# Licensed to the Apache Software Foundation (ASF) under one # or more contributor license agreements. See the NOTICE file # distributed with this work for additional information # regarding copyright ownership. The ASF licenses this file # to you 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. from datetime import date, datetime, time, timedelta from decimal import Decimal import unittest from unittest.mock import patch import uuid from flask import Flask from flask_caching import Cache import numpy from sqlalchemy.exc import ArgumentError from superset import app, db, security_manager from superset.exceptions import SupersetException from superset.models.core import Database from superset.utils.core import ( base_json_conv, convert_legacy_filters_into_adhoc, datetime_f, get_or_create_db, get_since_until, get_stacktrace, json_int_dttm_ser, json_iso_dttm_ser, JSONEncodedDict, memoized, merge_extra_filters, merge_request_params, parse_human_timedelta, parse_js_uri_path_item, parse_past_timedelta, setup_cache, validate_json, zlib_compress, zlib_decompress, ) def mock_parse_human_datetime(s): if s == "now": return datetime(2016, 11, 7, 9, 30, 10) elif s == "today": return datetime(2016, 11, 7) elif s == "yesterday": return datetime(2016, 11, 6) elif s == "tomorrow": return datetime(2016, 11, 8) elif s == "Last year": return datetime(2015, 11, 7) elif s == "Last week": return datetime(2015, 10, 31) elif s == "Last 5 months": return datetime(2016, 6, 7) elif s == "Next 5 months": return datetime(2017, 4, 7) elif s in ["5 days", "5 days ago"]: return datetime(2016, 11, 2) elif s == "2018-01-01T00:00:00": return datetime(2018, 1, 1) elif s == "2018-12-31T23:59:59": return datetime(2018, 12, 31, 23, 59, 59) def mock_to_adhoc(filt, expressionType="SIMPLE", clause="where"): result = {"clause": clause.upper(), "expressionType": expressionType} if expressionType == "SIMPLE": result.update( {"comparator": filt["val"], "operator": filt["op"], "subject": filt["col"]} ) elif expressionType == "SQL": result.update({"sqlExpression": filt[clause]}) return result class UtilsTestCase(unittest.TestCase): def test_json_int_dttm_ser(self): dttm = datetime(2020, 1, 1) ts = 1577836800000.0 assert json_int_dttm_ser(dttm) == ts assert json_int_dttm_ser(date(2020, 1, 1)) == ts assert json_int_dttm_ser(datetime(1970, 1, 1)) == 0 assert json_int_dttm_ser(date(1970, 1, 1)) == 0 assert json_int_dttm_ser(dttm + timedelta(milliseconds=1)) == (ts + 1) with self.assertRaises(TypeError): json_int_dttm_ser("this is not a date") def test_json_iso_dttm_ser(self): dttm = datetime(2020, 1, 1) dt = date(2020, 1, 1) t = time() assert json_iso_dttm_ser(dttm) == dttm.isoformat() assert json_iso_dttm_ser(dt) == dt.isoformat() assert json_iso_dttm_ser(t) == t.isoformat() with self.assertRaises(TypeError): json_iso_dttm_ser("this is not a date") def test_base_json_conv(self): assert isinstance(base_json_conv(numpy.bool_(1)), bool) is True assert isinstance(base_json_conv(numpy.int64(1)), int) is True assert isinstance(base_json_conv(set([1])), list) is True assert isinstance(base_json_conv(Decimal("1.0")), float) is True assert isinstance(base_json_conv(uuid.uuid4()), str) is True @patch("superset.utils.core.datetime") def test_parse_human_timedelta(self, mock_datetime): mock_datetime.now.return_value = datetime(2019, 4, 1) mock_datetime.side_effect = lambda *args, **kw: datetime(*args, **kw) self.assertEquals(parse_human_timedelta("now"), timedelta(0)) self.assertEquals(parse_human_timedelta("1 year"), timedelta(366)) self.assertEquals(parse_human_timedelta("-1 year"), timedelta(-365)) @patch("superset.utils.core.datetime") def test_parse_past_timedelta(self, mock_datetime): mock_datetime.now.return_value = datetime(2019, 4, 1) mock_datetime.side_effect = lambda *args, **kw: datetime(*args, **kw) self.assertEquals(parse_past_timedelta("1 year"), timedelta(365)) self.assertEquals(parse_past_timedelta("-1 year"), timedelta(365)) self.assertEquals(parse_past_timedelta("52 weeks"), timedelta(364)) self.assertEquals(parse_past_timedelta("1 