def test_query_edges_on_multiple_years(symbol, isvariablelength, timeframe):
client.destroy(tbk=f"{symbol}/{timeframe}/TICK")
# original bug fixed by https://github.com/alpacahq/marketstore/pull/249
data = np.array(
[
(pd.Timestamp("2017-01-01 00:00").value / 10**9, 10.0),
(pd.Timestamp("2018-01-01 00:00").value / 10**9, 11.0),
],
dtype=[("Epoch", "i8"), ("Ask", "f4")],
)
client.write(data,
f"{symbol}/{timeframe}/TICK",
isvariablelength=isvariablelength)
params = pymkts.Params(symbol,
timeframe,
"TICK",
limit=1,
limit_from_start=True)
d_start = client.query(params).first().df()
params = pymkts.Params(symbol,
timeframe,
"TICK",
limit=1,
limit_from_start=False)
d_end = client.query(params).first().df()
assert len(d_start) == 1
assert len(d_end) == 1
assert datetime(2017, 1, 1, 0, 0, 0,
tzinfo=timezone.utc) == d_start.index[0]
assert datetime(2018, 1, 1, 0, 0, 0, tzinfo=timezone.utc) == d_end.index[0]
def test_query_edges(symbol, isvariablelength, timeframe):
client.destroy(tbk=f"{symbol}/{timeframe}/TICK")
data = np.array(
[
(pd.Timestamp("2017-01-01 00:00").value / 10**9, 10.0),
(pd.Timestamp("2017-02-01 00:00").value / 10**9, 11.0),
(pd.Timestamp("2017-03-01 00:00").value / 10**9, 12.0),
],
dtype=[("Epoch", "i8"), ("Ask", "f4")],
)
client.write(data,
f"{symbol}/{timeframe}/TICK",
isvariablelength=isvariablelength)
params = pymkts.Params(symbol,
timeframe,
"TICK",
limit=1,
limit_from_start=True)
d_start = client.query(params).first().df()
params = pymkts.Params(symbol,
timeframe,
"TICK",
limit=1,
limit_from_start=False)
d_end = client.query(params).first().df()
assert len(d_start) == 1
assert len(d_end) == 1
assert datetime(2017, 1, 1, 0, 0, 0,
tzinfo=timezone.utc) == d_start.index[0]
assert datetime(2017, 3, 1, 0, 0, 0, tzinfo=timezone.utc) == d_end.index[0]
def test_grpc_query_all_symbols():
# --- init ---
symbol = "TEST"
symbol2 = "TEST2"
symbol3 = "TEST3"
timeframe = "1Sec"
attribute = "OHLCV"
tbk = "{}/{}/{}".format(symbol, timeframe, attribute)
tbk2 = "{}/{}/{}".format(symbol2, timeframe, attribute)
tbk3 = "{}/{}/{}".format(symbol3, timeframe, attribute)
# --- write ---
data = np.array([
(pd.Timestamp('2017-01-01 00:00:00').value / 10**9, 10.0, 20.0),
],
dtype=[('Epoch', 'i8'), ('High', 'f4'), ('Low', 'f4')])
data2 = np.array([
(pd.Timestamp('2017-01-01 01:00:00').value / 10**9, 30.0, 40.0),
],
dtype=[('Epoch', 'i8'), ('High', 'f4'), ('Low', 'f4')])
data3 = np.array([
(pd.Timestamp('2017-01-01 02:00:00').value / 10**9, 50.0, 60.0),
],
dtype=[('Epoch', 'i8'), ('High', 'f4'), ('Low', 'f4')])
client.write(data, tbk)
client.write(data2, tbk2)
client.write(data3, tbk3)
time.sleep(0.5)
# --- query all symbols using * ---
resp = client.query(pymkts.Params(
"*",
timeframe,
attribute,
limit=2,
))
assert len(resp.keys(
)) >= 3 # TEST, TEST2, TEST3, (and maybe some other test buckets)
# --- query comma-separated symbol names ---
print("{},{}/{}/{}".format(symbol, symbol2, timeframe, attribute))
resp = client.query(
pymkts.Params(
[symbol, symbol2],
timeframe,
attribute,
limit=2,
))
assert set(resp.keys()) == {tbk, tbk2}
# --- tearDown ---
client.destroy(tbk)
client.destroy(tbk2)
client.destroy(tbk3)
def get_value(client, query: str, column: str, start_dt: datetime,
end_dt: datetime):
symbol, timeframe, attribute = query.split("/")
try:
params = pymkts.Params(symbol,
timeframe,
attribute,
limit=1,
start=start_dt,
end=end_dt)
df = client.query(params).first().df()
if df is None or df.empty: # there are no result
return (0, ERROR_VALUE_OF_LATENCY)
value = df.tail(1).get(column)
if value is None:
logger.error("column %s does not exists", column)
return (0, 0)
latency = end_dt - df.index[-1]
return (value, latency.total_seconds())
