149 lines
4.8 KiB
Python
149 lines
4.8 KiB
Python
"Test pyshell, coverage 12%."
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# Plus coverage of test_warning. Was 20% with test_openshell.
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from idlelib import pyshell
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import unittest
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from test.support import requires
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from tkinter import Tk
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class FunctionTest(unittest.TestCase):
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# Test stand-alone module level non-gui functions.
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def test_restart_line_wide(self):
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eq = self.assertEqual
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for file, mul, extra in (('', 22, ''), ('finame', 21, '=')):
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width = 60
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bar = mul * '='
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with self.subTest(file=file, bar=bar):
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file = file or 'Shell'
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line = pyshell.restart_line(width, file)
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eq(len(line), width)
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eq(line, f"{bar+extra} RESTART: {file} {bar}")
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def test_restart_line_narrow(self):
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expect, taglen = "= RESTART: Shell", 16
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for width in (taglen-1, taglen, taglen+1):
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with self.subTest(width=width):
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self.assertEqual(pyshell.restart_line(width, ''), expect)
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self.assertEqual(pyshell.restart_line(taglen+2, ''), expect+' =')
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class PyShellFileListTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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requires('gui')
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cls.root = Tk()
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cls.root.withdraw()
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@classmethod
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def tearDownClass(cls):
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#cls.root.update_idletasks()
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## for id in cls.root.tk.call('after', 'info'):
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## cls.root.after_cancel(id) # Need for EditorWindow.
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cls.root.destroy()
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del cls.root
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def test_init(self):
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psfl = pyshell.PyShellFileList(self.root)
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self.assertEqual(psfl.EditorWindow, pyshell.PyShellEditorWindow)
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self.assertIsNone(psfl.pyshell)
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# The following sometimes causes 'invalid command name "109734456recolorize"'.
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# Uncommenting after_cancel above prevents this, but results in
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# TclError: bad window path name ".!listedtoplevel.!frame.text"
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# which is normally prevented by after_cancel.
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## def test_openshell(self):
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## pyshell.use_subprocess = False
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## ps = pyshell.PyShellFileList(self.root).open_shell()
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## self.assertIsInstance(ps, pyshell.PyShell)
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class PyShellRemoveLastNewlineAndSurroundingWhitespaceTest(unittest.TestCase):
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regexp = pyshell.PyShell._last_newline_re
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def all_removed(self, text):
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self.assertEqual('', self.regexp.sub('', text))
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def none_removed(self, text):
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self.assertEqual(text, self.regexp.sub('', text))
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def check_result(self, text, expected):
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self.assertEqual(expected, self.regexp.sub('', text))
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def test_empty(self):
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self.all_removed('')
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def test_newline(self):
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self.all_removed('\n')
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def test_whitespace_no_newline(self):
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self.all_removed(' ')
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self.all_removed(' ')
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self.all_removed(' ')
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self.all_removed(' ' * 20)
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self.all_removed('\t')
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self.all_removed('\t\t')
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self.all_removed('\t\t\t')
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self.all_removed('\t' * 20)
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self.all_removed('\t ')
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self.all_removed(' \t')
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self.all_removed(' \t \t ')
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self.all_removed('\t \t \t')
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def test_newline_with_whitespace(self):
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self.all_removed(' \n')
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self.all_removed('\t\n')
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self.all_removed(' \t\n')
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self.all_removed('\t \n')
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self.all_removed('\n ')
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self.all_removed('\n\t')
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self.all_removed('\n \t')
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self.all_removed('\n\t ')
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self.all_removed(' \n ')
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self.all_removed('\t\n ')
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self.all_removed(' \n\t')
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self.all_removed('\t\n\t')
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self.all_removed('\t \t \t\n')
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self.all_removed(' \t \t \n')
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self.all_removed('\n\t \t \t')
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self.all_removed('\n \t \t ')
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def test_multiple_newlines(self):
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self.check_result('\n\n', '\n')
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self.check_result('\n' * 5, '\n' * 4)
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self.check_result('\n' * 5 + '\t', '\n' * 4)
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self.check_result('\n' * 20, '\n' * 19)
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self.check_result('\n' * 20 + ' ', '\n' * 19)
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self.check_result(' \n \n ', ' \n')
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self.check_result(' \n\n ', ' \n')
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self.check_result(' \n\n', ' \n')
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self.check_result('\t\n\n', '\t\n')
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self.check_result('\n\n ', '\n')
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self.check_result('\n\n\t', '\n')
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self.check_result(' \n \n ', ' \n')
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self.check_result('\t\n\t\n\t', '\t\n')
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def test_non_whitespace(self):
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self.none_removed('a')
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self.check_result('a\n', 'a')
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self.check_result('a\n ', 'a')
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self.check_result('a \n ', 'a')
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self.check_result('a \n\t', 'a')
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self.none_removed('-')
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self.check_result('-\n', '-')
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self.none_removed('.')
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self.check_result('.\n', '.')
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def test_unsupported_whitespace(self):
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self.none_removed('\v')
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self.none_removed('\n\v')
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self.check_result('\v\n', '\v')
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self.none_removed(' \n\v')
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self.check_result('\v\n ', '\v')
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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