python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_keyword.py

@@ -0,0 +1,138 @@
+import keyword
+import unittest
+from test import support
+import filecmp
+import os
+import sys
+import subprocess
+import shutil
+import textwrap
+
+KEYWORD_FILE             = support.findfile('keyword.py')
+GRAMMAR_FILE             = os.path.join(os.path.split(__file__)[0],
+                                        '..', '..', 'Python', 'graminit.c')
+TEST_PY_FILE             = 'keyword_test.py'
+GRAMMAR_TEST_FILE        = 'graminit_test.c'
+PY_FILE_WITHOUT_KEYWORDS = 'minimal_keyword.py'
+NONEXISTENT_FILE         = 'not_here.txt'
+
+
+class Test_iskeyword(unittest.TestCase):
+    def test_true_is_a_keyword(self):
+        self.assertTrue(keyword.iskeyword('True'))
+
+    def test_uppercase_true_is_not_a_keyword(self):
+        self.assertFalse(keyword.iskeyword('TRUE'))
+
+    def test_none_value_is_not_a_keyword(self):
+        self.assertFalse(keyword.iskeyword(None))
+
+    # This is probably an accident of the current implementation, but should be
+    # preserved for backward compatibility.
+    def test_changing_the_kwlist_does_not_affect_iskeyword(self):
+        oldlist = keyword.kwlist
+        self.addCleanup(setattr, keyword, 'kwlist', oldlist)
+        keyword.kwlist = ['its', 'all', 'eggs', 'beans', 'and', 'a', 'slice']
+        self.assertFalse(keyword.iskeyword('eggs'))
+
+
+class TestKeywordGeneration(unittest.TestCase):
+
+    def _copy_file_without_generated_keywords(self, source_file, dest_file):
+        with open(source_file, 'rb') as fp:
+            lines = fp.readlines()
+        nl = lines[0][len(lines[0].strip()):]
+        with open(dest_file, 'wb') as fp:
+            fp.writelines(lines[:lines.index(b"#--start keywords--" + nl) + 1])
+            fp.writelines(lines[lines.index(b"#--end keywords--" + nl):])
+
+    def _generate_keywords(self, grammar_file, target_keyword_py_file):
+        proc = subprocess.Popen([sys.executable,
+                                 KEYWORD_FILE,
+                                 grammar_file,
+                                 target_keyword_py_file], stderr=subprocess.PIPE)
+        stderr = proc.communicate()[1]
+        return proc.returncode, stderr
+
+    @unittest.skipIf(not os.path.exists(GRAMMAR_FILE),
+                     'test only works from source build directory')
+    def test_real_grammar_and_keyword_file(self):
+        self._copy_file_without_generated_keywords(KEYWORD_FILE, TEST_PY_FILE)
+        self.addCleanup(support.unlink, TEST_PY_FILE)
+        self.assertFalse(filecmp.cmp(KEYWORD_FILE, TEST_PY_FILE))
+        self.assertEqual((0, b''), self._generate_keywords(GRAMMAR_FILE,
+                                                           TEST_PY_FILE))
+        self.assertTrue(filecmp.cmp(KEYWORD_FILE, TEST_PY_FILE))
+
+    def test_grammar(self):
+        self._copy_file_without_generated_keywords(KEYWORD_FILE, TEST_PY_FILE)
+        self.addCleanup(support.unlink, TEST_PY_FILE)
+        with open(GRAMMAR_TEST_FILE, 'w') as fp:
+            # Some of these are probably implementation accidents.
+            fp.writelines(textwrap.dedent("""\
+                {2, 1},
+                    {11, "encoding_decl", 0, 2, states_79,
+                     "\000\000\040\000\000\000\000\000\000\000\000\000"
+                     "\000\000\000\000\000\000\000\000\000"},
+                    {1, "jello"},
+                    {326, 0},
+                    {1, "turnip"},
+                \t{1, "This one is tab indented"
+                    {278, 0},
+                    {1, "crazy but legal"
+                "also legal" {1, "
+                    {1, "continue"},
+                   {1, "lemon"},
+                     {1, "tomato"},
+                {1, "wigii"},
+                    {1, 'no good'}
+                    {283, 0},
+                    {1,  "too many spaces"}"""))
+        self.addCleanup(support.unlink, GRAMMAR_TEST_FILE)
+        self._generate_keywords(GRAMMAR_TEST_FILE, TEST_PY_FILE)
+        expected = [
+            "        'This one is tab indented',",
+            "        'also legal',",
+            "        'continue',",
+            "        'crazy but legal',",
+            "        'jello',",
+            "        'lemon',",
+            "        'tomato',",
+            "        'turnip',",
+            "        'wigii',",
+            ]
+        with open(TEST_PY_FILE) as fp:
+            lines = fp.read().splitlines()
+        start = lines.index("#--start keywords--") + 1
+        end = lines.index("#--end keywords--")
+        actual = lines[start:end]
+        self.assertEqual(actual, expected)
+
+    def test_empty_grammar_results_in_no_keywords(self):
+        self._copy_file_without_generated_keywords(KEYWORD_FILE,
+                                                   PY_FILE_WITHOUT_KEYWORDS)
+        self.addCleanup(support.unlink, PY_FILE_WITHOUT_KEYWORDS)
+        shutil.copyfile(KEYWORD_FILE, TEST_PY_FILE)
+        self.addCleanup(support.unlink, TEST_PY_FILE)
+        self.assertEqual((0, b''), self._generate_keywords(os.devnull,
+                                                           TEST_PY_FILE))
+        self.assertTrue(filecmp.cmp(TEST_PY_FILE, PY_FILE_WITHOUT_KEYWORDS))
+
+    def test_keywords_py_without_markers_produces_error(self):
+        rc, stderr = self._generate_keywords(os.devnull, os.devnull)
+        self.assertNotEqual(rc, 0)
+        self.assertRegex(stderr, b'does not contain format markers')
+
+    def test_missing_grammar_file_produces_error(self):
+        rc, stderr = self._generate_keywords(NONEXISTENT_FILE, KEYWORD_FILE)
+        self.assertNotEqual(rc, 0)
+        self.assertRegex(stderr, b'(?ms)' + NONEXISTENT_FILE.encode())
+
+    def test_missing_keywords_py_file_produces_error(self):
+        rc, stderr = self._generate_keywords(os.devnull, NONEXISTENT_FILE)
+        self.assertNotEqual(rc, 0)
+        self.assertRegex(stderr, b'(?ms)' + NONEXISTENT_FILE.encode())
+
+
+if __name__ == "__main__":
+    unittest.main()