def insertDomain(self, domain, indegree=0, outdegree=0):
		'''增加一个域名'''
		cur = self.conn.cursor()
		cur.execute("INSERT INTO Domains VALUES (NULL,?,?,?)", (domain, indegree, outdegree))
		# 写入到文件中
		self.conn.commit()
def test_engine_module_name():
    engine = salt.engines.Engine({}, "foobar.start", {}, {}, {}, {}, name="foobar")
    assert engine.name == "foobar"