE][0]['value']);
    $this->assertEqual($item->revision_id, $item_updated->revision_id, 'Updating a new host entity  without creating a new revision does not create a new field collection revision.');

    // Create a new revision of the node, such we have a non default node and
    // field collection revision. Then test using it.
    $vid = $node->vid;
    $item_revision_id = $item_updated->revision_id;
    $node->revision = TRUE;
    node_save($node);

    $item_updated = field_collection_item_load($node->{$this->field_name}[LANGUAGE_NONE][0]['value']);
    $this->assertNotEqual($item_revision_id, $item_updated->revision_id, 'Creating a new host entity revision creates a new field collection revision.');
    $this->assertTrue($item_updated->isDefaultRevision(), 'Field collection of default host entity revision is default too.');
    $this->assertEqual($item_updated->hostEntityId(), $node->nid, 'Can access host entity ID of default field collection revision.');
    $this->assertEqual($item_updated->hostEntity()->vid, $node->vid, 'Loaded default host entity revision.');

    $item = entity_revision_load('field_collection_item', $item_revision_id);
    $this->assertFalse($item->isDefaultRevision(), 'Field collection of non-default host entity is non-default too.');
    $this->assertEqual($item->hostEntityId(), $node->nid, 'Can access host entity ID of non-default field collection revision.');
    $this->assertEqual($item->hostEntity()->vid, $vid, 'Loaded non-default host entity revision.');

    // Delete the non-default revision and make sure the field collection item
    // revision has been deleted too.
    entity_revision_delete('node', $vid);
    $this->assertFalse(entity_revision_load('node', $vid), 'Host entity revision deleted.');
    $this->assertFalse(entity_revision_load('field_collection_item', $item_revision_id), 'Field collection item revision deleted.');

    // Test having archived field collections, i.e. collections referenced only
    // in non-default revisions.
    list ($node, $item) = $this->createNodeWithFieldCollection();
    // Create two revisions.
    $node_vid = $node->vid;
    $node->revision = TRUE;
    node_save($node);

    $node_vid2 = $node->vid;
    $node->revision = TRUE;
    node_save($node);

    // Now delete the field collection item for the default revision.
    $item = field_collection_item_load($node->{$this->field_name}[LANGUAGE_NONE][0]['value']);
    $item_revision_id = $item->revision_id;
    $item->deleteRevision();
    $node = node_load($node->nid);
    $this->assertTrue(!isset($node->{$this->field_name}[LANGUAGE_NONE][0]), 'Field collection item revision removed from host.');
    $this->assertFalse(field_collection_item_revision_load($item->revision_id), 'Field collection item default revision deleted.');

    $item = field_collection_item_load($item->item_id);
    $this->assertNotEqual($item->revision_id, $item_revision_id, 'Field collection default revision has been updated.');
    $this->assertTrue($item->archived, 'Field collection item has been archived.');
    $this->assertFalse($item->isInUse(), 'Field collection item specified as not in use.');
    $this->assertTrue($item->isDefaultRevision(), 'Field collection of non-default host entity is default (but archived).');
    $this->assertEqual($item->hostEntityId(), $node->nid, 'Can access host entity ID of non-default field collection revision.');
    $this->assertEqual($item->hostEntity()->nid, $node->nid, 'Loaded non-default host entity revision.');

    // Test deleting a revision of an archived field collection.
    $node_revision2 = node_load($node->nid, $node_vid2);
    $item = field_collection_item_revision_load($node_revision2->{$this->field_name}[LANGUAGE_NONE][0]['revision_id']);
    $item->deleteRevision();
    // There should be one revision left, so the item should still exist.
    $item = field_collection_item_load($item->item_id);
    $this->assertTrue($item->archived, 'Field collection item is still archived.');
    $this->assertFalse($item->isInUse(), 'Field collection item specified as not in use.');

    // Test that deleting the first node revision deletes the whole field
    // collection item as it contains its last revision.
    node_revision_delete($node_vid);
    $this->assertFalse(field_collection_item_load($item->item_id), 'Archived field collection deleted when last revision deleted.');

    // Test that removing a field-collection item also deletes it.
    list ($node, $item) = $this->createNodeWithFieldCollection();

    $node->{$this->field_name}[LANGUAGE_NONE] = array();
    $node->revision = FALSE;
    node_save($node);
    $this->assertFalse(field_collection_item_load($item->item_id), 'Removed field collection item has been deleted.');

