Source: diffoscope
Version: 123
Severity: serious
Hello, looks like the latest diffoscope in unstable has a test failure that is
preventing it from entering testing:
snip of the test failure:
ERRORS
ERROR at setup of test_identification _
tmpdir = local('/tmp/pytest-of-debci/pytest-0/test_identification0')
@pytest.fixture
def cmi(tmpdir):
input_ = str(tmpdir.join('{}.mli'.format(prefix)))
output = str(tmpdir.join('{}.cmi'.format(prefix)))
with open(input_, 'w') as f:
pass
> subprocess.check_call(('ocamlc', '-c', input_))
f = <_io.TextIOWrapper
name='/tmp/pytest-of-debci/pytest-0/test_identification0/test1.mli' mode='w'
encoding='UTF-8'>
input_ = '/tmp/pytest-of-debci/pytest-0/test_identification0/test1.mli'
output = '/tmp/pytest-of-debci/pytest-0/test_identification0/test1.cmi'
prefix = 'test1'
tmpdir = local('/tmp/pytest-of-debci/pytest-0/test_identification0')
tests/comparators/test_ocaml.py:41:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
/usr/lib/python3.7/subprocess.py:342: in check_call
retcode = call(*popenargs, **kwargs)
/usr/lib/python3.7/subprocess.py:323: in call
with Popen(*popenargs, **kwargs) as p:
/usr/lib/python3.7/subprocess.py:775: in __init__
restore_signals, start_new_session)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
self =
args = ['ocamlc', '-c',
'/tmp/pytest-of-debci/pytest-0/test_identification0/test1.mli']
executable = b'ocamlc', preexec_fn = None, close_fds = True, pass_fds = ()
cwd = None, env = None, startupinfo = None, creationflags = 0, shell = False
p2cread = -1, p2cwrite = -1, c2pread = -1, c2pwrite = -1, errread = -1
errwrite = -1, restore_signals = True, start_new_session = False
def _execute_child(self, args, executable, preexec_fn, close_fds,
pass_fds, cwd, env,
startupinfo, creationflags, shell,
p2cread, p2cwrite,
c2pread, c2pwrite,
errread, errwrite,
restore_signals, start_new_session):
"""Execute program (POSIX version)"""
if isinstance(args, (str, bytes)):
args = [args]
else:
args = list(args)
if shell:
# On Android the default shell is at '/system/bin/sh'.
unix_shell = ('/system/bin/sh' if
hasattr(sys, 'getandroidapilevel') else '/bin/sh')
args = [unix_shell, "-c"] + args
if executable:
args[0] = executable
if executable is None:
executable = args[0]
orig_executable = executable
# For transferring possible exec failure from child to parent.
# Data format: "exception name:hex errno:description"
# Pickle is not used; it is complex and involves memory allocation.
errpipe_read, errpipe_write = os.pipe()
# errpipe_write must not be in the standard io 0, 1, or 2 fd range.
low_fds_to_close = []
while errpipe_write < 3:
low_fds_to_close.append(errpipe_write)
errpipe_write = os.dup(errpipe_write)
for low_fd in low_fds_to_close:
os.close(low_fd)
try:
try:
# We must avoid complex work that could involve
# malloc or free in the child process to avoid
# potential deadlocks, thus we do all this here.
# and pass it to fork_exec()
if env is not None:
env_list = []
for k, v in env.items():
k = os.fsencode(k)
if b'=' in k:
raise ValueError("illegal environment variable
name")
env_list.append(k + b'=' + os.fsencode(v))
else:
env_list = None # Use execv instead of execve.
executable = os.fsencode(executable)
if os.path.dirname(executable):
executable_list = (executable,)
else:
# This matches the behavior of os._execvpe().
executable_list = tuple(
os.path.join(os.fsencode(dir), executable)
for dir in os.get_exec_path(env))
fds_to_keep = set(pass_fds)
fds_to_keep.add(errpipe_write)
self.pid = _posixsubprocess.fork_exec(
args, executable_list,
close_fds, tuple(sorted(map(int, fds_to_keep))),
cwd, env_list,
p2cread, p2cwrite, c2pread, c2pwrite,
errread, errwrite,
