import importlib.metadata
import importlib.resources

import tornado.template
import tornado_openapi3.testing
import yaml

import tutor.server

template_path = importlib.resources.path("tutor", "templates")
template_loader = tornado.template.Loader(template_path)
openapi_spec_dict = yaml.safe_load(
    template_loader.load("openapi.yaml").generate(
        version=importlib.metadata.version("tutor")
    )
)
openapi_spec = None


class ServerTestCase(tornado_openapi3.testing.AsyncOpenAPITestCase):
    @property
    def spec_dict(self):
        global openapi_spec_dict
        return openapi_spec_dict

    def get_app(self):
        return tutor.server.Application()


class DocumentationTestCase(ServerTestCase):
    def test_api_root(self):
        self.fetch("/api/")

    def test_openapi_yaml(self):
        self.fetch("/api/openapi.yaml")