Suzanno Hogwarts :
I have a code where i need to check if password entered is empty. If yes, print message and exit from the script.
I am using pytest to validate this code and capturing the output using capsys fixture.
But capsys.readouterr() is not capturing the output.
Code to Test
def get_password():
password = getpass.getpass('Password required :', stream=None)
if not password:
print("NoPasswordError: Password not provided.Exiting from run")
'''return -1'''
sys.exit(-1)
else:
return password
pytest code
def test_input_validation_nopass(self,getpass,capsys):
getpass.return_value = ''
get_password()
out, err = capsys.readouterr()
sys.stdout.write(out)
assert re.match('NoPasswordError',out,re.I)
However if I remove the sys.exit and place return, the output is captured.
Currently I am getting below error:
pytest -q UnitTest.py -k test_input_validation_nopass -rx -rP
F [100%]
=============================================================================== FAILURES ================================================================================
________________________________________________________________ TestClass.test_input_validation_nopass _________________________________________________________________
self = <UnitTest_buildUpgrade.TestClass object at 0x10d179978>, getpass = <MagicMock name='getpass' id='4514617832'>
capsys = <_pytest.capture.CaptureFixture object at 0x10d179a20>
def test_input_validation_nopass(self,getpass,capsys):
getpass.return_value = ''
> get_password()
UnitTest_buildUpgrade.py:78:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
def get_password():
password = getpass.getpass('Password required :', stream=None)
if not password:
print("NoPasswordError: Password not provided .Exiting from run")
'''return -1'''
> sys.exit(-1)
E SystemExit: -1
CitrixADCUpgrade.py:19: SystemExit
------------------------------------------------------------------------- Captured stdout call --------------------------------------------------------------------------
NoPasswordError: Password not providedExiting from run
1 failed, 7 deselected in 0.45s
hoefling :
Calling sys.exit will raise a SystemExit. You need to catch this exception in the test:
import pytest
def test_input_validation_nopass(getpass, capsys):
getpass.return_value = ''
with pytest.raises(SystemExit):
get_password()
out, err = capsys.readouterr()
assert re.match('NoPasswordError', out, re.I)
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