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mirror of https://github.com/fafhrd91/actix-web synced 2024-11-28 18:02:39 +01:00
actix-web/actix-http/src/response.rs

1084 lines
31 KiB
Rust

//! Http response
use std::cell::{Ref, RefMut};
use std::convert::TryFrom;
use std::future::Future;
use std::pin::Pin;
use std::task::{Context, Poll};
use std::{fmt, str};
use bytes::{Bytes, BytesMut};
use futures_core::Stream;
use serde::Serialize;
use crate::body::{Body, BodyStream, MessageBody, ResponseBody};
use crate::cookie::{Cookie, CookieJar};
use crate::error::Error;
use crate::extensions::Extensions;
use crate::header::{Header, IntoHeaderValue};
use crate::http::header::{self, HeaderName, HeaderValue};
use crate::http::{Error as HttpError, HeaderMap, StatusCode};
use crate::message::{BoxedResponseHead, ConnectionType, ResponseHead};
/// An HTTP Response
pub struct Response<B = Body> {
head: BoxedResponseHead,
body: ResponseBody<B>,
error: Option<Error>,
}
impl Response<Body> {
/// Create http response builder with specific status.
#[inline]
pub fn build(status: StatusCode) -> ResponseBuilder {
ResponseBuilder::new(status)
}
/// Create http response builder
#[inline]
pub fn build_from<T: Into<ResponseBuilder>>(source: T) -> ResponseBuilder {
source.into()
}
/// Constructs a response
#[inline]
pub fn new(status: StatusCode) -> Response {
Response {
head: BoxedResponseHead::new(status),
body: ResponseBody::Body(Body::Empty),
error: None,
}
}
/// Constructs an error response
#[inline]
pub fn from_error(error: Error) -> Response {
let mut resp = error.as_response_error().error_response();
if resp.head.status == StatusCode::INTERNAL_SERVER_ERROR {
error!("Internal Server Error: {:?}", error);
}
resp.error = Some(error);
resp
}
/// Convert response to response with body
pub fn into_body<B>(self) -> Response<B> {
let b = match self.body {
ResponseBody::Body(b) => b,
ResponseBody::Other(b) => b,
};
Response {
head: self.head,
error: self.error,
body: ResponseBody::Other(b),
}
}
}
impl<B> Response<B> {
/// Constructs a response with body
#[inline]
pub fn with_body(status: StatusCode, body: B) -> Response<B> {
Response {
head: BoxedResponseHead::new(status),
body: ResponseBody::Body(body),
error: None,
}
}
#[inline]
/// Http message part of the response
pub fn head(&self) -> &ResponseHead {
&*self.head
}
#[inline]
/// Mutable reference to a http message part of the response
pub fn head_mut(&mut self) -> &mut ResponseHead {
&mut *self.head
}
/// The source `error` for this response
#[inline]
pub fn error(&self) -> Option<&Error> {
self.error.as_ref()
}
/// Get the response status code
#[inline]
pub fn status(&self) -> StatusCode {
self.head.status
}
/// Set the `StatusCode` for this response
#[inline]
pub fn status_mut(&mut self) -> &mut StatusCode {
&mut self.head.status
}
/// Get the headers from the response
#[inline]
pub fn headers(&self) -> &HeaderMap {
&self.head.headers
}
/// Get a mutable reference to the headers
#[inline]
pub fn headers_mut(&mut self) -> &mut HeaderMap {
&mut self.head.headers
}
/// Get an iterator for the cookies set by this response
#[inline]
pub fn cookies(&self) -> CookieIter<'_> {
CookieIter {
iter: self.head.headers.get_all(header::SET_COOKIE),
}
}
/// Add a cookie to this response
#[inline]
pub fn add_cookie(&mut self, cookie: &Cookie<'_>) -> Result<(), HttpError> {
let h = &mut self.head.headers;
HeaderValue::from_str(&cookie.to_string())
.map(|c| {
h.append(header::SET_COOKIE, c);
})
.map_err(|e| e.into())
}
/// Remove all cookies with the given name from this response. Returns
/// the number of cookies removed.
