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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 functionality of Python classes implementing operators."
import unittest
from test import test_support
testmeths = [
# Binary operations
"add",
"radd",
"sub",
"rsub",
"mul",
"rmul",
"div",
"rdiv",
"mod",
"rmod",
"divmod",
"rdivmod",
"pow",
"rpow",
"rshift",
"rrshift",
"lshift",
"rlshift",
"and",
"rand",
"or",
"ror",
"xor",
"rxor",
# List/dict operations
"contains",
"getitem",
"getslice",
"setitem",
"setslice",
"delitem",
"delslice",
# Unary operations
"neg",
"pos",
"abs",
# generic operations
"init",
]
# These need to return something other than None
# "coerce",
# "hash",
# "str",
# "repr",
# "int",
# "long",
# "float",
# "oct",
# "hex",
# These are separate because they can influence the test of other methods.
# "getattr",
# "setattr",
# "delattr",
callLst = []
def trackCall(f):
def track(*args, **kwargs):
callLst.append((f.__name__, args))
return f(*args, **kwargs)
return track
class AllTests:
trackCall = trackCall
@trackCall
def __coerce__(self, *args):
return (self,) + args
@trackCall
def __hash__(self, *args):
return hash(id(self))
@trackCall
def __str__(self, *args):
return "AllTests"
@trackCall
def __repr__(self, *args):
return "AllTests"
@trackCall
def __int__(self, *args):
return 1
@trackCall
def __float__(self, *args):
return 1.0
@trackCall
def __long__(self, *args):
return 1L
@trackCall
def __oct__(self, *args):
return '01'
@trackCall
def __hex__(self, *args):
return '0x1'
@trackCall
def __cmp__(self, *args):
return 0
# Synthesize all the other AllTests methods from the names in testmeths.
method_template = """\
@trackCall
def __%(method)s__(self, *args):
pass
"""
for method in testmeths:
exec method_template % locals() in AllTests.__dict__
del method, method_template
class ClassTests(unittest.TestCase):
def setUp(self):
callLst[:] = []
def assertCallStack(self, expected_calls):
actualCallList = callLst[:] # need to copy because the comparison below will add
# additional calls to callLst
if expected_calls != actualCallList:
self.fail("Expected call list:\n %s\ndoes not match actual call list\n %s" %
(expected_calls, actualCallList))
def testInit(self):
foo = AllTests()
self.assertCallStack([("__init__", (foo,))])
def testBinaryOps(self):
testme = AllTests()
# Binary operations
callLst[:] = []
testme + 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__add__", (testme, 1))])
callLst[:] = []
1 + testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__radd__", (testme, 1))])
callLst[:] = []
testme - 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__sub__", (testme, 1))])
callLst[:] = []
1 - testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__rsub__", (testme, 1))])
callLst[:] = []
testme * 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__mul__", (testme, 1))])
callLst[:] = []
1 * testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__rmul__", (testme, 1))])
if 1/2 == 0:
callLst[:] = []
testme / 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__div__", (testme, 1))])
callLst[:] = []
1 / testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__rdiv__", (testme, 1))])
callLst[:] = []
testme % 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__mod__", (testme, 1))])
callLst[:] = []
1 % testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__rmod__", (testme, 1))])
callLst[:] = []
divmod(testme,1)
self.assertCallStack([("__coerce__", (testme, 1)), ("__divmod__", (testme, 1))])
callLst[:] = []
divmod(1, testme)
self.assertCallStack([("__coerce__", (testme, 1)), ("__rdivmod__", (testme, 1))])
callLst[:] = []
testme ** 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__pow__", (testme, 1))])
callLst[:] = []
1 ** testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__rpow__", (testme, 1))])
callLst[:] = []
testme >> 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__rshift__", (testme, 1))])
callLst[:] = []
1 >> testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__rrshift__", (testme, 1))])
callLst[:] = []
testme << 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__lshift__", (testme, 1))])
callLst[:] = []
1 << testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__rlshift__", (testme, 1))])
callLst[:] = []
testme & 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__and__", (testme, 1))])
callLst[:] = []
1 & testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__rand__", (testme, 1))])
callLst[:] = []