month"), timedelta(31)) def test_zlib_compression(self): json_str = '{"test": 1}' blob = zlib_compress(json_str) got_str = zlib_decompress(blob) self.assertEquals(json_str, got_str) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_merge_extra_filters(self): # does nothing if no extra filters form_data = {"A": 1, "B": 2, "c": "test"} expected = {"A": 1, "B": 2, "c": "test"} merge_extra_filters(form_data) self.assertEquals(form_data, expected) # empty extra_filters form_data = {"A": 1, "B": 2, "c": "test", "extra_filters": []} expected = {"A": 1, "B": 2, "c": "test", "adhoc_filters": []} merge_extra_filters(form_data) self.assertEquals(form_data, expected) # copy over extra filters into empty filters form_data = { "extra_filters": [ {"col": "a", "op": "in", "val": "someval"}, {"col": "B", "op": "==", "val": ["c1", "c2"]}, ] } expected = { "adhoc_filters": [ { "clause": "WHERE", "comparator": "someval", "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, ] } merge_extra_filters(form_data) self.assertEquals(form_data, expected) # adds extra filters to existing filters form_data = { "extra_filters": [ {"col": "a", "op": "in", "val": "someval"}, {"col": "B", "op": "==", "val": ["c1", "c2"]}, ], "adhoc_filters": [ { "clause": "WHERE", "comparator": ["G1", "g2"], "expressionType": "SIMPLE", "operator": "!=", "subject": "D", } ], } expected = { "adhoc_filters": [ { "clause": "WHERE", "comparator": ["G1", "g2"], "expressionType": "SIMPLE", "operator": "!=", "subject": "D", }, { "clause": "WHERE", "comparator": "someval", "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, ] } merge_extra_filters(form_data) self.assertEquals(form_data, expected) # adds extra filters to existing filters and sets time options form_data = { "extra_filters": [ {"col": "__time_range", "op": "in", "val": "1 year ago :"}, {"col": "__time_col", "op": "in", "val": "birth_year"}, {"col": "__time_grain", "op": "in", "val": "years"}, {"col": "A", "op": "like", "val": "hello"}, {"col": "__time_origin", "op": "in", "val": "now"}, {"col": "__granularity", "op": "in", "val": "90 seconds"}, ] } expected = { "adhoc_filters": [ { "clause": "WHERE", "comparator": "hello", "expressionType": "SIMPLE", "operator": "like", "subject": "A", } ], "time_range": "1 year ago :", "granularity_sqla": "birth_year", "time_grain_sqla": "years", "granularity": "90 seconds", "druid_time_origin": "now", } merge_extra_filters(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_merge_extra_filters_ignores_empty_filters(self): form_data = { "extra_filters": [ {"col": "a", "op": "in", "val": ""}, {"col": "B", "op": "==", "val": []}, ] } expected = {"adhoc_filters": []} merge_extra_filters(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_merge_extra_filters_ignores_nones(self): form_data = { "adhoc_filters": [ { "clause": "WHERE", "comparator": "", "expressionType": "SIMPLE", "operator": "in", "subject": None, } ], "extra_filters": [{"col": "B", "op": "==", "val": []}], } expected = { "adhoc_filters": [ { "clause": "WHERE", "comparator": "", "expressionType": "SIMPLE", "operator": "in", "subject": None, } ] } merge_extra_filters(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_merge_extra_filters_ignores_equal_filters(self): form_data = { "extra_filters": [ {"col": "a", "op": "in", "val": "someval"}, {"col": "B", "op": "==", "val": ["c1", "c2"]}, {"col": "c", "op": "in", "val": ["c1", 1, None]}, ], "adhoc_filters": [ { "clause": "WHERE", "comparator": "someval", "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, { "clause": "WHERE", "comparator": ["c1", 1, None], "expressionType": "SIMPLE", "operator": "in", "subject": "c", }, ], } expected = { "adhoc_filters": [ { "clause": "WHERE", "comparator": "someval", "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, { "clause": "WHERE", "comparator": ["c1", 1, None], "expressionType": "SIMPLE", "operator": "in", "subject": "c", }, ] } merge_extra_filters(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_merge_extra_filters_merges_different_val_types(self): form_data = { "extra_filters": [ {"col": "a", "op": "in", "val": ["g1", "g2"]}, {"col": "B", "op": "==", "val": ["c1", "c2"]}, ], "adhoc_filters": [ { "clause": "WHERE", "comparator": "someval", "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, ], } expected = { "adhoc_filters": [ { "clause": "WHERE", "comparator": "someval", "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, { "clause": "WHERE", "comparator": ["g1", "g2"], "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, ] } merge_extra_filters(form_data) self.assertEquals(form_data, expected) form_data = { "extra_filters": [ {"col": "a", "op": "in", "val": "someval"}, {"col": "B", "op": "==", "val": ["c1", "c2"]}, ], "adhoc_filters": [ { "clause": "WHERE", "comparator": ["g1", "g2"], "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, ], } expected = { "adhoc_filters": [ { "clause": "WHERE", "comparator": ["g1", "g2"], "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, { "clause": "WHERE", "comparator": "someval", "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, ] } merge_extra_filters(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_merge_extra_filters_adds_unequal_lists(self): form_data = { "extra_filters": [ {"col": "a", "op": "in", "val": ["g1", "g2", "g3"]}, {"col": "B", "op": "==", "val": ["c1", "c2", "c3"]}, ], "adhoc_filters": [ { "clause": "WHERE", "comparator": ["g1", "g2"], "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, ], } expected = { "adhoc_filters": [ { "clause": "WHERE", "comparator": ["g1", "g2"], "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, { "clause": "WHERE", "comparator": ["g1", "g2", "g3"], "expressionType": "SIMPLE", "operator": "in", "subject": "a", }, { "clause": "WHERE", "comparator": ["c1", "c2", "c3"], "expressionType": "SIMPLE", "operator": "==", "subject": "B", }, ] } merge_extra_filters(form_data) self.assertEquals(form_data, expected) def test_merge_request_params(self): form_data = {"since": "2000", "until": "now"} url_params = {"form_data": form_data, "dashboard_ids": "(1,2,3,4,5)"} merge_request_params(form_data, url_params) self.assertIn("url_params", form_data.keys()) self.assertIn("dashboard_ids", form_data["url_params"]) self.assertNotIn("form_data", form_data.keys()) def test_datetime_f(self): self.assertEquals( datetime_f(datetime(1990, 9, 21, 19, 11, 19, 626096)), "1990-09-21T19:11:19.626096", ) self.assertEquals(len(datetime_f(datetime.now())), 28) self.assertEquals(datetime_f(None), "None") iso = datetime.now().isoformat()[:10].split("-") [a, b, c] = [int(v) for v in iso] self.assertEquals(datetime_f(datetime(a, b, c)), "00:00:00") def test_json_encoded_obj(self): obj = {"a": 5, "b": ["a", "g", 5]} val = '{"a": 5, "b": ["a", "g", 5]}' jsonObj = JSONEncodedDict() resp = jsonObj.process_bind_param(obj, "dialect") self.assertIn('"a": 5', resp) self.assertIn('"b": ["a", "g", 5]', resp) self.assertEquals(jsonObj.process_result_value(val, "dialect"), obj) def test_validate_json(self): invalid = '{"a": 5, "b": [1, 5, ["g", "h]]}' with self.assertRaises(SupersetException): validate_json(invalid) def test_memoized_on_functions(self): watcher = {"val": 0} @memoized def test_function(a, b, c): watcher["val"] += 1 return a * b * c result1 = test_function(1, 2, 3) result2 = test_function(1, 2, 3) self.assertEquals(result1, result2) self.assertEquals(watcher["val"], 1) def test_memoized_on_methods(self): class test_class: def __init__(self, num): self.num = num self.watcher = 0 @memoized def test_method(self, a, b, c): self.watcher += 1 return a * b * c * self.num instance = test_class(5) result1 = instance.test_method(1, 2, 3) result2 = instance.test_method(1, 2, 3) self.assertEquals(result1, result2) self.assertEquals(instance.watcher, 1) instance.num = 10 self.assertEquals(result2, instance.test_method(1, 2, 3)) def test_memoized_on_methods_with_watches(self): class test_class: def __init__(self, x, y): self.x = x self.y = y self.watcher = 0 @memoized(watch=("x", "y")) def test_method(self, a, b, c): self.watcher += 1 return a * b * c * self.x * self.y instance = test_class(3, 12) result1 = instance.test_method(1, 2, 3) result2 = instance.test_method(1, 2, 3) self.assertEquals(result1, result2) self.assertEquals(instance.watcher, 1) result3 = instance.test_method(2, 3, 4) self.assertEquals(instance.watcher, 2) result4 = instance.test_method(2, 3, 4) self.assertEquals(instance.watcher, 2) self.assertEquals(result3, result4) self.assertNotEqual(result3, result1) instance.x = 1 result5 = instance.test_method(2, 3, 4) self.assertEqual(instance.watcher, 3) self.assertNotEqual(result5, result4) result6 = instance.test_method(2, 3, 4) self.assertEqual(instance.watcher, 3) self.assertEqual(result6, result5) instance.x = 10 instance.y = 10 result7 = instance.test_method(2, 3, 4) self.assertEqual(instance.watcher, 4) self.assertNotEqual(result7, result6) instance.x = 3 instance.y = 12 result8 = instance.test_method(1, 2, 3) self.assertEqual(instance.watcher, 4) self.assertEqual(result1, result8) @patch("superset.utils.core.parse_human_datetime", mock_parse_human_datetime) def test_get_since_until(self): result = get_since_until() expected = None, datetime(2016, 11, 7) self.assertEqual(result, expected) result = get_since_until(" : now") expected = None, datetime(2016, 11, 7, 9, 30, 10) self.assertEqual(result, expected) result = get_since_until("yesterday : tomorrow") expected = datetime(2016, 11, 6), datetime(2016, 11, 8) self.assertEqual(result, expected) result = get_since_until("2018-01-01T00:00:00 : 2018-12-31T23:59:59") expected = datetime(2018, 1, 1), datetime(2018, 12, 31, 23, 59, 59) self.assertEqual(result, expected) result = get_since_until("Last year") expected = datetime(2015, 11, 7), datetime(2016, 11, 7) self.assertEqual(result, expected) result = get_since_until("Last 5 months") expected = datetime(2016, 6, 7), datetime(2016, 11, 7) self.assertEqual(result, expected) result = get_since_until("Next 5 months") expected = datetime(2016, 11, 7), datetime(2017, 4, 7) self.assertEqual(result, expected) result = get_since_until(since="5 days") expected = datetime(2016, 11, 2), datetime(2016, 11, 7) self.assertEqual(result, expected) result = get_since_until(since="5 days ago", until="tomorrow") expected = datetime(2016, 11, 2), datetime(2016, 11, 8) self.assertEqual(result, expected) result = get_since_until(time_range="yesterday : tomorrow", time_shift="1 day") expected = datetime(2016, 11, 5), datetime(2016, 11, 7) self.assertEqual(result, expected) result = get_since_until(time_range="5 days : now") expected = datetime(2016, 11, 2), datetime(2016, 11, 7, 9, 30, 10) self.assertEqual(result, expected) result = get_since_until("Last week", relative_end="now") expected = datetime(2016, 10, 31), datetime(2016, 11, 7, 9, 30, 10) self.assertEqual(result, expected) result = get_since_until("Last week", relative_start="now") expected = datetime(2016, 10, 31, 9, 30, 10), datetime(2016, 11, 7) self.assertEqual(result, expected) result = get_since_until("Last week", relative_start="now", relative_end="now") expected = datetime(2016, 10, 31, 9, 30, 10), datetime(2016, 11, 7, 9, 30, 10) self.assertEqual(result, expected) with self.assertRaises(ValueError): get_since_until(time_range="tomorrow : yesterday") @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_convert_legacy_filters_into_adhoc_where(self): form_data = {"where": "a = 1"} expected = { "adhoc_filters": [ {"clause": "WHERE", "expressionType": "SQL", "sqlExpression": "a = 1"} ] } convert_legacy_filters_into_adhoc(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_convert_legacy_filters_into_adhoc_filters(self): form_data = {"filters": [{"col": "a", "op": "in", "val": "someval"}]} expected = { "adhoc_filters": [ { "clause": "WHERE", "comparator": "someval", "expressionType": "SIMPLE", "operator": "in", "subject": "a", } ] } convert_legacy_filters_into_adhoc(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_convert_legacy_filters_into_adhoc_having(self): form_data = {"having": "COUNT(1) = 1"} expected = { "adhoc_filters": [ { "clause": "HAVING", "expressionType": "SQL", "sqlExpression": "COUNT(1) = 1", } ] } convert_legacy_filters_into_adhoc(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_convert_legacy_filters_into_adhoc_having_filters(self): form_data = {"having_filters": [{"col": "COUNT(1)", "op": "==", "val": 1}]} expected = { "adhoc_filters": [ { "clause": "HAVING", "comparator": 1, "expressionType": "SIMPLE", "operator": "==", "subject": "COUNT(1)", } ] } convert_legacy_filters_into_adhoc(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_convert_legacy_filters_into_adhoc_present_and_empty(self): form_data = {"adhoc_filters": [], "where": "a = 1"} expected = { "adhoc_filters": [ {"clause": "WHERE", "expressionType": "SQL", "sqlExpression": "a = 1"} ] } convert_legacy_filters_into_adhoc(form_data) self.assertEquals(form_data, expected) @patch("superset.utils.core.to_adhoc", mock_to_adhoc) def test_convert_legacy_filters_into_adhoc_present_and_nonempty(self): form_data = { "adhoc_filters": [ {"clause": "WHERE", "expressionType": "SQL", "sqlExpression": "a = 1"} ], "filters": [{"col": "a", "op": "in", "val": "someval"}], "having": "COUNT(1) = 1", "having_filters": [{"col": "COUNT(1)", "op": "==", "val": 1}], } expected = { "adhoc_filters": [ {"clause": "WHERE", "expressionType": "SQL", "sqlExpression": "a = 1"} ] } convert_legacy_filters_into_adhoc(form_data) self.assertEquals(form_data, expected) def test_parse_js_uri_path_items_eval_undefined(self): self.assertIsNone(parse_js_uri_path_item("undefined", eval_undefined=True)) self.assertIsNone(parse_js_uri_path_item("null", eval_undefined=True)) self.assertEqual("undefined", parse_js_uri_path_item("undefined")) self.assertEqual("null", parse_js_uri_path_item("null")) def test_parse_js_uri_path_items_unquote(self): self.assertEqual("slashed/name", parse_js_uri_path_item("slashed%2fname")) self.assertEqual( "slashed%2fname", parse_js_uri_path_item("slashed%2fname", unquote=False) ) def test_parse_js_uri_path_items_item_optional(self): self.assertIsNone(parse_js_uri_path_item(None)) self.assertIsNotNone(parse_js_uri_path_item("item")) def test_setup_cache_no_config(self): app = Flask(__name__) cache_config = None self.assertIsNone(setup_cache(app, cache_config)) def test_setup_cache_null_config(self): app = Flask(__name__) cache_config = {"CACHE_TYPE": "null"} self.assertIsNone(setup_cache(app, cache_config)) def test_setup_cache_standard_config(self): app = Flask(__name__) cache_config = { "CACHE_TYPE": "redis", "CACHE_DEFAULT_TIMEOUT": 60, "CACHE_KEY_PREFIX": "superset_results", "CACHE_REDIS_URL": "redis://localhost:6379/0", } assert isinstance(setup_cache(app, cache_config), Cache) is True def test_setup_cache_custom_function(self): app = Flask(__name__) CustomCache = type("CustomCache", (object,), {"__init__": lambda *args: None}) def init_cache(app): return CustomCache(app, {}) assert isinstance(setup_cache(app, init_cache), CustomCache) is True def test_get_stacktrace(self): with app.app_context(): app.config["SHOW_STACKTRACE"] = True try: raise Exception("NONONO!") except Exception: stacktrace = get_stacktrace() self.assertIn("NONONO", stacktrace) app.config["SHOW_STACKTRACE"] = False try: raise Exception("NONONO!") except Exception: stacktrace = get_stacktrace() assert stacktrace is None def test_get_or_create_db(self): get_or_create_db("test_db", "sqlite:///superset.db") database = db.session.query(Database).filter_by(database_name="test_db").one() self.assertIsNotNone(database) self.assertEqual(database.sqlalchemy_uri, "sqlite:///superset.db") self.assertIsNotNone( security_manager.find_permission_view_menu( "datasource_access", database.perm ) ) # Test change URI get_or_create_db("test_db", "sqlite:///changed.db") database = db.session.query(Database).filter_by(database_name="test_db").one() self.assertEqual(database.sqlalchemy_uri, "sqlite:///changed.db") def test_get_or_create_db_invalid_uri(self): with self.assertRaises(ArgumentError): get_or_create_db("test_db", "yoursql:superset.db/()")