Staging
v0.8.1
v0.8.1
https://github.com/python/cpython
Tip revision: 1da43e5e916949c8e849e656d9d05fa4b9d6836c authored by Benjamin Peterson on 26 June 2009, 13:21:52 UTC
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
Tip revision: 1da43e5
test_pkg.py
# Test packages (dotted-name import)
import sys
import os
import tempfile
import textwrap
import unittest
from test import support
# Helpers to create and destroy hierarchies.
def cleanout(root):
names = os.listdir(root)
for name in names:
fullname = os.path.join(root, name)
if os.path.isdir(fullname) and not os.path.islink(fullname):
cleanout(fullname)
else:
os.remove(fullname)
os.rmdir(root)
def fixdir(lst):
if "__builtins__" in lst:
lst.remove("__builtins__")
return lst
# XXX Things to test
#
# import package without __init__
# import package with __init__
# __init__ importing submodule
# __init__ importing global module
# __init__ defining variables
# submodule importing other submodule
# submodule importing global module
# submodule import submodule via global name
# from package import submodule
# from package import subpackage
# from package import variable (defined in __init__)
# from package import * (defined in __init__)
class TestPkg(unittest.TestCase):
def setUp(self):
self.root = None
self.pkgname = None
self.syspath = list(sys.path)
self.sysmodules = sys.modules.copy()
def tearDown(self):
sys.path[:] = self.syspath
sys.modules.clear()
sys.modules.update(self.sysmodules)
del self.sysmodules
cleanout(self.root)
# delete all modules concerning the tested hiearchy
if self.pkgname:
modules = [name for name in sys.modules
if self.pkgname in name.split('.')]
for name in modules:
del sys.modules[name]
def run_code(self, code):
exec(textwrap.dedent(code), globals(), {"self": self})
def mkhier(self, descr):
root = tempfile.mkdtemp()
sys.path.insert(0, root)
if not os.path.isdir(root):
os.mkdir(root)
for name, contents in descr:
comps = name.split()
fullname = root
for c in comps:
fullname = os.path.join(fullname, c)
if contents is None:
os.mkdir(fullname)
else:
f = open(fullname, "w")
f.write(contents)
if contents and contents[-1] != '\n':
f.write('\n')
f.close()
self.root = root
# package name is the name of the first item
self.pkgname = descr[0][0]
def test_1(self):
hier = [("t1", None), ("t1 __init__.py", "")]
self.mkhier(hier)
import t1
def test_2(self):
hier = [
("t2", None),
("t2 __init__.py", "'doc for t2'"),
("t2 sub", None),
("t2 sub __init__.py", ""),
("t2 sub subsub", None),
("t2 sub subsub __init__.py", "spam = 1"),
]
self.mkhier(hier)
import t2
self.assertEqual(t2.__doc__, "doc for t2")
import t2.sub
import t2.sub.subsub
self.assertEqual(t2.__name__, "t2")
self.assertEqual(t2.sub.__name__, "t2.sub")
self.assertEqual(t2.sub.subsub.__name__, "t2.sub.subsub")