testme | 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__or__", (testme, 1))])
callLst[:] = []
1 | testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__ror__", (testme, 1))])
callLst[:] = []
testme ^ 1
self.assertCallStack([("__coerce__", (testme, 1)), ("__xor__", (testme, 1))])
callLst[:] = []
1 ^ testme
self.assertCallStack([("__coerce__", (testme, 1)), ("__rxor__", (testme, 1))])
def testListAndDictOps(self):
testme = AllTests()
# List/dict operations
class Empty: pass
try:
1 in Empty()
self.fail('failed, should have raised TypeError')
except TypeError:
pass
callLst[:] = []
1 in testme
self.assertCallStack([('__contains__', (testme, 1))])
callLst[:] = []
testme[1]
self.assertCallStack([('__getitem__', (testme, 1))])
callLst[:] = []
testme[1] = 1
self.assertCallStack([('__setitem__', (testme, 1, 1))])
callLst[:] = []
del testme[1]
self.assertCallStack([('__delitem__', (testme, 1))])
callLst[:] = []
testme[:42]
self.assertCallStack([('__getslice__', (testme, 0, 42))])
callLst[:] = []
testme[:42] = "The Answer"
self.assertCallStack([('__setslice__', (testme, 0, 42, "The Answer"))])
callLst[:] = []
del testme[:42]
self.assertCallStack([('__delslice__', (testme, 0, 42))])
callLst[:] = []
testme[2:1024:10]
self.assertCallStack([('__getitem__', (testme, slice(2, 1024, 10)))])
callLst[:] = []
testme[2:1024:10] = "A lot"
self.assertCallStack([('__setitem__', (testme, slice(2, 1024, 10),
"A lot"))])
callLst[:] = []
del testme[2:1024:10]
self.assertCallStack([('__delitem__', (testme, slice(2, 1024, 10)))])
callLst[:] = []
testme[:42, ..., :24:, 24, 100]
self.assertCallStack([('__getitem__', (testme, (slice(None, 42, None),
Ellipsis,
slice(None, 24, None),
24, 100)))])
callLst[:] = []
testme[:42, ..., :24:, 24, 100] = "Strange"
self.assertCallStack([('__setitem__', (testme, (slice(None, 42, None),
Ellipsis,
slice(None, 24, None),
24, 100), "Strange"))])
callLst[:] = []
del testme[:42, ..., :24:, 24, 100]
self.assertCallStack([('__delitem__', (testme, (slice(None, 42, None),
Ellipsis,
slice(None, 24, None),
24, 100)))])
# Now remove the slice hooks to see if converting normal slices to
# slice object works.
getslice = AllTests.__getslice__
del AllTests.__getslice__
setslice = AllTests.__setslice__
del AllTests.__setslice__
delslice = AllTests.__delslice__
del AllTests.__delslice__
# XXX when using new-style classes the slice testme[:42] produces
# slice(None, 42, None) instead of slice(0, 42, None). py3k will have
# to change this test.
callLst[:] = []
testme[:42]
self.assertCallStack([('__getitem__', (testme, slice(0, 42, None)))])
callLst[:] = []
testme[:42] = "The Answer"
self.assertCallStack([('__setitem__', (testme, slice(0, 42, None),
"The Answer"))])
callLst[:] = []
del testme[:42]
self.assertCallStack([('__delitem__', (testme, slice(0, 42, None)))])
# Restore the slice methods, or the tests will fail with regrtest -R.
AllTests.__getslice__ = getslice
AllTests.__setslice__ = setslice
AllTests.__delslice__ = delslice
@test_support.cpython_only
def testDelItem(self):
class A:
ok = False
def __delitem__(self, key):
self.ok = True
a = A()
# Subtle: we need to call PySequence_SetItem, not PyMapping_SetItem.
from _testcapi import sequence_delitem
sequence_delitem(a, 2)
self.assertTrue(a.ok)
def testUnaryOps(self):
testme = AllTests()
callLst[:] = []
-testme
self.assertCallStack([('__neg__', (testme,))])
callLst[:] = []
+testme
self.assertCallStack([('__pos__', (testme,))])
callLst[:] = []
abs(testme)
self.assertCallStack([('__abs__', (testme,))])
callLst[:] = []
int(testme)
self.assertCallStack([('__int__', (testme,))])
callLst[:] = []
long(testme)
self.assertCallStack([('__long__', (testme,))])
callLst[:] = []
float(testme)
self.assertCallStack([('__float__', (testme,))])
callLst[:] = []
oct(testme)
self.assertCallStack([('__oct__', (testme,))])
callLst[:] = []
hex(testme)
self.assertCallStack([('__hex__', (testme,))])
def testMisc(self):
testme = AllTests()
callLst[:] = []
hash(testme)
self.assertCallStack([('__hash__', (testme,))])
callLst[:] = []
repr(testme)
self.assertCallStack([('__repr__', (testme,))])
callLst[:] = []
str(testme)
self.assertCallStack([('__str__', (testme,))])
callLst[:] = []
testme == 1
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
callLst[:] = []
testme < 1
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
callLst[:] = []
testme > 1
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
callLst[:] = []
eval('testme <> 1') # XXX kill this in py3k
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
callLst[:] = []
testme != 1
