class RdfTrackerAttributesTestCase

class RdfTrackerAttributesTestCase extends DrupalWebTestCase {
    public static function getInfo() {
        return array(
            'name' => 'RDF tracker page mapping',
            'description' => 'Test the mapping for the tracker page and ensure the proper RDFa markup in included.',
            'group' => 'RDF',
        );
    }
    function setUp() {
        parent::setUp('rdf', 'rdf_test', 'tracker');
        // Enable anonymous posting of content.
        user_role_change_permissions(DRUPAL_ANONYMOUS_RID, array(
            'create article content' => TRUE,
            'access comments' => TRUE,
            'post comments' => TRUE,
            'skip comment approval' => TRUE,
        ));
    }
    
    /**
     * Create nodes as both admin and anonymous user and test for correct RDFa
     * markup on the tracker page for those nodes and their comments.
     */
    function testAttributesInTracker() {
        // Create node as anonymous user.
        $node_anon = $this->drupalCreateNode(array(
            'type' => 'article',
            'uid' => 0,
        ));
        // Create node as admin user.
        $node_admin = $this->drupalCreateNode(array(
            'type' => 'article',
            'uid' => 1,
        ));
        // Pass both the anonymously posted node and the administrator posted node
        // through to test for the RDF attributes.
        $this->_testBasicTrackerRdfaMarkup($node_anon);
        $this->_testBasicTrackerRdfaMarkup($node_admin);
    }
    
    /**
     * Helper function for testAttributesInTracker().
     *
     * Tests the tracker page for RDFa markup.
     *
     * @param $node
     * The node just created.
     */
    function _testBasicTrackerRdfaMarkup($node) {
        $url = url('node/' . $node->nid);
        $user = $node->uid == 0 ? 'Anonymous user' : 'Registered user';
        // Navigate to tracker page.
        $this->drupalGet('tracker');
        // Tests whether the about property is applied. This is implicit in the
        // success of the following tests, but making it explicit will make
        // debugging easier in case of failure.
        $tracker_about = $this->xpath('//tr[@about=:url]', array(
            ':url' => $url,
        ));
        $this->assertTrue(!empty($tracker_about), format_string('About attribute found on table row for @user content.', array(
            '@user' => $user,
        )));
        // Tests whether the title has the correct property attribute.
        $tracker_title = $this->xpath('//tr[@about=:url]/td[@property="dc:title" and @datatype=""]', array(
            ':url' => $url,
        ));
        $this->assertTrue(!empty($tracker_title), format_string('Title property attribute found on @user content.', array(
            '@user' => $user,
        )));
        // Tests whether the relationship between the content and user has been set.
        $tracker_user = $this->xpath('//tr[@about=:url]//td[contains(@rel, "sioc:has_creator")]//*[contains(@typeof, "sioc:UserAccount") and contains(@property, "foaf:name")]', array(
            ':url' => $url,
        ));
        $this->assertTrue(!empty($tracker_user), format_string('Typeof and name property attributes found on @user.', array(
            '@user' => $user,
        )));
        // There should be an about attribute on logged in users and no about
        // attribute for anonymous users.
        $tracker_user = $this->xpath('//tr[@about=:url]//td[@rel="sioc:has_creator"]/*[@about]', array(
            ':url' => $url,
        ));
        if ($node->uid == 0) {
            $this->assertTrue(empty($tracker_user), format_string('No about attribute is present on @user.', array(
                '@user' => $user,
            )));
        }
        elseif ($node->uid > 0) {
            $this->assertTrue(!empty($tracker_user), format_string('About attribute is present on @user.', array(
                '@user' => $user,
            )));
        }
        // Tests whether the property has been set for number of comments.
        $tracker_replies = $this->xpath('//tr[@about=:url]//td[contains(@property, "sioc:num_replies") and contains(@content, "0") and @datatype="xsd:integer"]', array(
            ':url' => $url,
        ));
        $this->assertTrue($tracker_replies, format_string('Num replies property and content attributes found on @user content.', array(
            '@user' => $user,
        )));
        // Tests that the appropriate RDFa markup to annotate the latest activity
        // date has been added to the tracker output before comments have been
        // posted, meaning the latest activity reflects changes to the node itself.
        $isoDate = date('c', $node->changed);
        $tracker_activity = $this->xpath('//tr[@about=:url]//td[contains(@property, "dc:modified") and contains(@property, "sioc:last_activity_date") and contains(@datatype, "xsd:dateTime") and @content=:date]', array(
            ':url' => $url,
            ':date' => $isoDate,
        ));
        $this->assertTrue(!empty($tracker_activity), format_string('Latest activity date and changed properties found when there are no comments on @user content. Latest activity date content is correct.', array(
            '@user' => $user,
        )));
        // Tests that the appropriate RDFa markup to annotate the latest activity
        // date has been added to the tracker output after a comment is posted.
        $comment = array(
            'subject' => $this->randomName(),
            'comment_body[' . LANGUAGE_NONE . '][0][value]' => $this->randomName(),
        );
        $this->drupalPost('comment/reply/' . $node->nid, $comment, t('Save'));
        $this->drupalGet('tracker');
        // Tests whether the property has been set for number of comments.
        $tracker_replies = $this->xpath('//tr[@about=:url]//td[contains(@property, "sioc:num_replies") and contains(@content, "1") and @datatype="xsd:integer"]', array(
            ':url' => $url,
        ));
        $this->assertTrue($tracker_replies, format_string('Num replies property and content attributes found on @user content.', array(
            '@user' => $user,
        )));
        // Need to query database directly to obtain last_activity_date because
        // it cannot be accessed via node_load().
        $result = db_query('SELECT t.changed FROM {tracker_node} t WHERE t.nid = (:nid)', array(
            ':nid' => $node->nid,
        ));
        foreach ($result as $node) {
            $expected_last_activity_date = $node->changed;
        }
        $isoDate = date('c', $expected_last_activity_date);
        $tracker_activity = $this->xpath('//tr[@about=:url]//td[@property="sioc:last_activity_date" and @datatype="xsd:dateTime" and @content=:date]', array(
            ':url' => $url,
            ':date' => $isoDate,
        ));
        $this->assertTrue(!empty($tracker_activity), format_string('Latest activity date found when there are comments on @user content. Latest activity date content is correct.', array(
            '@user' => $user,
        )));
    }

}