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test_assert.py
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105 lines (87 loc) · 3.22 KB
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#####################################################################################
#
# Copyright (c) Microsoft Corporation. All rights reserved.
#
# This source code is subject to terms and conditions of the Apache License, Version 2.0. A
# copy of the license can be found in the License.html file at the root of this distribution. If
# you cannot locate the Apache License, Version 2.0, please send an email to
# ironpy@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
# by the terms of the Apache License, Version 2.0.
#
# You must not remove this notice, or any other, from this software.
#
#
#####################################################################################
import sys
import unittest
from iptest import run_test
@unittest.skipIf(sys.flags.optimize, "should be run without optimize")
class AssertTest(unittest.TestCase):
def test_positive(self):
try:
assert True
except AssertionError as e:
raise "Should have been no exception!"
try:
assert True, 'this should always pass'
except AssertionError as e:
raise "Should have been no exception!"
def test_negative(self):
ok = False
try:
assert False
except AssertionError as e:
ok = True
self.assertEqual(str(e), "")
self.assertTrue(ok)
ok = False
try:
assert False
except AssertionError as e:
ok = True
self.assertEqual(str(e), "")
self.assertTrue(ok)
ok = False
try:
assert False, 'this should never pass'
except AssertionError as e:
ok = True
self.assertEqual(str(e), "this should never pass")
self.assertTrue(ok)
ok = False
try:
assert None, 'this should never pass'
except AssertionError as e:
ok = True
self.assertEqual(str(e), "this should never pass")
self.assertTrue(ok)
def test_doesnt_fail_on_curly(self):
"""Ensures that asserting a string with a curly brace doesn't choke up the
string formatter."""
ok = False
try:
assert False, '}'
except AssertionError:
ok = True
self.assertTrue(ok)
def test_custom_assertionerror(self):
"""https://github.com/IronLanguages/ironpython2/issues/107"""
class MyAssertionError(Exception):
def __init__(self, msg):
super(MyAssertionError, self).__init__(msg)
def test():
assert False, 'You are here'
import builtins
old = builtins.AssertionError
builtins.AssertionError = MyAssertionError
try:
self.assertRaises(MyAssertionError, test)
finally:
builtins.AssertionError = old
#--Main------------------------------------------------------------------------
# if is_cli and '-O' in System.Environment.GetCommandLineArgs():
# from iptest.process_util import *
# self.assertEqual(0, launch_ironpython_changing_extensions(__file__, remove=["-O"]))
# else:
# run_test(__name__)
run_test(__name__)