| """ | |
| Very minimal unittests for parts of the readline module. | |
| """ | |
| import os | |
| import unittest | |
| from test.test_support import run_unittest, import_module | |
| from test.script_helper import assert_python_ok | |
| # Skip tests if there is no readline module | |
| readline = import_module('readline') | |
| class TestHistoryManipulation (unittest.TestCase): | |
| """These tests were added to check that the libedit emulation on OSX and | |
| the "real" readline have the same interface for history manipulation. | |
| That's why the tests cover only a small subset of the interface. | |
| """ | |
| @unittest.skipUnless(hasattr(readline, "clear_history"), | |
| "The history update test cannot be run because the " | |
| "clear_history method is not available.") | |
| def testHistoryUpdates(self): | |
| readline.clear_history() | |
| readline.add_history("first line") | |
| readline.add_history("second line") | |
| self.assertEqual(readline.get_history_item(0), None) | |
| self.assertEqual(readline.get_history_item(1), "first line") | |
| self.assertEqual(readline.get_history_item(2), "second line") | |
| readline.replace_history_item(0, "replaced line") | |
| self.assertEqual(readline.get_history_item(0), None) | |
| self.assertEqual(readline.get_history_item(1), "replaced line") | |
| self.assertEqual(readline.get_history_item(2), "second line") | |
| self.assertEqual(readline.get_current_history_length(), 2) | |
| readline.remove_history_item(0) | |
| self.assertEqual(readline.get_history_item(0), None) | |
| self.assertEqual(readline.get_history_item(1), "second line") | |
| self.assertEqual(readline.get_current_history_length(), 1) | |
| class TestReadline(unittest.TestCase): | |
| @unittest.skipIf(readline._READLINE_VERSION < 0x0601 | |
| and "libedit" not in readline.__doc__, | |
| "not supported in this library version") | |
| def test_init(self): | |
| # Issue #19884: Ensure that the ANSI sequence "\033[1034h" is not | |
| # written into stdout when the readline module is imported and stdout | |
| # is redirected to a pipe. | |
| rc, stdout, stderr = assert_python_ok('-c', 'import readline', | |
| TERM='xterm-256color') | |
| self.assertEqual(stdout, b'') | |
| def test_main(): | |
| run_unittest(TestHistoryManipulation, TestReadline) | |
| if __name__ == "__main__": | |
| test_main() |