Lib.test.test_repr.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 cases for the repr module
Nick Mathewson
"""
import sys
import os
import shutil
import unittest
from test.test_support import run_unittest
from repr import repr as r # Don't shadow builtin repr
from repr import Repr
def nestedTuple(nesting):
t = ()
for i in range(nesting):
t = (t,)
return t
class ReprTests(unittest.TestCase):
def test_string(self):
eq = self.assertEquals
eq(r("abc"), "'abc'")
eq(r("abcdefghijklmnop"),"'abcdefghijklmnop'")
s = "a"*30+"b"*30
expected = repr(s)[:13] + "..." + repr(s)[-14:]
eq(r(s), expected)
eq(r("\"'"), repr("\"'"))
s = "\""*30+"'"*100
expected = repr(s)[:13] + "..." + repr(s)[-14:]
eq(r(s), expected)
def test_tuple(self):
eq = self.assertEquals
eq(r((1,)), "(1,)")
t3 = (1, 2, 3)
eq(r(t3), "(1, 2, 3)")
r2 = Repr()
r2.maxtuple = 2
expected = repr(t3)[:-2] + "...)"
eq(r2.repr(t3), expected)
def test_container(self):
from array import array
from collections import deque
eq = self.assertEquals
# Tuples give up after 6 elements
eq(r(()), "()")
eq(r((1,)), "(1,)")
eq(r((1, 2, 3)), "(1, 2, 3)")
eq(r((1, 2, 3, 4, 5, 6)), "(1, 2, 3, 4, 5, 6)")
eq(r((1, 2, 3, 4, 5, 6, 7)), "(1, 2, 3, 4, 5, 6, ...)")
# Lists give up after 6 as well
eq(r([]), "[]")
eq(r([1]), "[1]")
eq(r([1, 2, 3]), "[1, 2, 3]")
eq(r([1, 2, 3, 4, 5, 6]), "[1, 2, 3, 4, 5, 6]")
eq(r([1, 2, 3, 4, 5, 6, 7]), "[1, 2, 3, 4, 5, 6, ...]")
# Sets give up after 6 as well
eq(r(set([])), "set([])")
eq(r(set([1])), "set([1])")
eq(r(set([1, 2, 3])), "set([1, 2, 3])")
eq(r(set([1, 2, 3, 4, 5, 6])), "set([1, 2, 3, 4, 5, 6])")
eq(r(set([1, 2, 3, 4, 5, 6, 7])), "set([1, 2, 3, 4, 5, 6, ...])")
# Frozensets give up after 6 as well
eq(r(frozenset([])), "frozenset([])")
eq(r(frozenset([1])), "frozenset([1])")
eq(r(frozenset([1, 2, 3])), "frozenset([1, 2, 3])")
eq(r(frozenset([1, 2, 3, 4, 5, 6])), "frozenset([1, 2, 3, 4, 5, 6])")
eq(r(frozenset([1, 2, 3, 4, 5, 6, 7])), "frozenset([1, 2, 3, 4, 5, 6, ...])")
# collections.deque after 6
eq(r(deque([1, 2, 3, 4, 5, 6, 7])), "deque([1, 2, 3, 4, 5, 6, ...])")
# Dictionaries give up after 4.
eq(r({}), "{}")
d = {'alice': 1, 'bob': 2, 'charles': 3, 'dave': 4}
eq(r(d), "{'alice': 1, 'bob': 2, 'charles': 3, 'dave': 4}")
d['arthur'] = 1
eq(r(d), "{'alice': 1, 'arthur': 1, 'bob': 2, 'charles': 3, ...}")
# array.array after 5.
eq(r(array('i')), "array('i', [])")
eq(r(array('i', [1])), "array('i', [1])")
eq(r(array('i', [1, 2])), "array('i', [1, 2])")
eq(r(array('i', [1, 2, 3])), "array('i', [1, 2, 3])")
eq(r(array('i', [1, 2, 3, 4])), "array('i', [1, 2, 3, 4])")
eq(r(array('i', [1, 2, 3, 4, 5])), "array('i', [1, 2, 3, 4, 5])")
eq(r(array('i', [1, 2, 3, 4, 5, 6])),
"array('i', [1, 2, 3, 4, 5, ...])")
def test_numbers(self):
eq = self.assertEquals
eq(r(123), repr(123))
eq(r(123L), repr(123L))
eq(r(1.0/3), repr(1.0/3))
n = 10L**100
expected = repr(n)[:18] + "..." + repr(n)[-19:]
eq(r(n), expected)
def test_instance(self):
eq = self.assertEquals
i1 = ClassWithRepr("a")
eq(r(i1), repr(i1))
i2 = ClassWithRepr("x"*1000)
expected = repr(i2)[:13] + "..." + repr(i2)[-14:]
eq(r(i2), expected)
i3 = ClassWithFailingRepr()
eq(r(i3), (""%id(i3)))
s = r(ClassWithFailingRepr)
self.failUnless(s.startswith(""))
self.failUnless(s.find("...") == 8)
def test_file(self):
fp = open(unittest.__file__)
self.failUnless(repr(fp).startswith(
"')
# Methods
self.failUnless(repr(''.split).startswith(
'")
# XXX member descriptors
# XXX attribute descriptors
# XXX slot descriptors
# static and class methods
class C:
def foo(cls): pass
x = staticmethod(C.foo)
self.failUnless(repr(x).startswith('" % (areallylongpackageandmodulenametotestreprtruncation.__name__, areallylongpackageandmodulenametotestreprtruncation.__file__))
# XXX: Jython sys module is not a real module
#eq(repr(sys), "")
def test_type(self):
eq = self.assertEquals
touch(os.path.join(self.subpkgname, 'foo'+os.extsep+'py'), '''\
class foo(object):
pass
''')
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import foo
eq(repr(foo.foo),
"" % foo.__name__)
def test_object(self):
# XXX Test the repr of a type with a really long tp_name but with no
# tp_repr. WIBNI we had ::Inline? :)
pass
def test_class(self):
touch(os.path.join(self.subpkgname, 'bar'+os.extsep+'py'), '''\
class bar:
pass
''')
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import bar
# Module name may be prefixed with "test.", depending on how run.
self.failUnless(repr(bar.bar).startswith(
"')
# Bound method next
iqux = qux.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()
self.failUnless(repr(iqux.amethod).startswith(
'