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      1 '''Test (selected) IDLE Edit menu items.
      2 
      3 Edit modules have their own test files files
      4 '''
      5 from test.test_support import requires
      6 import Tkinter as tk
      7 import unittest
      8 from idlelib import PyShell
      9 
     10 
     11 class PasteTest(unittest.TestCase):
     12     '''Test pasting into widgets that allow pasting.
     13 
     14     On X11, replacing selections requires tk fix.
     15     '''
     16 
     17     @classmethod
     18     def setUpClass(cls):
     19         requires('gui')
     20         cls.root = root = tk.Tk()
     21         root.withdraw()
     22         PyShell.fix_x11_paste(root)
     23         cls.text = tk.Text(root)
     24         cls.entry = tk.Entry(root)
     25         cls.spin = tk.Spinbox(root)
     26         root.clipboard_clear()
     27         root.clipboard_append('two')
     28 
     29     @classmethod
     30     def tearDownClass(cls):
     31         del cls.text, cls.entry, cls.spin
     32         cls.root.clipboard_clear()
     33         cls.root.update_idletasks()
     34         cls.root.update()
     35         cls.root.destroy()
     36         del cls.root
     37 
     38     def test_paste_text_no_selection(self):
     39         "Test pasting into text without a selection."
     40         text = self.text
     41         tag, ans = '', 'onetwo\n'
     42         text.delete('1.0', 'end')
     43         text.insert('1.0', 'one', tag)
     44         text.event_generate('<<Paste>>')
     45         self.assertEqual(text.get('1.0', 'end'), ans)
     46 
     47     def test_paste_text_selection(self):
     48         "Test pasting into text with a selection."
     49         text = self.text
     50         tag, ans = 'sel', 'two\n'
     51         text.delete('1.0', 'end')
     52         text.insert('1.0', 'one', tag)
     53         text.event_generate('<<Paste>>')
     54         self.assertEqual(text.get('1.0', 'end'), ans)
     55 
     56     def test_paste_entry_no_selection(self):
     57         "Test pasting into an entry without a selection."
     58         # On 3.6, generated <<Paste>> fails without empty select range
     59         # for 'no selection'.  Live widget works fine.
     60         entry = self.entry
     61         end, ans = 0, 'onetwo'
     62         entry.delete(0, 'end')
     63         entry.insert(0, 'one')
     64         entry.select_range(0, end)  # see note
     65         entry.event_generate('<<Paste>>')
     66         self.assertEqual(entry.get(), ans)
     67 
     68     def test_paste_entry_selection(self):
     69         "Test pasting into an entry with a selection."
     70         entry = self.entry
     71         end, ans = 'end', 'two'
     72         entry.delete(0, 'end')
     73         entry.insert(0, 'one')
     74         entry.select_range(0, end)
     75         entry.event_generate('<<Paste>>')
     76         self.assertEqual(entry.get(), ans)
     77 
     78     def test_paste_spin_no_selection(self):
     79         "Test pasting into a spinbox without a selection."
     80         # See note above for entry.
     81         spin = self.spin
     82         end, ans = 0, 'onetwo'
     83         spin.delete(0, 'end')
     84         spin.insert(0, 'one')
     85         spin.selection('range', 0, end)  # see note
     86         spin.event_generate('<<Paste>>')
     87         self.assertEqual(spin.get(), ans)
     88 
     89     def test_paste_spin_selection(self):
     90         "Test pasting into a spinbox with a selection."
     91         spin = self.spin
     92         end, ans = 'end', 'two'
     93         spin.delete(0, 'end')
     94         spin.insert(0, 'one')
     95         spin.selection('range', 0, end)
     96         spin.event_generate('<<Paste>>')
     97         self.assertEqual(spin.get(), ans)
     98 
     99 
    100 if __name__ == '__main__':
    101     unittest.main(verbosity=2)
    102