cpython/Lib/tkinter/test/test_ttk/test_functions.py

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# -*- encoding: utf-8 -*-
import unittest
from tkinter import ttk
class MockTkApp:
def splitlist(self, arg):
if isinstance(arg, tuple):
return arg
return arg.split(':')
def wantobjects(self):
return True
class MockTclObj(object):
typename = 'test'
def __init__(self, val):
self.val = val
def __str__(self):
return str(self.val)
class MockStateSpec(object):
typename = 'StateSpec'
def __init__(self, *args):
self.val = args
def __str__(self):
return ' '.join(self.val)
class InternalFunctionsTest(unittest.TestCase):
def test_format_optdict(self):
def check_against(fmt_opts, result):
for i in range(0, len(fmt_opts), 2):
self.assertEqual(result.pop(fmt_opts[i]), fmt_opts[i + 1])
if result:
self.fail("result still got elements: %s" % result)
# passing an empty dict should return an empty object (tuple here)
self.assertFalse(ttk._format_optdict({}))
# check list formatting
check_against(
ttk._format_optdict({'fg': 'blue', 'padding': [1, 2, 3, 4]}),
{'-fg': 'blue', '-padding': '1 2 3 4'})
# check tuple formatting (same as list)
check_against(
ttk._format_optdict({'test': (1, 2, '', 0)}),
{'-test': '1 2 {} 0'})
# check untouched values
check_against(
ttk._format_optdict({'test': {'left': 'as is'}}),
{'-test': {'left': 'as is'}})
# check script formatting
check_against(
ttk._format_optdict(
{'test': [1, -1, '', '2m', 0], 'test2': 3,
'test3': '', 'test4': 'abc def',
'test5': '"abc"', 'test6': '{}',
'test7': '} -spam {'}, script=True),
{'-test': '{1 -1 {} 2m 0}', '-test2': '3',
'-test3': '{}', '-test4': '{abc def}',
'-test5': '{"abc"}', '-test6': r'\{\}',
'-test7': r'\}\ -spam\ \{'})
opts = {'αβγ': True, 'á': False}
orig_opts = opts.copy()
# check if giving unicode keys is fine
check_against(ttk._format_optdict(opts), {'-αβγ': True, '': False})
# opts should remain unchanged
self.assertEqual(opts, orig_opts)
# passing values with spaces inside a tuple/list
check_against(
ttk._format_optdict(
{'option': ('one two', 'three')}),
{'-option': '{one two} three'})
check_against(
ttk._format_optdict(
{'option': ('one\ttwo', 'three')}),
{'-option': '{one\ttwo} three'})
# passing empty strings inside a tuple/list
check_against(
ttk._format_optdict(
{'option': ('', 'one')}),
{'-option': '{} one'})
# passing values with braces inside a tuple/list
check_against(
ttk._format_optdict(
{'option': ('one} {two', 'three')}),
{'-option': r'one\}\ \{two three'})
# passing quoted strings inside a tuple/list
check_against(
ttk._format_optdict(
{'option': ('"one"', 'two')}),
{'-option': '{"one"} two'})
check_against(
ttk._format_optdict(
{'option': ('{one}', 'two')}),
{'-option': r'\{one\} two'})
# ignore an option
amount_opts = len(ttk._format_optdict(opts, ignore=('á'))) / 2
self.assertEqual(amount_opts, len(opts) - 1)
# ignore non-existing options
amount_opts = len(ttk._format_optdict(opts, ignore=('á', 'b'))) / 2
self.assertEqual(amount_opts, len(opts) - 1)
# ignore every option
self.assertFalse(ttk._format_optdict(opts, ignore=list(opts.keys())))
def test_format_mapdict(self):
opts = {'a': [('b', 'c', 'val'), ('d', 'otherval'), ('', 'single')]}
result = ttk._format_mapdict(opts)
self.assertEqual(len(result), len(list(opts.keys())) * 2)
self.assertEqual(result, ('-a', '{b c} val d otherval {} single'))
self.assertEqual(ttk._format_mapdict(opts, script=True),
('-a', '{{b c} val d otherval {} single}'))
self.assertEqual(ttk._format_mapdict({2: []}), ('-2', ''))
opts = {'üñíćódè': [('á', 'vãl')]}
result = ttk._format_mapdict(opts)
self.assertEqual(result, ('-üñíćódè', 'á vãl'))
# empty states
valid = {'opt': [('', '', 'hi')]}
self.assertEqual(ttk._format_mapdict(valid), ('-opt', '{ } hi'))
# when passing multiple states, they all must be strings
invalid = {'opt': [(1, 2, 'valid val')]}
