hub/venv/lib/python3.7/site-packages/zmq/tests/test_constants.py

122 lines
4.5 KiB
Python

# Copyright (C) PyZMQ Developers
# Distributed under the terms of the Modified BSD License.
import json
from unittest import TestCase
import pytest
import zmq
from zmq.utils import constant_names
from zmq.sugar import constants as sugar_constants
from zmq.backend import constants as backend_constants
all_set = set(constant_names.all_names)
class TestConstants(TestCase):
def _duplicate_test(self, namelist, listname):
"""test that a given list has no duplicates"""
dupes = {}
for name in set(namelist):
cnt = namelist.count(name)
if cnt > 1:
dupes[name] = cnt
if dupes:
self.fail("The following names occur more than once in %s: %s" % (listname, json.dumps(dupes, indent=2)))
def test_duplicate_all(self):
return self._duplicate_test(constant_names.all_names, "all_names")
def _change_key(self, change, version):
"""return changed-in key"""
return "%s-in %d.%d.%d" % tuple([change] + list(version))
def test_duplicate_changed(self):
all_changed = []
for change in ("new", "removed"):
d = getattr(constant_names, change + "_in")
for version, namelist in d.items():
all_changed.extend(namelist)
self._duplicate_test(namelist, self._change_key(change, version))
self._duplicate_test(all_changed, "all-changed")
def test_changed_in_all(self):
missing = {}
for change in ("new", "removed"):
d = getattr(constant_names, change + "_in")
for version, namelist in d.items():
key = self._change_key(change, version)
for name in namelist:
if name not in all_set:
if key not in missing:
missing[key] = []
missing[key].append(name)
if missing:
self.fail(
"The following names are missing in `all_names`: %s" % json.dumps(missing, indent=2)
)
def test_no_negative_constants(self):
for name in sugar_constants.__all__:
self.assertNotEqual(getattr(zmq, name), sugar_constants._UNDEFINED)
def test_undefined_constants(self):
all_aliases = []
for alias_group in sugar_constants.aliases:
all_aliases.extend(alias_group)
for name in all_set.difference(all_aliases):
raw = getattr(backend_constants, name)
if raw == sugar_constants._UNDEFINED:
self.assertRaises(AttributeError, getattr, zmq, name)
else:
self.assertEqual(getattr(zmq, name), raw)
def test_new(self):
zmq_version = zmq.zmq_version_info()
for version, new_names in constant_names.new_in.items():
should_have = zmq_version >= version
for name in new_names:
try:
value = getattr(zmq, name)
except AttributeError:
if should_have:
self.fail("AttributeError: zmq.%s" % name)
else:
if not should_have:
self.fail("Shouldn't have: zmq.%s=%s" % (name, value))
@pytest.mark.skipif(not zmq.DRAFT_API, reason="Only test draft API if built with draft API")
def test_draft(self):
zmq_version = zmq.zmq_version_info()
for version, new_names in constant_names.draft_in.items():
should_have = zmq_version >= version
for name in new_names:
try:
value = getattr(zmq, name)
except AttributeError:
if should_have:
self.fail("AttributeError: zmq.%s" % name)
else:
if not should_have:
self.fail("Shouldn't have: zmq.%s=%s" % (name, value))
def test_removed(self):
zmq_version = zmq.zmq_version_info()
for version, new_names in constant_names.removed_in.items():
should_have = zmq_version < version
for name in new_names:
try:
value = getattr(zmq, name)
except AttributeError:
if should_have:
self.fail("AttributeError: zmq.%s" % name)
else:
if not should_have:
self.fail("Shouldn't have: zmq.%s=%s" % (name, value))