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

128 lines
4.0 KiB
Python

import unittest
from tempfile import mkdtemp
from shutil import rmtree
class WidgetTestCase(unittest.TestCase):
def setUp(self):
from kivy.uix.widget import Widget
self.cls = Widget
self.root = Widget()
def test_add_remove_widget(self):
root = self.root
self.assertEqual(root.children, [])
c1 = self.cls()
root.add_widget(c1)
self.assertEqual(root.children, [c1])
root.remove_widget(c1)
self.assertEqual(root.children, [])
def test_invalid_add_widget(self):
from kivy.uix.widget import WidgetException
try:
# None of them should work
self.root.add_widget(None)
self.root.add_widget(WidgetException)
self.root.add_widget(self.cls)
self.fail()
except WidgetException:
pass
def test_clear_widgets(self):
root = self.root
self.assertEqual(root.children, [])
c1 = self.cls()
c2 = self.cls()
c3 = self.cls()
root.add_widget(c1, index=0)
root.add_widget(c2, index=1)
root.add_widget(c3, index=2)
self.assertEqual(root.children, [c1, c2, c3])
root.clear_widgets([c2])
self.assertEqual(root.children, [c1, c3])
root.clear_widgets([])
self.assertEqual(root.children, [c1, c3])
root.clear_widgets()
self.assertEqual(root.children, [])
def test_clear_widgets_children(self):
root = self.root
for _ in range(10):
root.add_widget(self.cls())
self.assertEqual(len(root.children), 10)
root.clear_widgets(root.children)
self.assertEqual(root.children, [])
def test_position(self):
wid = self.root
wid.x = 50
self.assertEqual(wid.x, 50)
self.assertEqual(wid.pos, [50, 0])
wid.y = 60
self.assertEqual(wid.y, 60)
self.assertEqual(wid.pos, [50, 60])
wid.pos = (0, 0)
self.assertEqual(wid.pos, [0, 0])
self.assertEqual(wid.x, 0)
self.assertEqual(wid.y, 0)
def test_size(self):
wid = self.root
wid.width = 50
self.assertEqual(wid.width, 50)
self.assertEqual(wid.size, [50, 100])
wid.height = 60
self.assertEqual(wid.height, 60)
self.assertEqual(wid.size, [50, 60])
wid.size = (100, 100)
self.assertEqual(wid.size, [100, 100])
self.assertEqual(wid.width, 100)
self.assertEqual(wid.height, 100)
def test_collision(self):
wid = self.root
self.assertEqual(wid.pos, [0, 0])
self.assertEqual(wid.size, [100, 100])
self.assertEqual(wid.collide_point(-1, -1), False)
self.assertEqual(wid.collide_point(0, 0), True)
self.assertEqual(wid.collide_point(50, 50), True)
self.assertEqual(wid.collide_point(100, 100), True)
self.assertEqual(wid.collide_point(200, 0), False)
self.assertEqual(wid.collide_point(500, 500), False)
# Currently rejected with a Shader didn't link, but work alone.
@unittest.skip("Doesn't work with testsuite, but work alone")
def test_export_to_png(self):
from kivy.core.image import Image as CoreImage
from kivy.uix.button import Button
from os.path import join
wid = Button(text='test', size=(200, 100), size_hint=(None, None))
self.root.add_widget(wid)
tmp = mkdtemp()
wid.export_to_png(join(tmp, 'a.png'))
wid.export_to_png(join(tmp, 'b.png'), scale=.5)
wid.export_to_png(join(tmp, 'c.png'), scale=2)
self.assertEqual(CoreImage(join(tmp, 'a.png')).size, (200, 100))
self.assertEqual(CoreImage(join(tmp, 'b.png')).size, (100, 50))
self.assertEqual(CoreImage(join(tmp, 'c.png')).size, (400, 200))
rmtree(tmp)
self.root.remove_widget(wid)
def test_disabled(self):
from kivy.uix.widget import Widget
w = Widget(disabled=None)
w.disabled = False
w.disabled = True
self.assertEqual(w.disabled, True)