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# Copyright (c) 2008-2011 testtools developers. See LICENSE for details.
from testtools import TestCase
from testtools.matchers import (
DocTestMatches,
Equals,
LessThan,
MatchesStructure,
Mismatch,
NotEquals,
)
from testtools.matchers._higherorder import (
AfterPreprocessing,
AllMatch,
Annotate,
AnnotatedMismatch,
AnyMatch,
MatchesAny,
MatchesAll,
MatchesPredicate,
Not,
)
from testtools.tests.helpers import FullStackRunTest
from testtools.tests.matchers.helpers import TestMatchersInterface
class TestAllMatch(TestCase, TestMatchersInterface):
matches_matcher = AllMatch(LessThan(10))
matches_matches = [
[9, 9, 9],
(9, 9),
iter([9, 9, 9, 9, 9]),
]
matches_mismatches = [
[11, 9, 9],
iter([9, 12, 9, 11]),
]
str_examples = [
("AllMatch(LessThan(12))", AllMatch(LessThan(12))),
]
describe_examples = [
('Differences: [\n'
'10 is not > 11\n'
'10 is not > 10\n'
']',
[11, 9, 10],
AllMatch(LessThan(10))),
]
class TestAnyMatch(TestCase, TestMatchersInterface):
matches_matcher = AnyMatch(Equals('elephant'))
matches_matches = [
['grass', 'cow', 'steak', 'milk', 'elephant'],
(13, 'elephant'),
['elephant', 'elephant', 'elephant'],
set(['hippo', 'rhino', 'elephant']),
]
matches_mismatches = [
[],
['grass', 'cow', 'steak', 'milk'],
(13, 12, 10),
['element', 'hephalump', 'pachyderm'],
set(['hippo', 'rhino', 'diplodocus']),
]
str_examples = [
("AnyMatch(Equals('elephant'))", AnyMatch(Equals('elephant'))),
]
describe_examples = [
('Differences: [\n'
'7 != 11\n'
'7 != 9\n'
'7 != 10\n'
']',
[11, 9, 10],
AnyMatch(Equals(7))),
]
class TestAfterPreprocessing(TestCase, TestMatchersInterface):
def parity(x):
return x % 2
matches_matcher = AfterPreprocessing(parity, Equals(1))
matches_matches = [3, 5]
matches_mismatches = [2]
str_examples = [
("AfterPreprocessing(<function parity>, Equals(1))",
AfterPreprocessing(parity, Equals(1))),
]
describe_examples = [
("1 != 0: after <function parity> on 2", 2,
AfterPreprocessing(parity, Equals(1))),
("1 != 0", 2,
AfterPreprocessing(parity, Equals(1), annotate=False)),
]
class TestMatchersAnyInterface(TestCase, TestMatchersInterface):
matches_matcher = MatchesAny(DocTestMatches("1"), DocTestMatches("2"))
matches_matches = ["1", "2"]
matches_mismatches = ["3"]
str_examples = [(
"MatchesAny(DocTestMatches('1\\n'), DocTestMatches('2\\n'))",
MatchesAny(DocTestMatches("1"), DocTestMatches("2"))),
]
describe_examples = [("""Differences: [
Expected:
1
Got:
3
Expected:
2
Got:
3
]""",
"3", MatchesAny(DocTestMatches("1"), DocTestMatches("2")))]
class TestMatchesAllInterface(TestCase, TestMatchersInterface):
matches_matcher = MatchesAll(NotEquals(1), NotEquals(2))
matches_matches = [3, 4]
matches_mismatches = [1, 2]
str_examples = [
("MatchesAll(NotEquals(1), NotEquals(2))",
MatchesAll(NotEquals(1), NotEquals(2)))]
describe_examples = [
("""Differences: [
1 == 1
]""",
1, MatchesAll(NotEquals(1), NotEquals(2))),
("1 == 1", 1,
MatchesAll(NotEquals(2), NotEquals(1), Equals(3), first_only=True)),
]
class TestAnnotate(TestCase, TestMatchersInterface):
matches_matcher = Annotate("foo", Equals(1))
matches_matches = [1]
matches_mismatches = [2]
str_examples = [
("Annotate('foo', Equals(1))", Annotate("foo", Equals(1)))]
describe_examples = [("1 != 2: foo", 2, Annotate('foo', Equals(1)))]
def test_if_message_no_message(self):
# Annotate.if_message returns the given matcher if there is no
# message.
matcher = Equals(1)
not_annotated = Annotate.if_message('', matcher)
self.assertIs(matcher, not_annotated)
def test_if_message_given_message(self):
# Annotate.if_message returns an annotated version of the matcher if a
# message is provided.
matcher = Equals(1)
expected = Annotate('foo', matcher)
annotated = Annotate.if_message('foo', matcher)
self.assertThat(
annotated,
MatchesStructure.fromExample(expected, 'annotation', 'matcher'))
class TestAnnotatedMismatch(TestCase):
run_tests_with = FullStackRunTest
def test_forwards_details(self):
x = Mismatch('description', {'foo': 'bar'})
annotated = AnnotatedMismatch("annotation", x)
self.assertEqual(x.get_details(), annotated.get_details())
class TestNotInterface(TestCase, TestMatchersInterface):
matches_matcher = Not(Equals(1))
matches_matches = [2]
matches_mismatches = [1]
str_examples = [
("Not(Equals(1))", Not(Equals(1))),
("Not(Equals('1'))", Not(Equals('1')))]
describe_examples = [('1 matches Equals(1)', 1, Not(Equals(1)))]
def is_even(x):
return x % 2 == 0
class TestMatchesPredicate(TestCase, TestMatchersInterface):
matches_matcher = MatchesPredicate(is_even, "%s is not even")
matches_matches = [2, 4, 6, 8]
matches_mismatches = [3, 5, 7, 9]
str_examples = [
("MatchesPredicate(%r, %r)" % (is_even, "%s is not even"),
MatchesPredicate(is_even, "%s is not even")),
]
describe_examples = [
('7 is not even', 7, MatchesPredicate(is_even, "%s is not even")),
]
def test_suite():
from unittest import TestLoader
return TestLoader().loadTestsFromName(__name__)
|
