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</pre></div><pre class="rust"><code><span class="kw">use </span>std::{cell::RefCell, fmt, future::Future, rc::Rc};
<span class="kw">use </span>actix_http::Extensions;
<span class="kw">use </span>actix_router::{IntoPatterns, Patterns};
<span class="kw">use </span>actix_service::{
apply, apply_fn_factory, boxed, fn_service, IntoServiceFactory, Service, ServiceFactory,
ServiceFactoryExt, Transform,
};
<span class="kw">use </span>futures_core::future::LocalBoxFuture;
<span class="kw">use </span>futures_util::future::join_all;
<span class="kw">use crate</span>::{
body::MessageBody,
data::Data,
dev::{ensure_leading_slash, AppService, ResourceDef},
guard::{<span class="self">self</span>, Guard},
handler::Handler,
http::header,
route::{Route, RouteService},
service::{
BoxedHttpService, BoxedHttpServiceFactory, HttpServiceFactory, ServiceRequest,
ServiceResponse,
},
web, Error, FromRequest, HttpResponse, Responder,
};
<span class="doccomment">/// A collection of [`Route`]s that respond to the same path pattern.
///
/// Resource in turn has at least one route. Route consists of an handlers objects and list of
/// guards (objects that implement `Guard` trait). Resources and routes uses builder-like pattern
/// for configuration. During request handling, resource object iterate through all routes and check
/// guards for specific route, if request matches all guards, route considered matched and route
/// handler get called.
///
/// # Examples
/// ```
/// use actix_web::{web, App, HttpResponse};
///
/// let app = App::new().service(
/// web::resource("/")
/// .get(|| HttpResponse::Ok())
/// .post(|| async { "Hello World!" })
/// );
/// ```
///
/// If no matching route is found, an empty 405 response is returned which includes an
/// [appropriate Allow header][RFC 9110 §15.5.6]. This default behavior can be overridden using
/// [`default_service()`](Self::default_service).
///
/// [RFC 9110 §15.5.6]: https://www.rfc-editor.org/rfc/rfc9110.html#section-15.5.6
</span><span class="kw">pub struct </span>Resource<T = ResourceEndpoint> {
endpoint: T,
rdef: Patterns,
name: <span class="prelude-ty">Option</span><String>,
routes: Vec<Route>,
app_data: <span class="prelude-ty">Option</span><Extensions>,
guards: Vec<Box<<span class="kw">dyn </span>Guard>>,
default: BoxedHttpServiceFactory,
factory_ref: Rc<RefCell<<span class="prelude-ty">Option</span><ResourceFactory>>>,
}
<span class="kw">impl </span>Resource {
<span class="doccomment">/// Constructs new resource that matches a `path` pattern.
</span><span class="kw">pub fn </span>new<T: IntoPatterns>(path: T) -> Resource {
<span class="kw">let </span>fref = Rc::new(RefCell::new(<span class="prelude-val">None</span>));
Resource {
routes: Vec::new(),
rdef: path.patterns(),
name: <span class="prelude-val">None</span>,
endpoint: ResourceEndpoint::new(fref.clone()),
factory_ref: fref,
guards: Vec::new(),
app_data: <span class="prelude-val">None</span>,
default: boxed::factory(fn_service(|req: ServiceRequest| <span class="kw">async </span>{
<span class="kw">use </span><span class="kw">crate</span>::HttpMessage <span class="kw">as _</span>;
<span class="kw">let </span>allowed = req.extensions().get::<guard::RegisteredMethods>().cloned();
<span class="kw">if let </span><span class="prelude-val">Some</span>(methods) = allowed {
<span class="prelude-val">Ok</span>(req.into_response(
HttpResponse::MethodNotAllowed()
.insert_header(header::Allow(methods.<span class="number">0</span>))
.finish(),
))
} <span class="kw">else </span>{
<span class="prelude-val">Ok</span>(req.into_response(HttpResponse::MethodNotAllowed()))
}
})),
}
}
}
<span class="kw">impl</span><T> Resource<T>
<span class="kw">where
</span>T: ServiceFactory<ServiceRequest, Config = (), Error = Error, InitError = ()>,
{
<span class="doccomment">/// Set resource name.
