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# to you under the Apache License, Version 2.0 (the
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#
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"""Unit tests for Superset"""

import datetime
import doctest
import html
import logging
import random
import unittest
from unittest import mock
from urllib.parse import parse_qs, quote, urlsplit

import pandas as pd
import pytest
import pytz
import sqlalchemy as sqla
from flask_babel import lazy_gettext as _
from sqlalchemy.exc import SQLAlchemyError

import superset.utils.database
import superset.views.utils
from superset import dataframe, db, security_manager, sql_lab
from superset.commands.chart.data.get_data_command import ChartDataCommand
from superset.commands.chart.exceptions import ChartDataQueryFailedError
from superset.common.db_query_status import QueryStatus
from superset.connectors.sqla.models import SqlaTable
from superset.db_engine_specs.base import BaseEngineSpec
from superset.db_engine_specs.mssql import MssqlEngineSpec
from superset.exceptions import OAuth2RedirectError, SupersetException
from superset.extensions import cache_manager
from superset.models import core as models
from superset.models.dashboard import Dashboard
from superset.models.slice import Slice
from superset.models.sql_lab import Query
from superset.result_set import SupersetResultSet
from superset.sql.parse import Table
from superset.utils import core as utils, json
from superset.utils.core import backend
from superset.utils.database import get_example_database
from tests.integration_tests.constants import ADMIN_USERNAME, GAMMA_USERNAME
from tests.integration_tests.fixtures.birth_names_dashboard import (
    load_birth_names_dashboard_with_slices,  # noqa: F401
    load_birth_names_data,  # noqa: F401
)
from tests.integration_tests.fixtures.energy_dashboard import (
    load_energy_table_data,  # noqa: F401
    load_energy_table_with_slice,  # noqa: F401
)
from tests.integration_tests.fixtures.world_bank_dashboard import (
    load_world_bank_dashboard_with_slices,  # noqa: F401
    load_world_bank_data,  # noqa: F401
)
from tests.integration_tests.test_app import app

from .base_tests import SupersetTestCase

logger = logging.getLogger(__name__)


@pytest.fixture(scope="module")
def cleanup():
    db.session.query(Query).delete()
    db.session.query(models.Log).delete()
    db.session.commit()
    return


class TestCore(SupersetTestCase):
    def setUp(self):
        self.table_ids = {
            tbl.table_name: tbl.id for tbl in (db.session.query(SqlaTable).all())
        }

    def tearDown(self):
        db.session.query(Query).delete()
        super().tearDown()

    def insert_dashboard_created_by(self, username: str) -> Dashboard:
        user = self.get_user(username)
        dashboard = self.insert_dashboard(
            f"create_title_test",  # noqa: F541
            f"create_slug_test",  # noqa: F541
            [user.id],
            created_by=user,
        )
        return dashboard

    @pytest.fixture
    def insert_dashboard_created_by_gamma(self):
        dashboard = self.insert_dashboard_created_by("gamma")
        yield dashboard
        db.session.delete(dashboard)
        db.session.commit()

    def test_dashboard_endpoint(self):
        self.login(ADMIN_USERNAME)
        resp = self.client.get("/superset/dashboard/-1/")
        assert resp.status_code == 404

    @pytest.mark.usefixtures("load_birth_names_dashboard_with_slices")
    def test_slice_endpoint(self):
        self.login(ADMIN_USERNAME)
        resp = self.client.get("/superset/slice/-1/")
        assert resp.status_code == 404

    @pytest.mark.usefixtures("load_world_bank_dashboard_with_slices")
    def test_viz_cache_key(self):
        self.login(ADMIN_USERNAME)
        slc = self.get_slice("Life Expectancy VS Rural %")

        viz = slc.viz
        qobj = viz.query_obj()
        cache_key = viz.cache_key(qobj)

        qobj["groupby"] = []
        cache_key_with_groupby = viz.cache_key(qobj)
        assert cache_key != cache_key_with_groupby

        assert viz.cache_key(qobj) != viz.cache_key(qobj, time_compare="12 weeks")

        assert viz.cache_key(qobj, time_compare="28 days") != viz.cache_key(
            qobj, time_compare="12 weeks"
        )

        qobj["inner_from_dttm"] = datetime.datetime(1901, 1, 1)

        assert cache_key_with_groupby == viz.cache_key(qobj)

    def test_admin_only_menu_views(self):
        def assert_admin_view_menus_in(role_name, assert_func):
            role = security_manager.find_role(role_name)
            view_menus = [p.view_menu.name for p in role.permissions]
            assert_func("ResetPasswordView", view_menus)
            assert_func("RoleRestAPI", view_menus)
            assert_func("Security", view_menus)
            assert_func("SQL Lab", view_menus)

        assert_admin_view_menus_in("Admin", self.assertIn)
        assert_admin_view_menus_in("Alpha", self.assertNotIn)
        assert_admin_view_menus_in("Gamma", self.assertNotIn)

