lib-python.2.7.test.test_module.py Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jython Show documentation
Show all versions of jython Show documentation
Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
# Test the module type
import unittest
from test.test_support import run_unittest, gc_collect
import sys
ModuleType = type(sys)
class ModuleTests(unittest.TestCase):
def test_uninitialized(self):
# An uninitialized module has no __dict__ or __name__,
# and __doc__ is None
foo = ModuleType.__new__(ModuleType)
self.assertTrue(foo.__dict__ is None)
self.assertRaises(SystemError, dir, foo)
try:
s = foo.__name__
self.fail("__name__ = %s" % repr(s))
except AttributeError:
pass
self.assertEqual(foo.__doc__, ModuleType.__doc__)
def test_no_docstring(self):
# Regularly initialized module, no docstring
foo = ModuleType("foo")
self.assertEqual(foo.__name__, "foo")
self.assertEqual(foo.__doc__, None)
self.assertEqual(foo.__dict__, {"__name__": "foo", "__doc__": None})
def test_ascii_docstring(self):
# ASCII docstring
foo = ModuleType("foo", "foodoc")
self.assertEqual(foo.__name__, "foo")
self.assertEqual(foo.__doc__, "foodoc")
self.assertEqual(foo.__dict__,
{"__name__": "foo", "__doc__": "foodoc"})
def test_unicode_docstring(self):
# Unicode docstring
foo = ModuleType("foo", u"foodoc\u1234")
self.assertEqual(foo.__name__, "foo")
self.assertEqual(foo.__doc__, u"foodoc\u1234")
self.assertEqual(foo.__dict__,
{"__name__": "foo", "__doc__": u"foodoc\u1234"})
def test_reinit(self):
# Reinitialization should not replace the __dict__
foo = ModuleType("foo", u"foodoc\u1234")
foo.bar = 42
d = foo.__dict__
foo.__init__("foo", "foodoc")
self.assertEqual(foo.__name__, "foo")
self.assertEqual(foo.__doc__, "foodoc")
self.assertEqual(foo.bar, 42)
self.assertEqual(foo.__dict__,
{"__name__": "foo", "__doc__": "foodoc", "bar": 42})
self.assertTrue(foo.__dict__ is d)
@unittest.expectedFailure
def test_dont_clear_dict(self):
# See issue 7140.
def f():
foo = ModuleType("foo")
foo.bar = 4
return foo
gc_collect()
self.assertEqual(f().__dict__["bar"], 4)
def test_clear_dict_in_ref_cycle(self):
destroyed = []
m = ModuleType("foo")
m.destroyed = destroyed
s = """class A:
def __del__(self, destroyed=destroyed):
destroyed.append(1)
a = A()"""
exec(s, m.__dict__)
del m
gc_collect()
self.assertEqual(destroyed, [1])
def test_main():
run_unittest(ModuleTests)
if __name__ == '__main__':
test_main()