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test_autoexpand.py

"""Unit tests for idlelib.AutoExpand"""
import unittest
from test.support import requires
from tkinter import Text, Tk
#from idlelib.idle_test.mock_tk import Text
from idlelib.AutoExpand import AutoExpand

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

class AutoExpandTest(unittest.TestCase):

@classmethod
    def setUpClass(cls):
        if 'tkinter' in str(Text):
            requires('gui')
            cls.tk = Tk()
            cls.text = Text(cls.tk)
        else:
            cls.text = Text()
        cls.auto_expand = AutoExpand(Dummy_Editwin(cls.text))

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

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)

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	0/976	0755	2024-05-23 04:01:29
..	dir	-	0/976	0755	2024-05-23 04:01:29
__pycache__	dir	-	0/976	0755	2024-05-23 04:01:29
README.txt	text/plain	5.05 KB	0/976	0644	2019-03-18 04:51:26
__init__.py	text/x-script.python	356 B	0/976	0644	2024-04-17 05:09:57
htest.py	text/plain	13.33 KB	0/976	0644	2024-04-17 05:09:57
mock_idle.py	text/x-script.python	1.54 KB	0/976	0644	2024-04-17 05:09:57
mock_tk.py	text/plain	11.27 KB	0/976	0644	2024-04-17 05:09:57
test_autocomplete.py	text/x-script.python	4.88 KB	0/976	0644	2024-04-17 05:09:57
test_autoexpand.py	text/plain	4.02 KB	0/976	0644	2024-04-17 05:09:57
test_calltips.py	text/x-script.python	6.49 KB	0/976	0644	2024-04-17 05:09:57
test_config_name.py	text/plain	2.34 KB	0/976	0644	2024-04-17 05:09:57
test_configdialog.py	text/plain	734 B	0/976	0644	2024-04-17 05:09:57
test_delegator.py	text/plain	1.26 KB	0/976	0644	2024-04-17 05:09:57
test_editor.py	text/plain	586 B	0/976	0644	2024-04-17 05:09:57
test_formatparagraph.py	text/x-script.python	14 KB	0/976	0644	2024-04-17 05:09:57
test_grep.py	text/plain	2.61 KB	0/976	0644	2024-04-17 05:09:57
test_hyperparser.py	text/plain	8.85 KB	0/976	0644	2024-04-17 05:09:57
test_idlehistory.py	text/x-script.python	5.34 KB	0/976	0644	2024-04-17 05:09:57
test_io.py	text/x-script.python	8.17 KB	0/976	0644	2024-04-17 05:09:57
test_parenmatch.py	text/plain	3.46 KB	0/976	0644	2024-04-17 05:09:57
test_pathbrowser.py	text/plain	882 B	0/976	0644	2024-04-17 05:09:57
test_rstrip.py	text/plain	1.58 KB	0/976	0644	2024-04-17 05:09:57
test_searchdialogbase.py	text/x-script.python	5.73 KB	0/976	0644	2024-04-17 05:09:57
test_searchengine.py	text/x-script.python	11.24 KB	0/976	0644	2024-04-17 05:09:57
test_text.py	text/x-script.python	6.58 KB	0/976	0644	2024-04-17 05:09:57
test_textview.py	text/plain	2.8 KB	0/976	0644	2024-04-17 05:09:57
test_warning.py	text/plain	3.06 KB	0/976	0644	2024-04-17 05:09:57
test_widgetredir.py	text/plain	4.03 KB	0/976	0644	2024-04-17 05:09:57

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