def test_div(app): assert calc('div', 10, 2).data == jsonify({'result': 5}).data
def test_mul(app): assert calc('mul', 5, 3).data == jsonify({'result': 15}).data
def test_sub(app): assert calc('sub', 10, 5).data == jsonify({'result': 5}).data
def test_sum(app): assert calc('sum', 1, 2).data == jsonify({'result': 3}).data