except ConnectionError as e:
logger.error("connection error")
except Exception as e:
if is_symbol_does_not_exist_error(e):
logger.error("symbol does not exists: %s", query)
else:
logger.error(e)
return (0, 0)
def build_test(in_df, symbol, timeframe, start, end):
param = pymkts.Params([symbol], timeframe, "TICK", start=start, end=end)
out_df = client.query(param).first().df()
processed_out_df = process_query_result(out_df, inplace=False)
assert not out_df.empty
try:
pd.testing.assert_frame_equal(in_df, processed_out_df)
except AssertionError:
df1 = in_df
df2 = processed_out_df
if len(df1) != len(df2):
print("lengths do not match, inspect manually")
raise
bad_locations = df1.index != df2.index
dilated_bad_locations = np.convolve(
bad_locations.astype(int), [1, 1, 1], mode="same"
).astype(bool)
# print("Show dilated bad locations".center(40, "-"))
# print("\ninput df")
# display(df1.loc[dilated_bad_locations, :])
# print("\noutput df, postprocessed")
# display(df2.loc[dilated_bad_locations, :])
# print("\noutput df, raw")
# display(out_df.loc[dilated_bad_locations, :])
raise
def test_nanosec_range(symbol, data, start, end, limit, limit_from_start,
response):
# ---- given ----
print(
client.write(np.array(data, dtype=DATA_TYPE_NANOSEC),
"{}/1Sec/TICK".format(symbol),
isvariablelength=True))
# ---- when ----
reply = client.query(
pymkts.Params(
symbol,
'1Sec',
'TICK',
start=start,
end=end,
limit=limit,
limit_from_start=limit_from_start,
))
client.destroy("{}/1Sec/TICK".format(symbol))
# ---- then ----
ret_df = reply.first().df()
assert (response == ret_df.values).all()
def test_tickcandler(aggfunc, limit, limit_from_start, exp_open, exp_high,
exp_low, exp_close):
# ---- given ----
tbk = "{}/1Sec/TICK".format(symbol2)
client.destroy(tbk) # setup
client.write(np.array(data2, dtype=data_type2),
tbk,
isvariablelength=False)
# ---- when ----
agg_reply = client.query(
pymkts.Params(symbol2,
'1Sec',
'TICK',
limit=limit,
limit_from_start=limit_from_start,
functions=aggfunc))
# ---- then ----
ret = agg_reply.first().df()
assert ret["Open"][0] == exp_open
assert ret["High"][0] == exp_high
assert ret["Low"][0] == exp_low
assert ret["Close"][0] == exp_close
def test_ticks_simple_cases(symbol, data, index, nanoseconds):
client.destroy(tbk=f"{symbol}/1Sec/TICK")
in_df = utils.build_dataframe(
data,
pd.to_datetime(index, format="%Y-%m-%d %H:%M:%S").tz_localize("utc"),
nanoseconds=nanoseconds,
)
ret = write(in_df, symbol, extract_nanoseconds=nanoseconds is not None)
print("Msg ret: {}".format(ret))
param = pymkts.Params([symbol], "1Sec", "TICK")
out_df = client.query(param).first().df()
processed_out_df = utils.process_query_result(out_df, inplace=False)
print("\ninput df")
print(in_df)
print("\noutput df, postprocessed")
print(processed_out_df)
print("\noutput df, raw")
print(out_df)
pd.testing.assert_frame_equal(in_df, processed_out_df)
def get(self, exchange):
args = parser.parse_args()
# exchange_symbol = 'binance-BTCUSDT'
# args['interval'] = '1Min'
datatype = 'OHLCV'
cli = pymkts.Client('http://206.189.216.139:5993/rpc')
# query pymkts
allsymbols = cli.list_symbols()
filtered_symbols = list(filter(lambda i: exchange in i, allsymbols))
# args['exchange_symbol']
param = pymkts.Params(allsymbols,
args['interval'],
datatype,
limit=100)
reply = cli.query(param)
data = reply.first().df()
# close = data['Close']
# rsi = talib.RSI(close, timeperiod=12)
# {'data' : data[0:100000].to_json(), 'rsi': rsi.to_json()[0:10000]}
# return data.to_csv(sep='\t'), 201, {'Access-Control-Allow-Origin': '*'}
return filtered_symbols, 201, {'Access-Control-Allow-Origin': '*'}
def test_write():
