def test_get_gains_losses(self):
res = {
'gains': [g for g in EXPECTED_CHANGES if g >= 0],
'losses': [l for l in EXPECTED_CHANGES if l < 0]
}
self.assertEqual(
poloniex.get_gains_losses(poloniex.parse_changes(HTTP_RESPONSE)),
res)
def from_poloniex(json):
""" Gets RSI from a JSON of market data
Args:
json: List of dates where each entry is a dict of raw market data.
Returns:
Float between 0 and 100, momentum indicator
of a market measuring the speed and change of price movements.
"""
changes = poloniex.get_gains_losses(poloniex.parse_changes(json))
return eval_algorithm(changes['gains'], changes['losses'])
def eval_from_json(json):
""" Evaluates RSI from JSON (typically Poloniex API response)
Args:
json: List of dates where each entry is a dict of raw market data.
Returns:
Float between 0 and 100, momentum indicator
of a market measuring the speed and change of price movements.
"""
changes = poloniex.get_gains_losses(poloniex.parse_changes(json))
return RSI.eval_algorithm(changes['gains'], changes['losses'])
def test_parse_changes(self):
self.assertEqual(poloniex.parse_changes(HTTP_RESPONSE),
EXPECTED_CHANGES)
