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
182
183
184
185
|
'''
Test cases for pyclbr.py
Nick Mathewson
'''
from test.test_support import run_unittest
import unittest, sys
from types import ClassType, FunctionType, MethodType, BuiltinFunctionType
import pyclbr
from unittest import TestCase
StaticMethodType = type(staticmethod(lambda: None))
ClassMethodType = type(classmethod(lambda c: None))
# This next line triggers an error on old versions of pyclbr.
from commands import getstatus
# 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 >>sys.stderr, "l1=%r\nl2=%r\nignore=%r" % (l1, l2, ignore)
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.failUnless(hasattr(obj, attr),
'expected hasattr(%r, %r)' % (obj, attr))
def assertHaskey(self, obj, key, ignore):
''' succeed iff obj.has_key(key) or key in ignore. '''
if key in ignore: return
if not obj.has_key(key):
print >>sys.stderr, "***",key
self.failUnless(obj.has_key(key))
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.assertEquals(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__.'''
if module == 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, FunctionType):
if not isinstance(classdict[name], StaticMethodType):
return False
else:
if not isinstance(obj, MethodType):
return False
if obj.im_self is not None:
if (not isinstance(classdict[name], ClassMethodType) or
obj.im_self is not oclass):
return False
else:
if not isinstance(classdict[name], FunctionType):
return False
objname = obj.__name__
if objname.startswith("__") and not objname.endswith("__"):
objname = "_%s%s" % (obj.im_class.__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.assert_(isinstance(py_item, (FunctionType, BuiltinFunctionType)))
else:
self.failUnless(isinstance(py_item, (ClassType, 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 >>sys.stderr, "class=%s" % py_item
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.assertEquals(py_item.__module__, value.module)
self.assertEqualsOrIgnored(py_item.__name__, value.name,
ignore)
# can't check file or lineno
except:
print >>sys.stderr, "class=%s" % py_item
raise
# Now check for missing stuff.
def defined_in(item, module):
if isinstance(item, ClassType):
return item.__module__ == module.__name__
if isinstance(item, FunctionType):
return item.func_globals is module.__dict__
return False
for name in dir(module):
item = getattr(module, name)
if isinstance(item, (ClassType, FunctionType)):
if defined_in(item, module):
self.assertHaskey(dict, name, ignore)
def test_easy(self):
self.checkModule('pyclbr')
self.checkModule('doctest')
self.checkModule('rfc822')
self.checkModule('difflib')
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')
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('mhlib')
cm('urllib', ignore=('getproxies_registry',
'open_https',
'getproxies_internetconfig',)) # not on all platforms
cm('pickle')
cm('aifc', ignore=('openfp',)) # set with = in module
cm('Cookie')
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_main():
run_unittest(PyclbrTest)
if __name__ == "__main__":
test_main()
|
