Ajout du GUI

kivy/tests/test_widget_walk.py

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+import unittest
+
+
+class FileWidgetWalk(unittest.TestCase):
+
+    def test_walk_large_tree(self):
+        from kivy.uix.boxlayout import BoxLayout
+        from kivy.uix.label import Label
+        ''' the tree
+        BoxLayout
+            BoxLayout
+            Label
+                10 labels
+            BoxLayout
+                10 labels
+            BoxLayout
+                Label
+            Label
+        '''
+
+        root = BoxLayout()
+        tree = [root]
+
+        box = BoxLayout()
+        tree.append(box)
+        root.add_widget(box)
+
+        label = Label()
+        tree.append(label)
+        root.add_widget(label)
+        for i in range(10):
+            tree.append(Label())
+            label.add_widget(tree[-1])
+
+        box = BoxLayout()
+        tree.append(box)
+        root.add_widget(box)
+        for i in range(10):
+            tree.append(Label())
+            box.add_widget(tree[-1])
+
+        box = BoxLayout()
+        tree.append(box)
+        root.add_widget(box)
+        tree.append(Label())
+        box.add_widget(tree[-1])
+
+        label = Label()
+        tree.append(label)
+        root.add_widget(label)
+
+        def rotate(l, n):
+            return l[n:] + l[:n]
+
+        for i in range(len(tree)):
+            rotated = rotate(tree, i)   # shift list to start at i
+            # walk starting with i
+            walked = [n for n in tree[i].walk(loopback=True)]
+            walked_reversed = [n for n in tree[i].walk_reverse(loopback=True)]
+
+            self.assertListEqual(rotated, walked)
+            self.assertListEqual(walked, list(reversed(walked_reversed)))
+
+    def test_walk_single(self):
+        from kivy.uix.label import Label
+
+        label = Label()
+        self.assertListEqual([n for n in label.walk(loopback=True)], [label])
+        self.assertListEqual([n for n in label.walk_reverse(loopback=True)],
+                             [label])