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__pycache__	[ DIR ]	drwxr-sr-x	2025-06-04 09:23
README.txt	8.52 KB	-rw-r--r--	2025-06-04 09:23
__init__.py	712 B	-rw-r--r--	2025-06-04 09:23
example_noext	68 B	-rw-r--r--	2025-06-04 09:23
example_stub.pyi	87 B	-rw-r--r--	2025-06-04 09:23
htest.py	14.84 KB	-rw-r--r--	2025-06-04 09:23
mock_idle.py	1.9 KB	-rw-r--r--	2025-06-04 09:23
mock_tk.py	11.42 KB	-rw-r--r--	2025-06-04 09:23
template.py	642 B	-rw-r--r--	2025-06-04 09:23
test_autocomplete.py	10.83 KB	-rw-r--r--	2025-06-04 09:23
test_autocomplete_w.py	720 B	-rw-r--r--	2025-06-04 09:23
test_autoexpand.py	4.53 KB	-rw-r--r--	2025-06-04 09:23
test_browser.py	8.22 KB	-rw-r--r--	2025-06-04 09:23
test_calltip.py	12.88 KB	-rw-r--r--	2025-06-04 09:23
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test_colorizer.py	22.35 KB	-rw-r--r--	2025-06-04 09:23
test_config.py	31.29 KB	-rw-r--r--	2025-06-04 09:23
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test_delegator.py	1.53 KB	-rw-r--r--	2025-06-04 09:23
test_editmenu.py	2.5 KB	-rw-r--r--	2025-06-04 09:23
test_editor.py	7.05 KB	-rw-r--r--	2025-06-04 09:23
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test_outwin.py	5.29 KB	-rw-r--r--	2025-06-04 09:23
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tkinter_testing_utils.py	2.28 KB	-rw-r--r--	2025-06-04 09:23

Rename

"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)