# This exec crap is needed because Py3k forbids 'import *' outside
# of module-scope and __import__() is insufficient for what we need.
s = """
import t2
from t2 import *
self.assertEqual(dir(), ['self', 'sub', 't2'])
"""
self.run_code(s)
from t2 import sub
from t2.sub import subsub
from t2.sub.subsub import spam
self.assertEqual(sub.__name__, "t2.sub")
self.assertEqual(subsub.__name__, "t2.sub.subsub")
self.assertEqual(sub.subsub.__name__, "t2.sub.subsub")
for name in ['spam', 'sub', 'subsub', 't2']:
self.failUnless(locals()["name"], "Failed to import %s" % name)
import t2.sub
import t2.sub.subsub
self.assertEqual(t2.__name__, "t2")
self.assertEqual(t2.sub.__name__, "t2.sub")
self.assertEqual(t2.sub.subsub.__name__, "t2.sub.subsub")
s = """
from t2 import *
self.failUnless(dir(), ['self', 'sub'])
"""
self.run_code(s)
def test_3(self):
hier = [
("t3", None),
("t3 __init__.py", ""),
("t3 sub", None),
("t3 sub __init__.py", ""),
("t3 sub subsub", None),
("t3 sub subsub __init__.py", "spam = 1"),
]
self.mkhier(hier)
import t3.sub.subsub
self.assertEqual(t3.__name__, "t3")
self.assertEqual(t3.sub.__name__, "t3.sub")
self.assertEqual(t3.sub.subsub.__name__, "t3.sub.subsub")
def test_4(self):
hier = [
("t4.py", "raise RuntimeError('Shouldnt load t4.py')"),
("t4", None),
("t4 __init__.py", ""),
("t4 sub.py", "raise RuntimeError('Shouldnt load sub.py')"),
("t4 sub", None),
("t4 sub __init__.py", ""),
("t4 sub subsub.py",
"raise RuntimeError('Shouldnt load subsub.py')"),
("t4 sub subsub", None),
("t4 sub subsub __init__.py", "spam = 1"),
]
self.mkhier(hier)
s = """
from t4.sub.subsub import *
self.assertEqual(spam, 1)
"""
self.run_code(s)
def test_5(self):
hier = [
("t5", None),
("t5 __init__.py", "import t5.foo"),
("t5 string.py", "spam = 1"),
("t5 foo.py",
"from . import string; assert string.spam == 1"),
]
self.mkhier(hier)
import t5
s = """
from t5 import *
self.assertEqual(dir(), ['foo', 'self', 'string', 't5'])
"""
self.run_code(s)
import t5
self.assertEqual(fixdir(dir(t5)),
['__doc__', '__file__', '__name__',
'__package__', '__path__', 'foo', 'string', 't5'])
self.assertEqual(fixdir(dir(t5.foo)),
['__doc__', '__file__', '__name__', '__package__',
'string'])
self.assertEqual(fixdir(dir(t5.string)),
['__doc__', '__file__', '__name__','__package__',
'spam'])
def test_6(self):
hier = [
("t6", None),
("t6 __init__.py",
"__all__ = ['spam', 'ham', 'eggs']"),
("t6 spam.py", ""),
("t6 ham.py", ""),
("t6 eggs.py", ""),
]
self.mkhier(hier)
import t6
self.assertEqual(fixdir(dir(t6)),
['__all__', '__doc__', '__file__',
'__name__', '__package__', '__path__'])
s = """
import t6
from t6 import *
self.assertEqual(fixdir(dir(t6)),
['__all__', '__doc__', '__file__',
'__name__', '__package__', '__path__',
'eggs', 'ham', 'spam'])
self.assertEqual(dir(), ['eggs', 'ham', 'self', 'spam', 't6'])
"""
self.run_code(s)
def test_7(self):
hier = [
("t7.py", ""),
("t7", None),
("t7 __init__.py", ""),
("t7 sub.py",
"raise RuntimeError('Shouldnt load sub.py')"),
("t7 sub", None),
("t7 sub __init__.py", ""),
("t7 sub .py",
"raise RuntimeError('Shouldnt load subsub.py')"),
("t7 sub subsub", None),
("t7 sub subsub __init__.py",
"spam = 1"),
]
self.mkhier(hier)
t7, sub, subsub = None, None, None
import t7 as tas
self.assertEqual(fixdir(dir(tas)),
['__doc__', '__file__', '__name__',
'__package__', '__path__'])
self.failIf(t7)
from t7 import sub as subpar
self.assertEqual(fixdir(dir(subpar)),
['__doc__', '__file__', '__name__',
'__package__', '__path__'])
self.failIf(t7)
self.failIf(sub)
from t7.sub import subsub as subsubsub
self.assertEqual(fixdir(dir(subsubsub)),
['__doc__', '__file__', '__name__',
'__package__', '__path__', 'spam'])
self.failIf(t7)
self.failIf(sub)
self.failIf(subsub)
from t7.sub.subsub import spam as ham
self.assertEqual(ham, 1)
self.failIf(t7)
self.failIf(sub)
self.failIf(subsub)
def test_main():
support.run_unittest(__name__)
if __name__ == "__main__":
test_main()