def test_a_response_is_created_with_the_right_headers():
response = Response('Some content', 403)
assert response.content == b'Some content'
assert response.status == '403 Forbidden'
assert response.headers == [('Content-Type', 'text/html; charset=utf8'),
('Content-Length', '12')]
def post_article(request: Request):
try:
content = json.loads(request.body)
except ValueError:
content = {}
title = content.get('title', 'undefined')
return Response(f'<html><h1>Article "{title}" created!</h1></html>')
def test_the_response_gives_accurate_status():
expected_answers = (
(200, '200 OK'),
(409, '409 Conflict'),
(404, '404 Not Found'),
)
for (code, description) in expected_answers:
assert Response('Some content', status=code).status == description
@dataclass
class CompiledRoute:
regex: str
view: Callable
options: dict
def call_view(request: Request, route_declarations: list) -> Response:
routes = _compile_routes(route_declarations)
for route in routes:
if matches := re.match(route.regex, request.path):
if 'methods' not in route.options or request.method in route.options[
'methods']:
return route.view(request=request, **matches.groupdict())
return Response('Not found', 404)
def _compile_routes(route_declarations: list):
compiled_routes = []
for declaration in route_declarations:
regex = re.sub(r'{([^}]+)}', r'(?P<\g<1>>[a-zA-Z0-9%_-]+)',
declaration.path)
regex = r'^' + regex + r'$'
compiled_routes.append(
CompiledRoute(regex, declaration.view, declaration.options))
return compiled_routes
def article(request: Request, article_slug: str):
return Response(f'<html><h1>Article, {article_slug}</h1></html>')
def view_home(request: Request) -> Response:
return Response('Homepage')
def view_article(request: Request, slug: str, id: str) -> Response:
return Response('Some response')