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# coding=utf-8
# Copyright (C) 2009, 2010 Roman Zimbelmann <romanz@lavabit.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if __name__ == '__main__': from __init__ import init; init()
from unittest import TestCase, main
from test import TODO
from ranger.ext.tree import Tree
from ranger.container.keymap import *
from ranger.container.keybuffer import KeyBuffer
from ranger.ext.keybinding_parser import parse_keybinding
import sys
def simulate_press(self, string):
for char in parse_keybinding(string):
self.add(char)
if self.done:
return self.command
if self.failure:
break
return self.command
class PressTestCase(TestCase):
"""Some useful methods for the actual test"""
def _mkpress(self, keybuffer, _=0):
def press(keys):
keybuffer.clear()
match = simulate_press(keybuffer, keys)
self.assertFalse(keybuffer.failure,
"parsing keys '"+keys+"' did fail!")
self.assertTrue(keybuffer.done,
"parsing keys '"+keys+"' did not complete!")
arg = CommandArgs(None, None, keybuffer)
self.assert_(match.function, "No function found! " + \
str(match.__dict__))
return match.function(arg)
return press
def assertPressFails(self, kb, keys):
kb.clear()
simulate_press(kb, keys)
self.assertTrue(kb.failure, "Keypress did not fail as expected")
kb.clear()
def assertPressIncomplete(self, kb, keys):
kb.clear()
simulate_press(kb, keys)
self.assertFalse(kb.failure, "Keypress failed, expected incomplete")
self.assertFalse(kb.done, "Keypress done which was unexpected")
kb.clear()
class Test(PressTestCase):
"""The test cases"""
def test_passive_action(self):
km = KeyMap()
directions = KeyMap()
kb = KeyBuffer(km, directions)
def n(value):
"""return n or value"""
def fnc(arg=None):
if arg is None or arg.n is None:
return value
return arg.n
return fnc
km.map('ppp', n(5))
km.map('pp<bg>', n(8))
km.map('pp<dir>', n(2))
directions.map('j', dir=Direction(down=1))
press = self._mkpress(kb, km)
self.assertEqual(5, press('ppp'))
self.assertEqual(3, press('3ppp'))
self.assertEqual(2, press('ppj'))
kb.clear()
match = simulate_press(kb, 'pp')
args = CommandArgs(0, 0, kb)
self.assert_(match)
self.assert_(match.function)
self.assertEqual(8, match.function(args))
def test_translate_keys(self):
def test(string, *args):
if not args:
args = (string, )
self.assertEqual(ordtuple(*args), tuple(parse_keybinding(string)))
def ordtuple(*args):
lst = []
for arg in args:
if isinstance(arg, str):
lst.extend(ord(c) for c in arg)
else:
lst.append(arg)
return tuple(lst)
# 1 argument means: assume nothing is translated.
test('k')
test('kj')
test('k<dir>', 'k', DIRKEY)
test('k<ANY>z<any>', 'k', ANYKEY, 'z', ANYKEY)
test('k<anY>z<dir>', 'k', ANYKEY, 'z', DIRKEY)
test('<cr>', "\n")
test('<tab><tab><cr>', "\t\t\n")
test('<')
test('>')
test('<C-a>', 1)
test('<C-b>', 2)
for i in range(1, 26):
test('<C-' + chr(i+ord('a')-1) + '>', i)
test('<A-x>', 27, ord('x'))
test('<a-o>', 27, ord('o'))
test('k<a')
test('k<anz>')
test('k<a<nz>')
test('k<a<nz>')
test('k<a<>nz>')
test('>nz>')
def test_alias(self):
def add_dirs(arg):
return sum(dir.down() for dir in arg.directions)
def return5(_):
return 5
directions = KeyMap()
directions.map('j', dir=Direction(down=1))
directions.map('k', dir=Direction(down=-1))
directions.map('<CR>', alias='j')
directions.map('@', alias='<CR>')
base = KeyMap()
base.map('a<dir>', add_dirs)
base.map('b<dir>', add_dirs)
base.map('x<dir>x<dir>', add_dirs)
base.map('f', return5)
base.map('yy', alias='y')
base.map('!', alias='!')
