def testUseCompilesAndAttachesShaders(self, mockGl):
shader1 = Mock()
shader2 = Mock()
program = ShaderProgram(shader1, shader2)
program.id = 123
program._getMessage = DoNothing
program.getLinkStatus = lambda: True
program.use()
self.assertEquals(shader1.compile.call_args, (tuple(), {}))
self.assertEquals(shader2.compile.call_args, (tuple(), {}))
self.assertEquals(mockGl.glAttachShader.call_args_list, [
((program.id, shader1.id), {}),
((program.id, shader2.id), {}),
])