self.assertRaises(TypeError, ttk._format_mapdict, invalid)
invalid = {'opt': [([1], '2', 'valid val')]}
self.assertRaises(TypeError, ttk._format_mapdict, invalid)
# but when passing a single state, it can be anything
valid = {'opt': [[1, 'value']]}
self.assertEqual(ttk._format_mapdict(valid), ('-opt', '1 value'))
# special attention to single states which evaluate to False
for stateval in (None, 0, False, '', set()): # just some samples
valid = {'opt': [(stateval, 'value')]}
self.assertEqual(ttk._format_mapdict(valid),
('-opt', '{} value'))
# values must be iterable
opts = {'a': None}
self.assertRaises(TypeError, ttk._format_mapdict, opts)
# items in the value must have size >= 2
self.assertRaises(IndexError, ttk._format_mapdict,
{'a': [('invalid', )]})
def test_format_elemcreate(self):
self.assertTrue(ttk._format_elemcreate(None), (None, ()))
## Testing type = image
# image type expects at least an image name, so this should raise
# IndexError since it tries to access the index 0 of an empty tuple
self.assertRaises(IndexError, ttk._format_elemcreate, 'image')
# don't format returned values as a tcl script
# minimum acceptable for image type
self.assertEqual(ttk._format_elemcreate('image', False, 'test'),
("test ", ()))
# specifying a state spec
self.assertEqual(ttk._format_elemcreate('image', False, 'test',
('', 'a')), ("test {} a", ()))
# state spec with multiple states
self.assertEqual(ttk._format_elemcreate('image', False, 'test',
('a', 'b', 'c')), ("test {a b} c", ()))
# state spec and options
self.assertEqual(ttk._format_elemcreate('image', False, 'test',
('a', 'b'), a='x'), ("test a b", ("-a", "x")))
# format returned values as a tcl script
# state spec with multiple states and an option with a multivalue
self.assertEqual(ttk._format_elemcreate('image', True, 'test',
('a', 'b', 'c', 'd'), x=[2, 3]), ("{test {a b c} d}", "-x {2 3}"))
## Testing type = vsapi
# vsapi type expects at least a class name and a part_id, so this
# should raise a ValueError since it tries to get two elements from
# an empty tuple
self.assertRaises(ValueError, ttk._format_elemcreate, 'vsapi')
# don't format returned values as a tcl script
# minimum acceptable for vsapi
self.assertEqual(ttk._format_elemcreate('vsapi', False, 'a', 'b'),
("a b ", ()))
# now with a state spec with multiple states
self.assertEqual(ttk._format_elemcreate('vsapi', False, 'a', 'b',
('a', 'b', 'c')), ("a b {a b} c", ()))
# state spec and option
self.assertEqual(ttk._format_elemcreate('vsapi', False, 'a', 'b',
('a', 'b'), opt='x'), ("a b a b", ("-opt", "x")))
# format returned values as a tcl script
# state spec with a multivalue and an option
self.assertEqual(ttk._format_elemcreate('vsapi', True, 'a', 'b',
('a', 'b', [1, 2]), opt='x'), ("{a b {a b} {1 2}}", "-opt x"))
# Testing type = from
# from type expects at least a type name
self.assertRaises(IndexError, ttk._format_elemcreate, 'from')
self.assertEqual(ttk._format_elemcreate('from', False, 'a'),
('a', ()))
self.assertEqual(ttk._format_elemcreate('from', False, 'a', 'b'),
('a', ('b', )))
self.assertEqual(ttk._format_elemcreate('from', True, 'a', 'b'),
('{a}', 'b'))
def test_format_layoutlist(self):
def sample(indent=0, indent_size=2):
return ttk._format_layoutlist(
[('a', {'other': [1, 2, 3], 'children':
[('b', {'children':
[('c', {'children':
[('d', {'nice': 'opt'})], 'something': (1, 2)
})]
})]
})], indent=indent, indent_size=indent_size)[0]
def sample_expected(indent=0, indent_size=2):
spaces = lambda amount=0: ' ' * (amount + indent)
return (
"%sa -other {1 2 3} -children {\n"
"%sb -children {\n"
"%sc -something {1 2} -children {\n"
"%sd -nice opt\n"
"%s}\n"
"%s}\n"
"%s}" % (spaces(), spaces(indent_size),
spaces(2 * indent_size), spaces(3 * indent_size),
spaces(2 * indent_size), spaces(indent_size), spaces()))
# empty layout
self.assertEqual(ttk._format_layoutlist([])[0], '')
