def test_using(self):
" Test shader with-block "
prog = ShaderProgram.new_program()
prog.attach(*self.get_objects())
prog.link()
self.assertIsNone(current_program(), 'Current program is not None')
with prog.using():
self.assertEqual(current_program(), prog, 'Program is not in use')
self.assertIsNone(current_program(), 'Current program is not None')
def test_use_remove(self):
" Test use and clear "
prog = ShaderProgram.new_program()
vert, frag = self.get_objects()
prog.attach(vert, frag)
prog.link()
prog.use()
self.assertEqual(current_program(), prog, 'Program is not in use')
ShaderProgram.clear()
self.assertIsNone(current_program(), 'Current program is not None')
def test_using_multiple(self):
" Test multiple shaders with-block "
prog1 = ShaderProgram.new_program()
prog1.attach(*self.get_objects())
prog1.link()
prog2 = ShaderProgram.new_program()
prog2.attach(*self.get_objects('shader2'))
prog2.link()
self.assertIsNone(current_program(), 'Current program is not None')
with prog1.using():
self.assertEqual(current_program(), prog1, 'Program 1 is not in use')
with prog2.using():
self.assertEqual(current_program(), prog2, 'Program 2 is not in use')
self.assertEqual(current_program(), prog1, 'Program 1 is not in use')
self.assertIsNone(current_program(), 'Current program is not None')