code: def test_validate_parameters_missing():
      properties = {
          "parameters": {
              "host": "",
              "port": None,
              "username": "",
              "password": "",
              "database": "",
              "query": {},
          }
      }
      with app.app_context():
          errors = BasicParametersMixin.validate_parameters(properties)
          assert errors == [
              SupersetError(
                  message=(
                      "One or more parameters are missing: "
                      "database, host, port, username"
                  ),
                  error_type=SupersetErrorType.CONNECTION_MISSING_PARAMETERS_ERROR,
                  level=ErrorLevel.WARNING,
                  extra={
                      "missing": [
                          "database",
                          "host",
                          "port",
                          "username",
                      ]
                  },
              ),
          ]
  
imports: import datetime
  from unittest import mock
  import pytest
  from superset.connectors.sqla.models import TableColumn
  from superset.db_engine_specs import load_engine_specs
  from superset.db_engine_specs.base import BaseEngineSpec, BasicParametersMixin, builtin_time_grains, LimitMethod
  from superset.db_engine_specs.mysql import MySQLEngineSpec
  from superset.db_engine_specs.sqlite import SqliteEngineSpec
  from superset.errors import ErrorLevel, SupersetError, SupersetErrorType
  from superset.sql_parse import ParsedQuery
  from superset.utils.database import get_example_database
  from tests.integration_tests.db_engine_specs.base_tests import TestDbEngineSpec
  from tests.integration_tests.test_app import app
  from ..fixtures.birth_names_dashboard import load_birth_names_dashboard_with_slices, load_birth_names_data
  from ..fixtures.energy_dashboard import load_energy_table_data, load_energy_table_with_slice
  from ..fixtures.pyodbcRow import Row
label_desc: Use image node_id 7 for calling a global function with example usage: test_validate_parameters_missing() without return types