Ticket #42409: 42409.test.diff

tests/phpunit/tests/meta/query.php

@@ -884 +884 @@
 
                 $this->assertTrue( $q->has_or_relation() );
         }
+        
+        /**
+         * @ticket 42409
+         * @global type $wpdb
+         */
+        
+        public function test_compare_meta_key(){
+            global $wpdb;
+            $meta_key='foo_bar';
+            $q=new WP_Meta_Query([array(
+                'compare_key'=>'LIKE',
+                'key'=>$meta_key
+                    )]);
+            $sql=$q->get_sql('post', $wpdb->posts, 'ID', $this);
+            
+            $this->assertRegexp("/{$wpdb->postmeta}\.meta_key LIKE %{$wpdb->esc_like($meta_key)}%/", $sql['where']);
+            
+        }
+
 }