    @pytest.mark.usefixtures("load_energy_table_with_slice")
    def test_save_slice(self):
        self.login(ADMIN_USERNAME)
        slice_name = f"Energy Sankey"  # noqa: F541
        slice_id = self.get_slice(slice_name).id
        copy_name_prefix = "Test Sankey"
        copy_name = f"{copy_name_prefix}[save]{random.random()}"  # noqa: S311
        tbl_id = self.table_ids.get("energy_usage")
        new_slice_name = f"{copy_name_prefix}[overwrite]{random.random()}"  # noqa: S311

        url = (
            "/superset/explore/table/{}/?slice_name={}&"
            "action={}&datasource_name=energy_usage"
        )

        form_data = {
            "adhoc_filters": [],
            "viz_type": "sankey",
            "groupby": ["target"],
            "metric": "sum__value",
            "row_limit": 5000,
            "slice_id": slice_id,
        }
        # Changing name and save as a new slice
        resp = self.client.post(
            url.format(tbl_id, copy_name, "saveas"),
            data={"form_data": json.dumps(form_data)},
        )
        new_slice_id = resp.json["form_data"]["slice_id"]
        slc = db.session.query(Slice).filter_by(id=new_slice_id).one()

        assert slc.slice_name == copy_name
        form_data["datasource"] = f"{tbl_id}__table"
        form_data["slice_id"] = new_slice_id

        assert slc.form_data == form_data
        form_data.pop("slice_id")  # We don't save the slice id when saving as

        form_data = {
            "adhoc_filters": [],
            "datasource": f"{tbl_id}__table",
            "viz_type": "sankey",
            "groupby": ["source"],
            "metric": "sum__value",
            "row_limit": 5000,
            "slice_id": new_slice_id,
            "time_range": "now",
        }
        # Setting the name back to its original name by overwriting new slice
        self.client.post(
            url.format(tbl_id, new_slice_name, "overwrite"),
            data={"form_data": json.dumps(form_data)},
        )
        slc = db.session.query(Slice).filter_by(id=new_slice_id).one()
        assert slc.slice_name == new_slice_name
        assert slc.form_data == form_data

        # Cleanup
        slices = (
            db.session.query(Slice)
            .filter(Slice.slice_name.like(copy_name_prefix + "%"))
            .all()
        )
        for slc in slices:
            db.session.delete(slc)
        db.session.commit()

    @pytest.mark.usefixtures("load_birth_names_dashboard_with_slices")
    def test_slice_data(self):
        # slice data should have some required attributes
        self.login(ADMIN_USERNAME)
        slc = self.get_slice(slice_name="Top 10 Girl Name Share")
        slc_data_attributes = slc.data.keys()
        assert "changed_on" in slc_data_attributes
        assert "modified" in slc_data_attributes
        assert "owners" in slc_data_attributes

    @pytest.mark.usefixtures("load_energy_table_with_slice")
    def test_slices(self):
        # Testing by hitting the two supported end points for all slices
        self.login(ADMIN_USERNAME)
        Slc = Slice  # noqa: N806
        urls = []
        for slc in db.session.query(Slc).all():
            urls += [
                (slc.slice_name, "explore", slc.slice_url),
            ]
        for name, method, url in urls:
            logger.info("[%s]/[%s]: %s", name, method, url)
            print(f"[{name}]/[{method}]: {url}")
            resp = self.client.get(url)
            assert resp.status_code == 200

    def test_add_slice(self):
        self.login(ADMIN_USERNAME)
        # assert that /chart/add responds with 200
        url = "/chart/add"
        resp = self.client.get(url)
        assert resp.status_code == 200

    @pytest.mark.usefixtures("load_energy_table_with_slice")
    def test_slices_V2(self):  # noqa: N802
        # Add explore-v2-beta role to admin user
        # Test all slice urls as user with explore-v2-beta role
        security_manager.add_role("explore-v2-beta")

        security_manager.add_user(
            "explore_beta",
            "explore_beta",
            " user",
            "explore_beta@airbnb.com",
            security_manager.find_role("explore-v2-beta"),
            password="general",  # noqa: S106
        )
        self.login(username="explore_beta", password="general")  # noqa: S106