# write -> query -> destroy
# --- init ---
destroy("TEST/1Min/Tick")
# --- write ---
data = np.array(
[(pd.Timestamp('2017-01-01 00:00').value / 10**9, 10.0, 20.0)],
dtype=[('Epoch', 'i8'), ('High', 'f4'), ('Low', 'f4')])
master_client.write(data, 'TEST/1Min/OHLCV')
# --- wait until replication is done ---
time.sleep(0.1)
# --- query ---
resp = replica_client.query(pymkts.Params('TEST', '1Min', 'OHLCV'))
assert (resp.first().df().values == [10.0, 20.0]).all()
# --- list_symbols ---
symbols = replica_client.list_symbols()
assert "TEST" in symbols
# --- destroy ---
destroy("TEST/1Min/OHLCV")
def test_corporate_actions():
params = pymkts.Params('AAPL', '1D', 'ACTIONS')
ca = client.query(params).first().df()
assert len(ca) == 1
assert ca.TextNumber[0] == 2103357
assert ca.Rate[0] == 4.0
def test_write_unsorted_ticks_returns_sorted_ticks(symbol, data, index,
nanoseconds):
client.destroy(tbk=f"{symbol}/1Sec/TICK")
in_df = utils.build_dataframe(
data,
pd.to_datetime(index, format="%Y-%m-%d %H:%M:%S").tz_localize("utc"),
nanoseconds=nanoseconds,
)
ret = write(in_df, symbol, extract_nanoseconds=nanoseconds is not None)
print("Msg ret: {}".format(ret))
param = pymkts.Params([symbol], "1Sec", "TICK")
out_df = client.query(param).first().df()
processed_out_df = utils.process_query_result(out_df, inplace=False)
print("\ninput df")
print(in_df)
print("\noutput df, postprocessed")
print(processed_out_df)
print("\noutput df, raw")
print(out_df)
pd.testing.assert_frame_equal(
in_df.sort_index(kind="merge"),
processed_out_df,
# check_less_precise=True,
# commented out as the warning shown:
# FutureWarning: The 'check_less_precise' keyword in testing.assert_*_equal is deprecated and will be removed
# in a future version. You can stop passing 'check_less_precise' to silence this warning. check_less_precise=True,
)
def test_no_data_available(symbol, timeframe, data, index, nanoseconds, start,
end):
start = pd.Timestamp(start, tz="utc")
end = pd.Timestamp(end, tz="utc")
in_df = utils.build_dataframe(
data,
pd.to_datetime(index, format="%Y-%m-%d %H:%M:%S").tz_localize("utc"),
columns=["Bid", "Ask"],
nanoseconds=nanoseconds,
)
records = utils.to_records(in_df,
extract_nanoseconds=nanoseconds is not None)
tbk = f"{symbol}/{timeframe}/TICK"
# ---- given ----
ret = client.write(records, tbk, isvariablelength=True)
print("Msg ret: {}".format(ret))
param = pymkts.Params([symbol], timeframe, "TICK", start=start, end=end)
# ---- when ----
ret = client.query(param)
out_df = ret.first().df()
assert out_df.empty
def test_tick():
# --- init ---
symbol = "TEST"
timeframe = "1Sec"
attribute = "Tick"
destroy("{}/{}/{}".format(symbol, timeframe, attribute))
# --- write ---
data = np.array(
[
(pd.Timestamp('2017-01-01 00:00:00').value / 10 ** 9, 10.0, 20.0),
(pd.Timestamp('2017-01-01 00:00:00').value / 10 ** 9, 30.0, 40.0),
],
dtype=[('Epoch', 'i8'), ('Ask', 'f4'), ('Bid', 'f4')]
)
master_client.write(data, "{}/{}/{}".format(symbol, timeframe, attribute), isvariablelength=True)
time.sleep(0.1)
# --- query ---
resp = replica_client.query(pymkts.Params(symbol, timeframe, attribute))
assert (resp.first().df().loc[:, ['Ask', 'Bid']].values == [[10.0, 20.0], [30.0, 40.0]]).all()
# --- tearDown ---
destroy("{}/{}/{}".format(symbol, timeframe, attribute))
def test_integrity_ticks(db, symbol, with_nanoseconds):
# ---- given ----
data = db[symbol]
records = convert(data, with_nanoseconds=with_nanoseconds)
tbk = get_tbk(symbol, TIMEFRAME, ATTRGROUP)
# ---- when ----
ret = client.write(records, tbk, isvariablelength=True)
print("Msg ret: {}".format(ret))
assert symbol in list(db.keys())
param = pymkts.Params([symbol],
TIMEFRAME,
ATTRGROUP,
)
ret_df = client.query(param).first().df()
