# SPDX-License-Identifier: Apache-2.0
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# this file be licensed under the Apache-2.0 license or a
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# Any modifications Copyright OpenSearch Contributors. See
# GitHub history for details.

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#  the Apache License, Version 2.0 (the "License"); you may
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# 	http://www.apache.org/licenses/LICENSE-2.0
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import pandas as pd

from tests.common import TestData, assert_series_equal


class TestSeriesDescribe(TestData):
    def test_series_describe(self):
        oml_df = self.oml_flights_small()
        pd_df = self.pd_flights_small()

        oml_desc = oml_df.AvgTicketPrice.describe()
        pd_desc = pd_df.AvgTicketPrice.describe()

        assert isinstance(oml_desc, pd.Series)
        assert oml_desc.shape == pd_desc.shape
        assert oml_desc.dtype == pd_desc.dtype
        assert oml_desc.index.equals(pd_desc.index)

        # Percentiles calculations vary for Elasticsearch
        assert_series_equal(
            oml_desc[["count", "mean", "std", "min", "max"]],
            pd_desc[["count", "mean", "std", "min", "max"]],
            rtol=0.2,
        )