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#
#   http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations

from unittest import mock

import pytest

from airflow.exceptions import AirflowProviderDeprecationWarning
from airflow.providers.common.compat.sdk import timezone
from airflow.providers.neo4j.operators.neo4j import Neo4jOperator

DEFAULT_DATE = timezone.datetime(2015, 1, 1)
DEFAULT_DATE_ISO = DEFAULT_DATE.isoformat()
DEFAULT_DATE_DS = DEFAULT_DATE_ISO[:10]
TEST_DAG_ID = "unit_test_dag"


class TestNeo4jOperator:
    @mock.patch("airflow.providers.neo4j.operators.neo4j.Neo4jHook")
    def test_neo4j_operator_test(self, mock_hook):
        cypher = """
            MATCH (tom {name: "Tom Hanks"}) RETURN tom
            """
        op = Neo4jOperator(task_id="basic_neo4j", cypher=cypher)
        op.execute(mock.MagicMock())
        mock_hook.assert_called_once_with(conn_id="neo4j_default")
        mock_hook.return_value.run.assert_called_once_with(cypher, None)

    @mock.patch("airflow.providers.neo4j.operators.neo4j.Neo4jHook")
    def test_neo4j_operator_test_with_params(self, mock_hook):
        cypher = """
            MATCH (actor {name: $name}) RETURN actor
            """
        parameters = {"name": "Tom Hanks"}
        op = Neo4jOperator(task_id="basic_neo4j", cypher=cypher, parameters=parameters)
        op.execute(mock.MagicMock())
        mock_hook.assert_called_once_with(conn_id="neo4j_default")
        mock_hook.return_value.run.assert_called_once_with(cypher, parameters)

    @mock.patch("airflow.providers.neo4j.operators.neo4j.Neo4jHook")
    def test_neo4j_operator_sql_param_is_deprecated(self, mock_hook):
        cypher = """
            MATCH (tom {name: "Tom Hanks"}) RETURN tom
            """
        with pytest.warns(
            AirflowProviderDeprecationWarning,
            match="`sql` parameter is deprecated, please use `cypher` instead.",
        ):
            op = Neo4jOperator(task_id="basic_neo4j", sql=cypher)
        assert op.cypher == cypher
        op.execute(mock.MagicMock())
        mock_hook.return_value.run.assert_called_once_with(cypher, None)

    def test_neo4j_operator_both_sql_and_cypher_raises(self):
        with pytest.warns(AirflowProviderDeprecationWarning):
            with pytest.raises(ValueError, match="Cannot provide both `sql` and `cypher`"):
                Neo4jOperator(task_id="basic_neo4j", sql="a", cypher="b")

    def test_neo4j_operator_missing_cypher_raises(self):
        with pytest.raises(ValueError, match="Parameter `cypher` is required."):
            Neo4jOperator(task_id="basic_neo4j")
