mirror of
https://github.com/python/cpython.git
synced 2024-12-15 04:44:47 +08:00
19f2aeba67
svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r86596 | ezio.melotti | 2010-11-20 21:04:17 +0200 (Sat, 20 Nov 2010) | 1 line #9424: Replace deprecated assert* methods in the Python test suite. ........
341 lines
12 KiB
Python
341 lines
12 KiB
Python
"""
|
|
Test cases for the repr module
|
|
Nick Mathewson
|
|
"""
|
|
|
|
import sys
|
|
import os
|
|
import shutil
|
|
import unittest
|
|
|
|
from test.support import run_unittest
|
|
from reprlib import repr as r # Don't shadow builtin repr
|
|
from reprlib import Repr
|
|
from reprlib import recursive_repr
|
|
|
|
|
|
def nestedTuple(nesting):
|
|
t = ()
|
|
for i in range(nesting):
|
|
t = (t,)
|
|
return t
|
|
|
|
class ReprTests(unittest.TestCase):
|
|
|
|
def test_string(self):
|
|
eq = self.assertEqual
|
|
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.assertEqual
|
|
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.assertEqual
|
|
# 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.assertEqual
|
|
eq(r(123), repr(123))
|
|
eq(r(123), repr(123))
|
|
eq(r(1.0/3), repr(1.0/3))
|
|
|
|
n = 10**100
|
|
expected = repr(n)[:18] + "..." + repr(n)[-19:]
|
|
eq(r(n), expected)
|
|
|
|
def test_instance(self):
|
|
eq = self.assertEqual
|
|
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), ("<ClassWithFailingRepr instance at %x>"%id(i3)))
|
|
|
|
s = r(ClassWithFailingRepr)
|
|
self.assertTrue(s.startswith("<class "))
|
|
self.assertTrue(s.endswith(">"))
|
|
self.assertIn(s.find("..."), [12, 13])
|
|
|
|
def test_lambda(self):
|
|
self.assertTrue(repr(lambda x: x).startswith(
|
|
"<function <lambda"))
|
|
# XXX anonymous functions? see func_repr
|
|
|
|
def test_builtin_function(self):
|
|
eq = self.assertEqual
|
|
# Functions
|
|
eq(repr(hash), '<built-in function hash>')
|
|
# Methods
|
|
self.assertTrue(repr(''.split).startswith(
|
|
'<built-in method split of str object at 0x'))
|
|
|
|
def test_range(self):
|
|
eq = self.assertEqual
|
|
eq(repr(range(1)), 'range(0, 1)')
|
|
eq(repr(range(1, 2)), 'range(1, 2)')
|
|
eq(repr(range(1, 4, 3)), 'range(1, 4, 3)')
|
|
|
|
def test_nesting(self):
|
|
eq = self.assertEqual
|
|
# everything is meant to give up after 6 levels.
|
|
eq(r([[[[[[[]]]]]]]), "[[[[[[[]]]]]]]")
|
|
eq(r([[[[[[[[]]]]]]]]), "[[[[[[[...]]]]]]]")
|
|
|
|
eq(r(nestedTuple(6)), "(((((((),),),),),),)")
|
|
eq(r(nestedTuple(7)), "(((((((...),),),),),),)")
|
|
|
|
eq(r({ nestedTuple(5) : nestedTuple(5) }),
|
|
"{((((((),),),),),): ((((((),),),),),)}")
|
|
eq(r({ nestedTuple(6) : nestedTuple(6) }),
|
|
"{((((((...),),),),),): ((((((...),),),),),)}")
|
|
|
|
eq(r([[[[[[{}]]]]]]), "[[[[[[{}]]]]]]")
|
|
eq(r([[[[[[[{}]]]]]]]), "[[[[[[[...]]]]]]]")
|
|
|
|
def test_cell(self):
