/usr/lib/python3.4/test/test_pyclbr.py is in libpython3.4-testsuite 3.4.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 | '''
Test cases for pyclbr.py
Nick Mathewson
'''
from test.support import run_unittest
import sys
from types import FunctionType, MethodType, BuiltinFunctionType
import pyclbr
from unittest import TestCase
StaticMethodType = type(staticmethod(lambda: None))
ClassMethodType = type(classmethod(lambda c: None))
# Here we test the python class browser code.
#
# The main function in this suite, 'testModule', compares the output
# of pyclbr with the introspected members of a module. Because pyclbr
# is imperfect (as designed), testModule is called with a set of
# members to ignore.
class PyclbrTest(TestCase):
def assertListEq(self, l1, l2, ignore):
''' succeed iff {l1} - {ignore} == {l2} - {ignore} '''
missing = (set(l1) ^ set(l2)) - set(ignore)
if missing:
print("l1=%r\nl2=%r\nignore=%r" % (l1, l2, ignore), file=sys.stderr)
self.fail("%r missing" % missing.pop())
def assertHasattr(self, obj, attr, ignore):
''' succeed iff hasattr(obj,attr) or attr in ignore. '''
if attr in ignore: return
if not hasattr(obj, attr): print("???", attr)
self.assertTrue(hasattr(obj, attr),
'expected hasattr(%r, %r)' % (obj, attr))
def assertHaskey(self, obj, key, ignore):
''' succeed iff key in obj or key in ignore. '''
if key in ignore: return
if key not in obj:
print("***",key, file=sys.stderr)
self.assertIn(key, obj)
def assertEqualsOrIgnored(self, a, b, ignore):
''' succeed iff a == b or a in ignore or b in ignore '''
if a not in ignore and b not in ignore:
self.assertEqual(a, b)
def checkModule(self, moduleName, module=None, ignore=()):
''' succeed iff pyclbr.readmodule_ex(modulename) corresponds
to the actual module object, module. Any identifiers in
ignore are ignored. If no module is provided, the appropriate
module is loaded with __import__.'''
ignore = set(ignore) | set(['object'])
if module is None:
# Import it.
# ('<silly>' is to work around an API silliness in __import__)
module = __import__(moduleName, globals(), {}, ['<silly>'])
dict = pyclbr.readmodule_ex(moduleName)
def ismethod(oclass, obj, name):
classdict = oclass.__dict__
if isinstance(obj, MethodType):
# could be a classmethod
if (not isinstance(classdict[name], ClassMethodType) or
obj.__self__ is not oclass):
return False
elif not isinstance(obj, FunctionType):
return False
objname = obj.__name__
if objname.startswith("__") and not objname.endswith("__"):
objname = "_%s%s" % (oclass.__name__, objname)
return objname == name
# Make sure the toplevel functions and classes are the same.
for name, value in dict.items():
if name in ignore:
continue
self.assertHasattr(module, name, ignore)
py_item = getattr(module, name)
if isinstance(value, pyclbr.Function):
self.assertIsInstance(py_item, (FunctionType, BuiltinFunctionType))
if py_item.__module__ != moduleName:
continue # skip functions that came from somewhere else
self.assertEqual(py_item.__module__, value.module)
else:
self.assertIsInstance(py_item, type)
if py_item.__module__ != moduleName:
continue # skip classes that came from somewhere else
real_bases = [base.__name__ for base in py_item.__bases__]
pyclbr_bases = [ getattr(base, 'name', base)
for base in value.super ]
try:
self.assertListEq(real_bases, pyclbr_bases, ignore)
except:
print("class=%s" % py_item, file=sys.stderr)
raise
actualMethods = []
for m in py_item.__dict__.keys():
if ismethod(py_item, getattr(py_item, m), m):
actualMethods.append(m)
foundMethods = []
for m in value.methods.keys():
if m[:2] == '__' and m[-2:] != '__':
foundMethods.append('_'+name+m)
else:
foundMethods.append(m)
try:
self.assertListEq(foundMethods, actualMethods, ignore)
self.assertEqual(py_item.__module__, value.module)
self.assertEqualsOrIgnored(py_item.__name__, value.name,
ignore)
# can't check file or lineno
except:
print("class=%s" % py_item, file=sys.stderr)
raise
# Now check for missing stuff.
def defined_in(item, module):
if isinstance(item, type):
return item.__module__ == module.__name__
if isinstance(item, FunctionType):
return item.__globals__ is module.__dict__
return False
for name in dir(module):
item = getattr(module, name)
if isinstance(item, (type, FunctionType)):
if defined_in(item, module):
self.assertHaskey(dict, name, ignore)
def test_easy(self):
self.checkModule('pyclbr')
self.checkModule('ast')
self.checkModule('doctest', ignore=("TestResults", "_SpoofOut",
"DocTestCase", '_DocTestSuite'))
self.checkModule('difflib', ignore=("Match",))
def test_decorators(self):
# XXX: See comment in pyclbr_input.py for a test that would fail
# if it were not commented out.
#
self.checkModule('test.pyclbr_input', ignore=['om'])
def test_others(self):
cm = self.checkModule
# These were once about the 10 longest modules
cm('random', ignore=('Random',)) # from _random import Random as CoreGenerator
cm('cgi', ignore=('log',)) # set with = in module
cm('pickle')
cm('aifc', ignore=('openfp', '_aifc_params')) # set with = in module
cm('sre_parse', ignore=('dump',)) # from sre_constants import *
cm('pdb')
cm('pydoc')
# Tests for modules inside packages
cm('email.parser')
cm('test.test_pyclbr')
def test_issue_14798(self):
# test ImportError is raised when the first part of a dotted name is
# not a package
self.assertRaises(ImportError, pyclbr.readmodule_ex, 'asyncore.foo')
def test_main():
run_unittest(PyclbrTest)
if __name__ == "__main__":
test_main()
|