test-kivy-app/kivy_venv/lib/python3.11/site-packages/kivy/tests/test_utils.py
2024-09-15 15:12:16 +03:00

238 lines
8.1 KiB
Python

'''
utils tests
===========
'''
import os
import unittest
from unittest.mock import patch
from kivy.utils import (boundary, escape_markup, format_bytes_to_human,
is_color_transparent, SafeList, get_random_color, get_hex_from_color,
get_color_from_hex, strtotuple, QueryDict, intersection, difference,
interpolate, _get_platform, deprecated, reify)
from kivy import utils
class UtilsTest(unittest.TestCase):
def test_escape_markup(self):
escaped = escape_markup('Sun [1] & Moon [2].')
self.assertEqual(escaped, 'Sun &bl;1&br; & Moon &bl;2&br;.')
def test_format_bytes_to_human(self):
a = format_bytes_to_human(6463)
self.assertEqual(a, '6.31 KB')
b = format_bytes_to_human(6463, precision=4)
self.assertEqual(b, '6.3115 KB')
c = format_bytes_to_human(646368746541)
self.assertEqual(c, '601.98 GB')
def test_boundary(self):
x = boundary(-1000, 0, 100)
self.assertEqual(x, 0)
x = boundary(1000, 0, 100)
self.assertEqual(x, 100)
x = boundary(50, 0, 100)
self.assertEqual(x, 50)
def test_is_color_transparent(self):
c = [1, 1, 1]
self.assertFalse(is_color_transparent(c))
c = [1, 1, 1, 1]
self.assertFalse(is_color_transparent(c))
c = [1, 1, 1, 0]
self.assertTrue(is_color_transparent(c))
@deprecated
def a_deprecated_function(self):
""" This one has doc string. """
pass
def test_deprecated(self):
self.a_deprecated_function()
def test_SafeList_iterate(self): # deprecated
sl = SafeList(['1', 2, 3.])
self.assertTrue(isinstance(sl, list))
it = sl.iterate()
self.assertEqual(next(it), '1')
self.assertEqual(next(it), 2)
self.assertEqual(next(it), 3.)
def test_SafeList_iterate_reverse(self): # deprecated
sl = SafeList(['1', 2, 3.])
self.assertTrue(isinstance(sl, list))
it = sl.iterate(reverse=True)
self.assertEqual(next(it), 3.)
self.assertEqual(next(it), 2)
self.assertEqual(next(it), '1')
def test_SafeList_clear(self):
sl = SafeList(['1', 2, 3.])
self.assertTrue(isinstance(sl, list))
sl.clear()
self.assertEqual(len(sl), 0)
def test_get_random_color_fixed_alpha(self):
actual = get_random_color()
self.assertEqual(len(actual), 4)
self.assertEqual(actual[3], 1.)
actual = get_random_color(alpha=.5)
self.assertEqual(len(actual), 4)
self.assertEqual(actual[3], .5)
def test_get_random_color_random_alpha(self):
actual = get_random_color(alpha='random')
self.assertEqual(len(actual), 4)
def test_get_hex_from_color_noalpha(self):
actual = get_hex_from_color([0, 1, 0])
expected = '#00ff00'
self.assertEqual(actual, expected)
def test_get_hex_from_color_alpha(self):
actual = get_hex_from_color([.25, .77, .90, .5])
expected = '#3fc4e57f'
self.assertEqual(actual, expected)
def test_get_color_from_hex_noalpha(self):
actual = get_color_from_hex('#d1a9c4')
expected = [0.81960784, 0.66274509, 0.76862745, 1.]