///
/// Name is used for url generation.
</span><span class="kw">pub fn </span>name(<span class="kw-2">mut </span><span class="self">self</span>, name: <span class="kw-2">&</span>str) -> <span class="self">Self </span>{
<span class="self">self</span>.name = <span class="prelude-val">Some</span>(name.to_string());
<span class="self">self
</span>}
<span class="doccomment">/// Add match guard to a resource.
///
/// ```
/// use actix_web::{web, guard, App, HttpResponse};
///
/// async fn index(data: web::Path<(String, String)>) -> &'static str {
/// "Welcome!"
/// }
///
/// let app = App::new()
/// .service(
/// web::resource("/app")
/// .guard(guard::Header("content-type", "text/plain"))
/// .route(web::get().to(index))
/// )
/// .service(
/// web::resource("/app")
/// .guard(guard::Header("content-type", "text/json"))
/// .route(web::get().to(|| HttpResponse::MethodNotAllowed()))
/// );
/// ```
</span><span class="kw">pub fn </span>guard<G: Guard + <span class="lifetime">'static</span>>(<span class="kw-2">mut </span><span class="self">self</span>, guard: G) -> <span class="self">Self </span>{
<span class="self">self</span>.guards.push(Box::new(guard));
<span class="self">self
</span>}
<span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn </span>add_guards(<span class="kw-2">mut </span><span class="self">self</span>, guards: Vec<Box<<span class="kw">dyn </span>Guard>>) -> <span class="self">Self </span>{
<span class="self">self</span>.guards.extend(guards);
<span class="self">self
</span>}
<span class="doccomment">/// Register a new route.
///
/// ```
/// use actix_web::{web, guard, App, HttpResponse};
///
/// let app = App::new().service(
/// web::resource("/").route(
/// web::route()
/// .guard(guard::Any(guard::Get()).or(guard::Put()))
/// .guard(guard::Header("Content-Type", "text/plain"))
/// .to(|| HttpResponse::Ok()))
/// );
/// ```
///
/// Multiple routes could be added to a resource. Resource object uses
/// match guards for route selection.
///
/// ```
/// use actix_web::{web, guard, App};
///
/// let app = App::new().service(
/// web::resource("/container/")
/// .route(web::get().to(get_handler))
/// .route(web::post().to(post_handler))
/// .route(web::delete().to(delete_handler))
/// );
///
/// # async fn get_handler() -> impl actix_web::Responder { actix_web::HttpResponse::Ok() }
/// # async fn post_handler() -> impl actix_web::Responder { actix_web::HttpResponse::Ok() }
/// # async fn delete_handler() -> impl actix_web::Responder { actix_web::HttpResponse::Ok() }
/// ```
</span><span class="kw">pub fn </span>route(<span class="kw-2">mut </span><span class="self">self</span>, route: Route) -> <span class="self">Self </span>{
<span class="self">self</span>.routes.push(route);
<span class="self">self
</span>}
<span class="doccomment">/// Add resource data.
///
/// Data of different types from parent contexts will still be accessible. Any `Data<T>` types
/// set here can be extracted in handlers using the `Data<T>` extractor.
///
/// # Examples
/// ```
/// use std::cell::Cell;
/// use actix_web::{web, App, HttpRequest, HttpResponse, Responder};
///
/// struct MyData {
/// count: std::cell::Cell<usize>,
/// }
///
/// async fn handler(req: HttpRequest, counter: web::Data<MyData>) -> impl Responder {
/// // note this cannot use the Data<T> extractor because it was not added with it
/// let incr = *req.app_data::<usize>().unwrap();
/// assert_eq!(incr, 3);
///
/// // update counter using other value from app data
/// counter.count.set(counter.count.get() + incr);
///
/// HttpResponse::Ok().body(counter.count.get().to_string())
/// }
///
/// let app = App::new().service(
/// web::resource("/")
/// .app_data(3usize)
/// .app_data(web::Data::new(MyData { count: Default::default() }))
/// .route(web::get().to(handler))
/// );
/// ```
</span><span class="attr">#[doc(alias = <span class="string">"manage"</span>)]
</span><span class="kw">pub fn </span>app_data<U: <span class="lifetime">'static</span>>(<span class="kw-2">mut </span><span class="self">self</span>, data: U) -> <span class="self">Self </span>{
<span class="self">self</span>.app_data
.get_or_insert_with(Extensions::new)
.insert(data);
<span class="self">self
</span>}
<span class="doccomment">/// Add resource data after wrapping in `Data<T>`.
