Ticket #23167: 23167-ut.2.diff

tests/post/getPages.php

@@ +1 @@
+<?php
+
+/**
+ * @group post
+ */
+
+class Tests_Post_getPages extends WP_UnitTestCase {
+        function setUp() {
+                parent::setUp();
+        }
+
+        function test_get_pages_cache() {
+                global $wpdb;
+
+                $this->factory->post->create_many( 15, array( 'post_type' => 'page' ) );
+                $this->assertFalse( wp_cache_get( 'last_changed', 'posts' ) );
+
+                $pages = get_pages();
+                $this->assertEquals( 15, count( $pages ) );
+                $this->assertEquals( 1, wp_cache_get( 'last_changed', 'posts' ) );
+                $num_queries = $wpdb->num_queries;
+
+                // Again. num_queries and last_changed should remain the same.
+                $pages = get_pages();
+                $this->assertEquals( 15, count( $pages ) );
+                $this->assertEquals( 1, wp_cache_get( 'last_changed', 'posts' ) );
+                $this->assertEquals( $num_queries, $wpdb->num_queries );
+
+                // Again with different args. last_changed should not increment because of
+                // different args to get_pages(). num_queries should bump by 1.
+                $pages = get_pages( array( 'number' => 10 ) );
+                $this->assertEquals( 10, count( $pages ) );
+                $this->assertEquals( 1, wp_cache_get( 'last_changed', 'posts' ) );
+                $this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+
+                $num_queries = $wpdb->num_queries;
+
+                // Again. num_queries and last_changed should remain the same.
+                $pages = get_pages( array( 'number' => 10 ) );
+                $this->assertEquals( 10, count( $pages ) );
+                $this->assertEquals( 1, wp_cache_get( 'last_changed', 'posts' ) );
+                $this->assertEquals( $num_queries, $wpdb->num_queries );
+
+                // Do the first query again. The interim queries should not affect it.
+                $pages = get_pages();
+                $this->assertEquals( 15, count( $pages ) );
+                $this->assertEquals( 1, wp_cache_get( 'last_changed', 'posts' ) );
+                $this->assertEquals( $num_queries, $wpdb->num_queries );
+
+                // Force last_changed to increment.
+                clean_post_cache( $pages[0]->ID );
+                $this->assertEquals( 2, wp_cache_get( 'last_changed', 'posts' ) );
+
+                $num_queries = $wpdb->num_queries;
+
+                // last_changed bumped so num_queries should increment.
+                $pages = get_pages( array( 'number' => 10 ) );
+                $this->assertEquals( 10, count( $pages ) );
+                $this->assertEquals( 2, wp_cache_get( 'last_changed', 'posts' ) );
+                $this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+
+                $last_changed = wp_cache_get( 'last_changed', 'posts' );
+
+                // This should bump last_changed.
+                wp_delete_post( $pages[0]->ID );
+                $this->assertGreaterThan( $last_changed, wp_cache_get( 'last_changed', 'posts' ) );
+
+                $num_queries = $wpdb->num_queries;
+                $last_changed = wp_cache_get( 'last_changed', 'posts' );
+
+                // num_queries should bump after wp_delete_post() bumps last_changed.
+                $pages = get_pages();
+                $this->assertEquals( 14, count( $pages ) );
+                $this->assertEquals( $last_changed, wp_cache_get( 'last_changed', 'posts' ) );
+                $this->assertEquals( $num_queries + 1, $wpdb->num_queries );
+        }
+}
+ No newline at end of file