23 lines
796 B
Python
23 lines
796 B
Python
import os
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import shutil
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from subprocess import run, PIPE
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import pytest
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@pytest.mark.usefixtures('both_debug_modes', 'both_setsid_modes')
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def test_working_directories():
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"""The child process must start in the working directory in which
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dumb-init was invoked, but dumb-init itself should not keep a
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reference to that."""
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# We need absolute path to dumb-init since we pass cwd=/tmp to get
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# predictable output - so we can't rely on dumb-init being found
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# in the "." directory.
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dumb_init = os.path.realpath(shutil.which('dumb-init'))
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proc = run((dumb_init,
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'sh', '-c', 'readlink /proc/$PPID/cwd && readlink /proc/$$/cwd'),
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cwd="/tmp", stdout=PIPE, stderr=PIPE)
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assert proc.returncode == 0
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assert proc.stdout == b'/\n/tmp\n'
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