Preview: test_replace.py
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/opt/alt/python37/lib64/python3.7/idlelib/idle_test/test_replace.py
"Test replace, coverage 78%."
from idlelib.replace import ReplaceDialog
import unittest
from test.support import requires
requires('gui')
from tkinter import Tk, Text
from unittest.mock import Mock
from idlelib.idle_test.mock_tk import Mbox
import idlelib.searchengine as se
orig_mbox = se.tkMessageBox
showerror = Mbox.showerror
class ReplaceDialogTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.root = Tk()
cls.root.withdraw()
se.tkMessageBox = Mbox
cls.engine = se.SearchEngine(cls.root)
cls.dialog = ReplaceDialog(cls.root, cls.engine)
cls.dialog.bell = lambda: None
cls.dialog.ok = Mock()
cls.text = Text(cls.root)
cls.text.undo_block_start = Mock()
cls.text.undo_block_stop = Mock()
cls.dialog.text = cls.text
@classmethod
def tearDownClass(cls):
se.tkMessageBox = orig_mbox
del cls.text, cls.dialog, cls.engine
cls.root.destroy()
del cls.root
def setUp(self):
self.text.insert('insert', 'This is a sample sTring')
def tearDown(self):
self.engine.patvar.set('')
self.dialog.replvar.set('')
self.engine.wordvar.set(False)
self.engine.casevar.set(False)
self.engine.revar.set(False)
self.engine.wrapvar.set(True)
self.engine.backvar.set(False)
showerror.title = ''
showerror.message = ''
self.text.delete('1.0', 'end')
def test_replace_simple(self):
# Test replace function with all options at default setting.
# Wrap around - True
# Regular Expression - False
# Match case - False
# Match word - False
# Direction - Forwards
text = self.text
equal = self.assertEqual
pv = self.engine.patvar
rv = self.dialog.replvar
replace = self.dialog.replace_it
# test accessor method
self.engine.setpat('asdf')
equal(self.engine.getpat(), pv.get())
# text found and replaced
pv.set('a')
rv.set('asdf')
replace()
equal(text.get('1.8', '1.12'), 'asdf')
# don't "match word" case
text.mark_set('insert', '1.0')
pv.set('is')
rv.set('hello')
replace()
equal(text.get('1.2', '1.7'), 'hello')
# don't "match case" case
pv.set('string')
rv.set('world')
replace()
equal(text.get('1.23', '1.28'), 'world')
# without "regular expression" case
text.mark_set('insert', 'end')
text.insert('insert', '\nline42:')
before_text = text.get('1.0', 'end')
pv.set(r'[a-z][\d]+')
replace()
after_text = text.get('1.0', 'end')
equal(before_text, after_text)
# test with wrap around selected and complete a cycle
text.mark_set('insert', '1.9')
pv.set('i')
rv.set('j')
replace()
equal(text.get('1.8'), 'i')
equal(text.get('2.1'), 'j')
replace()
equal(text.get('2.1'), 'j')
equal(text.get('1.8'), 'j')
before_text = text.get('1.0', 'end')
replace()
after_text = text.get('1.0', 'end')
equal(before_text, after_text)
# text not found
before_text = text.get('1.0', 'end')
pv.set('foobar')
replace()
after_text = text.get('1.0', 'end')
equal(before_text, after_text)
# test access method
self.dialog.find_it(0)
def test_replace_wrap_around(self):
text = self.text
equal = self.assertEqual
pv = self.engine.patvar
rv = self.dialog.replvar
replace = self.dialog.replace_it
self.engine.wrapvar.set(False)
# replace candidate found both after and before 'insert'
text.mark_set('insert', '1.4')
pv.set('i')
rv.set('j')
replace()
equal(text.get('1.2'), 'i')
equal(text.get('1.5'), 'j')
replace()
equal(text.get('1.2'), 'i')
equal(text.get('1.20'), 'j')
replace()
equal(text.get('1.2'), 'i')
# replace candidate found only before 'insert'
text.mark_set('insert', '1.8')
pv.set('is')
before_text = text.get('1.0', 'end')
replace()
after_text = text.get('1.0', 'end')
equal(before_text, after_text)
def test_replace_whole_word(self):
text = self.text
equal = self.assertEqual
pv = self.engine.patvar
rv = self.dialog.replvar
replace = self.dialog.replace_it
self.engine.wordvar.set(True)
pv.set('is')
rv.set('hello')
replace()
equal(text.get('1.0', '1.4'), 'This')
equal(text.get('1.5', '1.10'), 'hello')
def test_replace_match_case(self):
equal = self.assertEqual
text = self.text
pv = self.engine.patvar
rv = self.dialog.replvar
replace = self.dialog.replace_it
self.engine.casevar.set(True)
before_text = self.text.get('1.0', 'end')
pv.set('this')
rv.set('that')
replace()
after_text = self.text.get('1.0', 'end')
equal(before_text, after_text)
pv.set('This')
replace()
equal(text.get('1.0', '1.4'), 'that')
def test_replace_regex(self):
equal = self.assertEqual
text = self.text
pv = self.engine.patvar
rv = self.dialog.replvar
replace = self.dialog.replace_it
self.engine.revar.set(True)
before_text = text.get('1.0', 'end')
pv.set(r'[a-z][\d]+')
rv.set('hello')
replace()
after_text = text.get('1.0', 'end')
equal(before_text, after_text)
text.insert('insert', '\nline42')
replace()
equal(text.get('2.0', '2.8'), 'linhello')
pv.set('')
replace()
self.assertIn('error', showerror.title)
self.assertIn('Empty', showerror.message)
pv.set(r'[\d')
replace()
self.assertIn('error', showerror.title)
self.assertIn('Pattern', showerror.message)
showerror.title = ''
showerror.message = ''
pv.set('[a]')
rv.set('test\\')
replace()
self.assertIn('error', showerror.title)
self.assertIn('Invalid Replace Expression', showerror.message)
# test access method
self.engine.setcookedpat("?")
equal(pv.get(), "\\?")
def test_replace_backwards(self):
equal = self.assertEqual
text = self.text
pv = self.engine.patvar
rv = self.dialog.replvar
replace = self.dialog.replace_it
self.engine.backvar.set(True)
text.insert('insert', '\nis as ')
pv.set('is')
rv.set('was')
replace()
equal(text.get('1.2', '1.4'), 'is')
equal(text.get('2.0', '2.3'), 'was')
replace()
equal(text.get('1.5', '1.8'), 'was')
replace()
equal(text.get('1.2', '1.5'), 'was')
def test_replace_all(self):
text = self.text
pv = self.engine.patvar
rv = self.dialog.replvar
replace_all = self.dialog.replace_all
text.insert('insert', '\n')
text.insert('insert', text.get('1.0', 'end')*100)
pv.set('is')
rv.set('was')
replace_all()
self.assertNotIn('is', text.get('1.0', 'end'))
self.engine.revar.set(True)
pv.set('')
replace_all()
self.assertIn('error', showerror.title)
self.assertIn('Empty', showerror.message)
pv.set('[s][T]')
rv.set('\\')
replace_all()
self.engine.revar.set(False)
pv.set('text which is not present')
rv.set('foobar')
replace_all()
def test_default_command(self):
text = self.text
pv = self.engine.patvar
rv = self.dialog.replvar
replace_find = self.dialog.default_command
equal = self.assertEqual
pv.set('This')
rv.set('was')
replace_find()
equal(text.get('sel.first', 'sel.last'), 'was')
self.engine.revar.set(True)
pv.set('')
replace_find()
if __name__ == '__main__':
unittest.main(verbosity=2)
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