From 29261f6f3131e31ebf5cb04fd207da9bd559f4eb Mon Sep 17 00:00:00 2001
From: Padraic Fanning <fanninpm@miamioh.edu>
Date: Fri, 19 Feb 2021 13:11:20 -0500
Subject: [PATCH] Add test_fnmatch from CPython 3.8.7

---
 Lib/test/test_fnmatch.py | 140 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 Lib/test/test_fnmatch.py

diff --git a/Lib/test/test_fnmatch.py b/Lib/test/test_fnmatch.py
new file mode 100644
index 000000000..55f9f0d3a
--- /dev/null
+++ b/Lib/test/test_fnmatch.py
@@ -0,0 +1,140 @@
+"""Test cases for the fnmatch module."""
+
+import unittest
+import os
+import warnings
+
+from fnmatch import fnmatch, fnmatchcase, translate, filter
+
+class FnmatchTestCase(unittest.TestCase):
+
+    def check_match(self, filename, pattern, should_match=True, fn=fnmatch):
+        if should_match:
+            self.assertTrue(fn(filename, pattern),
+                         "expected %r to match pattern %r"
+                         % (filename, pattern))
+        else:
+            self.assertFalse(fn(filename, pattern),
+                         "expected %r not to match pattern %r"
+                         % (filename, pattern))
+
+    def test_fnmatch(self):
+        check = self.check_match
+        check('abc', 'abc')
+        check('abc', '?*?')
+        check('abc', '???*')
+        check('abc', '*???')
+        check('abc', '???')
+        check('abc', '*')
+        check('abc', 'ab[cd]')
+        check('abc', 'ab[!de]')
+        check('abc', 'ab[de]', False)
+        check('a', '??', False)
+        check('a', 'b', False)
+
+        # these test that '\' is handled correctly in character sets;
+        # see SF bug #409651
+        check('\\', r'[\]')
+        check('a', r'[!\]')
+        check('\\', r'[!\]', False)
+
+        # test that filenames with newlines in them are handled correctly.
+        # http://bugs.python.org/issue6665
+        check('foo\nbar', 'foo*')
+        check('foo\nbar\n', 'foo*')
+        check('\nfoo', 'foo*', False)
+        check('\n', '*')
+
+    def test_mix_bytes_str(self):
+        self.assertRaises(TypeError, fnmatch, 'test', b'*')
+        self.assertRaises(TypeError, fnmatch, b'test', '*')
+        self.assertRaises(TypeError, fnmatchcase, 'test', b'*')
+        self.assertRaises(TypeError, fnmatchcase, b'test', '*')
+
+    def test_fnmatchcase(self):
+        check = self.check_match
+        check('abc', 'abc', True, fnmatchcase)
+        check('AbC', 'abc', False, fnmatchcase)
+        check('abc', 'AbC', False, fnmatchcase)
+        check('AbC', 'AbC', True, fnmatchcase)
+
+        check('usr/bin', 'usr/bin', True, fnmatchcase)
+        check('usr\\bin', 'usr/bin', False, fnmatchcase)
+        check('usr/bin', 'usr\\bin', False, fnmatchcase)
+        check('usr\\bin', 'usr\\bin', True, fnmatchcase)
+
+    def test_bytes(self):
+        self.check_match(b'test', b'te*')
+        self.check_match(b'test\xff', b'te*\xff')
+        self.check_match(b'foo\nbar', b'foo*')
+
+    def test_case(self):
+        ignorecase = os.path.normcase('ABC') == os.path.normcase('abc')
+        check = self.check_match
+        check('abc', 'abc')
+        check('AbC', 'abc', ignorecase)
+        check('abc', 'AbC', ignorecase)
+        check('AbC', 'AbC')
+
+    def test_sep(self):
+        normsep = os.path.normcase('\\') == os.path.normcase('/')
+        check = self.check_match
+        check('usr/bin', 'usr/bin')
+        check('usr\\bin', 'usr/bin', normsep)
+        check('usr/bin', 'usr\\bin', normsep)
+        check('usr\\bin', 'usr\\bin')
+
+    def test_warnings(self):
+        with warnings.catch_warnings():
+            warnings.simplefilter('error', Warning)
+            check = self.check_match
+            check('[', '[[]')
+            check('&', '[a&&b]')
+            check('|', '[a||b]')
+            check('~', '[a~~b]')
+            check(',', '[a-z+--A-Z]')
+            check('.', '[a-z--/A-Z]')
+
+
+class TranslateTestCase(unittest.TestCase):
+
+    def test_translate(self):
+        self.assertEqual(translate('*'), r'(?s:.*)\Z')
+        self.assertEqual(translate('?'), r'(?s:.)\Z')
+        self.assertEqual(translate('a?b*'), r'(?s:a.b.*)\Z')
+        self.assertEqual(translate('[abc]'), r'(?s:[abc])\Z')
+        self.assertEqual(translate('[]]'), r'(?s:[]])\Z')
+        self.assertEqual(translate('[!x]'), r'(?s:[^x])\Z')
+        self.assertEqual(translate('[^x]'), r'(?s:[\^x])\Z')
+        self.assertEqual(translate('[x'), r'(?s:\[x)\Z')
+
+
+class FilterTestCase(unittest.TestCase):
+
+    def test_filter(self):
+        self.assertEqual(filter(['Python', 'Ruby', 'Perl', 'Tcl'], 'P*'),
+                         ['Python', 'Perl'])
+        self.assertEqual(filter([b'Python', b'Ruby', b'Perl', b'Tcl'], b'P*'),
+                         [b'Python', b'Perl'])
+
+    def test_mix_bytes_str(self):
+        self.assertRaises(TypeError, filter, ['test'], b'*')
+        self.assertRaises(TypeError, filter, [b'test'], '*')
+
+    def test_case(self):
+        ignorecase = os.path.normcase('P') == os.path.normcase('p')
+        self.assertEqual(filter(['Test.py', 'Test.rb', 'Test.PL'], '*.p*'),
+                         ['Test.py', 'Test.PL'] if ignorecase else ['Test.py'])
+        self.assertEqual(filter(['Test.py', 'Test.rb', 'Test.PL'], '*.P*'),
+                         ['Test.py', 'Test.PL'] if ignorecase else ['Test.PL'])
+
+    def test_sep(self):
+        normsep = os.path.normcase('\\') == os.path.normcase('/')
+        self.assertEqual(filter(['usr/bin', 'usr', 'usr\\lib'], 'usr/*'),
+                         ['usr/bin', 'usr\\lib'] if normsep else ['usr/bin'])
+        self.assertEqual(filter(['usr/bin', 'usr', 'usr\\lib'], 'usr\\*'),
+                         ['usr/bin', 'usr\\lib'] if normsep else ['usr\\lib'])
+
+
+if __name__ == "__main__":
+    unittest.main()