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# File called _pytest for PyCharm compatability
import opensearch_py_ml as oml
from tests import FLIGHTS_INDEX_NAME, OPENSEARCH_TEST_CLIENT
from tests.common import TestData, assert_pandas_opensearch_py_ml_series_equal


class TestSeriesHeadTail(TestData):
    def test_head_tail(self):
        pd_s = self.pd_flights()["Carrier"]
        oml_s = oml.Series(OPENSEARCH_TEST_CLIENT, FLIGHTS_INDEX_NAME, "Carrier")

        pd_s_head = pd_s.head(10)
        oml_s_head = oml_s.head(10)

        assert_pandas_opensearch_py_ml_series_equal(pd_s_head, oml_s_head)

        pd_s_tail = pd_s.tail(10)
        oml_s_tail = oml_s.tail(10)

        assert_pandas_opensearch_py_ml_series_equal(pd_s_tail, oml_s_tail)