        Slc = Slice  # noqa: N806
        urls = []
        for slc in db.session.query(Slc).all():
            urls += [(slc.slice_name, "slice_url", slc.slice_url)]
        for name, method, url in urls:
            print(f"[{name}]/[{method}]: {url}")
            self.client.get(url)

    def test_doctests(self):
        modules = [utils, models, sql_lab]
        for mod in modules:
            failed, tests = doctest.testmod(mod)
            if failed:
                raise Exception("Failed a doctest")

    def test_misc(self):
        assert self.get_resp("/health") == "OK"
        assert self.get_resp("/healthcheck") == "OK"
        assert self.get_resp("/ping") == "OK"

    def test_custom_password_store(self):
        database = superset.utils.database.get_example_database()
        conn_pre = sqla.engine.url.make_url(database.sqlalchemy_uri_decrypted)

        def custom_password_store(uri):
            return "password_store_test"

        with mock.patch.dict(
            app.config, {"SQLALCHEMY_CUSTOM_PASSWORD_STORE": custom_password_store}
        ):
            conn = sqla.engine.url.make_url(database.sqlalchemy_uri_decrypted)
            if conn_pre.password:
                assert conn.password == "password_store_test"  # noqa: S105
                assert conn.password != conn_pre.password

    @pytest.mark.usefixtures("load_birth_names_dashboard_with_slices")
    def test_warm_up_cache_error(self) -> None:
        self.login(ADMIN_USERNAME)
        slc = self.get_slice("Pivot Table v2")

        with mock.patch.object(
            ChartDataCommand,
            "run",
            side_effect=ChartDataQueryFailedError(
                _(
                    "Error: %(error)s",
                    error=_("Empty query?"),
                )
            ),
        ):
            assert self.get_json_resp(f"/superset/warm_up_cache?slice_id={slc.id}") == [
                {
                    "slice_id": slc.id,
                    "viz_error": "Error: Empty query?",
                    "viz_status": None,
                }
            ]

    def test_gamma(self):
        self.login(GAMMA_USERNAME)
        assert "Charts" in self.get_resp("/chart/list/")
        assert "Dashboards" in self.get_resp("/dashboard/list/")

    def test_templated_sql_json(self):
        if superset.utils.database.get_example_database().backend == "presto":
            # TODO: make it work for presto
            return
        self.login(ADMIN_USERNAME)
        sql = "SELECT '{{ 1+1 }}' as test"
        data = self.run_sql(sql, "fdaklj3ws")
        assert data["data"][0]["test"] == "2"

    def test_fetch_datasource_metadata(self):
        self.login(ADMIN_USERNAME)
        url = "/superset/fetch_datasource_metadata?datasourceKey=1__table"
        resp = self.get_json_resp(url)
        keys = [
            "name",
            "type",
            "order_by_choices",
            "granularity_sqla",
            "time_grain_sqla",
            "id",
        ]
        for k in keys:
            assert k in resp.keys()

    @pytest.mark.usefixtures("load_birth_names_dashboard_with_slices")
    def test_slice_id_is_always_logged_correctly_on_web_request(self):
        # explore case
        self.login(ADMIN_USERNAME)
        slc = db.session.query(Slice).filter_by(slice_name="Girls").one()
        qry = db.session.query(models.Log).filter_by(slice_id=slc.id)
        self.get_resp(slc.slice_url)
        assert 1 == qry.count()

    def create_sample_csvfile(self, filename: str, content: list[str]) -> None:
        with open(filename, "w+") as test_file:
            for l in content:  # noqa: E741
                test_file.write(f"{l}\n")

    def create_sample_excelfile(self, filename: str, content: dict[str, str]) -> None:
        pd.DataFrame(content).to_excel(filename)

    def enable_csv_upload(self, database: models.Database) -> None:
        """Enables csv upload in the given database."""
        database.allow_file_upload = True
        db.session.commit()
        add_datasource_page = self.get_resp("/databaseview/list/")
        assert "Upload a CSV" in add_datasource_page