///
/// Deprecated in favor of [`app_data`](Self::app_data).
</span><span class="attr">#[deprecated(since = <span class="string">"4.0.0"</span>, note = <span class="string">"Use `.app_data(Data::new(val))` instead."</span>)]
</span><span class="kw">pub fn </span>data<U: <span class="lifetime">'static</span>>(<span class="self">self</span>, data: U) -> <span class="self">Self </span>{
<span class="self">self</span>.app_data(Data::new(data))
}
<span class="doccomment">/// Register a new route and add handler. This route matches all requests.
///
/// ```
/// use actix_web::{App, HttpRequest, HttpResponse, web};
///
/// async fn index(req: HttpRequest) -> HttpResponse {
/// todo!()
/// }
///
/// App::new().service(web::resource("/").to(index));
/// ```
///
/// This is shortcut for:
///
/// ```
/// # use actix_web::*;
/// # async fn index(req: HttpRequest) -> HttpResponse { todo!() }
/// App::new().service(web::resource("/").route(web::route().to(index)));
/// ```
</span><span class="kw">pub fn </span>to<F, Args>(<span class="kw-2">mut </span><span class="self">self</span>, handler: F) -> <span class="self">Self
</span><span class="kw">where
</span>F: Handler<Args>,
Args: FromRequest + <span class="lifetime">'static</span>,
F::Output: Responder + <span class="lifetime">'static</span>,
{
<span class="self">self</span>.routes.push(Route::new().to(handler));
<span class="self">self
</span>}
<span class="doccomment">/// Registers a resource middleware.
///
/// `mw` is a middleware component (type), that can modify the request and response across all
/// routes managed by this `Resource`.
///
/// See [`App::wrap`](crate::App::wrap) for more details.
</span><span class="attr">#[doc(alias = <span class="string">"middleware"</span>)]
#[doc(alias = <span class="string">"use"</span>)] </span><span class="comment">// nodejs terminology
</span><span class="kw">pub fn </span>wrap<M, B>(
<span class="self">self</span>,
mw: M,
) -> Resource<
<span class="kw">impl </span>ServiceFactory<
ServiceRequest,
Config = (),
Response = ServiceResponse<B>,
Error = Error,
InitError = (),
>,
>
<span class="kw">where
</span>M: Transform<
T::Service,
ServiceRequest,
Response = ServiceResponse<B>,
Error = Error,
InitError = (),
> + <span class="lifetime">'static</span>,
B: MessageBody,
{
Resource {
endpoint: apply(mw, <span class="self">self</span>.endpoint),
rdef: <span class="self">self</span>.rdef,
name: <span class="self">self</span>.name,
guards: <span class="self">self</span>.guards,
routes: <span class="self">self</span>.routes,
default: <span class="self">self</span>.default,
app_data: <span class="self">self</span>.app_data,
factory_ref: <span class="self">self</span>.factory_ref,
}
}
<span class="doccomment">/// Registers a resource function middleware.
///
/// `mw` is a closure that runs during inbound and/or outbound processing in the request
/// life-cycle (request -> response), modifying request/response as necessary, across all
/// requests handled by the `Resource`.
///
/// See [`App::wrap_fn`](crate::App::wrap_fn) for examples and more details.