# delete Nanoseconds column because it has some error and we can't assert
# assert (data == ret_df).all().all() # fails if assert here!
data = data.drop(columns="Nanoseconds", errors="ignore")
ret_df = ret_df.drop(columns="Nanoseconds", errors="ignore")
# ---- then ----
assert (data == ret_df).all().all()
def test_query_edges_on_overlapping_years(symbol, isvariablelength, timeframe):
# original bug fixed by https://github.com/alpacahq/marketstore/pull/249
client.destroy(tbk=f"{symbol}/{timeframe}/TICK")
data = np.array(
[
(pd.Timestamp("2017-01-01 00:00").value / 10**9, 10.0),
(pd.Timestamp("2018-01-01 00:00").value / 10**9, 11.0),
],
dtype=[("Epoch", "i8"), ("Ask", "f4")],
)
client.write(data,
f"{symbol}/{timeframe}/TICK",
isvariablelength=isvariablelength)
params = pymkts.Params(
symbol,
timeframe,
"TICK",
start=pd.Timestamp("2017-01-01 00:00"),
end=pd.Timestamp("2018-01-02 00:00"),
)
d_all = client.query(params).first().df()
print(d_all)
assert d_all.shape[0] == 2
assert datetime(2017, 1, 1, 0, 0, 0, tzinfo=timezone.utc) == d_all.index[0]
assert datetime(2018, 1, 1, 0, 0, 0,
tzinfo=timezone.utc) == d_all.index[-1]
def query(
self,
symbol,
tbk: Tuple[str, str] = _tick_tbk_ids,
) -> pd.DataFrame:
# XXX: causes crash
# client.query(pymkts.Params(symbol, '*', 'OHCLV'
result = self._client.query(pymkts.Params(symbol, *tbk), )
return result.first().df()
def test_symbol_does_not_exist(symbol, timeframe, start, end):
start = pd.Timestamp(start, tz="utc")
end = pd.Timestamp(end, tz="utc")
param = pymkts.Params([symbol], "1Sec", "TICK", start=start, end=end)
with pytest.raises(Exception) as excinfo:
# resp = {'error': {'code': -32000, 'data': None, 'message': 'no files returned from query parse'}, 'id': '1', 'jsonrpc': '2.0'} # noqa
# pymarketstore/jsonrpc.py:48: Exception
client.query(param)
assert "no files returned from query parse" in str(excinfo.value)
def test_query(stub):
# --- given ---
c = pymkts.GRPCClient()
p = pymkts.Params('BTC', '1Min', 'OHLCV')
# --- when ---
c.query(p)
# --- then ---
assert c.stub.Query.called == 1
def test_driver():
data = np.array([(pd.Timestamp('2017-01-01 00:00').value / 10**9, 10.0)], dtype=[('Epoch', 'i8'), ('Ask', 'f4')])
cli = pymkts.Client()
cli.write(data, 'TEST/1Min/Tick')
d2 = cli.query(pymkts.Params('TEST', '1Min', 'Tick')).first().df()
print("Length of result: ",d2.shape[0])
assert d2.shape[0] == 1
assert datetime(2017,1,1,0,0,0,tzinfo=timezone.utc).timestamp() == d2.index[0].timestamp()
def get_data(self, symbol, timeframe, limits) -> pd.DataFrame:
limit = None
if all(isinstance(x, int) for x in limits):
limit = max(*limits) if len(limits) > 1 else limits[0]
return self.client.query(
pymkts.Params(
symbol,
timeframe,
attrgroup='OHLCV',
limit=limit,
end=pd.Timestamp(self.day.date(),
tz='America/New_York'))).first().df()
def test_write_unsorted_random_data(symbol, size, start, window):
client.destroy(tbk=f"{symbol}/1Sec/TICK")
window = pd.Timedelta(window)
start = pd.Timestamp(start, tz="utc")
end = start + window
np.random.seed(42)
random.seed(42)
# because we expect the some leakage within 1 second due to the nanoseconds field,
# we add some margin to data around (not exactly super close to the central data)
pre_in_df = utils.generate_dataframe(
size,
start - window,