|
|
# XXX Hmm? How to get at a cell object?
|
|
pass
|
|
|
|
def test_descriptors(self):
|
|
eq = self.assertEqual
|
|
# method descriptors
|
|
eq(repr(dict.items), "<method 'items' of 'dict' objects>")
|
|
# XXX member descriptors
|
|
# XXX attribute descriptors
|
|
# XXX slot descriptors
|
|
# static and class methods
|
|
class C:
|
|
def foo(cls): pass
|
|
x = staticmethod(C.foo)
|
|
self.assertTrue(repr(x).startswith('<staticmethod object at 0x'))
|
|
x = classmethod(C.foo)
|
|
self.assertTrue(repr(x).startswith('<classmethod object at 0x'))
|
|
|
|
def test_unsortable(self):
|
|
# Repr.repr() used to call sorted() on sets, frozensets and dicts
|
|
# without taking into account that not all objects are comparable
|
|
x = set([1j, 2j, 3j])
|
|
y = frozenset(x)
|
|
z = {1j: 1, 2j: 2}
|
|
r(x)
|
|
r(y)
|
|
r(z)
|
|
|
|
def touch(path, text=''):
|
|
fp = open(path, 'w')
|
|
fp.write(text)
|
|
fp.close()
|
|
|
|
class LongReprTest(unittest.TestCase):
|
|
def setUp(self):
|
|
longname = 'areallylongpackageandmodulenametotestreprtruncation'
|
|
self.pkgname = os.path.join(longname)
|
|
self.subpkgname = os.path.join(longname, longname)
|
|
# Make the package and subpackage
|
|
shutil.rmtree(self.pkgname, ignore_errors=True)
|
|
os.mkdir(self.pkgname)
|
|
touch(os.path.join(self.pkgname, '__init__.py'))
|
|
shutil.rmtree(self.subpkgname, ignore_errors=True)
|
|
os.mkdir(self.subpkgname)
|
|
touch(os.path.join(self.subpkgname, '__init__.py'))
|
|
# Remember where we are
|
|
self.here = os.getcwd()
|
|
sys.path.insert(0, self.here)
|
|
|
|
def tearDown(self):
|
|
actions = []
|
|
for dirpath, dirnames, filenames in os.walk(self.pkgname):
|
|
for name in dirnames + filenames:
|
|
actions.append(os.path.join(dirpath, name))
|
|
actions.append(self.pkgname)
|
|
actions.sort()
|
|
actions.reverse()
|
|
for p in actions:
|
|
if os.path.isdir(p):
|
|
os.rmdir(p)
|
|
else:
|
|
os.remove(p)
|
|
del sys.path[0]
|
|
|
|
def test_module(self):
|
|
eq = self.assertEqual
|
|
touch(os.path.join(self.subpkgname, self.pkgname + '.py'))
|
|
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import areallylongpackageandmodulenametotestreprtruncation
|
|
eq(repr(areallylongpackageandmodulenametotestreprtruncation),
|
|
"<module '%s' from '%s'>" % (areallylongpackageandmodulenametotestreprtruncation.__name__, areallylongpackageandmodulenametotestreprtruncation.__file__))
|
|
eq(repr(sys), "<module 'sys' (built-in)>")
|
|
|
|
def test_type(self):
|
|
eq = self.assertEqual
|
|
touch(os.path.join(self.subpkgname, 'foo.py'), '''\
|
|
class foo(object):
|
|
pass
|
|
''')
|
|
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import foo
|
|
eq(repr(foo.foo),
|
|
"<class '%s.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.py'), '''\
|
|
class bar:
|
|
pass
|
|
''')
|
|
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import bar
|
|
# Module name may be prefixed with "test.", depending on how run.
|
|
self.assertEqual(repr(bar.bar), "<class '%s.bar'>" % bar.__name__)
|
|
|
|
def test_instance(self):
|
|
touch(os.path.join(self.subpkgname, 'baz.py'), '''\
|
|
class baz:
|
|
pass
|
|
''')
|
|
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import baz
|
|
ibaz = baz.baz()
|
|
self.assertTrue(repr(ibaz).startswith(
|
|
"<%s.baz object at 0x" % baz.__name__))
|
|
|
|
def test_method(self):
|
|
eq = self.assertEqual
|
|
touch(os.path.join(self.subpkgname, 'qux.py'), '''\
|
|
class aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa:
|
|
def amethod(self): pass
|
|
''')
|
|
from areallylongpackageandmodulenametotestreprtruncation.areallylongpackageandmodulenametotestreprtruncation import qux
|
|
# Unbound methods first
|
|
self.assertTrue(repr(qux.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.amethod).startswith(
|
|
'<function amethod'))
|
|
# Bound method next
|
|
iqux = qux.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()
|
|
self.assertTrue(repr(iqux.amethod).startswith(
|
|
'<bound method aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.amethod of <%s.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa object at 0x' \
|
|
% (qux.__name__,) ))
|
|
|
|
def test_builtin_function(self):
|
|
# XXX test built-in functions and methods with really long names
|
|
pass
|
|
|
|
class ClassWithRepr:
|
|
def __init__(self, s):
|
|
self.s = s
|
|
def __repr__(self):
|
|
return "ClassWithRepr(%r)" % self.s
|
|
|
|
|
|
class ClassWithFailingRepr:
|
|
def __repr__(self):
|
|
raise Exception("This should be caught by Repr.repr_instance")
|
|
|
|
class MyContainer:
|
|
'Helper class for TestRecursiveRepr'
|
|
def __init__(self, values):
|
|
self.values = list(values)
|
|
def append(self, value):
|
|
self.values.append(value)
|
|
@recursive_repr()
|
|
def __repr__(self):
|
|
return '<' + ', '.join(map(str, self.values)) + '>'
|
|
|
|
class MyContainer2(MyContainer):
|
|
@recursive_repr('+++')
|
|
def __repr__(self):
|
|
return '<' + ', '.join(map(str, self.values)) + '>'
|
|
|
|
class TestRecursiveRepr(unittest.TestCase):
|
|
def test_recursive_repr(self):
|
|
m = MyContainer(list('abcde'))
|
|
m.append(m)
|
|
m.append('x')
|
|
m.append(m)
|
|
self.assertEqual(repr(m), '<a, b, c, d, e, ..., x, ...>')
|
|
m = MyContainer2(list('abcde'))
|
|
m.append(m)
|
|
m.append('x')
|
|
m.append(m)
|
|
self.assertEqual(repr(m), '<a, b, c, d, e, +++, x, +++>')
|
|
|
|
def test_main():
|
|
run_unittest(ReprTests)
|
|
run_unittest(LongReprTest)
|
|
run_unittest(TestRecursiveRepr)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|