for i in range(4):
self.assertAlmostEqual(actual[i], expected[i])
def test_get_color_from_hex_alpha(self):
actual = get_color_from_hex('#00FF7F7F')
expected = [0., 1., 0.49803921, 0.49803921] # can't get .5 from hex
for i in range(4):
self.assertAlmostEqual(actual[i], expected[i])
def test_strtotuple(self):
self.assertRaises(Exception, strtotuple, 'adis!_m%*+-=|')
self.assertRaises(Exception, strtotuple, '((12, 8, 473)')
self.assertRaises(Exception, strtotuple, '[12, 8, 473]]')
self.assertRaises(Exception, strtotuple, '128473')
actual = strtotuple('(12, 8, 473)')
expected = (12, 8, 473)
self.assertEqual(actual, expected)
def test_QueryDict(self):
qd = QueryDict()
self.assertTrue(isinstance(qd, dict))
# __setattr__
qd.toto = 1
self.assertEqual(qd.get('toto'), 1)
# __getattr__
toto = qd.toto
self.assertEqual(toto, 1)
with self.assertRaises(AttributeError):
foo = qd.not_an_attribute
def test_intersection(self):
abcd = ['a', 'b', 'c', 'd']
efgh = ['e', 'f', 'g', 'h']
fedc = ['c', 'd', 'e', 'f'] # cdef is cython keyword O_o)
feed = ['f', 'e', 'e', 'd']
self.assertEqual(intersection(abcd, efgh), [])
self.assertEqual(intersection(abcd, fedc), ['c', 'd'])
self.assertEqual(intersection(feed, feed), feed)
self.assertEqual(intersection([], []), [])
self.assertEqual(intersection(feed, fedc), feed)
self.assertEqual(intersection(fedc, feed), ['d', 'e', 'f'])
self.assertEqual(intersection(feed, efgh), ['f', 'e', 'e'])
def test_difference(self):
abcd = ['a', 'b', 'c', 'd']
efgh = ['e', 'f', 'g', 'h']
fedc = ['c', 'd', 'e', 'f'] # cdef is cython keyword O_o
feed = ['f', 'e', 'e', 'd']
self.assertEqual(difference(abcd, efgh), ['a', 'b', 'c', 'd'])
self.assertEqual(difference(efgh, fedc), ['g', 'h'])
self.assertEqual(difference([], []), [])
self.assertEqual(difference(abcd, abcd), [])
self.assertEqual(difference(fedc, feed), ['c'])
self.assertEqual(difference(feed, abcd), ['f', 'e', 'e'])
self.assertEqual(difference(abcd, feed), ['a', 'b', 'c'])
def test_interpolate_solo(self):
values = [10., 19., 27.1]
a = 0.
for i in range(0, 3):
a = interpolate(a, 100)
self.assertEqual(a, values[i])
def test_interpolate_multi(self):
x = [10., 19., 27.1]
y = [-10., -19., -27.1]
p = 0., 0.
for i in range(0, 3):
p = interpolate(p, [100, -100])
self.assertEqual(p, [x[i], y[i]])
@reify
def fib_100(self):
""" return 100th Fibonacci number
This uses modern view of F sub 1 = 0, F sub 2 = 1. """
# print("calculating...")
a, b = 0, 1
for n in range(2, 101):
a, b = b, a + b
return b
def test_reify(self):
# slow. self.fib_100 is a reify object making the lazy call.
first = self.fib_100
second = self.fib_100 # fast, self.fib_100 is a long.
assert first == second
def test_Platform_android(self):
with patch.dict('os.environ', {'KIVY_BUILD': 'android'}):
self.assertEqual(_get_platform(), 'android')
self.assertNotIn('KIVY_BUILD', os.environ)
def test_Platform_android_with_p4a(self):
with patch.dict('os.environ', {'P4A_BOOTSTRAP': 'sdl2'}):
self.assertEqual(_get_platform(), 'android')
self.assertNotIn('P4A_BOOTSTRAP', os.environ)
def test_Platform_android_with_android_argument(self):
with patch.dict('os.environ', {'ANDROID_ARGUMENT': ''}):
self.assertEqual(_get_platform(), 'android')
self.assertNotIn('ANDROID_ARGUMENT', os.environ)
def test_Platform_ios(self):
with patch.dict('os.environ', {'KIVY_BUILD': 'ios'}):
pf = _get_platform()
self.assertEqual(pf, 'ios')
self.assertNotIn('KIVY_BUILD', os.environ)
def test_Platform_win32(self):
self._test_platforms('win32', 'win')
def test_Platform_cygwin(self):
self._test_platforms('cygwin', 'win')
def test_Platform_linux2(self):
self._test_platforms('linux2', 'linux')
def test_Platform_darwin(self):
self._test_platforms('darwin', 'macosx')
def test_Platform_freebsd(self):
self._test_platforms('freebsd', 'linux')
def test_Platform_unknown(self):
self._test_platforms('randomdata', 'unknown')
def _test_platforms(self, input, testval):
utils._sys_platform = input
pf = _get_platform()
self.assertTrue(pf == testval)
# with patch('kivy.utils._sys_platform') as m:
# m.__str__.return_value = input
# m.__eq__ = lambda x, y: str(x) == y
# pf = _get_platform()
# self.assertTrue(str(pf) == testval)