tests: adds mysql.format() coverage

Author: dresende

test/integration/connection/test-format.js

@@ -0,0 +1,14 @@
+var path   = require('path');
+var assert = require('assert');
+var common = require('../../common');
+var lib    = require(path.resolve(common.lib, '../index'));
+
+assert.equal(
+	lib.format('SELECT * FROM ?? WHERE ?? = ?', [ 'table', 'property', 123 ]),
+	'SELECT * FROM `table` WHERE `property` = 123'
+);
+
+assert.equal(
+	lib.format('INSERT INTO ?? SET ?', [ 'table', { property: 123 } ]),
+	'INSERT INTO `table` SET `property` = 123'
+);