AL-2020/venv/Lib/site-packages/pygame/tests/test_utils/test_machinery.py

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2020-05-15 17:25:01 +02:00
import inspect
import random
import re
import unittest
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
from . import import_submodule
class PygameTestLoader(unittest.TestLoader):
def __init__(self, randomize_tests=False, include_incomplete=False,
exclude=('interactive',)):
super(PygameTestLoader, self).__init__()
self.randomize_tests = randomize_tests
if exclude is None:
self.exclude = set()
else:
self.exclude = set(exclude)
if include_incomplete:
self.testMethodPrefix = ('test', 'todo_')
def getTestCaseNames(self, testCaseClass):
res = []
for name in super(PygameTestLoader, self).getTestCaseNames(testCaseClass):
tags = get_tags(testCaseClass, getattr(testCaseClass, name))
if self.exclude.isdisjoint(tags):
res.append(name)
if self.randomize_tests:
random.shuffle(res)
return res
# Exclude by tags:
TAGS_RE = re.compile(r"\|[tT]ags:(-?[ a-zA-Z,0-9_\n]+)\|", re.M)
class TestTags:
def __init__(self):
self.memoized = {}
self.parent_modules = {}
def get_parent_module(self, class_):
if class_ not in self.parent_modules:
self.parent_modules[class_] = import_submodule(class_.__module__)
return self.parent_modules[class_]
def __call__(self, parent_class, meth):
key = (parent_class, meth.__name__)
if key not in self.memoized:
parent_module = self.get_parent_module(parent_class)
module_tags = getattr(parent_module, '__tags__', [])
class_tags = getattr(parent_class, '__tags__', [])
tags = TAGS_RE.search(inspect.getdoc(meth) or '')
if tags: test_tags = [t.strip() for t in tags.group(1).split(',')]
else: test_tags = []
combined = set()
for tags in (module_tags, class_tags, test_tags):
if not tags: continue
add = set([t for t in tags if not t.startswith('-')])
remove = set([t[1:] for t in tags if t not in add])
if add: combined.update(add)
if remove: combined.difference_update(remove)
self.memoized[key] = combined
return self.memoized[key]
get_tags = TestTags()