# _format_layoutlist always expects the second item (in every item)
# to act like a dict (except when the value evaluates to False).
self.assertRaises(AttributeError,
ttk._format_layoutlist, [('a', 'b')])
smallest = ttk._format_layoutlist([('a', None)], indent=0)
self.assertEqual(smallest,
ttk._format_layoutlist([('a', '')], indent=0))
self.assertEqual(smallest[0], 'a')
# testing indentation levels
self.assertEqual(sample(), sample_expected())
for i in range(4):
self.assertEqual(sample(i), sample_expected(i))
self.assertEqual(sample(i, i), sample_expected(i, i))
# invalid layout format, different kind of exceptions will be
# raised by internal functions
# plain wrong format
self.assertRaises(ValueError, ttk._format_layoutlist,
['bad', 'format'])
# will try to use iteritems in the 'bad' string
self.assertRaises(AttributeError, ttk._format_layoutlist,
[('name', 'bad')])
# bad children formatting
self.assertRaises(ValueError, ttk._format_layoutlist,
[('name', {'children': {'a': None}})])
def test_script_from_settings(self):
# empty options
self.assertFalse(ttk._script_from_settings({'name':
{'configure': None, 'map': None, 'element create': None}}))
# empty layout
self.assertEqual(
ttk._script_from_settings({'name': {'layout': None}}),
"ttk::style layout name {\nnull\n}")
configdict = {'αβγ': True, 'á': False}
self.assertTrue(
ttk._script_from_settings({'name': {'configure': configdict}}))
mapdict = {'üñíćódè': [('á', 'vãl')]}
self.assertTrue(
ttk._script_from_settings({'name': {'map': mapdict}}))
# invalid image element
self.assertRaises(IndexError,
ttk._script_from_settings, {'name': {'element create': ['image']}})
# minimal valid image
self.assertTrue(ttk._script_from_settings({'name':
{'element create': ['image', 'name']}}))
image = {'thing': {'element create':
['image', 'name', ('state1', 'state2', 'val')]}}
self.assertEqual(ttk._script_from_settings(image),
"ttk::style element create thing image {name {state1 state2} val} ")
image['thing']['element create'].append({'opt': 30})
self.assertEqual(ttk._script_from_settings(image),
"ttk::style element create thing image {name {state1 state2} val} "
"-opt 30")
image['thing']['element create'][-1]['opt'] = [MockTclObj(3),
MockTclObj('2m')]
self.assertEqual(ttk._script_from_settings(image),
"ttk::style element create thing image {name {state1 state2} val} "
"-opt {3 2m}")
def test_tclobj_to_py(self):
self.assertEqual(
ttk._tclobj_to_py((MockStateSpec('a', 'b'), 'val')),
[('a', 'b', 'val')])
self.assertEqual(
ttk._tclobj_to_py([MockTclObj('1'), 2, MockTclObj('3m')]),
[1, 2, '3m'])
def test_list_from_statespec(self):
def test_it(sspec, value, res_value, states):
self.assertEqual(ttk._list_from_statespec(
(sspec, value)), [states + (res_value, )])
states_even = tuple('state%d' % i for i in range(6))
statespec = MockStateSpec(*states_even)
test_it(statespec, 'val', 'val', states_even)
test_it(statespec, MockTclObj('val'), 'val', states_even)
