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# Copyright (c) 2008-2012 testtools developers. See LICENSE for details.
import doctest
import re
import sys
from testtools import TestCase
from testtools.compat import StringIO
from testtools.matchers import (
Annotate,
Equals,
LessThan,
MatchesRegex,
NotEquals,
)
from testtools.matchers._datastructures import (
ContainsAll,
MatchesListwise,
MatchesStructure,
MatchesSetwise,
)
from testtools.tests.helpers import FullStackRunTest
from testtools.tests.matchers.helpers import TestMatchersInterface
def run_doctest(obj, name):
p = doctest.DocTestParser()
t = p.get_doctest(
obj.__doc__, sys.modules[obj.__module__].__dict__, name, '', 0)
r = doctest.DocTestRunner()
output = StringIO()
r.run(t, out=output.write)
return r.failures, output.getvalue()
class TestMatchesListwise(TestCase):
run_tests_with = FullStackRunTest
def test_docstring(self):
failure_count, output = run_doctest(
MatchesListwise, "MatchesListwise")
if failure_count:
self.fail("Doctest failed with %s" % output)
class TestMatchesStructure(TestCase, TestMatchersInterface):
class SimpleClass:
def __init__(self, x, y):
self.x = x
self.y = y
matches_matcher = MatchesStructure(x=Equals(1), y=Equals(2))
matches_matches = [SimpleClass(1, 2)]
matches_mismatches = [
SimpleClass(2, 2),
SimpleClass(1, 1),
SimpleClass(3, 3),
]
str_examples = [
("MatchesStructure(x=Equals(1))", MatchesStructure(x=Equals(1))),
("MatchesStructure(y=Equals(2))", MatchesStructure(y=Equals(2))),
("MatchesStructure(x=Equals(1), y=Equals(2))",
MatchesStructure(x=Equals(1), y=Equals(2))),
]
describe_examples = [
("""\
Differences: [
3 != 1: x
]""", SimpleClass(1, 2), MatchesStructure(x=Equals(3), y=Equals(2))),
("""\
Differences: [
3 != 2: y
]""", SimpleClass(1, 2), MatchesStructure(x=Equals(1), y=Equals(3))),
("""\
Differences: [
0 != 1: x
0 != 2: y
]""", SimpleClass(1, 2), MatchesStructure(x=Equals(0), y=Equals(0))),
]
def test_fromExample(self):
self.assertThat(
self.SimpleClass(1, 2),
MatchesStructure.fromExample(self.SimpleClass(1, 3), 'x'))
def test_byEquality(self):
self.assertThat(
self.SimpleClass(1, 2),
MatchesStructure.byEquality(x=1))
def test_withStructure(self):
self.assertThat(
self.SimpleClass(1, 2),
MatchesStructure.byMatcher(LessThan, x=2))
def test_update(self):
self.assertThat(
self.SimpleClass(1, 2),
MatchesStructure(x=NotEquals(1)).update(x=Equals(1)))
def test_update_none(self):
self.assertThat(
self.SimpleClass(1, 2),
MatchesStructure(x=Equals(1), z=NotEquals(42)).update(
z=None))
class TestMatchesSetwise(TestCase):
run_tests_with = FullStackRunTest
def assertMismatchWithDescriptionMatching(self, value, matcher,
description_matcher):
mismatch = matcher.match(value)
if mismatch is None:
self.fail("%s matched %s" % (matcher, value))
actual_description = mismatch.describe()
self.assertThat(
actual_description,
Annotate(
"%s matching %s" % (matcher, value),
description_matcher))
def test_matches(self):
self.assertIs(
None, MatchesSetwise(Equals(1), Equals(2)).match([2, 1]))
def test_mismatches(self):
self.assertMismatchWithDescriptionMatching(
[2, 3], MatchesSetwise(Equals(1), Equals(2)),
MatchesRegex('.*There was 1 mismatch$', re.S))
def test_too_many_matchers(self):
self.assertMismatchWithDescriptionMatching(
[2, 3], MatchesSetwise(Equals(1), Equals(2), Equals(3)),
Equals('There was 1 matcher left over: Equals(1)'))
def test_too_many_values(self):
self.assertMismatchWithDescriptionMatching(
[1, 2, 3], MatchesSetwise(Equals(1), Equals(2)),
Equals('There was 1 value left over: [3]'))
def test_two_too_many_matchers(self):
self.assertMismatchWithDescriptionMatching(
[3], MatchesSetwise(Equals(1), Equals(2), Equals(3)),
MatchesRegex(
'There were 2 matchers left over: Equals\([12]\), '
'Equals\([12]\)'))
def test_two_too_many_values(self):
self.assertMismatchWithDescriptionMatching(
[1, 2, 3, 4], MatchesSetwise(Equals(1), Equals(2)),
MatchesRegex(
'There were 2 values left over: \[[34], [34]\]'))
def test_mismatch_and_too_many_matchers(self):
self.assertMismatchWithDescriptionMatching(
[2, 3], MatchesSetwise(Equals(0), Equals(1), Equals(2)),
MatchesRegex(
'.*There was 1 mismatch and 1 extra matcher: Equals\([01]\)',
re.S))
def test_mismatch_and_too_many_values(self):
self.assertMismatchWithDescriptionMatching(
[2, 3, 4], MatchesSetwise(Equals(1), Equals(2)),
MatchesRegex(
'.*There was 1 mismatch and 1 extra value: \[[34]\]',
re.S))
def test_mismatch_and_two_too_many_matchers(self):
self.assertMismatchWithDescriptionMatching(
[3, 4], MatchesSetwise(
Equals(0), Equals(1), Equals(2), Equals(3)),
MatchesRegex(
'.*There was 1 mismatch and 2 extra matchers: '
'Equals\([012]\), Equals\([012]\)', re.S))
def test_mismatch_and_two_too_many_values(self):
self.assertMismatchWithDescriptionMatching(
[2, 3, 4, 5], MatchesSetwise(Equals(1), Equals(2)),
MatchesRegex(
'.*There was 1 mismatch and 2 extra values: \[[145], [145]\]',
re.S))
class TestContainsAllInterface(TestCase, TestMatchersInterface):
matches_matcher = ContainsAll(['foo', 'bar'])
matches_matches = [['foo', 'bar'], ['foo', 'z', 'bar'], ['bar', 'foo']]
matches_mismatches = [['f', 'g'], ['foo', 'baz'], []]
str_examples = [(
"MatchesAll(Contains('foo'), Contains('bar'))",
ContainsAll(['foo', 'bar'])),
]
describe_examples = [("""Differences: [
'baz' not in 'foo'
]""",
'foo', ContainsAll(['foo', 'baz']))]
def test_suite():
from unittest import TestLoader
return TestLoader().loadTestsFromName(__name__)
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