start - pd.Timedelta("1s"),
random_data=True,
sort_index=False,
)
in_df = utils.generate_dataframe(size,
start,
end,
random_data=True,
sort_index=False)
post_in_df = utils.generate_dataframe(size,
end + pd.Timedelta("1s"),
end + window,
random_data=True,
sort_index=False)
write(pre_in_df, symbol, extract_nanoseconds=True)
write(in_df, symbol, extract_nanoseconds=True)
write(post_in_df, symbol, extract_nanoseconds=True)
param = pymkts.Params([symbol], "1Sec", "TICK", start=start, end=end)
out_df = client.query(param).first().df()
processed_out_df = utils.process_query_result(out_df, inplace=False)
print("\ninput df")
print(in_df)
print("\noutput df, postprocessed")
print(processed_out_df)
print("\noutput df, raw")
print(out_df)
pd.testing.assert_frame_equal(
in_df.sort_index(kind="merge"),
processed_out_df,
# check_less_precise=True,
# commented out as the warning shown:
# FutureWarning: The 'check_less_precise' keyword in testing.assert_*_equal is deprecated and will be removed
# in a future version. You can stop passing 'check_less_precise' to silence this warning. check_less_precise=True,
)
def assert_query_result(df, symbol, size, timeframe, start, end):
start = pd.Timestamp(start).tz_convert("utc")
end = pd.Timestamp(end).tz_convert("utc")
param = pymkts.Params([symbol], timeframe, "TICK", start=start, end=end)
out_df = client.query(param).first().df()
processed_out_df = utils.process_query_result(out_df, inplace=False)
assert not out_df.empty
assert size == len(out_df)
assert out_df.index.is_monotonic_increasing
try:
if timeframe == "1Sec":
pd.testing.assert_frame_equal(df, processed_out_df, check_less_precise=True)
else:
# remove all nanoseconds information for now because of the precision issue
# on nanoseconds
# BUG
# though whe nwe look at the raw value of the nanoseconds returned, we can
# see it has the same issue as for 1sec: it is set to 0 which is then
# flipped to 99999999xx due to precision issue
pd.testing.assert_frame_equal(
rm_ns_from_idx(df),
rm_ns_from_idx(processed_out_df),
# check_less_precise=True,
# commented out as the warning shown:
# FutureWarning: The 'check_less_precise' keyword in testing.assert_*_equal is deprecated and will be removed
# in a future version. You can stop passing 'check_less_precise' to silence this warning. check_less_precise=True,
)
except AssertionError:
if len(df) != len(out_df):
print("lengths do not match, inspect manually")
raise
bad_locations = df.index != processed_out_df.index
dilated_bad_locations = np.convolve(
bad_locations.astype(int), [1, 1, 1], mode="same"
).astype(bool)
print("Show dilated bad locations".center(40, "-"))
print("\ninput df")
print(df.loc[dilated_bad_locations, :])
print("\noutput df, postprocessed")
print(processed_out_df.loc[dilated_bad_locations, :])
print("\noutput df, raw")
print(out_df.loc[dilated_bad_locations, :])
raise
def test_1sec_tf_tick(symbol, data):
# ---- given ----
client.write(np.array(data, dtype=DATA_TYPE_TICK),
"{}/1Sec/TICK".format(symbol),
isvariablelength=True)
# ---- when ----
reply = client.query(pymkts.Params(symbol, '1Sec', 'TICK', limit=10))
# ---- then ----
data_without_epochs = [record[1:] for record in data]
assert (reply.first().df().values == data_without_epochs).all()