    def test_dataframe_timezone(self):
        tz = pytz.FixedOffset(60)
        data = [
            (datetime.datetime(2017, 11, 18, 21, 53, 0, 219225, tzinfo=tz),),
            (datetime.datetime(2017, 11, 18, 22, 6, 30, tzinfo=tz),),
        ]
        results = SupersetResultSet(list(data), [["data"]], BaseEngineSpec)
        df = results.to_pandas_df()
        data = dataframe.df_to_records(df)
        json_str = json.dumps(data, default=json.pessimistic_json_iso_dttm_ser)
        self.assertDictEqual(  # noqa: PT009
            data[0], {"data": pd.Timestamp("2017-11-18 21:53:00.219225+0100", tz=tz)}
        )
        self.assertDictEqual(  # noqa: PT009
            data[1], {"data": pd.Timestamp("2017-11-18 22:06:30+0100", tz=tz)}
        )
        assert (
            json_str
            == '[{"data": "2017-11-18T21:53:00.219225+01:00"}, {"data": "2017-11-18T22:06:30+01:00"}]'  # noqa: E501
        )

    def test_mssql_engine_spec_pymssql(self):
        # Test for case when tuple is returned (pymssql)
        data = [
            (1, 1, datetime.datetime(2017, 10, 19, 23, 39, 16, 660000)),
            (2, 2, datetime.datetime(2018, 10, 19, 23, 39, 16, 660000)),
        ]
        results = SupersetResultSet(
            list(data), [["col1"], ["col2"], ["col3"]], MssqlEngineSpec
        )
        df = results.to_pandas_df()
        data = dataframe.df_to_records(df)
        assert len(data) == 2
        assert data[0] == {
            "col1": 1,
            "col2": 1,
            "col3": pd.Timestamp("2017-10-19 23:39:16.660000"),
        }

    def test_comments_in_sqlatable_query(self):
        clean_query = "SELECT\n  '/* val 1 */' AS c1,\n  '-- val 2' AS c2\nFROM tbl"
        commented_query = "/* comment 1 */" + clean_query + "-- comment 2"
        table = SqlaTable(
            table_name="test_comments_in_sqlatable_query_table",
            sql=commented_query,
            database=get_example_database(),
        )
        rendered_query = str(table.get_from_clause()[0])
        assert "comment 1" in rendered_query
        assert "comment 2" in rendered_query
        assert "FROM tbl" in rendered_query

    def test_slice_payload_no_datasource(self):
        form_data = {
            "viz_type": "dist_bar",
        }
        self.login(ADMIN_USERNAME)
        rv = self.client.post(
            "/superset/explore_json/",
            data={"form_data": json.dumps(form_data)},
        )
        data = json.loads(rv.data.decode("utf-8"))

        assert (
            data["errors"][0]["message"]
            == "The dataset associated with this chart no longer exists"
        )

    def test_explore_json_data_invalid_cache_key(self):
        self.login(ADMIN_USERNAME)
        cache_key = "invalid-cache-key"
        rv = self.client.get(f"/superset/explore_json/data/{cache_key}")
        data = json.loads(rv.data.decode("utf-8"))

        assert rv.status_code == 404
        assert data["error"] == "Cached data not found"

    @pytest.mark.usefixtures("load_world_bank_dashboard_with_slices")
    @mock.patch("superset.viz.BaseViz.get_df")
    def test_explore_json_propagates_oauth2_redirect_error(
        self, mock_get_df: mock.Mock
    ) -> None:
        """
        SupersetErrorException exceptions bubble up properly.
        """
        mock_get_df.side_effect = OAuth2RedirectError(
            url="https://accounts.example.com/o/oauth2/v2/auth?...",
            tab_id="tab-123",
            redirect_uri="https://superset.example.com/oauth2/redirect",
        )

        self.login(ADMIN_USERNAME)
        slc = self.get_slice("Life Expectancy VS Rural %")
        rv = self.client.post(
            f"/superset/explore_json/{slc.datasource_type}/{slc.datasource_id}/",
            data={"form_data": json.dumps(slc.form_data)},
        )
        data = json.loads(rv.data.decode("utf-8"))

        assert "errors" in data, data
        assert data["errors"][0]["error_type"] == "OAUTH2_REDIRECT"
        assert data["errors"][0]["extra"] == {
            "url": "https://accounts.example.com/o/oauth2/v2/auth?...",
            "tab_id": "tab-123",
            "redirect_uri": "https://superset.example.com/oauth2/redirect",
        }

