# SPDX-License-Identifier: Apache-2.0
#
# The OpenSearch Contributors require contributions made to
# this file be licensed under the Apache-2.0 license or a
# compatible open source license.
#
# Modifications Copyright OpenSearch Contributors. See
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# 	http://www.apache.org/licenses/LICENSE-2.0
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from opensearchpy import OpenSearch
from pytest import raises

from opensearch_dsl import connections, serializer


def test_default_connection_is_returned_by_default():
    c = connections.Connections()

    con, con2 = object(), object()
    c.add_connection("default", con)

    c.add_connection("not-default", con2)

    assert c.get_connection() is con


def test_get_connection_created_connection_if_needed():
    c = connections.Connections()
    c.configure(default={"hosts": ["opensearch.com"]}, local={"hosts": ["localhost"]})

    default = c.get_connection()
    local = c.get_connection("local")

    assert isinstance(default, OpenSearch)
    assert isinstance(local, OpenSearch)

    assert [{"host": "opensearch.com"}] == default.transport.hosts
    assert [{"host": "localhost"}] == local.transport.hosts


def test_configure_preserves_unchanged_connections():
    c = connections.Connections()

    c.configure(default={"hosts": ["opensearch.com"]}, local={"hosts": ["localhost"]})
    default = c.get_connection()
    local = c.get_connection("local")

    c.configure(
        default={"hosts": ["not-opensearch.com"]}, local={"hosts": ["localhost"]}
    )
    new_default = c.get_connection()
    new_local = c.get_connection("local")

    assert new_local is local
    assert new_default is not default


def test_remove_connection_removes_both_conn_and_conf():
    c = connections.Connections()

    c.configure(default={"hosts": ["opensearch.com"]}, local={"hosts": ["localhost"]})
    c.add_connection("local2", object())

    c.remove_connection("default")
    c.get_connection("local2")
    c.remove_connection("local2")

    with raises(Exception):
        c.get_connection("local2")
        c.get_connection("default")


def test_create_connection_constructs_client():
    c = connections.Connections()
    c.create_connection("testing", hosts=["opensearch.com"])

    con = c.get_connection("testing")
    assert [{"host": "opensearch.com"}] == con.transport.hosts


def test_create_connection_adds_our_serializer():
    c = connections.Connections()
    c.create_connection("testing", hosts=["opensearch.com"])

    assert c.get_connection("testing").transport.serializer is serializer.serializer