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from textwrap import dedent
from unittest import mock

from sqlalchemy import column, literal_column

from superset.constants import USER_AGENT
from superset.db_engine_specs import get_engine_spec
from superset.db_engine_specs.databricks import DatabricksNativeEngineSpec
from tests.integration_tests.db_engine_specs.base_tests import (
    assert_generic_types,
    TestDbEngineSpec,
)
from tests.integration_tests.fixtures.certificates import ssl_certificate
from tests.integration_tests.fixtures.database import default_db_extra


class TestDatabricksDbEngineSpec(TestDbEngineSpec):
    def test_get_engine_spec(self):
        """
        DB Eng Specs (databricks): Test "databricks" in engine spec
        """
        assert get_engine_spec("databricks", "connector").engine == "databricks"
        assert get_engine_spec("databricks", "pyodbc").engine == "databricks"
        assert get_engine_spec("databricks", "pyhive").engine == "databricks"

    def test_extras_without_ssl(self):
        db = mock.Mock()
        db.extra = default_db_extra
        db.server_cert = None
        extras = DatabricksNativeEngineSpec.get_extra_params(db)
        assert "connect_args" not in extras["engine_params"]

    def test_extras_with_user_agent(self):
        db = mock.Mock()
        db.extra = default_db_extra
        extras = DatabricksNativeEngineSpec.get_extra_params(db)
        _, user_agent = extras["http_headers"][0]
        user_agent_entry = extras["_user_agent_entry"]
        assert user_agent == USER_AGENT
        assert user_agent_entry == USER_AGENT

    def test_extras_with_ssl_custom(self):
        db = mock.Mock()
        db.extra = default_db_extra.replace(
            '"engine_params": {}',
            '"engine_params": {"connect_args": {"ssl": "1"}}',
        )
        db.server_cert = ssl_certificate
        extras = DatabricksNativeEngineSpec.get_extra_params(db)
        connect_args = extras["engine_params"]["connect_args"]
        assert connect_args["ssl"] == "1"