    @pytest.mark.usefixtures("load_world_bank_dashboard_with_slices")
    @mock.patch("superset.viz.BaseViz.get_df")
    def test_explore_json_generic_exception_still_returns_viz_get_df_error(
        self, mock_get_df: mock.Mock
    ) -> None:
        """
        Non-Superset exceptions raised by ``get_df`` are reported as the
        generic ``VIZ_GET_DF_ERROR``.
        """
        mock_get_df.side_effect = RuntimeError("boom")

        self.login(ADMIN_USERNAME)
        slc = self.get_slice("Life Expectancy VS Rural %")
        rv = self.client.post(
            f"/superset/explore_json/{slc.datasource_type}/{slc.datasource_id}/",
            data={"form_data": json.dumps(slc.form_data)},
        )
        data = json.loads(rv.data.decode("utf-8"))

        assert "errors" in data, data
        assert data["errors"][0]["error_type"] == "VIZ_GET_DF_ERROR"
        assert data["errors"][0]["message"] == "boom"

    def test_results_default_deserialization(self):
        use_new_deserialization = False
        data = [("a", 4, 4.0, "2019-08-18T16:39:16.660000")]
        cursor_descr = (
            ("a", "string"),
            ("b", "int"),
            ("c", "float"),
            ("d", "datetime"),
        )
        db_engine_spec = BaseEngineSpec()
        results = SupersetResultSet(data, cursor_descr, db_engine_spec)
        query = {
            "database_id": 1,
            "sql": "SELECT * FROM birth_names LIMIT 100",
            "status": QueryStatus.PENDING,
        }
        (
            serialized_data,
            selected_columns,
            all_columns,
            expanded_columns,
        ) = sql_lab._serialize_and_expand_data(
            results, db_engine_spec, use_new_deserialization
        )
        payload = {
            "query_id": 1,
            "status": QueryStatus.SUCCESS,
            "state": QueryStatus.SUCCESS,
            "data": serialized_data,
            "columns": all_columns,
            "selected_columns": selected_columns,
            "expanded_columns": expanded_columns,
            "query": query,
        }

        serialized_payload = sql_lab._serialize_payload(
            payload, use_new_deserialization
        )
        assert isinstance(serialized_payload, str)

        query_mock = mock.Mock()
        deserialized_payload = superset.views.utils._deserialize_results_payload(
            serialized_payload, query_mock, use_new_deserialization
        )

        self.assertDictEqual(deserialized_payload, payload)  # noqa: PT009
        query_mock.assert_not_called()

    def test_results_msgpack_deserialization(self):
        use_new_deserialization = True
        data = [("a", 4, 4.0, "2019-08-18T16:39:16.660000")]
        cursor_descr = (
            ("a", "string"),
            ("b", "int"),
            ("c", "float"),
            ("d", "datetime"),
        )
        db_engine_spec = BaseEngineSpec()
        results = SupersetResultSet(data, cursor_descr, db_engine_spec)
        query = {
            "database_id": 1,
            "sql": "SELECT * FROM birth_names LIMIT 100",
            "status": QueryStatus.PENDING,
        }
        (
            serialized_data,
            selected_columns,
            all_columns,
            expanded_columns,
        ) = sql_lab._serialize_and_expand_data(
            results, db_engine_spec, use_new_deserialization
        )
        payload = {
            "query_id": 1,
            "status": QueryStatus.SUCCESS,
            "state": QueryStatus.SUCCESS,
            "data": serialized_data,
            "columns": all_columns,
            "selected_columns": selected_columns,
            "expanded_columns": expanded_columns,
            "query": query,
        }

        serialized_payload = sql_lab._serialize_payload(
            payload, use_new_deserialization
        )
        assert isinstance(serialized_payload, bytes)

        with mock.patch.object(
            db_engine_spec, "expand_data", wraps=db_engine_spec.expand_data
        ) as expand_data:
            query_mock = mock.Mock()
            query_mock.database.db_engine_spec.expand_data = expand_data

            deserialized_payload = superset.views.utils._deserialize_results_payload(
                serialized_payload, query_mock, use_new_deserialization
            )
            df = results.to_pandas_df()
            payload["data"] = dataframe.df_to_records(df)

            self.assertDictEqual(deserialized_payload, payload)  # noqa: PT009
            expand_data.assert_called_once()