def test_column_coerce(symbol, data_type, data, coerce_to):
# ---- given ----
tbk = "{}/1Sec/TICK".format(symbol)
client.destroy(tbk) # setup
print(client.write(np.array(data, dtype=data_type), tbk, isvariablelength=False))
# ---- when ----
reply_before = client.query(pymkts.Params(symbol, '1Sec', 'TICK', limit=10))
# write the same data but with different column dataType so that coerce_column happens
ret = client.write(np.array(data, dtype=coerce_to), tbk, isvariablelength=False)
reply_after = client.query(pymkts.Params(symbol, '1Sec', 'TICK', limit=10))
# ---- then ----
# no error (when there is no write error, json-rpc client returns "{'responses': None}" and gRPC client returns "")
assert str(ret) in ["{'responses': None}", ""]
# no data is updated
assert (reply_before.first().df().values == reply_after.first().df().values).all()
def test_1sec_tf_candle(symbol, data):
# ---- given ----
print(
client.write(np.array(data, dtype=DATA_TYPE_CANDLE),
"{}/1Sec/OHLCV".format(symbol),
isvariablelength=False))
# ---- when ----
reply = client.query(pymkts.Params(symbol, '1Sec', 'OHLCV', limit=10))
# ---- then ----
data_without_epochs = [record[1:] for record in data]
assert (reply.first().df().values == data_without_epochs).all()
def test_to_query_request():
p = pymkts.Params('TSLA', '1Min', 'OHLCV', 1500000000, 4294967296)
assert p.to_query_request() == {
'destination': 'TSLA/1Min/OHLCV',
'epoch_start': 1500000000,
'epoch_end': 4294967296,
}
p2 = pymkts.Params(symbols=['FORD', 'TSLA'],
timeframe='5Min',
attrgroup='OHLCV',
start=1000000000,
end=4294967296,
limit=200,
limit_from_start=False)
assert p2.to_query_request() == {
'destination': 'FORD,TSLA/5Min/OHLCV',
'epoch_start': 1000000000,
'epoch_end': 4294967296,
'limit_record_count': 200,
'limit_from_start': False,
}
def test_build_query():
# --- given ---
c = pymkts.GRPCClient(endpoint="127.0.0.1:5995")
p = pymkts.Params('TSLA', '1Min', 'OHLCV', 1500000000, 4294967296)
# --- when ---
query = c.build_query([p])
# --- then ---
assert query == MultiQueryRequest(requests=[
QueryRequest(destination="TSLA/1Min/OHLCV",
epoch_start=1500000000,
epoch_end=4294967296)
])
def test_too_long_string():
# --- given ---
tbk = "STR2/1D/TICK"
client.destroy(tbk)
recarray = np.array([(timestamp('2019-05-01 00:00:00'), "this_is_longer_than_16_characters")], dtype=dtype)
# --- when ---
rep = client.write(recarray=recarray, tbk=tbk, isvariablelength=False)
symbol, timeframe, attribute_group = tbk.split("/")
param = pymkts.Params(symbol, timeframe, attribute_group)
reply = client.query(param)
# --- then ---
print(reply.first().df())
def test_build_query():
c = pymkts.Client("127.0.0.1:5994")
p = pymkts.Params('TSLA', '1Min', 'OHLCV', 1500000000, 4294967296)
p2 = pymkts.Params('FORD', '5Min', 'OHLCV', 1000000000, 4294967296)
query_dict = c.build_query([p, p2])
test_query_dict = {}
test_lst = []
param_dict1 = {
'destination': 'TSLA/1Min/OHLCV',
'epoch_start': 1500000000,
'epoch_end': 4294967296
}
test_lst.append(param_dict1)
param_dict2 = {
'destination': 'FORD/5Min/OHLCV',
'epoch_start': 1000000000,
'epoch_end': 4294967296
}
test_lst.append(param_dict2)
test_query_dict['requests'] = test_lst
assert query_dict == test_query_dict
query_dict = c.build_query(p)
assert query_dict == {'requests': [param_dict1]}