states_odd = tuple('state%d' % i for i in range(5))
statespec = MockStateSpec(*states_odd)
test_it(statespec, 'val', 'val', states_odd)
test_it(('a', 'b', 'c'), MockTclObj('val'), 'val', ('a', 'b', 'c'))
def test_list_from_layouttuple(self):
tk = MockTkApp()
# empty layout tuple
self.assertFalse(ttk._list_from_layouttuple(tk, ()))
# shortest layout tuple
self.assertEqual(ttk._list_from_layouttuple(tk, ('name', )),
[('name', {})])
# not so interesting ltuple
sample_ltuple = ('name', '-option', 'value')
self.assertEqual(ttk._list_from_layouttuple(tk, sample_ltuple),
[('name', {'option': 'value'})])
# empty children
self.assertEqual(ttk._list_from_layouttuple(tk,
('something', '-children', ())),
[('something', {'children': []})]
)
# more interesting ltuple
ltuple = (
'name', '-option', 'niceone', '-children', (
('otherone', '-children', (
('child', )), '-otheropt', 'othervalue'
)
)
)
self.assertEqual(ttk._list_from_layouttuple(tk, ltuple),
[('name', {'option': 'niceone', 'children':
[('otherone', {'otheropt': 'othervalue', 'children':
[('child', {})]
})]
})]
)
# bad tuples
self.assertRaises(ValueError, ttk._list_from_layouttuple, tk,
('name', 'no_minus'))
self.assertRaises(ValueError, ttk._list_from_layouttuple, tk,
('name', 'no_minus', 'value'))
self.assertRaises(ValueError, ttk._list_from_layouttuple, tk,
('something', '-children')) # no children
def test_val_or_dict(self):
def func(res, opt=None, val=None):
if opt is None:
return res
if val is None:
return "test val"
return (opt, val)
tk = MockTkApp()
tk.call = func
self.assertEqual(ttk._val_or_dict(tk, {}, '-test:3'),
{'test': '3'})
self.assertEqual(ttk._val_or_dict(tk, {}, ('-test', 3)),
{'test': 3})
self.assertEqual(ttk._val_or_dict(tk, {'test': None}, 'x:y'),
'test val')
self.assertEqual(ttk._val_or_dict(tk, {'test': 3}, 'x:y'),
{'test': 3})
def test_convert_stringval(self):
tests = (
(0, 0), ('09', 9), ('a', 'a'), ('áÚ', 'áÚ'), ([], '[]'),
(None, 'None')
)
for orig, expected in tests:
self.assertEqual(ttk._convert_stringval(orig), expected)
class TclObjsToPyTest(unittest.TestCase):
def test_unicode(self):
adict = {'opt': 'välúè'}
self.assertEqual(ttk.tclobjs_to_py(adict), {'opt': 'välúè'})
adict['opt'] = MockTclObj(adict['opt'])
self.assertEqual(ttk.tclobjs_to_py(adict), {'opt': 'välúè'})
def test_multivalues(self):
adict = {'opt': [1, 2, 3, 4]}
self.assertEqual(ttk.tclobjs_to_py(adict), {'opt': [1, 2, 3, 4]})
adict['opt'] = [1, 'xm', 3]
self.assertEqual(ttk.tclobjs_to_py(adict), {'opt': [1, 'xm', 3]})
adict['opt'] = (MockStateSpec('a', 'b'), 'válũè')
self.assertEqual(ttk.tclobjs_to_py(adict),
{'opt': [('a', 'b', 'válũè')]})
self.assertEqual(ttk.tclobjs_to_py({'x': ['y z']}),
{'x': ['y z']})
def test_nosplit(self):
self.assertEqual(ttk.tclobjs_to_py({'text': 'some text'}),
{'text': 'some text'})
tests_nogui = (InternalFunctionsTest, TclObjsToPyTest)
if __name__ == "__main__":
from test.support import run_unittest
run_unittest(*tests_nogui)