other = KeyMap()
other.map('b<dir>b<dir>', alias='x<dir>x<dir>')
other.map('c<dir>', add_dirs)
other.map('g', alias='f')
km = base.merge(other, copy=True)
kb = KeyBuffer(km, directions)
press = self._mkpress(kb, km)
self.assertEqual(1, press('aj'))
self.assertEqual(2, press('bjbj'))
self.assertEqual(1, press('cj'))
self.assertEqual(1, press('c<CR>'))
self.assertEqual(5, press('f'))
self.assertEqual(5, press('g'))
self.assertEqual(press('c<CR>'), press('c@'))
self.assertEqual(press('c<CR>'), press('c@'))
self.assertEqual(press('c<CR>'), press('c@'))
for n in range(1, 10):
self.assertPressIncomplete(kb, 'y' * n)
for n in range(1, 5):
self.assertPressFails(kb, '!' * n)
def test_tree(self):
t = Tree()
t.set('abcd', "Yes")
self.assertEqual("Yes", t.traverse('abcd'))
self.assertRaises(KeyError, t.traverse, 'abcde')
self.assertRaises(KeyError, t.traverse, 'xyz')
self.assert_(isinstance(t.traverse('abc'), Tree))
t2 = Tree()
self.assertRaises(KeyError, t2.set, 'axy', "Lol", force=False)
t2.set('axx', 'ololol')
t2.set('axyy', "Lol")
self.assertEqual("Yes", t.traverse('abcd'))
self.assertRaises(KeyError, t2.traverse, 'abcd')
self.assertEqual("Lol", t2.traverse('axyy'))
self.assertEqual("ololol", t2.traverse('axx'))
t2.unset('axyy')
self.assertEqual("ololol", t2.traverse('axx'))
self.assertRaises(KeyError, t2.traverse, 'axyy')
self.assertRaises(KeyError, t2.traverse, 'axy')
t2.unset('a')
self.assertRaises(KeyError, t2.traverse, 'abcd')
self.assertRaises(KeyError, t2.traverse, 'a')
self.assert_(t2.empty())
def test_merge_trees(self):
def makeTreeA():
t = Tree()
t.set('aaaX', 1)
t.set('aaaY', 2)
t.set('aaaZ', 3)
t.set('bbbA', 11)
t.set('bbbB', 12)
t.set('bbbC', 13)
t.set('bbbD', 14)
t.set('bP', 21)
t.set('bQ', 22)
return t
def makeTreeB():
u = Tree()
u.set('aaaX', 0)
u.set('bbbC', 'Yes')
u.set('bbbD', None)
u.set('bbbE', 15)
u.set('bbbF', 16)
u.set('bQ', 22)
u.set('bR', 23)
u.set('ffff', 1337)
return u
# test 1
t = Tree('a')
u = Tree('b')
merged = t.merge(u, copy=True)
self.assertEqual('b', merged._tree)
# test 2
t = Tree('a')
u = makeTreeA()
merged = t.merge(u, copy=True)
self.assertEqual(u._tree, merged._tree)
# test 3
t = makeTreeA()
u = makeTreeB()
v = t.merge(u, copy=True)
self.assertEqual(0, v['aaaX'])
self.assertEqual(2, v['aaaY'])
self.assertEqual(3, v['aaaZ'])
self.assertEqual(11, v['bbbA'])
self.assertEqual('Yes', v['bbbC'])
self.assertEqual(None, v['bbbD'])
self.assertEqual(15, v['bbbE'])
self.assertEqual(16, v['bbbF'])
self.assertRaises(KeyError, t.__getitem__, 'bbbG')
self.assertEqual(21, v['bP'])
self.assertEqual(22, v['bQ'])
self.assertEqual(23, v['bR'])
self.assertEqual(1337, v['ffff'])
# merge shouldn't be destructive
self.assertEqual(makeTreeA()._tree, t._tree)
self.assertEqual(makeTreeB()._tree, u._tree)
v['fff'].replace('Lolz')
self.assertEqual('Lolz', v['fff'])
v['aaa'].replace('Very bad')
v.plow('qqqqqqq').replace('eww.')
