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_autoexpand.py

"Test autoexpand, coverage 100%."

from idlelib.autoexpand import AutoExpand
import unittest
from test.support import requires
from tkinter import Text, Tk

class DummyEditwin:
    # AutoExpand.__init__ only needs .text
    def __init__(self, text):
        self.text = text

class AutoExpandTest(unittest.TestCase):

@classmethod
    def setUpClass(cls):
        requires('gui')
        cls.tk = Tk()
        cls.text = Text(cls.tk)
        cls.auto_expand = AutoExpand(DummyEditwin(cls.text))
        cls.auto_expand.bell = lambda: None

# If mock_tk.Text._decode understood indexes 'insert' with suffixed 'linestart',
# 'wordstart', and 'lineend', used by autoexpand, we could use the following
# to run these test on non-gui machines (but check bell).
##        try:
##            requires('gui')
##            #raise ResourceDenied()  # Uncomment to test mock.
##        except ResourceDenied:
##            from idlelib.idle_test.mock_tk import Text
##            cls.text = Text()
##            cls.text.bell = lambda: None
##        else:
##            from tkinter import Tk, Text
##            cls.tk = Tk()
##            cls.text = Text(cls.tk)

@classmethod
    def tearDownClass(cls):
        del cls.text, cls.auto_expand
        if hasattr(cls, 'tk'):
            cls.tk.destroy()
            del cls.tk

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

def test_get_prevword(self):
        text = self.text
        previous = self.auto_expand.getprevword
        equal = self.assertEqual

equal(previous(), '')

text.insert('insert', 't')
        equal(previous(), 't')

text.insert('insert', 'his')
        equal(previous(), 'this')

text.insert('insert', ' ')
        equal(previous(), '')

text.insert('insert', 'is')
        equal(previous(), 'is')

text.insert('insert', '\nsample\nstring')
        equal(previous(), 'string')

text.delete('3.0', 'insert')
        equal(previous(), '')

text.delete('1.0', 'end')
        equal(previous(), '')

def test_before_only(self):
        previous = self.auto_expand.getprevword
        expand = self.auto_expand.expand_word_event
        equal = self.assertEqual

self.text.insert('insert', 'ab ac bx ad ab a')
        equal(self.auto_expand.getwords(), ['ab', 'ad', 'ac', 'a'])
        expand('event')
        equal(previous(), 'ab')
        expand('event')
        equal(previous(), 'ad')
        expand('event')
        equal(previous(), 'ac')
        expand('event')
        equal(previous(), 'a')

def test_after_only(self):
        # Also add punctuation 'noise' that should be ignored.
        text = self.text
        previous = self.auto_expand.getprevword
        expand = self.auto_expand.expand_word_event
        equal = self.assertEqual

text.insert('insert', 'a, [ab] ac: () bx"" cd ac= ad ya')
        text.mark_set('insert', '1.1')
        equal(self.auto_expand.getwords(), ['ab', 'ac', 'ad', 'a'])
        expand('event')
        equal(previous(), 'ab')
        expand('event')
        equal(previous(), 'ac')
        expand('event')
        equal(previous(), 'ad')
        expand('event')
        equal(previous(), 'a')

def test_both_before_after(self):
        text = self.text
        previous = self.auto_expand.getprevword
        expand = self.auto_expand.expand_word_event
        equal = self.assertEqual

text.insert('insert', 'ab xy yz\n')
        text.insert('insert', 'a ac by ac')

text.mark_set('insert', '2.1')
        equal(self.auto_expand.getwords(), ['ab', 'ac', 'a'])
        expand('event')
        equal(previous(), 'ab')
        expand('event')
        equal(previous(), 'ac')
        expand('event')
        equal(previous(), 'a')

def test_other_expand_cases(self):
        text = self.text
        expand = self.auto_expand.expand_word_event
        equal = self.assertEqual

# no expansion candidate found
        equal(self.auto_expand.getwords(), [])
        equal(expand('event'), 'break')

text.insert('insert', 'bx cy dz a')
        equal(self.auto_expand.getwords(), [])

# reset state by successfully expanding once
        # move cursor to another position and expand again
        text.insert('insert', 'ac xy a ac ad a')
        text.mark_set('insert', '1.7')
        expand('event')
        initial_state = self.auto_expand.state
        text.mark_set('insert', '1.end')
        expand('event')
        new_state = self.auto_expand.state
        self.assertNotEqual(initial_state, new_state)

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