def pnl_percentage(self):
"""
The PNL% of the position
:return: float
"""
if self.qty == 0:
return 0
exit_price = self.current_price if self.exit_price is None else self.exit_price
return jh.estimate_PNL_percentage(self.qty, self.entry_price, exit_price, self.type)
def test_estimate_PNL_percentage():
# profit
assert jh.estimate_PNL_percentage(1, 200, 220, 'long') == 10
assert jh.estimate_PNL_percentage(1, 200, 180, 'short') == 10
# loss
assert jh.estimate_PNL_percentage(1, 200, 180, 'long') == -10
assert jh.estimate_PNL_percentage(1, 200, 220, 'short') == -10
with pytest.raises(TypeError):
jh.estimate_PNL_percentage(1, 200, 220, 1)
jh.estimate_PNL_percentage(1, 200, 'invalid_input', 'short')
jh.estimate_PNL_percentage(1, 'invalid_input', 220, 'short')
jh.estimate_PNL_percentage('invalid_input', 200, 220, 'short')
