"""

"""
from django.test import TestCase
from data_pipeline.interfaces.api_client import DataClient


class TestDataClient(TestCase):
    def test_extract_raises_exception_on_instantiation(self):
        with self.assertRaises(TypeError):
            data_client = DataClient()

    def test_extract_raises_exception_without_api_url(self):
        class NewDataClientWithoutFunctionOverride(DataClient):
            def __init__(self) -> None:
                pass

        with self.assertRaises(TypeError):
            data_client = NewDataClientWithoutFunctionOverride()

    def test_inherited_class(self):
        class NewDataClientWith3FunctionOverride(DataClient):
            def __init__(self) -> None:
                pass

            def extract(self):
                pass

            def transform(self):
                pass

            def load(self):
                pass

        data_client = NewDataClientWith3FunctionOverride()