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