Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)

Dependencies/Python/Lib/idlelib/idle_test/test_parenmatch.py

@@ -0,0 +1,112 @@
+"""Test parenmatch, coverage 91%.
+
+This must currently be a gui test because ParenMatch methods use
+several text methods not defined on idlelib.idle_test.mock_tk.Text.
+"""
+from idlelib.parenmatch import ParenMatch
+from test.support import requires
+requires('gui')
+
+import unittest
+from unittest.mock import Mock
+from tkinter import Tk, Text
+
+
+class DummyEditwin:
+    def __init__(self, text):
+        self.text = text
+        self.indentwidth = 8
+        self.tabwidth = 8
+        self.prompt_last_line = '>>>' # Currently not used by parenmatch.
+
+
+class ParenMatchTest(unittest.TestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        cls.root = Tk()
+        cls.root.withdraw()
+        cls.text = Text(cls.root)
+        cls.editwin = DummyEditwin(cls.text)
+        cls.editwin.text_frame = Mock()
+
+    @classmethod
+    def tearDownClass(cls):
+        del cls.text, cls.editwin
+        cls.root.update_idletasks()
+        cls.root.destroy()
+        del cls.root
+
+    def tearDown(self):
+        self.text.delete('1.0', 'end')
+
+    def get_parenmatch(self):
+        pm = ParenMatch(self.editwin)
+        pm.bell = lambda: None
+        return pm
+
+    def test_paren_styles(self):
+        """
+        Test ParenMatch with each style.
+        """
+        text = self.text
+        pm = self.get_parenmatch()
+        for style, range1, range2 in (
+                ('opener', ('1.10', '1.11'), ('1.10', '1.11')),
+                ('default',('1.10', '1.11'),('1.10', '1.11')),
+                ('parens', ('1.14', '1.15'), ('1.15', '1.16')),
+                ('expression', ('1.10', '1.15'), ('1.10', '1.16'))):
+            with self.subTest(style=style):
+                text.delete('1.0', 'end')
+                pm.STYLE = style
+                text.insert('insert', 'def foobar(a, b')
+
+                pm.flash_paren_event('event')
+                self.assertIn('<<parenmatch-check-restore>>', text.event_info())
+                if style == 'parens':
+                    self.assertTupleEqual(text.tag_nextrange('paren', '1.0'),
+                                          ('1.10', '1.11'))
+                self.assertTupleEqual(
+                        text.tag_prevrange('paren', 'end'), range1)
+
+                text.insert('insert', ')')
+                pm.restore_event()
+                self.assertNotIn('<<parenmatch-check-restore>>',
+                                 text.event_info())
+                self.assertEqual(text.tag_prevrange('paren', 'end'), ())
+
+                pm.paren_closed_event('event')
+                self.assertTupleEqual(
+                        text.tag_prevrange('paren', 'end'), range2)
+
+    def test_paren_corner(self):
+        """
+        Test corner cases in flash_paren_event and paren_closed_event.
+
+        Force execution of conditional expressions and alternate paths.
+        """
+        text = self.text
+        pm = self.get_parenmatch()
+
+        text.insert('insert', '# Comment.)')
+        pm.paren_closed_event('event')
+
+        text.insert('insert', '\ndef')
+        pm.flash_paren_event('event')
+        pm.paren_closed_event('event')
+
+        text.insert('insert', ' a, *arg)')
+        pm.paren_closed_event('event')
+
+    def test_handle_restore_timer(self):
+        pm = self.get_parenmatch()
+        pm.restore_event = Mock()
+        pm.handle_restore_timer(0)
+        self.assertTrue(pm.restore_event.called)
+        pm.restore_event.reset_mock()
+        pm.handle_restore_timer(1)
+        self.assertFalse(pm.restore_event.called)
+
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)