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import sys
from unittest import TestCase, mock
import moderngl
import moderngl_window as mglw
from moderngl_window.context.base import BaseWindow
def swap_buffers(self):
"""Swap buffers closing window after 3 frames"""
self._frames += 1
if self._frames > 3:
self.close()
class Config(mglw.WindowConfig):
def __init__(self, **kwargs):
super().__init__(**kwargs)
def on_render(self, time: float, frame_time: float):
pass
class ModernGlWindowTestCase(TestCase):
@mock.patch('moderngl_window.context.headless.Window.swap_buffers', new=swap_buffers)
def test_run_window_config(self):
sys.argv = [
'something',
'-wnd', 'headless',
'--size_mult', '1.0',
'--cursor', 'False',
'--size', '100x100',
]
mglw.run_window_config(Config)
self.assertIsInstance(mglw.window(), BaseWindow)
self.assertIsInstance(mglw.ctx(), moderngl.Context)
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