我正在尝试模拟以下功能
def run_query():
sql_cmd = "Some Query"
process = Popen(["sqlplus", "-S", "/", "as", "sysdba"], stdin=PIPE, stdout=PIPE, stderr=PIPE)
process.stdin.write(sql_cmd)
(process_stdout, process_stderr) = process.communicate()
下面是我编写的测试函数:
@patch('subprocess.Popen')
def test_run_query(Popen):
Popen.return_value.communicate.return_value = (2, 1)
但是,我遇到了错误
Error occured while running sql command
Error output:
[Errno 2] No such file or directory
F
我尝试了其他stackoverflow帖子,但是这种示例不存在。请帮忙。
您在错误的地方打补丁。
您需要在使用它的名称空间中修补Popen
:
@patch('mypackage.mymodule.Popen')
def test_run_query(Popen):
Popen.return_value.communicate.return_value = "2", "1"
其中“ mypackage / mymodule.py”