</span><span class="attr">#[doc(alias = <span class="string">"middleware"</span>)]
#[doc(alias = <span class="string">"use"</span>)] </span><span class="comment">// nodejs terminology
</span><span class="kw">pub fn </span>wrap_fn<F, R, B>(
<span class="self">self</span>,
mw: F,
) -> Resource<
<span class="kw">impl </span>ServiceFactory<
ServiceRequest,
Config = (),
Response = ServiceResponse<B>,
Error = Error,
InitError = (),
>,
>
<span class="kw">where
</span>F: Fn(ServiceRequest, <span class="kw-2">&</span>T::Service) -> R + Clone + <span class="lifetime">'static</span>,
R: Future<Output = <span class="prelude-ty">Result</span><ServiceResponse<B>, Error>>,
B: MessageBody,
{
Resource {
endpoint: apply_fn_factory(<span class="self">self</span>.endpoint, mw),
rdef: <span class="self">self</span>.rdef,
name: <span class="self">self</span>.name,
guards: <span class="self">self</span>.guards,
routes: <span class="self">self</span>.routes,
default: <span class="self">self</span>.default,
app_data: <span class="self">self</span>.app_data,
factory_ref: <span class="self">self</span>.factory_ref,
}
}
<span class="doccomment">/// Sets the default service to be used if no matching route is found.
///
/// Unlike [`Scope`]s, a `Resource` does _not_ inherit its parent's default service. You can
/// use a [`Route`] as default service.
///
/// If a custom default service is not registered, an empty `405 Method Not Allowed` response
/// with an appropriate Allow header will be sent instead.
///
/// # Examples
/// ```
/// use actix_web::{App, HttpResponse, web};
///
/// let resource = web::resource("/test")
/// .route(web::get().to(HttpResponse::Ok))
/// .default_service(web::to(|| {
/// HttpResponse::BadRequest()
/// }));
///
/// App::new().service(resource);
/// ```
///
/// [`Scope`]: crate::Scope
</span><span class="kw">pub fn </span>default_service<F, U>(<span class="kw-2">mut </span><span class="self">self</span>, f: F) -> <span class="self">Self
</span><span class="kw">where
</span>F: IntoServiceFactory<U, ServiceRequest>,
U: ServiceFactory<ServiceRequest, Config = (), Response = ServiceResponse, Error = Error>
+ <span class="lifetime">'static</span>,
U::InitError: fmt::Debug,
{
<span class="comment">// create and configure default resource
</span><span class="self">self</span>.default = boxed::factory(
f.into_factory()
.map_init_err(|e| <span class="macro">log::error!</span>(<span class="string">"Can not construct default service: {:?}"</span>, e)),
);
<span class="self">self
</span>}
}
<span class="macro">macro_rules!</span> route_shortcut {
(<span class="macro-nonterminal">$method_fn</span>:ident, <span class="macro-nonterminal">$method_upper</span>:literal) => {
<span class="attr">#[doc = <span class="macro">concat!</span>(<span class="string">" Adds a "</span>, <span class="macro-nonterminal">$method_upper</span>, <span class="string">" route."</span>)]
</span><span class="doccomment">///
/// Use [`route`](Self::route) if you need to add additional guards.
///
/// # Examples
///
/// ```
/// # use actix_web::web;
/// web::resource("/")
</span><span class="attr">#[doc = <span class="macro">concat!</span>(<span class="string">" ."</span>, <span class="macro">stringify!</span>(<span class="macro-nonterminal">$method_fn</span>), <span class="string">"(|| async { \"Hello World!\" })"</span>)]
</span><span class="doccomment">/// # ;
/// ```
</span><span class="kw">pub fn </span><span class="macro-nonterminal">$method_fn</span><F, Args>(<span class="self">self</span>, handler: F) -> <span class="self">Self
</span><span class="kw">where
</span>F: Handler<Args>,
Args: FromRequest + <span class="lifetime">'static</span>,
F::Output: Responder + <span class="lifetime">'static</span>,
{
<span class="self">self</span>.route(web::<span class="macro-nonterminal">$method_fn</span>().to(handler))
}
};
}
<span class="doccomment">/// Concise routes for well-known HTTP methods.
