Ticket #16215: revisions.php

<?php
/**
 * @group revisions
 */
class Tests_Revisions extends WP_UnitTestCase {

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

        }

        function tearDown() {
                parent::tearDown();
        }
        //function to get correctly stored user_ud if available (patch)
        protected function _get_revision_author( $revision ) {
        if ( ! $revision_author_id = get_post_meta( $revision->ID, '_edit_last', true ) ) { 
                        $revision_author_id = $revision->post_author; 
                }
        return $revision_author_id;
        }
/**
 * bug 16215
 */
        function test_revision_user_correct() {
                $user_id_1 = $this->factory->user->create( array( 'role' => 'administrator', 'user_login' => 'user 1' ) );
                
                wp_set_current_user( $user_id_1 );
                $post = array( 'post_author' => $user_id_1, 'post_title' => 'revisions' );
                $post_id = wp_insert_post($post);       //create a new post
                wp_publish_post( $post_id );            //and publish it
                wp_update_post( array( 'post_content'   => 'revised by user_1', 'ID' => $post_id ) );   //update content

                $on_user = 0;
                $revisions = wp_get_post_revisions( $post_id );
                $expected_post_author_ids = $arrayName = array( $user_id_1, $user_id_1, ); //two revisions so far
                foreach ( $revisions as $revision ) {
                        $this->assertEquals( $expected_post_author_ids[ $on_user++ ], $this->_get_revision_author( $revision ));
                }

                //second user revisions
                $user_id_2 = $this->factory->user->create( array( 'role' => 'administrator', 'user_login' => 'user 2'  ) );
                wp_set_current_user( $user_id_2 );
                wp_update_post( array( 'post_content'   => 'revised by user_2', 'ID' => $post_id ) );
                $revisions = wp_get_post_revisions( $post_id );
                $expected_post_author_ids = $arrayName = array( $user_id_2, $user_id_1, $user_id_1,  ); //three revisions
                $on_user = 0;
                foreach ( $revisions as $revision ) {
                        if ( wp_is_post_revision( $revision )&& !wp_is_post_autosave( $revision ) ) {
                                $this->assertEquals( $expected_post_author_ids[ $on_user++ ], $this->_get_revision_author( $revision ));
                        }
                }
                
                //third user revisions
                $user_id_3 = $this->factory->user->create( array( 'role' => 'administrator', 'user_login' => 'user 3'  ) );
                wp_set_current_user( $user_id_3 );
                wp_update_post( array( 'post_content'   => 'revised by user_3', 'ID' => $post_id ) );
                //wp_save_post_revision( $post_id );
                $revisions = wp_get_post_revisions( $post_id );
                $expected_post_author_ids = $arrayName = array( $user_id_3, $user_id_2, $user_id_1, $user_id_1,  ); //four revisions
                $on_user = 0;
                foreach ( $revisions as $revision ) {
                        if ( wp_is_post_revision( $revision )&& !wp_is_post_autosave( $revision ) ) {
                                $this->assertEquals( $expected_post_author_ids[ $on_user++ ], $this->_get_revision_author( $revision ));
                        }
                }
        }
}