How to use auto_expand method in lettuce-tools

Best Python code snippet using lettuce-tools_python

test_autoexpand.py

Source:test_autoexpand.py

1"Test autoexpand, coverage 100%."2from idlelib.autoexpand import AutoExpand3import unittest4from test.support import requires5from tkinter import Text, Tk6class DummyEditwin:7    # AutoExpand.__init__ only needs .text8    def __init__(self, text):9        self.text = text10class AutoExpandTest(unittest.TestCase):11    @classmethod12    def setUpClass(cls):13        requires('gui')14        cls.tk = Tk()15        cls.text = Text(cls.tk)16        cls.auto_expand = AutoExpand(DummyEditwin(cls.text))17        cls.auto_expand.bell = lambda: None18# If mock_tk.Text._decode understood indexes 'insert' with suffixed 'linestart',19# 'wordstart', and 'lineend', used by autoexpand, we could use the following20# to run these test on non-gui machines (but check bell).21##        try:22##            requires('gui')23##            #raise ResourceDenied()  # Uncomment to test mock.24##        except ResourceDenied:25##            from idlelib.idle_test.mock_tk import Text26##            cls.text = Text()27##            cls.text.bell = lambda: None28##        else:29##            from tkinter import Tk, Text30##            cls.tk = Tk()31##            cls.text = Text(cls.tk)32    @classmethod33    def tearDownClass(cls):34        del cls.text, cls.auto_expand35        if hasattr(cls, 'tk'):36            cls.tk.destroy()37            del cls.tk38    def tearDown(self):39        self.text.delete('1.0', 'end')40    def test_get_prevword(self):41        text = self.text42        previous = self.auto_expand.getprevword43        equal = self.assertEqual44        equal(previous(), '')45        text.insert('insert', 't')46        equal(previous(), 't')47        text.insert('insert', 'his')48        equal(previous(), 'this')49        text.insert('insert', ' ')50        equal(previous(), '')51        text.insert('insert', 'is')52        equal(previous(), 'is')53        text.insert('insert', '\nsample\nstring')54        equal(previous(), 'string')55        text.delete('3.0', 'insert')56        equal(previous(), '')57        text.delete('1.0', 'end')58        equal(previous(), '')59    def test_before_only(self):60        previous = self.auto_expand.getprevword61        expand = self.auto_expand.expand_word_event62        equal = self.assertEqual63        self.text.insert('insert', 'ab ac bx ad ab a')64        equal(self.auto_expand.getwords(), ['ab', 'ad', 'ac', 'a'])65        expand('event')66        equal(previous(), 'ab')67        expand('event')68        equal(previous(), 'ad')69        expand('event')70        equal(previous(), 'ac')71        expand('event')72        equal(previous(), 'a')73    def test_after_only(self):74        # Also add punctuation 'noise' that should be ignored.75        text = self.text76        previous = self.auto_expand.getprevword77        expand = self.auto_expand.expand_word_event78        equal = self.assertEqual79        text.insert('insert', 'a, [ab] ac: () bx"" cd ac= ad ya')80        text.mark_set('insert', '1.1')81        equal(self.auto_expand.getwords(), ['ab', 'ac', 'ad', 'a'])82        expand('event')83        equal(previous(), 'ab')84        expand('event')85        equal(previous(), 'ac')86        expand('event')87        equal(previous(), 'ad')88        expand('event')89        equal(previous(), 'a')90    def test_both_before_after(self):91        text = self.text92        previous = self.auto_expand.getprevword93        expand = self.auto_expand.expand_word_event94        equal = self.assertEqual95        text.insert('insert', 'ab xy yz\n')96        text.insert('insert', 'a ac by ac')97        text.mark_set('insert', '2.1')98        equal(self.auto_expand.getwords(), ['ab', 'ac', 'a'])99        expand('event')100        equal(previous(), 'ab')101        expand('event')102        equal(previous(), 'ac')103        expand('event')104        equal(previous(), 'a')105    def test_other_expand_cases(self):106        text = self.text107        expand = self.auto_expand.expand_word_event108        equal = self.assertEqual109        # no expansion candidate found110        equal(self.auto_expand.getwords(), [])111        equal(expand('event'), 'break')112        text.insert('insert', 'bx cy dz a')113        equal(self.auto_expand.getwords(), [])114        # reset state by successfully expanding once115        # move cursor to another position and expand again116        text.insert('insert', 'ac xy a ac ad a')117        text.mark_set('insert', '1.7')118        expand('event')119        initial_state = self.auto_expand.state120        text.mark_set('insert', '1.end')121        expand('event')122        new_state = self.auto_expand.state123        self.assertNotEqual(initial_state, new_state)124if __name__ == '__main__':...

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