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'''Test the functions and main class method of textView.py.'''
import unittest
import os
from test.support import requires
from tkinter import Tk, Text, TclError
from idlelib import textView as tv
from idlelib.idle_test.mock_idle import Func
from idlelib.idle_test.mock_tk import Mbox
orig_mbox = tv.tkMessageBox
class TextViewTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.TV = TV = tv.TextViewer
TV.transient = Func()
TV.grab_set = Func()
TV.wait_window = Func()
@classmethod
def tearDownClass(cls):
cls.root.destroy()
TV = cls.TV
del cls.root, cls.TV
del TV.transient, TV.grab_set, TV.wait_window
def setUp(self):
TV = self.TV
TV.transient.__init__()
TV.grab_set.__init__()
TV.wait_window.__init__()
def test_init_modal(self):
TV = self.TV
view = TV(self.root, 'Title', 'test text')
self.assertTrue(TV.transient.called)
self.assertTrue(TV.grab_set.called)
self.assertTrue(TV.wait_window.called)
view.Ok()
def test_init_nonmodal(self):
TV = self.TV
view = TV(self.root, 'Title', 'test text', modal=False)
self.assertFalse(TV.transient.called)
self.assertFalse(TV.grab_set.called)
self.assertFalse(TV.wait_window.called)
view.Ok()
def test_ok(self):
view = self.TV(self.root, 'Title', 'test text', modal=False)
view.destroy = Func()
view.Ok()
self.assertTrue(view.destroy.called)
del view.destroy # unmask real function
view.destroy
class textviewTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
tv.tkMessageBox = Mbox
@classmethod
def tearDownClass(cls):
cls.root.destroy()
del cls.root
tv.tkMessageBox = orig_mbox
def test_view_text(self):
# If modal True, tkinter will error with 'can't invoke "event" command'
view = tv.view_text(self.root, 'Title', 'test text', modal=False)
self.assertIsInstance(view, tv.TextViewer)
def test_view_file(self):
test_dir = os.path.dirname(__file__)
testfile = os.path.join(test_dir, 'test_textview.py')
view = tv.view_file(self.root, 'Title', testfile, modal=False)
self.assertIsInstance(view, tv.TextViewer)
self.assertIn('Test', view.textView.get('1.0', '1.end'))
view.Ok()
# Mock messagebox will be used and view_file will not return anything
testfile = os.path.join(test_dir, '../notthere.py')
view = tv.view_file(self.root, 'Title', testfile, modal=False)
self.assertIsNone(view)
if __name__ == '__main__':
unittest.main(verbosity=2)
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