golden hour

/opt/alt/python37/lib64/python3.7/idlelib/idle_test

File/Folder	Size	Actions
README.txt	8.52 KB
__init__.py	712 B
__pycache__	-
htest.py	14.83 KB
mock_idle.py	1.9 KB
mock_tk.py	11.35 KB
template.py	642 B
test_autocomplete.py	10.47 KB
test_autocomplete_w.py	709 B
test_autoexpand.py	4.53 KB
test_browser.py	7.78 KB
test_calltip.py	9.7 KB
test_calltip_w.py	686 B
test_codecontext.py	15.74 KB
test_colorizer.py	14.67 KB
test_config.py	31.29 KB
test_config_key.py	9.48 KB
test_configdialog.py	53.08 KB
test_debugger.py	571 B
test_debugger_r.py	631 B
test_debugobj.py	1.52 KB
test_debugobj_r.py	545 B
test_delegator.py	1.53 KB
test_editmenu.py	2.5 KB
test_editor.py	7.35 KB
test_filelist.py	795 B
test_format.py	23.06 KB
test_grep.py	4.95 KB
test_help.py	849 B
test_help_about.py	5.78 KB
test_history.py	5.39 KB
test_hyperparser.py	8.87 KB
test_iomenu.py	1.25 KB
test_macosx.py	3.23 KB
test_mainmenu.py	594 B
test_multicall.py	1.29 KB
test_outwin.py	5.42 KB
test_parenmatch.py	3.47 KB
test_pathbrowser.py	2.37 KB
test_percolator.py	3.97 KB
test_pyparse.py	18.78 KB
test_pyshell.py	2.12 KB
test_query.py	14.92 KB
test_redirector.py	4.08 KB
test_replace.py	8.11 KB
test_rpc.py	805 B
test_run.py	11.46 KB
test_runscript.py	777 B
test_scrolledlist.py	496 B
test_search.py	2.4 KB
test_searchbase.py	5.5 KB
test_searchengine.py	11.27 KB
test_sidebar.py	12.92 KB
test_squeezer.py	19.62 KB
test_stackviewer.py	1.18 KB
test_statusbar.py	1.11 KB
test_text.py	6.81 KB
test_textview.py	7.19 KB
test_tooltip.py	5.26 KB
test_tree.py	1.71 KB
test_undo.py	4.13 KB
test_warning.py	2.68 KB
test_window.py	1.05 KB
test_zoomheight.py	999 B

Edit: test_redirector.py

"Test redirector, coverage 100%."

from idlelib.redirector import WidgetRedirector
import unittest
from test.support import requires
from tkinter import Tk, Text, TclError
from idlelib.idle_test.mock_idle import Func

class InitCloseTest(unittest.TestCase):

@classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        cls.root.withdraw()
        cls.text = Text(cls.root)

@classmethod
    def tearDownClass(cls):
        del cls.text
        cls.root.destroy()
        del cls.root

def test_init(self):
        redir = WidgetRedirector(self.text)
        self.assertEqual(redir.widget, self.text)
        self.assertEqual(redir.tk, self.text.tk)
        self.assertRaises(TclError, WidgetRedirector, self.text)
        redir.close()  # restore self.tk, self.text

def test_close(self):
        redir = WidgetRedirector(self.text)
        redir.register('insert', Func)
        redir.close()
        self.assertEqual(redir._operations, {})
        self.assertFalse(hasattr(self.text, 'widget'))

class WidgetRedirectorTest(unittest.TestCase):

@classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        cls.root.withdraw()
        cls.text = Text(cls.root)

@classmethod
    def tearDownClass(cls):
        del cls.text
        cls.root.update_idletasks()
        cls.root.destroy()
        del cls.root

def setUp(self):
        self.redir = WidgetRedirector(self.text)
        self.func = Func()
        self.orig_insert = self.redir.register('insert', self.func)
        self.text.insert('insert', 'asdf')  # leaves self.text empty

def tearDown(self):
        self.text.delete('1.0', 'end')
        self.redir.close()

def test_repr(self):  # partly for 100% coverage
        self.assertIn('Redirector', repr(self.redir))
        self.assertIn('Original', repr(self.orig_insert))

def test_register(self):
        self.assertEqual(self.text.get('1.0', 'end'), '\n')
        self.assertEqual(self.func.args, ('insert', 'asdf'))
        self.assertIn('insert', self.redir._operations)
        self.assertIn('insert', self.text.__dict__)
        self.assertEqual(self.text.insert, self.func)

def test_original_command(self):
        self.assertEqual(self.orig_insert.operation, 'insert')
        self.assertEqual(self.orig_insert.tk_call, self.text.tk.call)
        self.orig_insert('insert', 'asdf')
        self.assertEqual(self.text.get('1.0', 'end'), 'asdf\n')

def test_unregister(self):
        self.assertIsNone(self.redir.unregister('invalid operation name'))
        self.assertEqual(self.redir.unregister('insert'), self.func)
        self.assertNotIn('insert', self.redir._operations)
        self.assertNotIn('insert', self.text.__dict__)

def test_unregister_no_attribute(self):
        del self.text.insert
        self.assertEqual(self.redir.unregister('insert'), self.func)

def test_dispatch_intercept(self):
        self.func.__init__(True)
        self.assertTrue(self.redir.dispatch('insert', False))
        self.assertFalse(self.func.args[0])

def test_dispatch_bypass(self):
        self.orig_insert('insert', 'asdf')
        # tk.call returns '' where Python would return None
        self.assertEqual(self.redir.dispatch('delete', '1.0', 'end'), '')
        self.assertEqual(self.text.get('1.0', 'end'), '\n')

def test_dispatch_error(self):
        self.func.__init__(TclError())
        self.assertEqual(self.redir.dispatch('insert', False), '')
        self.assertEqual(self.redir.dispatch('invalid'), '')

def test_command_dispatch(self):
        # Test that .__init__ causes redirection of tk calls
        # through redir.dispatch
        self.root.call(self.text._w, 'insert', 'hello')
        self.assertEqual(self.func.args, ('hello',))
        self.assertEqual(self.text.get('1.0', 'end'), '\n')
        # Ensure that called through redir .dispatch and not through
        # self.text.insert by having mock raise TclError.
        self.func.__init__(TclError())
        self.assertEqual(self.root.call(self.text._w, 'insert', 'boo'), '')

if __name__ == '__main__':
    unittest.main(verbosity=2)