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Issue #12400: runtest() reuses the same io.StringIO instance for all calls

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* Don't force verbose to True with option -W
 * Rename rerun_failed variable to output_on_failure
This commit is contained in:
Victor Stinner 2011-06-29 15:22:26 +02:00
parent 46b2091146
commit 8313d6aef8
1 changed files with 36 additions and 27 deletions
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63
Lib/test/regrtest.py
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@ -154,22 +154,23 @@ option '-uall,-gui'.
"""
import builtins
import errno
import getopt
import io
import json
import logging
import os
import platform
import random
import re
import sys
import time
import errno
import traceback
import warnings
import unittest
from inspect import isabstract
import tempfile
import platform
import sysconfig
import logging
import tempfile
import time
import traceback
import unittest
import warnings
from inspect import isabstract
# Some times __path__ and __file__ are not absolute (e.g. while running from
@ -535,7 +536,7 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
args_tuple = (
(test, verbose, quiet),
dict(huntrleaks=huntrleaks, use_resources=use_resources,
debug=debug, rerun_failed=verbose3)
debug=debug, output_on_failure=verbose3)
)
yield (test, args_tuple)
pending = tests_and_args()
@ -613,7 +614,7 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
else:
try:
result = runtest(test, verbose, quiet, huntrleaks, debug,
rerun_failed=verbose3)
output_on_failure=verbose3)
accumulate_result(test, result)
except KeyboardInterrupt:
interrupted = True
@ -760,7 +761,7 @@ def replace_stdout():
def runtest(test, verbose, quiet,
huntrleaks=False, debug=False, use_resources=None,
rerun_failed=False):
output_on_failure=False):
"""Run a single test.
test -- the name of the test
@ -769,7 +770,7 @@ def runtest(test, verbose, quiet,
test_times -- a list of (time, test_name) pairs
huntrleaks -- run multiple times to test for leaks; requires a debug
build; a triple corresponding to -R's three arguments
rerun_failed -- if true, re-run in verbose mode when failed
output_on_failure -- if true, display test output on failure
Returns one of the test result constants:
INTERRUPTED KeyboardInterrupt when run under -j
@ -783,27 +784,35 @@ def runtest(test, verbose, quiet,
if use_resources is not None:
support.use_resources = use_resources
try:
if rerun_failed:
support.verbose = True
support.verbose = verbose # Tell tests to be moderately quiet
if output_on_failure:
if runtest.stringio is None:
# Reuse the same instance to all calls to runtest(). Some
# tests keep a reference to sys.stdout or sys.stderr
# (eg. test_argparse).
runtest.stringio = io.StringIO()
orig_stdout = sys.stdout
orig_stderr = sys.stderr
with support.captured_stdout() as stream:
try:
sys.stderr = stream
result = runtest_inner(test, verbose, quiet, huntrleaks,
debug, display_failure=False)
if result[0] == FAILED:
output = stream.getvalue()
orig_stderr.write(output)
orig_stderr.flush()
finally:
sys.stderr = orig_stderr
try:
sys.stdout = runtest.stringio
sys.stderr = runtest.stringio
result = runtest_inner(test, verbose, quiet, huntrleaks,
debug, display_failure=False)
if result[0] == FAILED:
output = stringio.getvalue()
orig_stderr.write(output)
orig_stderr.flush()
finally:
sys.stdout = orig_stdout
sys.stderr = orig_stderr
else:
support.verbose = verbose # Tell tests to be moderately quiet
result = runtest_inner(test, verbose, quiet, huntrleaks, debug,
display_failure=not verbose)
return result
finally:
cleanup_test_droppings(test, verbose)
runtest.stringio = None
# Unit tests are supposed to leave the execution environment unchanged
# once they complete. But sometimes tests have bugs, especially when