    // Test removing a field-collection item while creating a new host revision.
    list ($node, $item) = $this->createNodeWithFieldCollection();
    $node->{$this->field_name}[LANGUAGE_NONE] = array();
    $node->revision = TRUE;
    node_save($node);
    // Item should not be deleted but archived now.
    $item = field_collection_item_load($item->item_id);
    $this->assertTrue($item, 'Removed field collection item still exists.');
    $this->assertTrue($item->archived, 'Removed field collection item is archived.');
  }

  /**
   * Make sure the basic UI and access checks are working.
   */
  function testBasicUI() {
    // Add a field to the collection.
    $field = array(
      'field_name' => 'field_text',
      'type' => 'text',
      'cardinality' => 1,
      'translatable' => FALSE,
    );
    field_create_field($field);
    $instance = array(
      'entity_type' => 'field_collection_item',
      'field_name' => 'field_text',
      'bundle' => $this->field_name,
      'label' => 'Test text field',
      'widget' => array(
        'type' => 'text_textfield',
      ),
    );
    field_create_instance($instance);

    $user = $this->drupalCreateUser();
    $node = $this->drupalCreateNode(array('type' => 'article'));

    $this->drupalLogin($user);
    // Make sure access is denied.
    $path = 'field-collection/field-test-collection/add/node/' . $node->nid;
    $this->drupalGet($path);
    $this->assertText(t('Access denied'), 'Access has been denied.');

    $user_privileged = $this->drupalCreateUser(array('access content', 'edit any article content'));
    $this->drupalLogin($user_privileged);
    $this->drupalGet("node/$node->nid");
    $this->assertLinkByHref($path, 0, 'Add link is shown.');
    $this->drupalGet($path);
    $this->assertText(t('Test text field'), 'Add form is shown.');

    $edit['field_text[und][0][value]'] = $this->randomName();
    $this->drupalPost($path, $edit, t('Save'));
    $this->assertText(t('The changes have been saved.'), 'Field collection saved.');

    $this->assertText($edit['field_text[und][0][value]'], "Added field value is shown.");

    $edit['field_text[und][0][value]'] = $this->randomName();
    $this->drupalPost('field-collection/field-test-collection/1/edit', $edit, t('Save'));
    $this->assertText(t('The changes have been saved.'), 'Field collection saved.');
    $this->assertText($edit['field_text[und][0][value]'], "Field collection has been edited.");

    $this->drupalGet('field-collection/field-test-collection/1');
    $this->assertText($edit['field_text[und][0][value]'], "Field collection can be viewed.");

    // Add further 3 items, so we have reached 4 == maxium cardinality.
    $this->drupalPost($path, $edit, t('Save'));
    $this->drupalPost($path, $edit, t('Save'));
    $this->drupalPost($path, $edit, t('Save'));
    // Make sure adding doesn't work any more as we have restricted cardinality
    // to 1.
    $this->drupalGet($path);
    $this->assertText(t('Too many items.'), 'Maxium cardinality has been reached.');

    $this->drupalPost('field-collection/field-test-collection/1/delete', array(), t('Delete'));
    $this->drupalGet($path);
    // Add form is shown again.
    $this->assertText(t('Test text field'), 'Field collection item has been deleted.');

    // Test the viewing a revision. There should be no links to change it.
    $vid = $node->vid;
    $node = node_load($node->nid, NULL, TRUE);
    $node->revision = TRUE;
    node_save($node);

    $this->drupalGet("node/$node->nid/revisions/$vid/view");
    $this->assertResponse(403, 'Access to view revision denied');
    // Login in as admin and try again.
    $user = $this->drupalCreateUser(array('administer nodes', 'bypass node access'));
    $this->drupalLogin($user);
    $this->drupalGet("node/$node->nid/revisions/$vid/view");
    $this->assertNoResponse(403, 'Access to view revision granted');

    $this->assertNoLinkByHref($path, 'No links on revision view.');
    $this->assertNoLinkByHref('field-collection/field-test-collection/2/edit', 'No links on revision view.');
    $this->assertNoLinkByHref('field-collection/field-test-collection/2/delete', 'No links on revision view.');