</span><span class="kw">impl</span><T> Resource<T>
<span class="kw">where
</span>T: ServiceFactory<ServiceRequest, Config = (), Error = Error, InitError = ()>,
{
<span class="macro">route_shortcut!</span>(get, <span class="string">"GET"</span>);
<span class="macro">route_shortcut!</span>(post, <span class="string">"POST"</span>);
<span class="macro">route_shortcut!</span>(put, <span class="string">"PUT"</span>);
<span class="macro">route_shortcut!</span>(patch, <span class="string">"PATCH"</span>);
<span class="macro">route_shortcut!</span>(delete, <span class="string">"DELETE"</span>);
<span class="macro">route_shortcut!</span>(head, <span class="string">"HEAD"</span>);
<span class="macro">route_shortcut!</span>(trace, <span class="string">"TRACE"</span>);
}
<span class="kw">impl</span><T, B> HttpServiceFactory <span class="kw">for </span>Resource<T>
<span class="kw">where
</span>T: ServiceFactory<
ServiceRequest,
Config = (),
Response = ServiceResponse<B>,
Error = Error,
InitError = (),
> + <span class="lifetime">'static</span>,
B: MessageBody + <span class="lifetime">'static</span>,
{
<span class="kw">fn </span>register(<span class="kw-2">mut </span><span class="self">self</span>, config: <span class="kw-2">&mut </span>AppService) {
<span class="kw">let </span>guards = <span class="kw">if </span><span class="self">self</span>.guards.is_empty() {
<span class="prelude-val">None
</span>} <span class="kw">else </span>{
<span class="prelude-val">Some</span>(std::mem::take(<span class="kw-2">&mut </span><span class="self">self</span>.guards))
};
<span class="kw">let </span><span class="kw-2">mut </span>rdef = <span class="kw">if </span>config.is_root() || !<span class="self">self</span>.rdef.is_empty() {
ResourceDef::new(ensure_leading_slash(<span class="self">self</span>.rdef.clone()))
} <span class="kw">else </span>{
ResourceDef::new(<span class="self">self</span>.rdef.clone())
};
<span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>name) = <span class="self">self</span>.name {
rdef.set_name(name);
}
<span class="kw-2">*</span><span class="self">self</span>.factory_ref.borrow_mut() = <span class="prelude-val">Some</span>(ResourceFactory {
routes: <span class="self">self</span>.routes,
default: <span class="self">self</span>.default,
});
<span class="kw">let </span>resource_data = <span class="self">self</span>.app_data.map(Rc::new);
<span class="comment">// wraps endpoint service (including middleware) call and injects app data for this scope
</span><span class="kw">let </span>endpoint = apply_fn_factory(<span class="self">self</span>.endpoint, <span class="kw">move </span>|<span class="kw-2">mut </span>req: ServiceRequest, srv| {
<span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>data) = resource_data {
req.add_data_container(Rc::clone(data));
}
<span class="kw">let </span>fut = srv.call(req);
<span class="kw">async </span>{ <span class="prelude-val">Ok</span>(fut.<span class="kw">await</span><span class="question-mark">?</span>.map_into_boxed_body()) }
});
config.register_service(rdef, guards, endpoint, <span class="prelude-val">None</span>)
}
}
<span class="kw">pub struct </span>ResourceFactory {
routes: Vec<Route>,
default: BoxedHttpServiceFactory,
}
<span class="kw">impl </span>ServiceFactory<ServiceRequest> <span class="kw">for </span>ResourceFactory {
<span class="kw">type </span>Response = ServiceResponse;
<span class="kw">type </span>Error = Error;
<span class="kw">type </span>Config = ();
<span class="kw">type </span>Service = ResourceService;
<span class="kw">type </span>InitError = ();
<span class="kw">type </span>Future = LocalBoxFuture<<span class="lifetime">'static</span>, <span class="prelude-ty">Result</span><<span class="self">Self</span>::Service, <span class="self">Self</span>::InitError>>;
<span class="kw">fn </span>new_service(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: ()) -> <span class="self">Self</span>::Future {
<span class="comment">// construct default service factory future.
