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<title>[40122] trunk: REST API: Fix behavior of `sticky` posts filter when no posts are sticky.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/40122">40122</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/40122","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>jnylen0</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-02-25 05:02:17 +0000 (Sat, 25 Feb 2017)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>REST API: Fix behavior of `sticky` posts filter when no posts are sticky.
Previously, when getting posts from the API with `sticky=true`, if there were no sticky posts set, the query would return all posts as if the `sticky` argument was not set. In this situation, the query should return an empty array instead.
A `sticky=true` query that should return an empty array (in the previous situation, or with `include` and no intersecting post IDs) was also broken in that it would query the post with ID 1.
Finally, this commit significantly improves test coverage for the `sticky` filter argument, including direct testing of the `WHERE` clauses generated by `WP_Query`.
Props ryelle.
Fixes <a href="https://core.trac.wordpress.org/ticket/39947">#39947</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrestapiendpointsclasswprestpostscontrollerphp">trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestpostscontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesrestapiendpointsclasswprestpostscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php 2017-02-25 04:45:52 UTC (rev 40121)
+++ trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php 2017-02-25 05:02:17 UTC (rev 40122)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -220,7 +220,10 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if ( isset( $registered['sticky'], $request['sticky'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $sticky_posts = get_option( 'sticky_posts', array() );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( $sticky_posts && $request['sticky'] ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! is_array( $sticky_posts ) ) {
+ $sticky_posts = array();
+ }
+ if ( $request['sticky'] ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> /*
</span><span class="cx" style="display: block; padding: 0 10px"> * As post__in will be used to only get sticky posts,
</span><span class="cx" style="display: block; padding: 0 10px"> * we have to support the case where post__in was already
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -234,7 +237,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * so we have to fake it a bit.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> if ( ! $args['post__in'] ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $args['post__in'] = array( -1 );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $args['post__in'] = array( 0 );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> } elseif ( $sticky_posts ) {
</span><span class="cx" style="display: block; padding: 0 10px"> /*
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestpostscontrollerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php 2017-02-25 04:45:52 UTC (rev 40121)
+++ trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php 2017-02-25 05:02:17 UTC (rev 40122)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -20,7 +20,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> protected static $supported_formats;
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> protected $forbidden_cat;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- protected $posts_orderby;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ protected $posts_clauses;
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> public static function wpSetUpBeforeClass( $factory ) {
</span><span class="cx" style="display: block; padding: 0 10px"> self::$post_id = $factory->post->create();
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -68,25 +68,34 @@
</span><span class="cx" style="display: block; padding: 0 10px"> parent::setUp();
</span><span class="cx" style="display: block; padding: 0 10px"> register_post_type( 'youseeme', array( 'supports' => array(), 'show_in_rest' => true ) );
</span><span class="cx" style="display: block; padding: 0 10px"> add_filter( 'rest_pre_dispatch', array( $this, 'wpSetUpBeforeRequest' ), 10, 3 );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- add_filter( 'posts_orderby', array( $this, 'save_posts_orderby' ), 10, 2 );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ add_filter( 'posts_clauses', array( $this, 'save_posts_clauses' ), 10, 2 );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> public function wpSetUpBeforeRequest( $result, $server, $request ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $this->posts_orderby = array();
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $this->posts_clauses = array();
</ins><span class="cx" style="display: block; padding: 0 10px"> return $result;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- public function save_posts_orderby( $orderby, $query ) {
- array_push( $this->posts_orderby, $orderby );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function save_posts_clauses( $orderby, $query ) {
+ array_push( $this->posts_clauses, $orderby );
</ins><span class="cx" style="display: block; padding: 0 10px"> return $orderby;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- public function assertPostsOrderedBy( $pattern ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function assertPostsClause( $clause, $pattern ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> global $wpdb;
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $orderby = str_replace( '{posts}', $wpdb->posts, $pattern );
- $this->assertEquals( array( $orderby ), $this->posts_orderby );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $expected_clause = str_replace( '{posts}', $wpdb->posts, $pattern );
+ $this->assertCount( 1, $this->posts_clauses );
+ $this->assertEquals( $expected_clause, $this->posts_clauses[0][ $clause ] );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function assertPostsOrderedBy( $pattern ) {
+ $this->assertPostsClause( 'orderby', $pattern );
+ }
+
+ public function assertPostsWhere( $pattern ) {
+ $this->assertPostsClause( 'where', $pattern );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> public function test_register_routes() {
</span><span class="cx" style="display: block; padding: 0 10px"> $routes = $this->server->get_routes();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -690,7 +699,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertErrorResponse( 'rest_invalid_param', $response, 400 );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- public function test_get_items_sticky_query() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function test_get_items_sticky() {
</ins><span class="cx" style="display: block; padding: 0 10px"> $id1 = self::$post_id;
</span><span class="cx" style="display: block; padding: 0 10px"> $id2 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -711,7 +720,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertErrorResponse( 'rest_invalid_param', $response, 400 );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- public function test_get_items_sticky_with_post__in_query() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function test_get_items_sticky_with_include() {
</ins><span class="cx" style="display: block; padding: 0 10px"> $id1 = self::$post_id;
</span><span class="cx" style="display: block; padding: 0 10px"> $id2 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
</span><span class="cx" style="display: block; padding: 0 10px"> $id3 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -725,6 +734,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $response = $this->server->dispatch( $request );
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertCount( 0, $response->get_data() );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // FIXME Since this request returns zero posts, the query is executed twice.
