Lib.test.test_func_jy.py Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jython-standalone 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.

The newest version!

"""Misc func tests.

Made for Jython.
"""
import types
import unittest
from java.lang import Object
from test import test_support

xyz = 123

def abc():
    return xyz

class FunctionTypeTestCase(unittest.TestCase):

    def test_func(self):
        self.assertEquals(abc(), 123)

    def test_functiontype(self):
        new_abc = types.FunctionType(abc.func_code, {'xyz': 456},
                                     abc.func_name, abc.func_defaults,
                                     abc.func_closure)
        self.assertEquals(new_abc(), 456)

    def test_functiontype_from_globals(self):
        sm = type(globals())()
        sm.update({'xyz': 789})
        sm_abc = types.FunctionType(abc.func_code, sm, abc.func_name,
                                    abc.func_defaults, abc.func_closure)
        self.assertEquals(sm_abc(), 789)


class MethodHashCodeTestCase(unittest.TestCase):

    def test_builtin_method_hashcode(self):
        foo = 'foo'
        self.assert_(foo.title is not foo.title)
        self.assertEqual(hash(foo.title), hash(foo.title))
        self.assertNotEqual(hash(foo.title), hash('bar'.title))

    def test_method_hashcode(self):
        class Foo(object):
            def bar(self):
                pass
        foo = Foo()
        self.assert_(foo.bar is not foo.bar)
        self.assertEqual(hash(foo.bar), hash(foo.bar))
        self.assertNotEqual(hash(foo.bar), hash(Foo().bar))


class SingleMethodInterfaceTestCase(unittest.TestCase):

    def test_java_lang_object_methods(self):
        # Passing a PyFunction to Object.toString, .hashCode, etc
        # should not result in the function itself being called
        
        def return42():
            return 42
        s = Object.toString(return42)
        self.assertNotEqual(s, 42)
        self.assert_(s.startswith('