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# File called _pytest for PyCharm compatability

from pandas.testing import assert_series_equal

from tests.common import TestData


class TestDataFrameNUnique(TestData):
    def test_flights_nunique(self):
        # Note pandas.nunique fails for dict columns (e.g. DestLocation)
        columns = [
            "AvgTicketPrice",
            "Cancelled",
            "Carrier",
            "Dest",
            "DestAirportID",
            "DestCityName",
        ]
        pd_flights = self.pd_flights()[columns]
        oml_flights = self.oml_flights()[columns]

        pd_flights.nunique()
        oml_flights.nunique()

        # TODO - OS is approximate counts so these aren't equal...
        # E[left]: [13059, 2, 4, 156, 156, 143]
        # E[right]: [13132, 2, 4, 156, 156, 143]
        # assert_series_equal(pd_nunique, oml_nunique)

    def test_ecommerce_nunique(self):
        columns = ["customer_first_name", "customer_last_name", "day_of_week_i"]
        pd_ecommerce = self.pd_ecommerce()[columns]
        oml_ecommerce = self.oml_ecommerce()[columns]

        pd_nunique = pd_ecommerce.nunique()
        oml_nunique = oml_ecommerce.nunique()

        assert_series_equal(pd_nunique, oml_nunique)