</span><span class="kw">let </span>default_fut = <span class="self">self</span>.default.new_service(());
<span class="comment">// construct route service factory futures
</span><span class="kw">let </span>factory_fut = join_all(<span class="self">self</span>.routes.iter().map(|route| route.new_service(())));
Box::pin(<span class="kw">async move </span>{
<span class="kw">let </span>default = default_fut.<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">let </span>routes = factory_fut
.<span class="kw">await
</span>.into_iter()
.collect::<<span class="prelude-ty">Result</span><Vec<<span class="kw">_</span>>, <span class="kw">_</span>>>()<span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(ResourceService { routes, default })
})
}
}
<span class="kw">pub struct </span>ResourceService {
routes: Vec<RouteService>,
default: BoxedHttpService,
}
<span class="kw">impl </span>Service<ServiceRequest> <span class="kw">for </span>ResourceService {
<span class="kw">type </span>Response = ServiceResponse;
<span class="kw">type </span>Error = Error;
<span class="kw">type </span>Future = LocalBoxFuture<<span class="lifetime">'static</span>, <span class="prelude-ty">Result</span><<span class="self">Self</span>::Response, <span class="self">Self</span>::Error>>;
<span class="macro">actix_service::always_ready!</span>();
<span class="kw">fn </span>call(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw-2">mut </span>req: ServiceRequest) -> <span class="self">Self</span>::Future {
<span class="kw">for </span>route <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.routes {
<span class="kw">if </span>route.check(<span class="kw-2">&mut </span>req) {
<span class="kw">return </span>route.call(req);
}
}
<span class="self">self</span>.default.call(req)
}
}
<span class="attr">#[doc(hidden)]
</span><span class="kw">pub struct </span>ResourceEndpoint {
factory: Rc<RefCell<<span class="prelude-ty">Option</span><ResourceFactory>>>,
}
<span class="kw">impl </span>ResourceEndpoint {
<span class="kw">fn </span>new(factory: Rc<RefCell<<span class="prelude-ty">Option</span><ResourceFactory>>>) -> <span class="self">Self </span>{
ResourceEndpoint { factory }
}
}
<span class="kw">impl </span>ServiceFactory<ServiceRequest> <span class="kw">for </span>ResourceEndpoint {
<span class="kw">type </span>Response = ServiceResponse;
<span class="kw">type </span>Error = Error;
<span class="kw">type </span>Config = ();
<span class="kw">type </span>Service = ResourceService;
<span class="kw">type </span>InitError = ();
<span class="kw">type </span>Future = LocalBoxFuture<<span class="lifetime">'static</span>, <span class="prelude-ty">Result</span><<span class="self">Self</span>::Service, <span class="self">Self</span>::InitError>>;
<span class="kw">fn </span>new_service(<span class="kw-2">&</span><span class="self">self</span>, <span class="kw">_</span>: ()) -> <span class="self">Self</span>::Future {
<span class="self">self</span>.factory.borrow().as_ref().unwrap().new_service(())
}
}
<span class="attr">#[cfg(test)]
</span><span class="kw">mod </span>tests {
<span class="kw">use </span>std::time::Duration;
<span class="kw">use </span>actix_rt::time::sleep;
<span class="kw">use </span>actix_utils::future::ok;
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<span class="kw">use crate</span>::{
http::{header::HeaderValue, Method, StatusCode},
middleware::DefaultHeaders,
test::{call_service, init_service, TestRequest},
App, HttpMessage,
};
<span class="attr">#[test]
</span><span class="kw">fn </span>can_be_returned_from_fn() {
<span class="kw">fn </span>my_resource_1() -> Resource {
web::resource(<span class="string">"/test1"</span>).route(web::get().to(|| <span class="kw">async </span>{ <span class="string">"hello" </span>}))
}
<span class="kw">fn </span>my_resource_2() -> Resource<
<span class="kw">impl </span>ServiceFactory<
ServiceRequest,
Config = (),
Response = ServiceResponse<<span class="kw">impl </span>MessageBody>,
Error = Error,
InitError = (),
>,
> {
web::resource(<span class="string">"/test2"</span>)
.wrap_fn(|req, srv| {
<span class="kw">let </span>fut = srv.call(req);
<span class="kw">async </span>{ <span class="prelude-val">Ok</span>(fut.<span class="kw">await</span><span class="question-mark">?</span>.map_into_right_body::<()>()) }
})
.route(web::get().to(|| <span class="kw">async </span>{ <span class="string">"hello" </span>}))
