from aiohttp import web
from aiohttp_pydantic import PydanticView


class ArticleView(PydanticView):

    async def get(self, author_id: str, tag: str,  date: int, /):
        return web.json_response({'path': [author_id, tag, date]})


async def test_get_article_without_required_qs_should_return_an_error_message(aiohttp_client, loop):
    app = web.Application()
    app.router.add_view('/article/{author_id}/tag/{tag}/before/{date}', ArticleView)

    client = await aiohttp_client(app)
    resp = await client.get('/article/1234/tag/music/before/1980')
    assert resp.status == 200
    assert resp.content_type == 'application/json'
    assert await resp.json() == {'path': ['1234', 'music', 1980]}