Unique columns test

libraries/dbi/dummy.lib.php

@@ -111,6 +111,10 @@ $GLOBALS['dummy_queries'] = array(
             array('o', 'int(11)', 'NO', 'MUL', 'NULL', ''),
         )
     ),
+    array(
+        'query' => 'SHOW INDEXES FROM `pma_test`.`table1` WHERE (Non_unique = 0)',
+        'result' => array(),
+    ),
     array(
         'query' => 'SHOW COLUMNS FROM `pma_test`.`table2`',
         'columns' => array(

test/classes/PMA_Table_test.php

@@ -83,5 +83,19 @@ class PMA_Table_Test extends PHPUnit_Framework_TestCase
             $table->getColumns()
         );
     }
+
+    /**
+     * Test getting unique columns
+     *
+     * @return void
+     */
+    public function testUniqueColumns()
+    {
+        $table = new PMA_Table('table1', 'pma_test');
+        $this->assertEquals(
+            array(),
+            $table->getUniqueColumns()
+        );
+    }
 }