}
<span class="kw">fn </span>my_resource_3() -> <span class="kw">impl </span>HttpServiceFactory {
web::resource(<span class="string">"/test3"</span>).route(web::get().to(|| <span class="kw">async </span>{ <span class="string">"hello" </span>}))
}
App::new()
.service(my_resource_1())
.service(my_resource_2())
.service(my_resource_3());
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_middleware() {
<span class="kw">let </span>srv = init_service(
App::new().service(
web::resource(<span class="string">"/test"</span>)
.name(<span class="string">"test"</span>)
.wrap(
DefaultHeaders::new()
.add((header::CONTENT_TYPE, HeaderValue::from_static(<span class="string">"0001"</span>))),
)
.route(web::get().to(HttpResponse::Ok)),
),
)
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
<span class="macro">assert_eq!</span>(
resp.headers().get(header::CONTENT_TYPE).unwrap(),
HeaderValue::from_static(<span class="string">"0001"</span>)
);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_middleware_fn() {
<span class="kw">let </span>srv = init_service(
App::new().service(
web::resource(<span class="string">"/test"</span>)
.wrap_fn(|req, srv| {
<span class="kw">let </span>fut = srv.call(req);
<span class="kw">async </span>{
fut.<span class="kw">await</span>.map(|<span class="kw-2">mut </span>res| {
res.headers_mut()
.insert(header::CONTENT_TYPE, HeaderValue::from_static(<span class="string">"0001"</span>));
res
})
}
})
.route(web::get().to(HttpResponse::Ok)),
),
)
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
<span class="macro">assert_eq!</span>(
resp.headers().get(header::CONTENT_TYPE).unwrap(),
HeaderValue::from_static(<span class="string">"0001"</span>)
);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_to() {
<span class="kw">let </span>srv = init_service(App::new().service(web::resource(<span class="string">"/test"</span>).to(|| <span class="kw">async </span>{
sleep(Duration::from_millis(<span class="number">100</span>)).<span class="kw">await</span>;
<span class="prelude-val">Ok</span>::<<span class="kw">_</span>, Error>(HttpResponse::Ok())
})))
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_pattern() {
<span class="kw">let </span>srv = init_service(App::new().service(
web::resource([<span class="string">"/test"</span>, <span class="string">"/test2"</span>]).to(|| <span class="kw">async </span>{ <span class="prelude-val">Ok</span>::<<span class="kw">_</span>, Error>(HttpResponse::Ok()) }),
))
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test2"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_default_resource() {
<span class="kw">let </span>srv = init_service(
App::new()
.service(
web::resource(<span class="string">"/test"</span>)
.route(web::get().to(HttpResponse::Ok))
.route(web::delete().to(HttpResponse::Ok)),
)
.default_service(|r: ServiceRequest| {
ok(r.into_response(HttpResponse::BadRequest()))
}),
)
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test"</span>)
.method(Method::POST)
.to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::METHOD_NOT_ALLOWED);
<span class="macro">assert_eq!</span>(
resp.headers().get(header::ALLOW).unwrap().as_bytes(),
<span class="string">b"GET, DELETE"
</span>);
<span class="kw">let </span>srv = init_service(
App::new().service(
web::resource(<span class="string">"/test"</span>)
.route(web::get().to(HttpResponse::Ok))
.default_service(|r: ServiceRequest| {
ok(r.into_response(HttpResponse::BadRequest()))
}),
),
)
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test"</span>)
.method(Method::POST)
.to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::BAD_REQUEST);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_resource_guards() {
<span class="kw">let </span>srv = init_service(
App::new()
.service(
web::resource(<span class="string">"/test/{p}"</span>)
.guard(guard::Get())
.to(HttpResponse::Ok),
)
.service(
web::resource(<span class="string">"/test/{p}"</span>)
.guard(guard::Put())
.to(HttpResponse::Created),
)
.service(
web::resource(<span class="string">"/test/{p}"</span>)
.guard(guard::Delete())
.to(HttpResponse::NoContent),
),
)
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test/it"</span>)
.method(Method::GET)
.to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test/it"</span>)
.method(Method::PUT)
.to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::CREATED);
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test/it"</span>)
