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Fix stderr bug in json.tool test (#346) 

See https://github.com/python/cpython/pull/201#discussion_r103229425.
This commit is contained in:
Daniel Himmelstein 2017-03-15 10:31:06 -04:00 committed by Berker Peksag
parent 6c3d527468
commit b4e9087e7b
1 changed files with 4 additions and 5 deletions
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9
Lib/test/test_json/test_tool.py
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@ -2,7 +2,7 @@ import os
import sys
import textwrap
import unittest
import subprocess
from subprocess import Popen, PIPE
from test import support
from test.support.script_helper import assert_python_ok
@ -61,12 +61,11 @@ class TestTool(unittest.TestCase):
""")
def test_stdin_stdout(self):
with subprocess.Popen(
(sys.executable, '-m', 'json.tool'),
stdin=subprocess.PIPE, stdout=subprocess.PIPE) as proc:
args = sys.executable, '-m', 'json.tool'
with Popen(args, stdin=PIPE, stdout=PIPE, stderr=PIPE) as proc:
out, err = proc.communicate(self.data.encode())
self.assertEqual(out.splitlines(), self.expect.encode().splitlines())
self.assertEqual(err, None)
self.assertEqual(err, b'')
def _create_infile(self):
infile = support.TESTFN