def test_valid(self):
" Test if generated objects are valid"
vert_obj = ShaderObject.vertex()
frag_obj = ShaderObject.fragment()
bad_obj = ShaderObject(8000, owned=True)
borrowed_obj = ShaderObject(glCreateShader(GL_VERTEX_SHADER), owned=True)
self.assertTrue(vert_obj.valid(), 'vertex shader is not valid')
self.assertTrue(frag_obj.valid(), 'fragment shader is not valid')
self.assertTrue(borrowed_obj.valid(), 'other vertex shader is not valid')
self.assertFalse(bad_obj.valid(), 'bad shader is valid')
self.assertTrue(vert_obj, 'vertex shader is not valid')
self.assertFalse(bad_obj, 'bad shader is valid')
def test_freeing(self):
" Test if the shaders are freed correctly"
vert_obj = ShaderObject.vertex()
# Warning, borrowed_obj do not own the underlying shader so it will not be freed automatically
borrowed_obj = ShaderObject(glCreateShader(GL_VERTEX_SHADER), owned=False)
borrowed_sid = borrowed_obj.sid
sid = vert_obj.sid
del vert_obj
del borrowed_obj
gc.collect()
self.assertEqual(GL_FALSE, glIsShader(sid), 'shader object is still valid')
self.assertEqual(GL_TRUE, glIsShader(borrowed_sid), 'shader object was deleted')
#Free the shader object
glDeleteShader(borrowed_sid)
def test_eq(self):
vert_obj = ShaderObject.vertex()
vert_obj_clone = ShaderObject(vert_obj.sid)
self.assertEqual(vert_obj, vert_obj_clone, 'vert and vert clone are not equal')