Accepting request 703991 from home:jayvdb:coala:test-rig

- Initial spec for v1.3.0

OBS-URL: https://build.opensuse.org/request/show/703991
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-pylev?expand=0&rev=1

tests.py

@@ -0,0 +1,45 @@
+import itertools
+import unittest
+import pylev
+
+test_data = [
+    ('classic', "kitten", "sitting", 3),
+    ('same', "kitten", "kitten", 0),
+    ('empty', "", "", 0),
+    ('a', "meilenstein", "levenshtein", 4),
+    ('b', "levenshtein", "frankenstein", 6),
+    ('c', "confide", "deceit", 6),
+    ('d', "CUNsperrICY", "conspiracy", 8),
+]
+
+test_functions = [
+    # pylev.classic_levenshtein,   # disabled because it is so slow
+    pylev.recursive_levenshtein,
+    pylev.wf_levenshtein,
+    pylev.wfi_levenshtein
+]
+
+class Tests(unittest.TestCase):
+
+    def test_damerau_levenshtein(seld):
+        assert pylev.damerau_levenshtein("ba", "abc") == 2
+        assert pylev.damerau_levenshtein("foobar", "foobra") == 1
+        assert pylev.damerau_levenshtein("fee", "deed") == 2
+
+
+def _mk_test_fn(fn, a, b, expected):
+    def _test_fn(self):
+        self.assertEqual(fn(a, b), expected)
+        self.assertEqual(fn(b, a), expected)
+
+    return _test_fn
+
+
+for lev_fn, data in itertools.product(test_functions, test_data):
+    name, a, b, expected = data
+    test_fn = _mk_test_fn(lev_fn, a, b, expected)
+    setattr(Tests, "test_%s_%s" % (name, lev_fn.__name__), test_fn)
+
+
+if __name__ == '__main__':
+    unittest.main()