cpython/Lib/idlelib/idle_test/test_iomenu.py

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"Test , coverage 17%."
from idlelib import iomenu
import unittest
from test.support import requires
from tkinter import Tk
from idlelib.editor import EditorWindow
from idlelib import util
from idlelib.idle_test.mock_idle import Func
# Fail if either tokenize.open and t.detect_encoding does not exist.
# These are used in loadfile and encode.
# Also used in pyshell.MI.execfile and runscript.tabnanny.
from tokenize import open, detect_encoding
# Remove when we have proper tests that use both.
class IOBindingTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.editwin = EditorWindow(root=cls.root)
cls.io = iomenu.IOBinding(cls.editwin)
@classmethod
def tearDownClass(cls):
cls.io.close()
cls.editwin._close()
del cls.editwin
cls.root.update_idletasks()
for id in cls.root.tk.call('after', 'info'):
cls.root.after_cancel(id) # Need for EditorWindow.
cls.root.destroy()
del cls.root
def test_init(self):
self.assertIs(self.io.editwin, self.editwin)
def test_fixnewlines_end(self):
eq = self.assertEqual
io = self.io
fix = io.fixnewlines
text = io.editwin.text
# Make the editor temporarily look like Shell.
self.editwin.interp = None
shelltext = '>>> if 1'
self.editwin.get_prompt_text = Func(result=shelltext)
eq(fix(), shelltext) # Get... call and '\n' not added.
del self.editwin.interp, self.editwin.get_prompt_text
text.insert(1.0, 'a')
eq(fix(), 'a'+io.eol_convention)
eq(text.get('1.0', 'end-1c'), 'a\n')
eq(fix(), 'a'+io.eol_convention)
def _extension_in_filetypes(extension):
return any(
f'*{extension}' in filetype_tuple[1]
for filetype_tuple in iomenu.IOBinding.filetypes
)
class FiletypesTest(unittest.TestCase):
def test_python_source_files(self):
for extension in util.py_extensions:
with self.subTest(extension=extension):
self.assertTrue(
_extension_in_filetypes(extension)
)
def test_text_files(self):
self.assertTrue(_extension_in_filetypes('.txt'))
def test_all_files(self):
self.assertTrue(_extension_in_filetypes(''))
if __name__ == '__main__':
unittest.main(verbosity=2)