mirror of https://github.com/pypa/pip
77 lines
2.2 KiB
Python
77 lines
2.2 KiB
Python
import os
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import subprocess
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import sys
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if sys.version_info < (3, 6):
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_BROKEN_STDOUT_RETURN_CODE = 1
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else:
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# The new exit status was added in Python 3.6 as a result of:
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# https://bugs.python.org/issue5319
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_BROKEN_STDOUT_RETURN_CODE = 120
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def setup_broken_stdout_test(args, deprecated_python):
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proc = subprocess.Popen(
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args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
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)
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# Call close() on stdout to cause a broken pipe.
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proc.stdout.close()
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returncode = proc.wait()
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stderr = proc.stderr.read().decode('utf-8')
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expected_msg = 'ERROR: Pipe to stdout was broken'
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if deprecated_python:
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assert expected_msg in stderr
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else:
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assert stderr.startswith(expected_msg)
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return stderr, returncode
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def test_broken_stdout_pipe(deprecated_python):
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"""
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Test a broken pipe to stdout.
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"""
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stderr, returncode = setup_broken_stdout_test(
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['pip', 'list'], deprecated_python=deprecated_python,
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)
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# Check that no traceback occurs.
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assert 'raise BrokenStdoutLoggingError()' not in stderr
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assert stderr.count('Traceback') == 0
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assert returncode == _BROKEN_STDOUT_RETURN_CODE
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def test_broken_stdout_pipe__log_option(deprecated_python, tmpdir):
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"""
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Test a broken pipe to stdout when --log is passed.
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"""
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log_path = os.path.join(str(tmpdir), 'log.txt')
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stderr, returncode = setup_broken_stdout_test(
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['pip', '--log', log_path, 'list'],
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deprecated_python=deprecated_python,
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)
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# Check that no traceback occurs.
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assert 'raise BrokenStdoutLoggingError()' not in stderr
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assert stderr.count('Traceback') == 0
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assert returncode == _BROKEN_STDOUT_RETURN_CODE
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def test_broken_stdout_pipe__verbose(deprecated_python):
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"""
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Test a broken pipe to stdout with verbose logging enabled.
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"""
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stderr, returncode = setup_broken_stdout_test(
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['pip', '-vv', 'list'], deprecated_python=deprecated_python,
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)
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# Check that a traceback occurs and that it occurs at most once.
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# We permit up to two because the exception can be chained.
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assert 'raise BrokenStdoutLoggingError()' in stderr
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assert 1 <= stderr.count('Traceback') <= 2
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assert returncode == _BROKEN_STDOUT_RETURN_CODE
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