.method(Method::DELETE)
.to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::NO_CONTENT);
}
<span class="comment">// allow deprecated `{App, Resource}::data`
</span><span class="attr">#[allow(deprecated)]
#[actix_rt::test]
</span><span class="kw">async fn </span>test_data() {
<span class="kw">let </span>srv = init_service(
App::new()
.data(<span class="number">1.0f64</span>)
.data(<span class="number">1usize</span>)
.app_data(web::Data::new(<span class="string">'-'</span>))
.service(
web::resource(<span class="string">"/test"</span>)
.data(<span class="number">10usize</span>)
.app_data(web::Data::new(<span class="string">'*'</span>))
.guard(guard::Get())
.to(
|data1: web::Data<usize>,
data2: web::Data<char>,
data3: web::Data<f64>| {
<span class="macro">assert_eq!</span>(<span class="kw-2">**</span>data1, <span class="number">10</span>);
<span class="macro">assert_eq!</span>(<span class="kw-2">**</span>data2, <span class="string">'*'</span>);
<span class="kw">let </span>error = f64::EPSILON;
<span class="macro">assert!</span>((<span class="kw-2">**</span>data3 - <span class="number">1.0</span>).abs() < error);
HttpResponse::Ok()
},
),
),
)
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::get().uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
}
<span class="comment">// allow deprecated `{App, Resource}::data`
</span><span class="attr">#[allow(deprecated)]
#[actix_rt::test]
</span><span class="kw">async fn </span>test_data_default_service() {
<span class="kw">let </span>srv =
init_service(
App::new().data(<span class="number">1usize</span>).service(
web::resource(<span class="string">"/test"</span>)
.data(<span class="number">10usize</span>)
.default_service(web::to(|data: web::Data<usize>| {
<span class="macro">assert_eq!</span>(<span class="kw-2">**</span>data, <span class="number">10</span>);
HttpResponse::Ok()
})),
),
)
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::get().uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_middleware_app_data() {
<span class="kw">let </span>srv = init_service(
App::new().service(
web::resource(<span class="string">"test"</span>)
.app_data(<span class="number">1usize</span>)
.wrap_fn(|req, srv| {
<span class="macro">assert_eq!</span>(req.app_data::<usize>(), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="number">1usize</span>));
req.extensions_mut().insert(<span class="number">1usize</span>);
srv.call(req)
})
.route(web::get().to(HttpResponse::Ok))
.default_service(|req: ServiceRequest| <span class="kw">async move </span>{
<span class="kw">let </span>(req, <span class="kw">_</span>) = req.into_parts();
<span class="macro">assert_eq!</span>(req.extensions().get::<usize>(), <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="number">1</span>));
<span class="prelude-val">Ok</span>(ServiceResponse::new(
req,
HttpResponse::BadRequest().finish(),
))
}),
),
)
.<span class="kw">await</span>;
<span class="kw">let </span>req = TestRequest::get().uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::OK);
<span class="kw">let </span>req = TestRequest::post().uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(resp.status(), StatusCode::BAD_REQUEST);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_middleware_body_type() {
<span class="kw">let </span>srv = init_service(
App::new().service(
web::resource(<span class="string">"/test"</span>)
.wrap_fn(|req, srv| {
<span class="kw">let </span>fut = srv.call(req);
<span class="kw">async </span>{ <span class="prelude-val">Ok</span>(fut.<span class="kw">await</span><span class="question-mark">?</span>.map_into_right_body::<()>()) }
})
.route(web::get().to(|| <span class="kw">async </span>{ <span class="string">"hello" </span>})),
),
)
.<span class="kw">await</span>;
<span class="comment">// test if `try_into_bytes()` is preserved across scope layer
</span><span class="kw">use </span>actix_http::body::MessageBody <span class="kw">as _</span>;
<span class="kw">let </span>req = TestRequest::with_uri(<span class="string">"/test"</span>).to_request();
<span class="kw">let </span>resp = call_service(<span class="kw-2">&</span>srv, req).<span class="kw">await</span>;
<span class="kw">let </span>body = resp.into_body();
<span class="macro">assert_eq!</span>(body.try_into_bytes().unwrap(), <span class="string">b"hello"</span>.as_ref());
}
}
</code></pre></div></section></main></body></html>