Ajout du GUI

kivy/tests/test_widget.py

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+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)