"Test config_key, coverage 82%"

"""Test config_key, coverage 98%.

Coverage is effectively 100%. Tkinter dialog is mocked, Mac-only line

may be skipped, and dummy function in bind test should not be called.

Not tested: exit with 'self.advanced or self.keys_ok(keys)) ...' False.

"""

from idlelib import config_key

from test.support import requires

import unittest

from tkinter import Tk

from unittest import mock

from tkinter import Tk, TclError

from idlelib.idle_test.mock_idle import Func

from idlelib.idle_test.mock_tk import Mbox_func

gkd = config_key.GetKeysDialog

class ValidationTest(unittest.TestCase):

"Test validation methods: ok, keys_ok, bind_ok."

class Validator(config_key.GetKeysDialog):

class Validator(gkd):

def __init__(self, *args, **kwargs):

config_key.GetKeysDialog.__init__(self, *args, **kwargs)

class list_keys_final:

self.assertIn('not accepted', self.dialog.showerror.message)

class ToggleLevelTest(unittest.TestCase):

"Test toggle between Basic and Advanced frames."

@classmethod

def setUpClass(cls):

requires('gui')

cls.root = Tk()

cls.root.withdraw()

cls.dialog = gkd(cls.root, 'Title', '<<Test>>', [], _utest=True)

@classmethod

def tearDownClass(cls):

cls.dialog.cancel()

cls.root.update_idletasks()

cls.root.destroy()

del cls.dialog, cls.root

def test_toggle_level(self):

dialog = self.dialog

def stackorder():

"""Get the stack order of the children of the frame.

winfo_children() stores the children in stack order, so

this can be used to check whether a frame is above or

below another one.

"""

for index, child in enumerate(dialog.frame.winfo_children()):

if child._name == 'keyseq_basic':

basic = index

if child._name == 'keyseq_advanced':

advanced = index

return basic, advanced

# New window starts at basic level.

self.assertFalse(dialog.advanced)

self.assertIn('Advanced', dialog.button_level['text'])

basic, advanced = stackorder()

self.assertGreater(basic, advanced)

# Toggle to advanced.

dialog.toggle_level()

self.assertTrue(dialog.advanced)

self.assertIn('Basic', dialog.button_level['text'])

basic, advanced = stackorder()

self.assertGreater(advanced, basic)

# Toggle to basic.

dialog.button_level.invoke()

self.assertFalse(dialog.advanced)

self.assertIn('Advanced', dialog.button_level['text'])

basic, advanced = stackorder()

self.assertGreater(basic, advanced)

class KeySelectionTest(unittest.TestCase):

"Test selecting key on Basic frames."

class Basic(gkd):

def __init__(self, *args, **kwargs):

super().__init__(*args, **kwargs)

class list_keys_final:

get = Func()

select_clear = Func()

yview = Func()

self.list_keys_final = list_keys_final

def set_modifiers_for_platform(self):

self.modifiers = ['foo', 'bar', 'BAZ']

self.modifier_label = {'BAZ': 'ZZZ'}

showerror = Mbox_func()

@classmethod

def setUpClass(cls):

requires('gui')

cls.root = Tk()

cls.root.withdraw()

cls.dialog = cls.Basic(cls.root, 'Title', '<<Test>>', [], _utest=True)

@classmethod

def tearDownClass(cls):

cls.dialog.cancel()

cls.root.update_idletasks()

cls.root.destroy()

del cls.dialog, cls.root

def setUp(self):

self.dialog.clear_key_seq()

def test_get_modifiers(self):

dialog = self.dialog

gm = dialog.get_modifiers

eq = self.assertEqual

# Modifiers are set by selecting/deselecting the checkbutton.

dialog.modifier_checkbuttons['foo'].select()

eq(gm(), ['foo'])

dialog.modifier_checkbuttons['BAZ'].select()

eq(gm(), ['foo', 'BAZ'])

dialog.modifier_checkbuttons['foo'].deselect()

eq(gm(), ['BAZ'])

def test_translate_key(self):

dialog = self.dialog

tr = dialog.translate_key

eq = self.assertEqual

# Letters return unchanged with no 'Shift'.

eq(tr('q', []), 'Key-q')

eq(tr('q', ['Control', 'Alt']), 'Key-q')

# 'Shift' uppercases single lowercase letters.

eq(tr('q', ['Shift']), 'Key-Q')

eq(tr('q', ['Control', 'Shift']), 'Key-Q')

eq(tr('q', ['Control', 'Alt', 'Shift']), 'Key-Q')

# Convert key name to keysym.

eq(tr('Page Up', []), 'Key-Prior')

# 'Shift' doesn't change case.

eq(tr('Page Down', ['Shift']), 'Key-Next')

@mock.patch.object(gkd, 'get_modifiers')

def test_build_key_string(self, mock_modifiers):

dialog = self.dialog

key = dialog.list_keys_final

string = dialog.key_string.get

eq = self.assertEqual

key.get.result = 'a'

mock_modifiers.return_value = []

dialog.build_key_string()

eq(string(), '<Key-a>')

mock_modifiers.return_value = ['mymod']

dialog.build_key_string()

eq(string(), '<mymod-Key-a>')

key.get.result = ''

mock_modifiers.return_value = ['mymod', 'test']

dialog.build_key_string()

eq(string(), '<mymod-test>')

@mock.patch.object(gkd, 'get_modifiers')

def test_final_key_selected(self, mock_modifiers):

dialog = self.dialog

key = dialog.list_keys_final

string = dialog.key_string.get

eq = self.assertEqual

mock_modifiers.return_value = ['Shift']

key.get.result = '{'

dialog.final_key_selected()

eq(string(), '<Shift-Key-braceleft>')

class CancelTest(unittest.TestCase):

"Simulate user clicking [Cancel] button."

@classmethod

def setUpClass(cls):

requires('gui')

cls.root = Tk()

cls.root.withdraw()

cls.dialog = gkd(cls.root, 'Title', '<<Test>>', [], _utest=True)

@classmethod

def tearDownClass(cls):

cls.dialog.cancel()

cls.root.update_idletasks()

cls.root.destroy()

del cls.dialog, cls.root

def test_cancel(self):

self.assertEqual(self.dialog.winfo_class(), 'Toplevel')

self.dialog.button_cancel.invoke()

with self.assertRaises(TclError):

self.dialog.winfo_class()

self.assertEqual(self.dialog.result, '')

if __name__ == '__main__':

unittest.main(verbosity=2)