<?php

/**
 * @file
 * Tests for Relation UI module.
 */

/**
 * Tests Relation UI.
 *
 * Check that relation administration interface works.
 */
class RelationUITestCase extends RelationTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Relation UI test',
      'description' => 'Tests Relation UI.',
      'group' => 'Relation',
    );
  }

  function setUp() {
    // This is necessary for the ->propertyOrderBy('created', 'DESC') test.
    $this->sleep = TRUE;
    parent::setUp('relation_ui');
  }

  /**
   * Tests deletion of a relation.
   */
  function testRelationDelete() {
    $relations = relation_query('node', $this->node1->nid)
      ->propertyOrderBy('created', 'DESC')
      ->execute();
    $relation = $relations[$this->rid_directional];

    $this->drupalPost("relation/$relation->rid/delete", array(), t('Delete'));
    $arg = array(':rid' => $relation->rid);
    $this->assertFalse((bool) db_query_range('SELECT * FROM {relation} WHERE rid = :rid', 0, 1, $arg)->fetchField(), 'Nothing in relation table after delete.');
    $this->assertFalse((bool) db_query_range('SELECT * FROM {relation_revision} WHERE rid = :rid', 0, 1, $arg)->fetchField(), 'Nothing in relation revision table after delete.');
    $skeleton_relation = entity_create_stub_entity('relation', array($relation->rid, $relation->vid, $relation->relation_type));
    field_attach_load('relation', array($relation->rid => $skeleton_relation));
    $this->assertIdentical($skeleton_relation->endpoints, array(), t('Field data not present after delete'));

    // Try deleting the content types.
    $this->drupalGet("admin/structure/relation/manage/$this->relation_type_symmetric/delete");
    $num_relations = 1;
    // See relation_type_delete_confirm() in relation_ui.module
    $this->assertRaw(format_plural($num_relations, 'The %label relation type is used by 1 relation on your site. If you remove this relation type, you will not be able to edit  %label relations and they may not display correctly.', 'The %label relation type is used by @count relations on your site. If you remove %label, you will not be able to edit %label relations and they may not display correctly.', array('%label' => $this->relation_types['symmetric']['label'], '@count' => $num_relations)), 'Correct number of relations found (1) for ' . $this->relation_types['symmetric']['label'] . ' relation type.');
  }

  /**
   * Tests importing method.
   */
  function testRelationImport() {
    // Tests navigate to import page and all fields are available.
    $this->drupalGet('admin/structure/relation');
    $this->clickLink(t('Import relation type'));
    $this->assertFieldByName('name');
    $this->assertFieldByName('relation_type');
    $this->assertFieldByName('op', t('Import'));

    // Tests import a relation. The relation name is coming from source. So
    // first imports a simple relation without adding a different name, check
    // status message and return to the relations listing page to check the
    // imported relation is available.
    $post = array(
      'relation_type' => '
        $relation_type = new stdClass();
        $relation_type->disabled = FALSE; /* Edit this to true to make a default relation_type disabled initially */
        $relation_type->api_version = 1;
        $relation_type->relation_type = \'is_similar_to\';
        $relation_type->label = \'is similar to\';
        $relation_type->reverse_label = \'is similar to\';
        $relation_type->directional = 0;
        $relation_type->transitive = 1;
        $relation_type->r_unique = 1;
        $relation_type->min_arity = 4;
        $relation_type->max_arity = 5;
        $relation_type->source_bundles = array(
          0 => \'node:*\',
        );
        $relation_type->target_bundles = array();
      ',
    );
    $this->drupalPost(NULL, $post, t('Import'));
    $this->assertText(t('Successfully imported is_similar_to'));
    $this->drupalGet('admin/structure/relation');
    $this->assertLink('is similar to', 0, t('The imported relation is exist'));