    @mock.patch.dict(
        "superset.extensions.feature_flag_manager._feature_flags",
        {"FOO": lambda x: 1},
        clear=True,
    )
    @pytest.mark.usefixtures("load_world_bank_dashboard_with_slices")
    def test_feature_flag_serialization(self):
        """
        Functions in feature flags don't break bootstrap data serialization.
        """
        # feature flags are cached
        cache_manager.cache.clear()
        self.login(ADMIN_USERNAME)

        encoded = json.dumps(
            {"FOO": lambda x: 1, "super": "set"},
            default=json.pessimistic_json_iso_dttm_ser,
        )
        html_string = (
            html.escape(encoded, quote=False)
            .replace("'", "'")
            .replace('"', """)
        )
        dash_id = db.session.query(Dashboard.id).first()[0]
        tbl_id = self.table_ids.get("wb_health_population")
        urls = [
            "/superset/welcome",
            f"/superset/dashboard/{dash_id}/",
            f"/explore/?datasource_type=table&datasource_id={tbl_id}",
        ]
        for url in urls:
            data = self.get_resp(url)
            assert html_string in data

    @mock.patch.dict(
        "superset.extensions.feature_flag_manager._feature_flags",
        {"SQLLAB_BACKEND_PERSISTENCE": True},
        clear=True,
    )
    def test_tabstate_with_name(self):
        """
        The tabstateview endpoint GET should be able to take name or title
        for backward compatibility
        """
        self.login(ADMIN_USERNAME)

        # create a tab
        data = {
            "queryEditor": json.dumps(
                {
                    "name": "Untitled Query foo",
                    "dbId": 1,
                    "schema": None,
                    "autorun": False,
                    "sql": "SELECT ...",
                    "queryLimit": 1000,
                }
            )
        }
        resp = self.get_json_resp("/tabstateview/", data=data)
        tab_state_id = resp["id"]
        payload = self.get_json_resp(f"/tabstateview/{tab_state_id}")

        assert payload["label"] == "Untitled Query foo"

    def test_tabstate_update(self):
        self.login(ADMIN_USERNAME)
        # create a tab
        data = {
            "queryEditor": json.dumps(
                {
                    "name": "Untitled Query foo",
                    "dbId": 1,
                    "schema": None,
                    "autorun": False,
                    "sql": "SELECT ...",
                    "queryLimit": 1000,
                }
            )
        }
        resp = self.get_json_resp("/tabstateview/", data=data)
        tab_state_id = resp["id"]
        # update tab state with non-existing client_id
        client_id = "asdfasdf"
        data = {"sql": json.dumps("select 1"), "latest_query_id": json.dumps(client_id)}
        response = self.client.put(f"/tabstateview/{tab_state_id}", data=data)
        assert response.status_code == 400
        # generate query
        db.session.add(Query(client_id=client_id, database_id=1))
        db.session.commit()
        # update tab state with a valid client_id
        response = self.client.put(f"/tabstateview/{tab_state_id}", data=data)
        assert response.status_code == 200
        # nulls should be ok too
        data["latest_query_id"] = "null"
        response = self.client.put(f"/tabstateview/{tab_state_id}", data=data)
        assert response.status_code == 200

    def test_virtual_table_explore_visibility(self):
        # test that default visibility it set to True
        database = superset.utils.database.get_example_database()
        assert database.allows_virtual_table_explore is True

        # test that visibility is disabled when extra is set to False
        extra = database.get_extra()
        extra["allows_virtual_table_explore"] = False
        database.extra = json.dumps(extra)
        assert database.allows_virtual_table_explore is False

        # test that visibility is enabled when extra is set to True
        extra = database.get_extra()
        extra["allows_virtual_table_explore"] = True
        database.extra = json.dumps(extra)
        assert database.allows_virtual_table_explore is True

        # test that visibility is not broken with bad values
        extra = database.get_extra()
        extra["allows_virtual_table_explore"] = "trash value"
        database.extra = json.dumps(extra)
        assert database.allows_virtual_table_explore is True

    def test_data_preview_visibility(self):
        # test that default visibility is allowed
        database = utils.get_example_database()
        assert database.disable_data_preview is False

        # test that visibility is disabled when extra is set to true
        extra = database.get_extra()
        extra["disable_data_preview"] = True
        database.extra = json.dumps(extra)
        assert database.disable_data_preview is True

        # test that visibility is enabled when extra is set to false
        extra = database.get_extra()
        extra["disable_data_preview"] = False
        database.extra = json.dumps(extra)
        assert database.disable_data_preview is False

        # test that visibility is not broken with bad values
        extra = database.get_extra()
        extra["disable_data_preview"] = "trash value"
        database.extra = json.dumps(extra)
        assert database.disable_data_preview is False

    def test_disable_drill_to_detail(self):
        # test that disable_drill_to_detail is False by default
        database = utils.get_example_database()
        assert database.disable_drill_to_detail is False

