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test-systemd-tmpfiles: Fix execution when user is not in /etc/passwd

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We might be running in a chroot as a uid that doesn't exist in /etc/passwd.
Let's make sure we don't fail in this scenario.

We pass $HOME when resetting the env so that we can find a home directory
and skip tests that depend on user name/group.
This commit is contained in:
Daan De Meyer 2023-01-28 15:09:25 +01:00 committed by Luca Boccassi
parent 98a6d8505d
commit 60f42f7ec2
1 changed files with 15 additions and 5 deletions
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20
test/test-systemd-tmpfiles.py
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@ -72,7 +72,7 @@ def test_uninitialized_t():
return
test_line('w /foo - - - - "specifier for --user %t"',
user=True, returncode=0, extra={'env':{}})
user=True, returncode=0, extra={'env':{'HOME': os.getenv('HOME')}})
def test_content(line, expected, *, user, extra={}, subpath='/arg', path_cb=None):
d = tempfile.TemporaryDirectory(prefix='test-systemd-tmpfiles.')
@ -101,11 +101,21 @@ def test_valid_specifiers(*, user):
test_content('f {} - - - - %U', '{}'.format(os.getuid() if user else 0), user=user)
test_content('f {} - - - - %G', '{}'.format(os.getgid() if user else 0), user=user)
puser = pwd.getpwuid(os.getuid() if user else 0)
test_content('f {} - - - - %u', '{}'.format(puser.pw_name), user=user)
try:
puser = pwd.getpwuid(os.getuid() if user else 0)
except KeyError:
puser = None
pgroup = grp.getgrgid(os.getgid() if user else 0)
test_content('f {} - - - - %g', '{}'.format(pgroup.gr_name), user=user)
if puser:
test_content('f {} - - - - %u', '{}'.format(puser.pw_name), user=user)
try:
pgroup = grp.getgrgid(os.getgid() if user else 0)
except KeyError:
pgroup = None
if pgroup:
test_content('f {} - - - - %g', '{}'.format(pgroup.gr_name), user=user)
# Note that %h is the only specifier in which we look the environment,
# because we check $HOME. Should we even be doing that?