self.assertEqual(makeTreeA()._tree, t._tree)
self.assertEqual(makeTreeB()._tree, u._tree)
def test_add(self):
c = KeyMap()
c.map('aa', 'b', lambda *_: 'lolz')
self.assert_(c['aa'].function(), 'lolz')
@c.map('a', 'c')
def test():
return 5
self.assert_(c['b'].function(), 'lolz')
self.assert_(c['c'].function(), 5)
self.assert_(c['a'].function(), 5)
def test_quantifier(self):
km = KeyMap()
directions = KeyMap()
kb = KeyBuffer(km, directions)
def n(value):
"""return n or value"""
def fnc(arg=None):
if arg is None or arg.n is None:
return value
return arg.n
return fnc
km.map('p', n(5))
press = self._mkpress(kb, km)
self.assertEqual(5, press('p'))
self.assertEqual(3, press('3p'))
self.assertEqual(6223, press('6223p'))
def test_direction(self):
km = KeyMap()
directions = KeyMap()
kb = KeyBuffer(km, directions)
directions.map('j', dir=Direction(down=1))
directions.map('k', dir=Direction(down=-1))
def nd(arg):
""" n * direction """
n = arg.n is None and 1 or arg.n
dir = arg.direction is None and Direction(down=1) \
or arg.direction
return n * dir.down()
km.map('d<dir>', nd)
km.map('dd', func=nd)
press = self._mkpress(kb, km)
self.assertPressIncomplete(kb, 'd')
self.assertEqual( 1, press('dj'))
self.assertEqual( 3, press('3ddj'))
self.assertEqual( 15, press('3d5j'))
self.assertEqual(-15, press('3d5k'))
# supporting this kind of key combination would be too confusing:
# self.assertEqual( 15, press('3d5d'))
self.assertEqual( 3, press('3dd'))
self.assertEqual( 33, press('33dd'))
self.assertEqual( 1, press('dd'))
km.map('x<dir>', nd)
km.map('xxxx', func=nd)
self.assertEqual(1, press('xxxxj'))
self.assertEqual(1, press('xxxxjsomeinvalitchars'))
# these combinations should break:
self.assertPressFails(kb, 'xxxj')
self.assertPressFails(kb, 'xxj')
self.assertPressFails(kb, 'xxkldfjalksdjklsfsldkj')
self.assertPressFails(kb, 'xyj')
self.assertPressIncomplete(kb, 'x') # direction missing
def test_any_key(self):
km = KeyMap()
directions = KeyMap()
kb = KeyBuffer(km, directions)
directions.map('j', dir=Direction(down=1))
directions.map('k', dir=Direction(down=-1))
directions.map('g<any>', dir=Direction(down=-1))
def cat(arg):
n = arg.n is None and 1 or arg.n
return ''.join(chr(c) for c in arg.matches) * n
km.map('return<any>', cat)
km.map('cat4<any><any><any><any>', cat)
km.map('foo<dir><any>', cat)
press = self._mkpress(kb, km)
self.assertEqual('x', press('returnx'))
self.assertEqual('abcd', press('cat4abcd'))
self.assertEqual('abcdabcd', press('2cat4abcd'))
self.assertEqual('55555', press('5return5'))
self.assertEqual('x', press('foojx'))
self.assertPressFails(kb, 'fooggx') # ANYKEY forbidden in DIRECTION
km.map('<any>', lambda _: Ellipsis)
self.assertEqual('x', press('returnx'))
self.assertEqual('abcd', press('cat4abcd'))
self.assertEqual(Ellipsis, press('2cat4abcd'))
self.assertEqual(Ellipsis, press('5return5'))
self.assertEqual(Ellipsis, press('g'))
self.assertEqual(Ellipsis, press('ß'))
self.assertEqual(Ellipsis, press('ア'))
self.assertEqual(Ellipsis, press('9'))
def test_multiple_directions(self):
km = KeyMap()
directions = KeyMap()
kb = KeyBuffer(km, directions)
directions.map('j', dir=Direction(down=1))
directions.map('k', dir=Direction(down=-1))
def add_dirs(arg):
return sum(dir.down() for dir in arg.directions)
km.map('x<dir>y<dir>', add_dirs)
km.map('four<dir><dir><dir><dir>', add_dirs)
press = self._mkpress(kb, km)
self.assertEqual(2, press('xjyj'))
self.assertEqual(0, press('fourjkkj'))
self.assertEqual(2, press('four2j4k2j2j'))
self.assertEqual(10, press('four1j2j3j4j'))
self.assertEqual(10, press('four1j2j3j4jafslkdfjkldj'))
def test_corruptions(self):
km = KeyMap()
directions = KeyMap()
kb = KeyBuffer(km, directions)
press = self._mkpress(kb, km)
directions.map('j', dir=Direction(down=1))
directions.map('k', dir=Direction(down=-1))
km.map('xxx', lambda _: 1)
self.assertEqual(1, press('xxx'))
# corrupt the tree
tup = tuple(parse_keybinding('xxx'))
x = ord('x')
km._tree[x][x][x] = "Boo"
self.assertPressFails(kb, 'xxy')
self.assertPressFails(kb, 'xzy')
self.assertPressIncomplete(kb, 'xx')
self.assertPressIncomplete(kb, 'x')
if not sys.flags.optimize: # asserts are ignored with python -O
self.assertRaises(AssertionError, simulate_press, kb, 'xxx')
kb.clear()
