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-rw-r--r--lib/subunit/python/testtools/tests/test_matchers.py113
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diff --git a/lib/subunit/python/testtools/tests/test_matchers.py b/lib/subunit/python/testtools/tests/test_matchers.py
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+++ b/lib/subunit/python/testtools/tests/test_matchers.py
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+# Copyright (c) 2008 Jonathan M. Lange. See LICENSE for details.
+
+"""Tests for matchers."""
+
+import doctest
+
+from testtools import (
+ Matcher, # check that Matcher is exposed at the top level for docs.
+ TestCase,
+ )
+from testtools.matchers import (
+ Equals,
+ DocTestMatches,
+ MatchesAny,
+ )
+
+
+class TestMatchersInterface:
+
+ def test_matches_match(self):
+ matcher = self.matches_matcher
+ matches = self.matches_matches
+ mismatches = self.matches_mismatches
+ for candidate in matches:
+ self.assertEqual(None, matcher.match(candidate))
+ for candidate in mismatches:
+ mismatch = matcher.match(candidate)
+ self.assertNotEqual(None, mismatch)
+ self.assertNotEqual(None, getattr(mismatch, 'describe', None))
+
+ def test__str__(self):
+ # [(expected, object to __str__)].
+ examples = self.str_examples
+ for expected, matcher in examples:
+ self.assertThat(matcher, DocTestMatches(expected))
+
+ def test_describe_difference(self):
+ # [(expected, matchee, matcher), ...]
+ examples = self.describe_examples
+ for difference, matchee, matcher in examples:
+ mismatch = matcher.match(matchee)
+ self.assertEqual(difference, mismatch.describe())
+
+
+class TestDocTestMatchesInterface(TestCase, TestMatchersInterface):
+
+ matches_matcher = DocTestMatches("Ran 1 test in ...s", doctest.ELLIPSIS)
+ matches_matches = ["Ran 1 test in 0.000s", "Ran 1 test in 1.234s"]
+ matches_mismatches = ["Ran 1 tests in 0.000s", "Ran 2 test in 0.000s"]
+
+ str_examples = [("DocTestMatches('Ran 1 test in ...s\\n')",
+ DocTestMatches("Ran 1 test in ...s")),
+ ("DocTestMatches('foo\\n', flags=8)", DocTestMatches("foo", flags=8)),
+ ]
+
+ describe_examples = [('Expected:\n Ran 1 tests in ...s\nGot:\n'
+ ' Ran 1 test in 0.123s\n', "Ran 1 test in 0.123s",
+ DocTestMatches("Ran 1 tests in ...s", doctest.ELLIPSIS))]
+
+
+class TestDocTestMatchesSpecific(TestCase):
+
+ def test___init__simple(self):
+ matcher = DocTestMatches("foo")
+ self.assertEqual("foo\n", matcher.want)
+
+ def test___init__flags(self):
+ matcher = DocTestMatches("bar\n", doctest.ELLIPSIS)
+ self.assertEqual("bar\n", matcher.want)
+ self.assertEqual(doctest.ELLIPSIS, matcher.flags)
+
+
+class TestEqualsInterface(TestCase, TestMatchersInterface):
+
+ matches_matcher = Equals(1)
+ matches_matches = [1]
+ matches_mismatches = [2]
+
+ str_examples = [("Equals(1)", Equals(1)), ("Equals('1')", Equals('1'))]
+
+ describe_examples = [("1 != 2", 2, Equals(1))]
+
+
+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")))]
+
+
+def test_suite():
+ from unittest import TestLoader
+ return TestLoader().loadTestsFromName(__name__)