    $this->drupalGet("node/$node->nid/revisions");
  }
}


/**
 * Test using field collection with Rules.
 */
class FieldCollectionRulesIntegrationTestCase extends DrupalWebTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Field collection Rules integration',
      'description' => 'Tests using field collections with rules.',
      'group' => 'Field types',
      'dependencies' => array('rules'),
    );
  }

  function setUp() {
    parent::setUp(array('field_collection', 'rules'));
    variable_set('rules_debug_log', 1);
  }

  protected function createFields($cardinality = 4) {
    // Create a field_collection field to use for the tests.
    $this->field_name = 'field_test_collection';
    $this->field = array('field_name' => $this->field_name, 'type' => 'field_collection', 'cardinality' => $cardinality);
    $this->field = field_create_field($this->field);
    $this->field_id = $this->field['id'];

    $this->instance = array(
      'field_name' => $this->field_name,
      'entity_type' => 'node',
      'bundle' => 'article',
      'label' => $this->randomName() . '_label',
      'description' => $this->randomName() . '_description',
      'weight' => mt_rand(0, 127),
      'settings' => array(),
      'widget' => array(
        'type' => 'hidden',
        'label' => 'Test',
        'settings' => array(),
      ),
    );
    $this->instance = field_create_instance($this->instance);
    // Add a field to the collection.
    $field = array(
      'field_name' => 'field_text',
      'type' => 'text',
      'cardinality' => 1,
      'translatable' => FALSE,
    );
    field_create_field($field);
    $instance = array(
      'entity_type' => 'field_collection_item',
      'field_name' => 'field_text',
      'bundle' => $this->field_name,
      'label' => 'Test text field',
      'widget' => array(
        'type' => 'text_textfield',
      ),
    );
    field_create_instance($instance);
  }

  /**
   * Test creation field collection items.
   */
  function testCreation() {
    $this->createFields();

    $node = $this->drupalCreateNode(array('type' => 'article'));
    // Create a field collection.
    $action_set = rules_action_set(array('node' => array('type' => 'node', 'bundle' => 'article')));
    $action_set->action('entity_create', array(
      'type' => 'field_collection_item',
      'param_field_name' => $this->field_name,
      'param_host_entity:select' => 'node',
    ));
    $action_set->action('data_set', array('data:select' => 'entity-created:field-text', 'value' => 'foo'));
    $action_set->execute($node);

    $node = node_load($node->nid, NULL, TRUE);
    $this->assertTrue(!empty($node->{$this->field_name}[LANGUAGE_NONE][0]['value']), 'A field_collection has been successfully created.');
    $this->assertTrue(!empty($node->{$this->field_name}[LANGUAGE_NONE][0]['revision_id']), 'A field_collection has been successfully created (revision).');

    // Now try making use of the field collection in rules.
    $action_set = rules_action_set(array('node' => array('type' => 'node', 'bundle' => 'article')));
    $action_set->action('drupal_message', array('message:select' => 'node:field-test-collection:0:field-text'));
    $action_set->execute($node);

    $msg = drupal_get_messages();
    $this->assertEqual(array_pop($msg['status']), 'foo', 'Field collection can be used.');
    RulesLog::logger()->checkLog();
  }

  /**
   * Test using field collection items via the host while they are being created.
   */
  function testUsageDuringCreation() {
    // Test using a single-cardinality field collection.
    $this->createFields(1);

    $node = $this->drupalCreateNode(array('type' => 'article'));
    $entity = entity_create('field_collection_item', array('field_name' => $this->field_name));
    $entity->setHostEntity('node', $node);
    // Now the field collection is linked to the host, but not yet saved.

    // Test using the wrapper on it.
    $wrapper = entity_metadata_wrapper('node', $node);
    $wrapper->get($this->field_name)->field_text->set('foo');
    $this->assertEqual($entity->field_text[LANGUAGE_NONE][0]['value'], 'foo', 'Field collection item used during creation via the wrapper.');

    // Now test it via Rules, which should save our changes.
    $set = rules_action_set(array('node' => array('type' => 'node', 'bundle' => 'article')));
    $set->action('data_set', array('data:select' => 'node:' . $this->field_name . ':field-text', 'value' => 'bar'));
    $set->execute($node);
    $this->assertEqual($entity->field_text[LANGUAGE_NONE][0]['value'], 'bar', 'Field collection item used during creation via Rules.');
    $this->assertTrue(!empty($entity->item_id) && !empty($entity->revision_id), 'Field collection item has been saved by Rules and the host entity.');
    RulesLog::logger()->checkLog();
  }
}