https://github.com/python/cpython/commit/15db2421ceaee4042bec725e0ab38975e3985240 commit: 15db2421ceaee4042bec725e0ab38975e3985240 branch: 3.13 author: Jan-Eric Nitschke <[email protected]> committer: hugovk <[email protected]> date: 2025-11-05T17:24:46+02:00 summary:
[3.13] gh-138772: Add tests for Turtle.dot() signature (GH-138773) (#140992) Co-authored-by: Jan-Eric Nitschke <[email protected]> Co-authored-by: Hugo van Kemenade <[email protected]> files: M Lib/test/test_turtle.py diff --git a/Lib/test/test_turtle.py b/Lib/test/test_turtle.py index 14121a590a5026..a572ff4b9e91cc 100644 --- a/Lib/test/test_turtle.py +++ b/Lib/test/test_turtle.py @@ -1,5 +1,6 @@ import pickle import unittest +import unittest.mock from test import support from test.support import import_helper from test.support import os_helper @@ -50,6 +51,34 @@ """ +def patch_screen(): + """Patch turtle._Screen for testing without a display. + + We must patch the _Screen class itself instead of the _Screen + instance because instantiating it requires a display. + """ + # Create a mock screen that delegates color validation to the real TurtleScreen methods + mock_screen = unittest.mock.MagicMock() + mock_screen.__class__ = turtle._Screen + mock_screen.mode.return_value = "standard" + mock_screen._colormode = 1.0 + + def mock_iscolorstring(color): + valid_colors = {'red', 'green', 'blue', 'black', 'white', 'yellow', + 'orange', 'purple', 'pink', 'brown', 'gray', 'grey', + 'cyan', 'magenta'} + + return color in valid_colors or (isinstance(color, str) and color.startswith('#')) + + mock_screen._iscolorstring = mock_iscolorstring + mock_screen._colorstr = turtle._Screen._colorstr.__get__(mock_screen) + + return unittest.mock.patch( + "turtle._Screen.__new__", + return_value=mock_screen + ) + + class TurtleConfigTest(unittest.TestCase): def get_cfg_file(self, cfg_str): @@ -461,6 +490,38 @@ def test_teleport(self): self.assertTrue(tpen.isdown()) +class TestTurtle(unittest.TestCase): + def setUp(self): + with patch_screen(): + self.turtle = turtle.Turtle() + + # Reset the Screen singleton to avoid reference leaks + self.addCleanup(setattr, turtle.Turtle, '_screen', None) + + def test_dot_signature(self): + self.turtle.dot() + self.turtle.dot(10) + self.turtle.dot(size=10) + self.turtle.dot((0, 0, 0)) + self.turtle.dot(size=(0, 0, 0)) + self.turtle.dot("blue") + self.turtle.dot("") + self.turtle.dot(size="blue") + self.turtle.dot(20, "blue") + self.turtle.dot(20, "blue") + self.turtle.dot(20, (0, 0, 0)) + self.turtle.dot(20, 0, 0, 0) + with self.assertRaises(TypeError): + self.turtle.dot(color="blue") + self.assertRaises(turtle.TurtleGraphicsError, self.turtle.dot, "_not_a_color_") + self.assertRaises(turtle.TurtleGraphicsError, self.turtle.dot, 0, (0, 0, 0, 0)) + self.assertRaises(turtle.TurtleGraphicsError, self.turtle.dot, 0, 0, 0, 0, 0) + self.assertRaises(turtle.TurtleGraphicsError, self.turtle.dot, 0, (-1, 0, 0)) + self.assertRaises(turtle.TurtleGraphicsError, self.turtle.dot, 0, -1, 0, 0) + self.assertRaises(turtle.TurtleGraphicsError, self.turtle.dot, 0, (0, 257, 0)) + self.assertRaises(turtle.TurtleGraphicsError, self.turtle.dot, 0, 0, 257, 0) + + class TestModuleLevel(unittest.TestCase): def test_all_signatures(self): import inspect _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
