def testInvalidFontScale(self):
invalid_font_scale = 99
with self.assertRaisesWithLiteralMatch(
ValueError,
core._INVALID_FONT_SCALE.format(invalid_font_scale)):
core.MjrContext(
model=self.model,
gl_context=None, # Don't need a context for this test.
font_scale=invalid_font_scale)
def testFreeMjrContext(self):
for _ in range(5):
renderer = render.Renderer(640, 480)
with mock.patch.object(core.mjlib, "mjr_freeContext",
wraps=mjlib.mjr_freeContext) as mock_destructor:
mjr_context = core.MjrContext(self.model, renderer)
expected_address = ctypes.addressof(mjr_context.ptr.contents)
mjr_context.free()
self.assertIsNone(mjr_context.ptr)
mock_destructor.assert_called_once()
pointer = mock_destructor.call_args[0][0]
actual_address = ctypes.addressof(pointer.contents)
self.assertEqual(expected_address, actual_address)
# Explicit freeing should not break any automatic GC triggered later.
del mjr_context
renderer.free()
del renderer
gc.collect()