| """ |
| Very minimal unittests for parts of the readline module. |
| |
| 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. |
| """ |
| import unittest |
| from test.support import run_unittest, import_module |
| |
| # Skip tests if there is no readline module |
| readline = import_module('readline') |
| |
| class TestHistoryManipulation (unittest.TestCase): |
| |
| @unittest.skipIf(not 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) |
| |
| |
| def test_main(): |
| run_unittest(TestHistoryManipulation) |
| |
| if __name__ == "__main__": |
| test_main() |