eland/tests/series/test_hist_pytest.py
2020-11-16 11:30:41 -06:00

76 lines
2.6 KiB
Python

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# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
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#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# File called _pytest for PyCharm compatability
import numpy as np
import pandas as pd
import pytest
from pandas.testing import assert_frame_equal
from tests.common import TestData
class TestSeriesFrameHist(TestData):
def test_flight_delay_min_hist(self):
pd_flights = self.pd_flights()
ed_flights = self.ed_flights()
num_bins = 10
# pandas data
pd_flightdelaymin = np.histogram(pd_flights["FlightDelayMin"], num_bins)
pd_bins = pd.DataFrame({"FlightDelayMin": pd_flightdelaymin[1]})
pd_weights = pd.DataFrame({"FlightDelayMin": pd_flightdelaymin[0]})
ed_bins, ed_weights = ed_flights["FlightDelayMin"]._hist(num_bins=num_bins)
# Numbers are slightly different
print(pd_bins, ed_bins)
assert_frame_equal(pd_bins, ed_bins, check_exact=False)
assert_frame_equal(pd_weights, ed_weights, check_exact=False)
def test_filtered_hist(self):
pd_flights = self.pd_flights()
ed_flights = self.ed_flights()
num_bins = 10
# pandas data
pd_filteredhist = np.histogram(
pd_flights[pd_flights.FlightDelay == True].FlightDelayMin, num_bins
)
pd_bins = pd.DataFrame({"FlightDelayMin": pd_filteredhist[1]})
pd_weights = pd.DataFrame({"FlightDelayMin": pd_filteredhist[0]})
d = ed_flights[ed_flights.FlightDelay == True].FlightDelayMin
print(d.es_info())
ed_bins, ed_weights = ed_flights[
ed_flights.FlightDelay == True
].FlightDelayMin._hist(num_bins=num_bins)
# Numbers are slightly different
assert_frame_equal(pd_bins, ed_bins, check_exact=False)
assert_frame_equal(pd_weights, ed_weights, check_exact=False)
def test_invalid_hist(self):
with pytest.raises(ValueError):
assert self.ed_ecommerce()["products.tax_amount"].hist()