import json
from unittest.mock import AsyncMock

import pytest

from src.backend.connectors.db.components import users


class TestUsers:
    _class = users.Users

    @pytest.fixture
    def instance(self):
        mock_client = AsyncMock()
        return self._class(mock_client)

    def test_init(self, instance):
        assert instance.client is not None

    def test_parse_scopes(self, instance):
        mock_scopes = json.dumps(
            {
                "scope1": "level1",
                "scope2": instance._null_placeholder,
                instance._null_placeholder: "level3",
            }
        )
        users = [{"scopes": mock_scopes}]
        result = instance._parse_scopes([*users])
        assert result[0]["scopes"] == {"scope1": "level1"}, (
            "Should remove any item which has "
            "either key or value as null placeholder."
        )