+ $this->assertCount( 2, $this->posts_clauses );
+ $this->posts_clauses = array_slice( $this->posts_clauses, 0, 1 );
+
+ $this->assertPostsWhere( " AND {posts}.ID IN (0) AND {posts}.post_type = 'post' AND (({posts}.post_status = 'publish'))" );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> update_option( 'sticky_posts', array( $id1, $id2 ) );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $request = new WP_REST_Request( 'GET', '/wp/v2/posts' );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -738,10 +753,49 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $posts = $response->get_data();
</span><span class="cx" style="display: block; padding: 0 10px"> $post = $posts[0];
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( $id1, $post['id'] );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ $this->assertPostsWhere( " AND {posts}.ID IN ($id1) AND {posts}.post_type = 'post' AND (({posts}.post_status = 'publish'))" );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- public function test_get_items_not_sticky_query() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function test_get_items_sticky_no_sticky_posts() {
</ins><span class="cx" style="display: block; padding: 0 10px"> $id1 = self::$post_id;
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ update_option( 'sticky_posts', array() );
+
+ $request = new WP_REST_Request( 'GET', '/wp/v2/posts' );
+ $request->set_param( 'sticky', true );
+
+ $response = $this->server->dispatch( $request );
+ $this->assertCount( 0, $response->get_data() );
+
+ // FIXME Since this request returns zero posts, the query is executed twice.
+ $this->assertCount( 2, $this->posts_clauses );
+ $this->posts_clauses = array_slice( $this->posts_clauses, 0, 1 );
+
+ $this->assertPostsWhere( " AND {posts}.ID IN (0) AND {posts}.post_type = 'post' AND (({posts}.post_status = 'publish'))" );
+ }
+
+ public function test_get_items_sticky_with_include_no_sticky_posts() {
+ $id1 = self::$post_id;
+
+ update_option( 'sticky_posts', array() );
+
+ $request = new WP_REST_Request( 'GET', '/wp/v2/posts' );
+ $request->set_param( 'sticky', true );
+ $request->set_param( 'include', array( $id1 ) );
+
+ $response = $this->server->dispatch( $request );
+ $this->assertCount( 0, $response->get_data() );
+
+ // FIXME Since this request returns zero posts, the query is executed twice.
+ $this->assertCount( 2, $this->posts_clauses );
+ $this->posts_clauses = array_slice( $this->posts_clauses, 0, 1 );
+
+ $this->assertPostsWhere( " AND {posts}.ID IN (0) AND {posts}.post_type = 'post' AND (({posts}.post_status = 'publish'))" );
+ }
+
+ public function test_get_items_not_sticky() {
+ $id1 = self::$post_id;
</ins><span class="cx" style="display: block; padding: 0 10px"> $id2 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> update_option( 'sticky_posts', array( $id2 ) );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -755,9 +809,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $posts = $response->get_data();
</span><span class="cx" style="display: block; padding: 0 10px"> $post = $posts[0];
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( $id1, $post['id'] );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ $this->assertPostsWhere( " AND {posts}.ID NOT IN ($id2) AND {posts}.post_type = 'post' AND (({posts}.post_status = 'publish'))" );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- public function test_get_items_sticky_with_post__not_in_query() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function test_get_items_not_sticky_with_exclude() {
</ins><span class="cx" style="display: block; padding: 0 10px"> $id1 = self::$post_id;
</span><span class="cx" style="display: block; padding: 0 10px"> $id2 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
</span><span class="cx" style="display: block; padding: 0 10px"> $id3 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -774,8 +830,32 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $posts = $response->get_data();
</span><span class="cx" style="display: block; padding: 0 10px"> $post = $posts[0];
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( $id1, $post['id'] );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ $this->assertPostsWhere( " AND {posts}.ID NOT IN ($id3,$id2) AND {posts}.post_type = 'post' AND (({posts}.post_status = 'publish'))" );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public function test_get_items_not_sticky_with_exclude_no_sticky_posts() {
+ $id1 = self::$post_id;
+ $id2 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
+ $id3 = $this->factory->post->create( array( 'post_status' => 'publish' ) );
+
+ update_option( 'sticky_posts', array() );
+
+ $request = new WP_REST_Request( 'GET', '/wp/v2/posts' );
+ $request->set_param( 'sticky', false );
+ $request->set_param( 'exclude', array( $id3 ) );
+
+ $response = $this->server->dispatch( $request );
+ $this->assertCount( 2, $response->get_data() );
+
+ $posts = $response->get_data();
+ $ids = wp_list_pluck( $posts, 'id' );
+ sort( $ids );
+ $this->assertEquals( array( $id1, $id2 ), $ids );
+
+ $this->assertPostsWhere( " AND {posts}.ID NOT IN ($id3) AND {posts}.post_type = 'post' AND (({posts}.post_status = 'publish'))" );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> public function test_get_items_pagination_headers() {
</span><span class="cx" style="display: block; padding: 0 10px"> // Start of the index
</span><span class="cx" style="display: block; padding: 0 10px"> for ( $i = 0; $i < 49; $i++ ) {
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -2970,7 +3050,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->remove_added_uploads();
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> remove_filter( 'rest_pre_dispatch', array( $this, 'wpSetUpBeforeRequest' ), 10, 3 );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- remove_filter( 'posts_orderby', array( $this, 'save_posts_orderby' ), 10, 2 );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ remove_filter( 'posts_clauses', array( $this, 'save_posts_clauses' ), 10, 2 );
</ins><span class="cx" style="display: block; padding: 0 10px"> parent::tearDown();
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre>
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