(self)
| 75 | @unittest.skipUnless(hasattr(readline, "append_history_file"), |
| 76 | "append_history not available") |
| 77 | def test_write_read_append(self): |
| 78 | hfile = tempfile.NamedTemporaryFile(delete=False) |
| 79 | hfile.close() |
| 80 | hfilename = hfile.name |
| 81 | self.addCleanup(unlink, hfilename) |
| 82 | |
| 83 | # test write-clear-read == nop |
| 84 | readline.clear_history() |
| 85 | readline.add_history("first line") |
| 86 | readline.add_history("second line") |
| 87 | readline.write_history_file(hfilename) |
| 88 | |
| 89 | readline.clear_history() |
| 90 | self.assertEqual(readline.get_current_history_length(), 0) |
| 91 | |
| 92 | readline.read_history_file(hfilename) |
| 93 | self.assertEqual(readline.get_current_history_length(), 2) |
| 94 | self.assertEqual(readline.get_history_item(1), "first line") |
| 95 | self.assertEqual(readline.get_history_item(2), "second line") |
| 96 | |
| 97 | # test append |
| 98 | readline.append_history_file(1, hfilename) |
| 99 | readline.clear_history() |
| 100 | readline.read_history_file(hfilename) |
| 101 | self.assertEqual(readline.get_current_history_length(), 3) |
| 102 | self.assertEqual(readline.get_history_item(1), "first line") |
| 103 | self.assertEqual(readline.get_history_item(2), "second line") |
| 104 | self.assertEqual(readline.get_history_item(3), "second line") |
| 105 | |
| 106 | # test 'no such file' behaviour |
| 107 | os.unlink(hfilename) |
| 108 | try: |
| 109 | readline.append_history_file(1, hfilename) |
| 110 | except FileNotFoundError: |
| 111 | pass # Some implementations return this error (libreadline). |
| 112 | else: |
| 113 | os.unlink(hfilename) # Some create it anyways (libedit). |
| 114 | # If the file wasn't created, unlink will fail. |
| 115 | # We're just testing that one of the two expected behaviors happens |
| 116 | # instead of an incorrect error. |
| 117 | |
| 118 | # write_history_file can create the target |
| 119 | readline.write_history_file(hfilename) |
| 120 | |
| 121 | # Negative values should be disallowed |
| 122 | with self.assertRaises(ValueError): |
| 123 | readline.append_history_file(-42, hfilename) |
| 124 | |
| 125 | # See gh-122431, using the minimum signed integer value caused a segfault |
| 126 | with self.assertRaises(ValueError): |
| 127 | readline.append_history_file(-2147483648, hfilename) |
| 128 | |
| 129 | def test_nonascii_history(self): |
| 130 | readline.clear_history() |
nothing calls this directly
no test coverage detected