def initRates(self, inputCandle: str) -> list:
"""
Parse the inputCandle string into a list of three `rates`.
Args:
inputCandle (str): the input command to be parsed.
Returns:
list: such as [Rate, Rate, Rate]
"""
# Split input string (cut by a semi-colon)
inputsRate = inputCandle.split(sep=";")
if len(inputsRate) is not 3:
Logger("There might be three rates per candle.")
self._state = globals.INVALID
return None
outputRates = [
Rate(inputsRate[0]),
Rate(inputsRate[1]),
Rate(inputsRate[2])
]
# Check for rates' validity
for rate in outputRates:
if rate._state is globals.INVALID:
Logger("Candle is invalid")
self._state = globals.INVALID
return outputRates
def test_twiceSameCurrency(caplog):
rate = Rate("USDT_USDT,1516147200,11600.12523891,11032.9211865,11041.42197477,11214.06052489,volume")
assert rate._state == globals.INVALID
with caplog.at_level(logging.ERROR):
assert caplog.records[0].message == "Two times the same currency."
def test_normalCase():
rate = Rate("USDT_BTC,1516147200,11600.12523891,11032.9211865,11041.42197477,11214.06052489,4123273.6568455")
assert rate._state == globals.VALID
assert rate._currency1 == "USDT"
assert rate._currency2 == "BTC"
assert rate._date == 1516147200
assert rate._high == 11600.12523891
assert rate._low == 11032.9211865
assert rate._open == 11041.42197477
assert rate._close == 11214.06052489
assert rate._volume == 4123273.6568455
def test_wrongVolumeValue():
rate = Rate("USDT_BTC,1516147200,11600.12523891,11032.9211865,11041.42197477,11214.06052489,volume")
assert rate._state == globals.INVALID
def test_wrongCloseValue():
rate = Rate("USDT_BTC,1516147200,11600.12523891,11032.9211865,11041.42197477,close,4123273.6568455")
assert rate._state == globals.INVALID
def test_wrongOpenValue():
rate = Rate("USDT_BTC,1516147200,11600.12523891,11032.9211865,open,11214.06052489,4123273.6568455")
assert rate._state == globals.INVALID
def test_wrongLowValue():
rate = Rate("USDT_BTC,1516147200,11600.12523891,low,11041.42197477,11214.06052489,4123273.6568455")
assert rate._state == globals.INVALID
def test_wrongHighValue():
rate = Rate("USDT_BTC,1516147200,high,11032.9211865,11041.42197477,11214.06052489,4123273.6568455")
assert rate._state == globals.INVALID
def test_wrongDate():
rate = Rate("USDT_BTC,date,11600.12523891,11032.9211865,11041.42197477,11214.06052489,4123273.6568455")
assert rate._state == globals.INVALID
def test_wrongPairSecondIsNotValidCurrency():
rate = Rate("USDT_WRONG,1516147200,11600.12523891,11032.9211865,11041.42197477,11214.06052489,4123273.6568455")
assert rate._state == globals.INVALID
def test_wrongPairFormat():
rate = Rate("USDT-BTC,1516147200,11600.12523891,11032.9211865,11041.42197477,11214.06052489,4123273.6568455")
assert rate._state == globals.INVALID