/usr/lib/python2.7/dist-packages/testtools/tests/matchers/test_exception.py is in python-testtools 1.8.0-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | # Copyright (c) 2008-2012 testtools developers. See LICENSE for details.
import sys
from testtools import TestCase
from testtools.matchers import (
AfterPreprocessing,
Equals,
)
from testtools.matchers._exception import (
MatchesException,
Raises,
raises,
)
from testtools.tests.helpers import FullStackRunTest
from testtools.tests.matchers.helpers import TestMatchersInterface
def make_error(type, *args, **kwargs):
try:
raise type(*args, **kwargs)
except type:
return sys.exc_info()
class TestMatchesExceptionInstanceInterface(TestCase, TestMatchersInterface):
matches_matcher = MatchesException(ValueError("foo"))
error_foo = make_error(ValueError, 'foo')
error_bar = make_error(ValueError, 'bar')
error_base_foo = make_error(Exception, 'foo')
matches_matches = [error_foo]
matches_mismatches = [error_bar, error_base_foo]
str_examples = [
("MatchesException(Exception('foo',))",
MatchesException(Exception('foo')))
]
describe_examples = [
("%r is not a %r" % (Exception, ValueError),
error_base_foo,
MatchesException(ValueError("foo"))),
("ValueError('bar',) has different arguments to ValueError('foo',).",
error_bar,
MatchesException(ValueError("foo"))),
]
class TestMatchesExceptionTypeInterface(TestCase, TestMatchersInterface):
matches_matcher = MatchesException(ValueError)
error_foo = make_error(ValueError, 'foo')
error_sub = make_error(UnicodeError, 'bar')
error_base_foo = make_error(Exception, 'foo')
matches_matches = [error_foo, error_sub]
matches_mismatches = [error_base_foo]
str_examples = [
("MatchesException(%r)" % Exception,
MatchesException(Exception))
]
describe_examples = [
("%r is not a %r" % (Exception, ValueError),
error_base_foo,
MatchesException(ValueError)),
]
class TestMatchesExceptionTypeReInterface(TestCase, TestMatchersInterface):
matches_matcher = MatchesException(ValueError, 'fo.')
error_foo = make_error(ValueError, 'foo')
error_sub = make_error(UnicodeError, 'foo')
error_bar = make_error(ValueError, 'bar')
matches_matches = [error_foo, error_sub]
matches_mismatches = [error_bar]
str_examples = [
("MatchesException(%r)" % Exception,
MatchesException(Exception, 'fo.'))
]
describe_examples = [
("'bar' does not match /fo./",
error_bar, MatchesException(ValueError, "fo.")),
]
class TestMatchesExceptionTypeMatcherInterface(TestCase, TestMatchersInterface):
matches_matcher = MatchesException(
ValueError, AfterPreprocessing(str, Equals('foo')))
error_foo = make_error(ValueError, 'foo')
error_sub = make_error(UnicodeError, 'foo')
error_bar = make_error(ValueError, 'bar')
matches_matches = [error_foo, error_sub]
matches_mismatches = [error_bar]
str_examples = [
("MatchesException(%r)" % Exception,
MatchesException(Exception, Equals('foo')))
]
describe_examples = [
("5 != %r" % (error_bar[1],),
error_bar, MatchesException(ValueError, Equals(5))),
]
class TestRaisesInterface(TestCase, TestMatchersInterface):
matches_matcher = Raises()
def boom():
raise Exception('foo')
matches_matches = [boom]
matches_mismatches = [lambda:None]
# Tricky to get function objects to render constantly, and the interfaces
# helper uses assertEqual rather than (for instance) DocTestMatches.
str_examples = []
describe_examples = []
class TestRaisesExceptionMatcherInterface(TestCase, TestMatchersInterface):
matches_matcher = Raises(
exception_matcher=MatchesException(Exception('foo')))
def boom_bar():
raise Exception('bar')
def boom_foo():
raise Exception('foo')
matches_matches = [boom_foo]
matches_mismatches = [lambda:None, boom_bar]
# Tricky to get function objects to render constantly, and the interfaces
# helper uses assertEqual rather than (for instance) DocTestMatches.
str_examples = []
describe_examples = []
class TestRaisesBaseTypes(TestCase):
run_tests_with = FullStackRunTest
def raiser(self):
raise KeyboardInterrupt('foo')
def test_KeyboardInterrupt_matched(self):
# When KeyboardInterrupt is matched, it is swallowed.
matcher = Raises(MatchesException(KeyboardInterrupt))
self.assertThat(self.raiser, matcher)
def test_KeyboardInterrupt_propogates(self):
# The default 'it raised' propogates KeyboardInterrupt.
match_keyb = Raises(MatchesException(KeyboardInterrupt))
def raise_keyb_from_match():
matcher = Raises()
matcher.match(self.raiser)
self.assertThat(raise_keyb_from_match, match_keyb)
def test_KeyboardInterrupt_match_Exception_propogates(self):
# If the raised exception isn't matched, and it is not a subclass of
# Exception, it is propogated.
match_keyb = Raises(MatchesException(KeyboardInterrupt))
def raise_keyb_from_match():
matcher = Raises(MatchesException(Exception))
matcher.match(self.raiser)
self.assertThat(raise_keyb_from_match, match_keyb)
class TestRaisesConvenience(TestCase):
run_tests_with = FullStackRunTest
def test_exc_type(self):
self.assertThat(lambda: 1/0, raises(ZeroDivisionError))
def test_exc_value(self):
e = RuntimeError("You lose!")
def raiser():
raise e
self.assertThat(raiser, raises(e))
def test_suite():
from unittest import TestLoader
return TestLoader().loadTestsFromName(__name__)
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