    // Navaigates to edit page, checks machine name and the imported data. The
    // imported data contains the following field checks:
    // - the selected bundle
    // - directional checkbox
    // - transivite checkbox
    // - unique checkbox
    // - minimum and maximum arity select lists
    $this->clickLink('is similar to');
    // Checks the corect url.
    $this->assertUrl('admin/structure/relation/manage/is_similar_to', array(), t('The imported machine name is correct.'));
    // Checks that only the correct bundle is selected.
    $bundle_options = $this->xpath('//select[@id=:id]//option', array(':id' => 'edit-source-bundles'));
    foreach ($bundle_options as $option) {
      $this->assertIdentical((string) $option['value'] == 'node:*', isset($option['selected']));
    }
    // Checks other datas.
    $this->assertNoFieldChecked('edit-directional', t('Directional data is imported correct.'));
    $this->assertFieldChecked('edit-advanced-transitive', t('Transitive data is imported correct.'));
    $this->assertFieldChecked('edit-advanced-r-unique', t('Unique data is imported correct.'));
    $this->assertOptionSelected('edit-advanced-min-arity', '4', t('Minimum arity data is imported correct.'));
    $this->assertOptionSelected('edit-advanced-max-arity', '5', t('Maximum arity data is imported correct.'));

    // Tests validation of duplication import.
    $post = array(
      'relation_type' => '
        $relation_type = new stdClass();
        $relation_type->disabled = FALSE; /* Edit this to true to make a default relation_type disabled initially */
        $relation_type->api_version = 1;
        $relation_type->relation_type = \'is_similar_to\';
        $relation_type->label = \'is similar to\';
        $relation_type->reverse_label = \'is similar to\';
        $relation_type->directional = 0;
        $relation_type->transitive = 1;
        $relation_type->r_unique = 1;
        $relation_type->min_arity = 4;
        $relation_type->max_arity = 5;
        $relation_type->source_bundles = array(
          0 => \'node:*\',
        );
        $relation_type->target_bundles = array();
      ',
    );
    $this->drupalPost('admin/structure/relation/import', $post, t('Import'));
    $this->assertNoText(t('Successfully imported is_similar_to'));
    $this->assertText(t('A relation type by that name already exists; please choose a different name'));

    // Delete unused relation.
    relation_type_delete('is_similar_to');

    // Tests importing with overridden machine name. So after imporing check
    // the status message, check that the imported relation is available and
    // check the modified machine name.
    $post = array(
      'name' => 'overridden_import_test',
      'relation_type' => '
        $relation_type = new stdClass();
        $relation_type->disabled = FALSE; /* Edit this to true to make a default relation_type disabled initially */
        $relation_type->api_version = 1;
        $relation_type->relation_type = \'is_similar_to\';
        $relation_type->label = \'is similar to\';
        $relation_type->reverse_label = \'is similar to\';
        $relation_type->directional = 0;
        $relation_type->transitive = 1;
        $relation_type->r_unique = 1;
        $relation_type->min_arity = 4;
        $relation_type->max_arity = 5;
        $relation_type->source_bundles = array(
          0 => \'node:*\',
        );
        $relation_type->target_bundles = array();
      ',
    );
    $this->drupalPost('admin/structure/relation/import', $post, t('Import'));
    $this->assertText(t('Successfully imported overridden_import_test'));
    $this->drupalGet('admin/structure/relation');
    $this->assertLink('is similar to', 0, t('The imported relation is exist'));
    $this->clickLink('is similar to');
    $this->assertUrl('admin/structure/relation/manage/overridden_import_test', array(), t('The imported machine name is correct.'));

    // Test that relations of imported relation type are accessible from
    // admin/content
    $endpoint = array('entity_type' => 'node', 'entity_id' => $this->node1->nid);
    $relation = relation_create('overridden_import_test', array_fill(0, 5, $endpoint));
    $rid = relation_save($relation);
    $this->drupalGet('admin/content/relation');
    $this->assertLink(t('Relation') . ' ' . $rid, 0, t('Relation of imported type is listed in admin/content'));

    // Delete unused relation.
    relation_type_delete('overridden_import_test');
  }

  /**
   * Tests endpoint field settings.
   */
  function testRelationEndpointsField() {
    $field_label = $this->randomName();
    $edit = array(
      'instance[label]' => $field_label,
    );
    $this->drupalPost('admin/structure/relation/manage/symmetric/fields/endpoints', $edit, t('Save settings'));
    $this->assertText(t('Saved @label configuration.', array('@label' => $field_label)));

    $this->drupalGet('admin/structure/relation/manage/symmetric/fields');
    $this->assertFieldByXPath('//table[@id="field-overview"]//td[1]', $field_label, t('Endpoints field label appears to be changed in the overview table.'));
  }
}