def test_directions_as_functions(self):
km = KeyMap()
directions = KeyMap()
kb = KeyBuffer(km, directions)
press = self._mkpress(kb, km)
def move(arg):
return arg.direction.down()
directions.map('j', dir=Direction(down=1))
directions.map('s', alias='j')
directions.map('k', dir=Direction(down=-1))
km.map('<dir>', func=move)
self.assertEqual(1, press('j'))
self.assertEqual(1, press('j'))
self.assertEqual(1, press('j'))
self.assertEqual(1, press('j'))
self.assertEqual(1, press('j'))
self.assertEqual(1, press('s'))
self.assertEqual(1, press('s'))
self.assertEqual(1, press('s'))
self.assertEqual(1, press('s'))
self.assertEqual(1, press('s'))
self.assertEqual(-1, press('k'))
self.assertEqual(-1, press('k'))
self.assertEqual(-1, press('k'))
km.map('k', func=lambda _: 'love')
self.assertEqual(1, press('j'))
self.assertEqual('love', press('k'))
self.assertEqual(1, press('40j'))
self.assertEqual(40, kb.quant)
km.map('<dir><dir><any><any>', func=move)
self.assertEqual(1, press('40jkhl'))
self.assertEqual(40, kb.quant)
def test_tree_deep_copy(self):
t = Tree()
s = t.plow('abcd')
s.replace('X')
u = t.copy()
self.assertEqual(t._tree, u._tree)
s = t.traverse('abc')
s.replace('Y')
self.assertNotEqual(t._tree, u._tree)
def test_keymanager(self):
def func(arg):
return 5
def getdown(arg):
return arg.direction.down()
buffer = KeyBuffer(None, None)
press = self._mkpress(buffer)
keymanager = KeyManager(buffer, ['foo', 'bar'])
map = keymanager.get_context('foo')
map('a', func)
map('b', func)
map = keymanager.get_context('bar')
map('c', func)
map('<dir>', getdown)
keymanager.dir('foo', 'j', down=1)
keymanager.dir('bar', 'j', down=1)
keymanager.use_context('foo')
self.assertEqual(5, press('a'))
self.assertEqual(5, press('b'))
self.assertPressFails(buffer, 'c')
keymanager.use_context('bar')
self.assertPressFails(buffer, 'a')
self.assertPressFails(buffer, 'b')
self.assertEqual(5, press('c'))
self.assertEqual(1, press('j'))
keymanager.use_context('foo')
keymanager.use_context('foo')
keymanager.use_context('foo')
keymanager.use_context('bar')
keymanager.use_context('foo')
keymanager.use_context('bar')
keymanager.use_context('bar')
self.assertEqual(1, press('j'))
def test_alias_to_direction(self):
def func(arg):
return arg.direction.down()
km = KeyMapWithDirections()
kb = KeyBuffer(km, km.directions)
press = self._mkpress(kb)
km.map('<dir>', func)
km.map('d<dir>', func)
km.dir('j', down=42)
km.dir('k', alias='j')
self.assertEqual(42, press('j'))
km.dir('o', alias='j')
km.dir('ick', alias='j')
self.assertEqual(42, press('o'))
self.assertEqual(42, press('dj'))
self.assertEqual(42, press('dk'))
self.assertEqual(42, press('do'))
self.assertEqual(42, press('dick'))
self.assertPressFails(kb, 'dioo')
def test_both_directory_and_any_key(self):
def func(arg):
return arg.direction.down()
def func2(arg):
return "yay"
km = KeyMap()
directions = KeyMap()
kb = KeyBuffer(km, directions)
press = self._mkpress(kb)
km.map('abc<dir>', func)
directions.map('j', dir=Direction(down=42))
self.assertEqual(42, press('abcj'))
km.unmap('abc<dir>')
km.map('abc<any>', func2)
self.assertEqual("yay", press('abcd'))
km.map('abc<dir>', func)
km.map('abc<any>', func2)
self.assertEqual("yay", press('abcd'))
def test_map_collision(self):
def add_dirs(arg):
return sum(dir.down() for dir in arg.directions)
def return5(_):
return 5
directions = KeyMap()
directions.map('gg', dir=Direction(down=1))
km = KeyMap()
km.map('gh', return5)
km.map('agh', return5)
km.map('a<dir>', add_dirs)
kb = KeyBuffer(km, directions)
press = self._mkpress(kb, km)
self.assertEqual(5, press('gh'))
self.assertEqual(5, press('agh'))
# self.assertPressFails(kb, 'agh')
@TODO
def test_map_collision2(self):
directions = KeyMap()
directions.map('gg', dir=Direction(down=1))
km = KeyMap()
km.map('agh', lambda _: 1)
km.map('a<dir>', lambda _: 2)
kb = KeyBuffer(km, directions)
press = self._mkpress(kb, km)
self.assertEqual(1, press('agh'))
self.assertEqual(2, press('agg'))
def test_keymap_with_dir(self):
def func(arg):
return arg.direction.down()
km = KeyMapWithDirections()
kb = KeyBuffer(km, km.directions)
press = self._mkpress(kb)
km.map('abc<dir>', func)
km.dir('j', down=42)
self.assertEqual(42, press('abcj'))
if __name__ == '__main__': main()