Ajout du GUI

kivy/tests/test_uix_stacklayout.py

@@ -0,0 +1,120 @@
+'''
+uix.stacklayout tests
+=====================
+'''
+
+import unittest
+
+from kivy.uix.stacklayout import StackLayout
+from kivy.uix.widget import Widget
+
+
+class UixStackLayoutTest(unittest.TestCase):
+
+    def test_stacklayout_no_children(self):
+        sl = StackLayout()
+        sl.do_layout()
+
+    def test_stacklayout_default(self):
+        # Default orientation is lr-tb.
+        sl = StackLayout()
+        wgts = [Widget(size_hint=(.5, .5)) for i in range(4)]
+        for wgt in wgts:
+            sl.add_widget(wgt)
+        sl.do_layout()
+
+        self.assertEqual(wgts[0].pos, [0, sl.height / 2.])
+        self.assertEqual(wgts[1].pos, [sl.width / 2., sl.height / 2.])
+        self.assertEqual(wgts[2].pos, [0, 0])
+        self.assertEqual(wgts[3].pos, [sl.width / 2., 0])
+
+    def test_stacklayout_fixed_size(self):
+        sl = StackLayout()
+        wgts = [Widget(size=(50, 50), size_hint=(None, None))
+                for i in range(4)]
+        for wgt in wgts:
+            sl.add_widget(wgt)
+        sl.do_layout()
+
+        self.assertEqual(wgts[0].pos, [0, sl.height / 2.])
+        self.assertEqual(wgts[1].pos, [sl.width / 2., sl.height / 2.])
+        self.assertEqual(wgts[2].pos, [0, 0])
+        self.assertEqual(wgts[3].pos, [sl.width / 2., 0])
+
+    def test_stacklayout_orientation_btrl(self):
+        # Default orientation is lr-tb.
+        sl = StackLayout()
+        wgts = [Widget(size_hint=(.5, .5)) for i in range(4)]
+        for wgt in wgts:
+            sl.add_widget(wgt)
+        sl.orientation = 'bt-rl'
+        sl.do_layout()
+
+        self.assertEqual(wgts[0].pos, [sl.width / 2., 0])
+        self.assertEqual(wgts[1].pos, [sl.width / 2., sl.height / 2.])
+        self.assertEqual(wgts[2].pos, [0, 0])
+        self.assertEqual(wgts[3].pos, [0, sl.height / 2.])
+
+    def test_stacklayout_orientation_rlbt(self):
+        # Default orientation is lr-tb.
+        sl = StackLayout()
+        wgts = [Widget(size_hint=(.5, .5)) for i in range(4)]
+        for wgt in wgts:
+            sl.add_widget(wgt)
+        sl.orientation = 'rl-bt'
+        sl.do_layout()
+
+        self.assertEqual(wgts[0].pos, [sl.width / 2., 0])
+        self.assertEqual(wgts[1].pos, [0, 0])
+        self.assertEqual(wgts[2].pos, [sl.width / 2., sl.height / 2.])
+        self.assertEqual(wgts[3].pos, [0, sl.height / 2.])
+
+    def test_stacklayout_padding(self):
+        sl = StackLayout()
+        wgts = [Widget(size_hint=(.5, .5)) for i in range(4)]
+        for wgt in wgts:
+            sl.add_widget(wgt)
+        sl.padding = 5.
+        sl.do_layout()
+
+        self.assertEqual(wgts[0].pos, [5., sl.height / 2.])
+        self.assertEqual(wgts[1].pos, [sl.width / 2., sl.height / 2.])
+        self.assertEqual(wgts[2].pos, [5., 5.])
+        self.assertEqual(wgts[3].pos, [sl.width / 2., 5.])
+
+    def test_stacklayout_spacing(self):
+        sl = StackLayout()
+        wgts = [Widget(size_hint=(.5, .5)) for i in range(4)]
+        for wgt in wgts:
+            sl.add_widget(wgt)
+        sl.spacing = 10
+        sl.do_layout()
+
+        self.assertEqual(wgts[0].pos, [0, sl.height / 2.])
+        self.assertEqual(wgts[1].pos, [sl.width / 2. + 5, sl.height / 2.])
+        self.assertEqual(wgts[2].pos, [0, -10])
+        self.assertEqual(wgts[3].pos, [sl.width / 2. + 5, -10])
+
+    def test_stacklayout_overflow(self):
+        sl = StackLayout()
+        wgts = [Widget(size_hint=(.2 * i, .2 * i)) for i in range(1, 4)]
+        for wgt in wgts:
+            sl.add_widget(wgt)
+        sl.padding = 5
+        sl.spacing = 5
+        sl.do_layout()
+
+        self.assertEqual(wgts[0].pos, [5, 77])
+        self.assertEqual(wgts[1].pos, [27, 59])
+        # floating point error, requires almost equal
+        self.assertAlmostEqual(wgts[2].pos[0], 5)
+        self.assertAlmostEqual(wgts[2].pos[1], 0)
+
+    def test_stacklayout_nospace(self):
+        # happens when padding is too big
+        sl = StackLayout()
+        wgts = [Widget(size_hint=(1., .25)) for i in range(1, 4)]
+        for wgt in wgts:
+            sl.add_widget(wgt)
+        sl.padding = 10
+        sl.do_layout()