test_ok2/testing/io/test_saferepr.py

67 lines
1.5 KiB
Python

# -*- coding: utf-8 -*-
from _pytest._io.saferepr import saferepr
def test_simple_repr():
assert saferepr(1) == "1"
assert saferepr(None) == "None"
def test_maxsize():
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():
class A:
def __repr__():
raise ValueError("...")
s = saferepr(("*" * 50, A()), maxsize=25)
assert len(s) == 25
assert s[0] == "(" and s[-1] == ")"
def test_exceptions():
class BrokenRepr:
def __init__(self, ex):
self.ex = ex
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():
from _pytest._io.saferepr import SafeRepr
assert len(saferepr(range(1000))) <= len("[" + SafeRepr().maxlist * "1000" + "]")
def test_repr_on_newstyle():
class Function(object):
def __repr__(self):
return "<%s>" % (self.name)
assert saferepr(Function())
def test_unicode():
val = u"£€"
reprval = u"'£€'"
assert saferepr(val) == reprval