| "Test pyshell, coverage 12%." |
| |
|
|
| from idlelib import pyshell |
| import unittest |
| from test.support import requires |
| from tkinter import Tk |
|
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|
|
| class FunctionTest(unittest.TestCase): |
| |
|
|
| def test_restart_line_wide(self): |
| eq = self.assertEqual |
| for file, mul, extra in (('', 22, ''), ('finame', 21, '=')): |
| width = 60 |
| bar = mul * '=' |
| with self.subTest(file=file, bar=bar): |
| file = file or 'Shell' |
| line = pyshell.restart_line(width, file) |
| eq(len(line), width) |
| eq(line, f"{bar+extra} RESTART: {file} {bar}") |
|
|
| def test_restart_line_narrow(self): |
| expect, taglen = "= RESTART: Shell", 16 |
| for width in (taglen-1, taglen, taglen+1): |
| with self.subTest(width=width): |
| self.assertEqual(pyshell.restart_line(width, ''), expect) |
| self.assertEqual(pyshell.restart_line(taglen+2, ''), expect+' =') |
|
|
|
|
| class PyShellFileListTest(unittest.TestCase): |
|
|
| @classmethod |
| def setUpClass(cls): |
| requires('gui') |
| cls.root = Tk() |
| cls.root.withdraw() |
|
|
| @classmethod |
| def tearDownClass(cls): |
| |
| |
| |
| cls.root.destroy() |
| del cls.root |
|
|
| def test_init(self): |
| psfl = pyshell.PyShellFileList(self.root) |
| self.assertEqual(psfl.EditorWindow, pyshell.PyShellEditorWindow) |
| self.assertIsNone(psfl.pyshell) |
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|
| class PyShellRemoveLastNewlineAndSurroundingWhitespaceTest(unittest.TestCase): |
| regexp = pyshell.PyShell._last_newline_re |
|
|
| def all_removed(self, text): |
| self.assertEqual('', self.regexp.sub('', text)) |
|
|
| def none_removed(self, text): |
| self.assertEqual(text, self.regexp.sub('', text)) |
|
|
| def check_result(self, text, expected): |
| self.assertEqual(expected, self.regexp.sub('', text)) |
|
|
| def test_empty(self): |
| self.all_removed('') |
|
|
| def test_newline(self): |
| self.all_removed('\n') |
|
|
| def test_whitespace_no_newline(self): |
| self.all_removed(' ') |
| self.all_removed(' ') |
| self.all_removed(' ') |
| self.all_removed(' ' * 20) |
| self.all_removed('\t') |
| self.all_removed('\t\t') |
| self.all_removed('\t\t\t') |
| self.all_removed('\t' * 20) |
| self.all_removed('\t ') |
| self.all_removed(' \t') |
| self.all_removed(' \t \t ') |
| self.all_removed('\t \t \t') |
|
|
| def test_newline_with_whitespace(self): |
| self.all_removed(' \n') |
| self.all_removed('\t\n') |
| self.all_removed(' \t\n') |
| self.all_removed('\t \n') |
| self.all_removed('\n ') |
| self.all_removed('\n\t') |
| self.all_removed('\n \t') |
| self.all_removed('\n\t ') |
| self.all_removed(' \n ') |
| self.all_removed('\t\n ') |
| self.all_removed(' \n\t') |
| self.all_removed('\t\n\t') |
| self.all_removed('\t \t \t\n') |
| self.all_removed(' \t \t \n') |
| self.all_removed('\n\t \t \t') |
| self.all_removed('\n \t \t ') |
|
|
| def test_multiple_newlines(self): |
| self.check_result('\n\n', '\n') |
| self.check_result('\n' * 5, '\n' * 4) |
| self.check_result('\n' * 5 + '\t', '\n' * 4) |
| self.check_result('\n' * 20, '\n' * 19) |
| self.check_result('\n' * 20 + ' ', '\n' * 19) |
| self.check_result(' \n \n ', ' \n') |
| self.check_result(' \n\n ', ' \n') |
| self.check_result(' \n\n', ' \n') |
| self.check_result('\t\n\n', '\t\n') |
| self.check_result('\n\n ', '\n') |
| self.check_result('\n\n\t', '\n') |
| self.check_result(' \n \n ', ' \n') |
| self.check_result('\t\n\t\n\t', '\t\n') |
|
|
| def test_non_whitespace(self): |
| self.none_removed('a') |
| self.check_result('a\n', 'a') |
| self.check_result('a\n ', 'a') |
| self.check_result('a \n ', 'a') |
| self.check_result('a \n\t', 'a') |
| self.none_removed('-') |
| self.check_result('-\n', '-') |
| self.none_removed('.') |
| self.check_result('.\n', '.') |
|
|
| def test_unsupported_whitespace(self): |
| self.none_removed('\v') |
| self.none_removed('\n\v') |
| self.check_result('\v\n', '\v') |
| self.none_removed(' \n\v') |
| self.check_result('\v\n ', '\v') |
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|
|
|
| if __name__ == '__main__': |
| unittest.main(verbosity=2) |
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|
