# Copyright 2020 Elasticsearch BV
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   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 eland as ed
from eland.tests import ES_TEST_CLIENT
from eland.tests import FLIGHTS_INDEX_NAME
from eland.tests.common import TestData
from eland.tests.common import assert_pandas_eland_series_equal


class TestSeriesHeadTail(TestData):
    def test_head_tail(self):
        pd_s = self.pd_flights()["Carrier"]
        ed_s = ed.Series(ES_TEST_CLIENT, FLIGHTS_INDEX_NAME, "Carrier")

        pd_s_head = pd_s.head(10)
        ed_s_head = ed_s.head(10)

        assert_pandas_eland_series_equal(pd_s_head, ed_s_head)

        pd_s_tail = pd_s.tail(10)
        ed_s_tail = ed_s.tail(10)

        assert_pandas_eland_series_equal(pd_s_tail, ed_s_tail)
