76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
import sys
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import re
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from joblib.testing import raises, check_subprocess_call
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def test_check_subprocess_call():
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code = '\n'.join(['result = 1 + 2 * 3',
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'print(result)',
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'my_list = [1, 2, 3]',
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'print(my_list)'])
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check_subprocess_call([sys.executable, '-c', code])
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# Now checking stdout with a regex
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check_subprocess_call([sys.executable, '-c', code],
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# Regex needed for platform-specific line endings
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stdout_regex=r'7\s{1,2}\[1, 2, 3\]')
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def test_check_subprocess_call_non_matching_regex():
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code = '42'
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non_matching_pattern = '_no_way_this_matches_anything_'
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with raises(ValueError) as excinfo:
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check_subprocess_call([sys.executable, '-c', code],
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stdout_regex=non_matching_pattern)
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excinfo.match('Unexpected stdout.+{}'.format(non_matching_pattern))
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def test_check_subprocess_call_wrong_command():
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wrong_command = '_a_command_that_does_not_exist_'
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with raises(OSError):
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check_subprocess_call([wrong_command])
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def test_check_subprocess_call_non_zero_return_code():
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code_with_non_zero_exit = '\n'.join([
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'import sys',
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'print("writing on stdout")',
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'sys.stderr.write("writing on stderr")',
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'sys.exit(123)'])
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pattern = re.compile('Non-zero return code: 123.+'
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'Stdout:\nwriting on stdout.+'
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'Stderr:\nwriting on stderr', re.DOTALL)
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with raises(ValueError) as excinfo:
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check_subprocess_call([sys.executable, '-c', code_with_non_zero_exit])
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excinfo.match(pattern)
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def test_check_subprocess_call_timeout():
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code_timing_out = '\n'.join([
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'import time',
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'import sys',
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'print("before sleep on stdout")',
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'sys.stdout.flush()',
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'sys.stderr.write("before sleep on stderr")',
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'sys.stderr.flush()',
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# We need to sleep for at least 2 * timeout seconds in case the SIGKILL
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# is triggered.
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'time.sleep(10)',
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'print("process should have be killed before")',
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'sys.stdout.flush()'])
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pattern = re.compile('Non-zero return code:.+'
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'Stdout:\nbefore sleep on stdout\\s+'
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'Stderr:\nbefore sleep on stderr',
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re.DOTALL)
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with raises(ValueError) as excinfo:
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check_subprocess_call([sys.executable, '-c', code_timing_out],
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timeout=1)
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excinfo.match(pattern)
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