        # test that disable_drill_to_detail can be set to True
        extra = database.get_extra()
        extra["disable_drill_to_detail"] = True
        database.extra = json.dumps(extra)
        assert database.disable_drill_to_detail is True

        # test that disable_drill_to_detail can be set to False
        extra = database.get_extra()
        extra["disable_drill_to_detail"] = False
        database.extra = json.dumps(extra)
        assert database.disable_drill_to_detail is False

        # test that disable_drill_to_detail is not broken with bad values
        extra = database.get_extra()
        extra["disable_drill_to_detail"] = "trash value"
        database.extra = json.dumps(extra)
        assert database.disable_drill_to_detail is False

    def test_explore_database_id(self):
        database = superset.utils.database.get_example_database()
        explore_database = superset.utils.database.get_example_database()

        # test that explore_database_id is the regular database
        # id if none is set in the extra
        assert database.explore_database_id == database.id

        # test that explore_database_id is correct if the extra is set
        extra = database.get_extra()
        extra["explore_database_id"] = explore_database.id
        database.extra = json.dumps(extra)
        assert database.explore_database_id == explore_database.id

    def test_get_column_names_from_metric(self):
        simple_metric = {
            "expressionType": utils.AdhocMetricExpressionType.SIMPLE.value,
            "column": {"column_name": "my_col"},
            "aggregate": "SUM",
            "label": "My Simple Label",
        }
        assert utils.get_column_name_from_metric(simple_metric) == "my_col"

        sql_metric = {
            "expressionType": utils.AdhocMetricExpressionType.SQL.value,
            "sqlExpression": "SUM(my_label)",
            "label": "My SQL Label",
        }
        assert utils.get_column_name_from_metric(sql_metric) is None
        assert utils.get_column_names_from_metrics([simple_metric, sql_metric]) == [
            "my_col"
        ]

    @pytest.mark.skip(
        "TODO This test was wrong - 'Error message' was in the language pack"
    )
    @pytest.mark.usefixtures("load_world_bank_dashboard_with_slices")
    @mock.patch("superset.models.core.DB_CONNECTION_MUTATOR")
    def test_explore_injected_exceptions(self, mock_db_connection_mutator):
        """
        Handle injected exceptions from the db mutator
        """
        # Assert we can handle a custom exception at the mutator level
        exception = SupersetException("Error message")
        mock_db_connection_mutator.side_effect = exception
        slice = db.session.query(Slice).first()
        url = f"/explore/?form_data=%7B%22slice_id%22%3A%20{slice.id}%7D"

        self.login(ADMIN_USERNAME)
        data = self.get_resp(url)
        assert "Error message" in data

        # Assert we can handle a driver exception at the mutator level
        exception = SQLAlchemyError("Error message")
        mock_db_connection_mutator.side_effect = exception
        slice = db.session.query(Slice).first()
        url = f"/explore/?form_data=%7B%22slice_id%22%3A%20{slice.id}%7D"

        self.login(ADMIN_USERNAME)
        data = self.get_resp(url)
        assert "Error message" in data

    @pytest.mark.skip(
        "TODO This test was wrong - 'Error message' was in the language pack"
    )
    @pytest.mark.usefixtures("load_world_bank_dashboard_with_slices")
    @mock.patch("superset.models.core.DB_CONNECTION_MUTATOR")
    def test_dashboard_injected_exceptions(self, mock_db_connection_mutator):
        """
        Handle injected exceptions from the db mutator
        """

        # Assert we can handle a custom exception at the mutator level
        exception = SupersetException("Error message")
        mock_db_connection_mutator.side_effect = exception
        dash = db.session.query(Dashboard).first()
        url = f"/superset/dashboard/{dash.id}/"

        self.login(ADMIN_USERNAME)
        data = self.get_resp(url)
        assert "Error message" in data

        # Assert we can handle a driver exception at the mutator level
        exception = SQLAlchemyError("Error message")
        mock_db_connection_mutator.side_effect = exception
        dash = db.session.query(Dashboard).first()
        url = f"/superset/dashboard/{dash.id}/"

        self.login(ADMIN_USERNAME)
        data = self.get_resp(url)
        assert "Error message" in data

