[Python-checkins] r73112 - python/branches/tk_and_idle_maintenance/Lib/lib-tk/test/test_tkinter/test_scrollbar.py

[guilherme.polo]

Author: guilherme.polo
Date: Mon Jun  1 22:01:24 2009
New Revision: 73112

Log:
Some tests for Tkinter.Scrollbar.

Added:
   python/branches/tk_and_idle_maintenance/Lib/lib-tk/test/test_tkinter/test_scrollbar.py   (contents, props changed)

Added: python/branches/tk_and_idle_maintenance/Lib/lib-tk/test/test_tkinter/test_scrollbar.py
==============================================================================
--- (empty file)
+++ python/branches/tk_and_idle_maintenance/Lib/lib-tk/test/test_tkinter/test_scrollbar.py	Mon Jun  1 22:01:24 2009
@@ -0,0 +1,84 @@
+import unittest
+import Tkinter
+from test.test_support import requires, run_unittest
+from ttk import setup_master
+
+requires('gui')
+
+class ScrollbarTest(unittest.TestCase):
+
+    def setUp(self):
+        self.root = setup_master()
+        self.text = Tkinter.Text(self.root, width=50, height=10)
+        self.sb = Tkinter.Scrollbar(self.root)
+        self.text.pack(side='left', fill='both', expand=True)
+        self.sb.pack(side='right', fill='y')
+        self.text['yscrollcommand'] = self.sb.set
+        self.sb['command'] = self.text.yview
+
+    def tearDown(self):
+        self.sb.destroy()
+        self.text.destroy()
+
+
+    def test_activate(self):
+        self.assertIs(self.sb.activate(), None)
+        self.sb.activate('arrow2')
+        self.assertEqual(self.sb.activate(), 'arrow2')
+        self.sb.activate('something invalid')
+        self.assertIs(self.sb.activate(), None)
+
+    def test_delta(self):
+        self.sb.update_idletasks()
+        self.assertTrue(isinstance(self.sb.delta(5, 5), float))
+        self.assertTrue(isinstance(self.sb.delta('1', '2'), float))
+        self.assertRaises(Tkinter.TclError, self.sb.delta, 1, {})
+
+    def test_fraction(self):
+        self.sb.update_idletasks()
+        self.assertTrue(isinstance(self.sb.fraction(5, 5), float))
+        self.assertTrue(isinstance(self.sb.fraction('1', '2'), float))
+        self.assertRaises(Tkinter.TclError, self.sb.fraction, 1, {})
+
+    def test_identify(self):
+        self.sb.update_idletasks()
+        x_mid = self.sb.winfo_width() / 2
+        y_max = self.sb.winfo_height()
+
+        values = ['', 'arrow1', 'arrow2', 'slider']
+        empty = self.sb.identify(0, 0)
+        self.assertIn(empty, values)
+        values.remove(empty)
+        self.assertEqual(values, ['arrow1', 'arrow2', 'slider'])
+        arrow1 = self.sb.identify(x_mid, 5)
+        self.assertIn(arrow1, values)
+        values.remove(arrow1)
+        self.assertEqual(values, ['arrow2', 'slider'])
+        arrow2 = self.sb.identify(x_mid, y_max - 5)
+        self.assertIn(arrow2, values)
+        values.remove(arrow2)
+        self.assertEqual(values, ['slider'])
+
+        for i in range(5, y_max):
+            if self.sb.identify(x_mid, i) in values:
+                values.remove('slider')
+        self.assertFalse(values)
+
+    def test_get_set(self):
+        self.sb.update_idletasks()
+        curr = self.sb.get()
+        self.assertTrue(isinstance(curr, tuple))
+        self.assertEqual(len(curr), 2)
+        for item in curr:
+            self.assertTrue(isinstance(item, float))
+
+        self.sb.set(2, 2)
+        self.assertEqual(self.sb.get(), (1.0, 1.0))
+        self.sb.set(-1, 2)
+        self.assertEqual(self.sb.get(), (0, 1))
+
+
+tests_gui = (ScrollbarTest, )
+
+if __name__ == "__main__":
+    run_unittest(*tests_gui)