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
callLst[:] = []
1 == testme
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
callLst[:] = []
1 < testme
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
callLst[:] = []
1 > testme
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
callLst[:] = []
eval('1 <> testme')
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
callLst[:] = []
1 != testme
self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
def testGetSetAndDel(self):
# Interfering tests
class ExtraTests(AllTests):
@trackCall
def __getattr__(self, *args):
return "SomeVal"
@trackCall
def __setattr__(self, *args):
pass
@trackCall
def __delattr__(self, *args):
pass
testme = ExtraTests()
callLst[:] = []
testme.spam
self.assertCallStack([('__getattr__', (testme, "spam"))])
callLst[:] = []
testme.eggs = "spam, spam, spam and ham"
self.assertCallStack([('__setattr__', (testme, "eggs",
"spam, spam, spam and ham"))])
callLst[:] = []
del testme.cardinal
self.assertCallStack([('__delattr__', (testme, "cardinal"))])
def testDel(self):
x = []
class DelTest:
def __del__(self):
x.append("crab people, crab people")
testme = DelTest()
del testme
import gc
gc.collect()
self.assertEqual(["crab people, crab people"], x)
def testBadTypeReturned(self):
# return values of some method are type-checked
class BadTypeClass:
def __int__(self):
return None
__float__ = __int__
__long__ = __int__
__str__ = __int__
__repr__ = __int__
__oct__ = __int__
__hex__ = __int__
for f in [int, float, long, str, repr, oct, hex]:
self.assertRaises(TypeError, f, BadTypeClass())
def testMixIntsAndLongs(self):
# mixing up ints and longs is okay
class IntLongMixClass:
@trackCall
def __int__(self):
return 42L
@trackCall
def __long__(self):
return 64
mixIntAndLong = IntLongMixClass()
callLst[:] = []
as_int = int(mixIntAndLong)
self.assertEqual(type(as_int), long)
self.assertEqual(as_int, 42L)
self.assertCallStack([('__int__', (mixIntAndLong,))])
callLst[:] = []
as_long = long(mixIntAndLong)
self.assertEqual(type(as_long), long)
self.assertEqual(as_long, 64)
self.assertCallStack([('__long__', (mixIntAndLong,))])
def testHashStuff(self):
# Test correct errors from hash() on objects with comparisons but
# no __hash__
class C0:
pass
hash(C0()) # This should work; the next two should raise TypeError
class C1:
def __cmp__(self, other): return 0
self.assertRaises(TypeError, hash, C1())
class C2:
def __eq__(self, other): return 1
self.assertRaises(TypeError, hash, C2())
def testSFBug532646(self):
# Test for SF bug 532646
class A:
pass
A.__call__ = A()
a = A()
try:
a() # This should not segfault
except RuntimeError:
pass
else:
self.fail("Failed to raise RuntimeError")
def testForExceptionsRaisedInInstanceGetattr2(self):
# Tests for exceptions raised in instance_getattr2().
def booh(self):
raise AttributeError("booh")
class A:
a = property(booh)
try:
A().a # Raised AttributeError: A instance has no attribute 'a'
except AttributeError, x:
if str(x) != "booh":
self.fail("attribute error for A().a got masked: %s" % x)
class E:
__eq__ = property(booh)
E() == E() # In debug mode, caused a C-level assert() to fail
class I:
__init__ = property(booh)
try:
# In debug mode, printed XXX undetected error and
# raises AttributeError
I()
except AttributeError, x:
pass
else:
self.fail("attribute error for I.__init__ got masked")
def testHashComparisonOfMethods(self):
# Test comparison and hash of methods
class A:
def __init__(self, x):
self.x = x
def f(self):
pass
def g(self):
pass
def __eq__(self, other):
return self.x == other.x
def __hash__(self):
return self.x
class B(A):
pass
a1 = A(1)
a2 = A(2)
self.assertEqual(a1.f, a1.f)
self.assertNotEqual(a1.f, a2.f)
self.assertNotEqual(a1.f, a1.g)
self.assertEqual(a1.f, A(1).f)
self.assertEqual(hash(a1.f), hash(a1.f))
self.assertEqual(hash(a1.f), hash(A(1).f))
self.assertNotEqual(A.f, a1.f)
self.assertNotEqual(A.f, A.g)
self.assertEqual(B.f, A.f)
self.assertEqual(hash(B.f), hash(A.f))
# the following triggers a SystemError in 2.4
a = A(hash(A.f.im_func)^(-1))
hash(a.f)
def testAttrSlots(self):
class C:
pass
for c in C, C():
self.assertRaises(TypeError, type(c).__getattribute__, c, [])
self.assertRaises(TypeError, type(c).__setattr__, c, [], [])
def test_main():
with test_support.check_py3k_warnings(
(".+__(get|set|del)slice__ has been removed", DeprecationWarning),
("classic int division", DeprecationWarning),
("<> not supported", DeprecationWarning)):
test_support.run_unittest(ClassTests)
if __name__=='__main__':
test_main()