76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
|
||
|
|
from __future__ import generators
|
||
|
|
import py
|
||
|
|
import sys
|
||
|
|
|
||
|
|
saferepr = py.io.saferepr
|
||
|
|
|
||
|
|
class TestSafeRepr:
|
||
|
|
def test_simple_repr(self):
|
||
|
|
assert saferepr(1) == '1'
|
||
|
|
assert saferepr(None) == 'None'
|
||
|
|
|
||
|
|
def test_maxsize(self):
|
||
|
|
s = saferepr('x'*50, maxsize=25)
|
||
|
|
assert len(s) == 25
|
||
|
|
expected = repr('x'*10 + '...' + 'x'*10)
|
||
|
|
assert s == expected
|
||
|
|
|
||
|
|
def test_maxsize_error_on_instance(self):
|
||
|
|
class A:
|
||
|
|
def __repr__(self):
|
||
|
|
raise ValueError('...')
|
||
|
|
|
||
|
|
s = saferepr(('*'*50, A()), maxsize=25)
|
||
|
|
assert len(s) == 25
|
||
|
|
assert s[0] == '(' and s[-1] == ')'
|
||
|
|
|
||
|
|
def test_exceptions(self):
|
||
|
|
class BrokenRepr:
|
||
|
|
def __init__(self, ex):
|
||
|
|
self.ex = ex
|
||
|
|
foo = 0
|
||
|
|
def __repr__(self):
|
||
|
|
raise self.ex
|
||
|
|
class BrokenReprException(Exception):
|
||
|
|
__str__ = None
|
||
|
|
__repr__ = None
|
||
|
|
assert 'Exception' in saferepr(BrokenRepr(Exception("broken")))
|
||
|
|
s = saferepr(BrokenReprException("really broken"))
|
||
|
|
assert 'TypeError' in s
|
||
|
|
assert 'TypeError' in saferepr(BrokenRepr("string"))
|
||
|
|
|
||
|
|
s2 = saferepr(BrokenRepr(BrokenReprException('omg even worse')))
|
||
|
|
assert 'NameError' not in s2
|
||
|
|
assert 'unknown' in s2
|
||
|
|
|
||
|
|
def test_big_repr(self):
|
||
|
|
from py._io.saferepr import SafeRepr
|
||
|
|
assert len(saferepr(range(1000))) <= \
|
||
|
|
len('[' + SafeRepr().maxlist * "1000" + ']')
|
||
|
|
|
||
|
|
def test_repr_on_newstyle(self):
|
||
|
|
class Function(object):
|
||
|
|
def __repr__(self):
|
||
|
|
return "<%s>" %(self.name)
|
||
|
|
try:
|
||
|
|
s = saferepr(Function())
|
||
|
|
except Exception:
|
||
|
|
py.test.fail("saferepr failed for newstyle class")
|
||
|
|
|
||
|
|
def test_unicode(self):
|
||
|
|
val = py.builtin._totext('£€', 'utf-8')
|
||
|
|
reprval = py.builtin._totext("'£€'", 'utf-8')
|
||
|
|
assert saferepr(val) == reprval
|
||
|
|
|
||
|
|
def test_unicode_handling():
|
||
|
|
value = py.builtin._totext('\xc4\x85\xc4\x87\n', 'utf-8').encode('utf8')
|
||
|
|
def f():
|
||
|
|
raise Exception(value)
|
||
|
|
excinfo = py.test.raises(Exception, f)
|
||
|
|
s = str(excinfo)
|
||
|
|
if sys.version_info[0] < 3:
|
||
|
|
u = unicode(excinfo)
|
||
|
|
|