    @pytest.mark.usefixtures("load_energy_table_with_slice")
    @mock.patch("superset.commands.explore.form_data.create.CreateFormDataCommand.run")
    def test_explore_redirect(self, mock_command: mock.Mock):
        self.login(ADMIN_USERNAME)
        random_key = "random_key"
        mock_command.return_value = random_key
        slice_name = f"Energy Sankey"  # noqa: F541
        slice_id = self.get_slice(slice_name).id
        form_data = {"slice_id": slice_id, "viz_type": "line", "datasource": "1__table"}
        rv = self.client.get(
            f"/superset/explore/?form_data={quote(json.dumps(form_data))}"
        )
        assert rv.headers["Location"] == f"/explore/?form_data_key={random_key}"

    @pytest.mark.usefixtures("load_birth_names_dashboard_with_slices")
    def test_has_table(self):
        if backend() in ("sqlite", "mysql"):
            return
        example_db = superset.utils.database.get_example_database()
        assert example_db.has_table(Table("birth_names", "public")) is True

    @mock.patch("superset.views.core.request")
    @mock.patch(
        "superset.commands.dashboard.permalink.get.GetDashboardPermalinkCommand.run"
    )
    def test_dashboard_permalink(self, get_dashboard_permalink_mock, request_mock):
        request_mock.query_string = b"standalone=3"
        get_dashboard_permalink_mock.return_value = {"dashboardId": 1}
        self.login(ADMIN_USERNAME)
        resp = self.client.get("superset/dashboard/p/123/")

        expected_url = "/superset/dashboard/1/?permalink_key=123&standalone=3"

        assert resp.headers["Location"] == expected_url
        assert resp.status_code == 302

    @mock.patch("superset.views.core.request")
    @mock.patch(
        "superset.commands.dashboard.permalink.get.GetDashboardPermalinkCommand.run"
    )
    def test_dashboard_permalink_native_filters_encoded(
        self, get_dashboard_permalink_mock, request_mock
    ):
        # A native_filters value containing reserved characters must be
        # percent-encoded in the redirect target so it cannot inject extra
        # query parameters into the Location header.
        request_mock.query_string = b""
        native_filters_value = "value&injected=evil#frag"
        get_dashboard_permalink_mock.return_value = {
            "dashboardId": 1,
            "state": {"urlParams": [["native_filters", native_filters_value]]},
        }
        self.login(ADMIN_USERNAME)
        resp = self.client.get("superset/dashboard/p/123/")

        location = resp.headers["Location"]
        assert resp.status_code == 302
        # The reserved characters are encoded, so no extra params/anchors leak in.
        assert "native_filters=value%26injected%3Devil%23frag" in location
        assert "injected=evil" not in location
        # Round-trips back to the original value when decoded.
        parsed = parse_qs(urlsplit(location).query)
        assert parsed["native_filters"] == [native_filters_value]


class TestLocalePatch(SupersetTestCase):
    MOCK_LANGUAGES = (
        "flask.current_app.config",
        {
            "LANGUAGES": {
                "es": {"flag": "es", "name": "Español"},
            },
        },
    )

    @mock.patch.dict(*MOCK_LANGUAGES)
    def test_lang_redirect(self):
        self.login(GAMMA_USERNAME)
        referer_url = "http://localhost/explore/"
        resp = self.client.get("/lang/es", headers={"Referer": referer_url})

        assert resp.status_code == 302
        assert resp.headers["Location"] == referer_url
        with self.client.session_transaction() as session:
            assert session["locale"] == "es"

    @mock.patch.dict(*MOCK_LANGUAGES)
    def test_lang_invalid_referer(self):
        self.login(GAMMA_USERNAME)
        referer_url = "http://someotherserver/explore/"
        resp = self.client.get("/lang/es", headers={"Referer": referer_url})

        assert resp.status_code == 302
        assert resp.headers["Location"] == "/"
        with self.client.session_transaction() as session:
            assert session["locale"] == "es"

    @mock.patch.dict(*MOCK_LANGUAGES)
    def test_lang_no_referer(self):
        self.login(GAMMA_USERNAME)
        resp = self.client.get("/lang/es")

        assert resp.status_code == 302
        assert resp.headers["Location"] == "/"
        with self.client.session_transaction() as session:
            assert session["locale"] == "es"

    def test_lang_invalid_locale(self):
        self.login(GAMMA_USERNAME)
        resp = self.client.get("/lang/es")

        assert resp.status_code == 500
        with self.client.session_transaction() as session:
            assert session["locale"] == "en"


if __name__ == "__main__":
    unittest.main()