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

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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 sys
import textwrap import textwrap
import unittest import unittest
import subprocess from subprocess import Popen, PIPE
from test import support from test import support
from test.support.script_helper import assert_python_ok from test.support.script_helper import assert_python_ok
@ -61,12 +61,11 @@ class TestTool(unittest.TestCase):
""") """)
def test_stdin_stdout(self): def test_stdin_stdout(self):
with subprocess.Popen( args = sys.executable, '-m', 'json.tool'
(sys.executable, '-m', 'json.tool'), with Popen(args, stdin=PIPE, stdout=PIPE, stderr=PIPE) as proc:
stdin=subprocess.PIPE, stdout=subprocess.PIPE) as proc:
out, err = proc.communicate(self.data.encode()) out, err = proc.communicate(self.data.encode())
self.assertEqual(out.splitlines(), self.expect.encode().splitlines()) self.assertEqual(out.splitlines(), self.expect.encode().splitlines())
self.assertEqual(err, None) self.assertEqual(err, b'')
def _create_infile(self): def _create_infile(self):
infile = support.TESTFN infile = support.TESTFN