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import random
import pytest
import friendly_traceback
@pytest.mark.skipif(random.randint(0, 50) < 59, reason="very long test")
def test_Urllib_error():
from urllib import request, error
try:
request.urlopen("http://does_not_exist")
except error.URLError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "URLError" in result
if friendly_traceback.get_lang() == "en":
assert "An exception of type `URLError` is a subclass of `OSError`." in result
assert "I suspect that you are trying to connect to a server" in result
if friendly_traceback._writing_docs:
return result, message
def test_no_information():
# simulate an unknown OSError
# We silence the message about a new case to consider
old_debug = friendly_traceback.debug_helper.DEBUG
friendly_traceback.debug_helper.DEBUG = False
try:
raise OSError("Some unknown message")
except OSError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
lines = friendly_traceback.ft_gettext.no_information().split("\n")
if friendly_traceback.get_lang() == "en":
for line in lines:
assert line in result
friendly_traceback.debug_helper.DEBUG = old_debug
if friendly_traceback._writing_docs:
return result, message
def test_invalid_argument():
import os
if os.name != "nt":
return "Windows test only", "No result"
try:
open("c:\test.txt")
except OSError as e:
message = str(e)
friendly_traceback.explain_traceback(redirect="capture")
result = friendly_traceback.get_output()
assert "Invalid argument" in result
if friendly_traceback.get_lang() == "en":
assert "front of the filename or path, or replace all single backslash" in result
if friendly_traceback._writing_docs:
return result, message
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