#[inline]
pub fn del_cookie(&mut self, name: &str) -> usize {
let h = &mut self.head.headers;
let vals: Vec<HeaderValue> = h
.get_all(header::SET_COOKIE)
.map(|v| v.to_owned())
.collect();
h.remove(header::SET_COOKIE);
let mut count: usize = 0;
for v in vals {
if let Ok(s) = v.to_str() {
if let Ok(c) = Cookie::parse_encoded(s) {
if c.name() == name {
count += 1;
continue;
}
}
}
h.append(header::SET_COOKIE, v);
}
count
}
/// Connection upgrade status
#[inline]
pub fn upgrade(&self) -> bool {
self.head.upgrade()
}
/// Keep-alive status for this connection
pub fn keep_alive(&self) -> bool {
self.head.keep_alive()
}
/// Responses extensions
#[inline]
pub fn extensions(&self) -> Ref<'_, Extensions> {
self.head.extensions.borrow()
}
/// Mutable reference to a the response's extensions
#[inline]
pub fn extensions_mut(&mut self) -> RefMut<'_, Extensions> {
self.head.extensions.borrow_mut()
}
/// Get body of this response
#[inline]
pub fn body(&self) -> &ResponseBody<B> {
&self.body
}
/// Set a body
pub fn set_body<B2>(self, body: B2) -> Response<B2> {
Response {
head: self.head,
body: ResponseBody::Body(body),
error: None,
}
}
/// Split response and body
pub fn into_parts(self) -> (Response<()>, ResponseBody<B>) {
(
Response {
head: self.head,
body: ResponseBody::Body(()),
error: self.error,
},
self.body,
)
}
/// Drop request's body
pub fn drop_body(self) -> Response<()> {
Response {
head: self.head,
body: ResponseBody::Body(()),
error: None,
}
}
/// Set a body and return previous body value
pub(crate) fn replace_body<B2>(self, body: B2) -> (Response<B2>, ResponseBody<B>) {
(
Response {
head: self.head,
body: ResponseBody::Body(body),
error: self.error,
},
self.body,
)
}
/// Set a body and return previous body value
pub fn map_body<F, B2>(mut self, f: F) -> Response<B2>
where
F: FnOnce(&mut ResponseHead, ResponseBody<B>) -> ResponseBody<B2>,
{
let body = f(&mut self.head, self.body);
Response {
body,
head: self.head,
error: self.error,
}
}
/// Extract response body
pub fn take_body(&mut self) -> ResponseBody<B> {
self.body.take_body()
}
}
impl<B: MessageBody> fmt::Debug for Response<B> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let res = writeln!(
f,
"\nResponse {:?} {}{}",
self.head.version,
self.head.status,
self.head.reason.unwrap_or(""),
);
let _ = writeln!(f, " headers:");
for (key, val) in self.head.headers.iter() {
let _ = writeln!(f, " {:?}: {:?}", key, val);
}
let _ = writeln!(f, " body: {:?}", self.body.size());
res
}
}
impl Future for Response {
type Output = Result<Response, Error>;
fn poll(mut self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Self::Output> {
Poll::Ready(Ok(Response {
head: self.head.take(),
body: self.body.take_body(),
error: self.error.take(),
}))
}
}
pub struct CookieIter<'a> {
iter: header::GetAll<'a>,
}
impl<'a> Iterator for CookieIter<'a> {
type Item = Cookie<'a>;
#[inline]
fn next(&mut self) -> Option<Cookie<'a>> {
for v in self.iter.by_ref() {
if let Ok(c) = Cookie::parse_encoded(v.to_str().ok()?) {
return Some(c);
}
}
None
}
}
/// An HTTP response builder
///
/// This type can be used to construct an instance of `Response` through a
/// builder-like pattern.
pub struct ResponseBuilder {
head: Option<BoxedResponseHead>,
err: Option<HttpError>,
cookies: Option<CookieJar>,
}
impl ResponseBuilder {
#[inline]
/// Create response builder
pub fn new(status: StatusCode) -> Self {
ResponseBuilder {
head: Some(BoxedResponseHead::new(status)),
err: None,
cookies: None,
}
}
/// Set HTTP status code of this response.
#[inline]
pub fn status(&mut self, status: StatusCode) -> &mut Self {
if let Some(parts) = parts(&mut self.head, &self.err) {
parts.status = status;
}
self
}
/// Set a header.
///
/// ```rust
/// use actix_http::{http, Request, Response, Result};
///
/// fn index(req: Request) -> Result<Response> {
/// Ok(Response::Ok()
/// .set(http::header::IfModifiedSince(
/// "Sun, 07 Nov 1994 08:48:37 GMT".parse()?,
/// ))
/// .finish())
/// }
/// ```
#[doc(hidden)]
pub fn set<H: Header>(&mut self, hdr: H) -> &mut Self {
if let Some(parts) = parts(&mut self.head, &self.err) {
match hdr.try_into() {
Ok(value) => {
parts.headers.append(H::name(), value);
}
Err(e) => self.err = Some(e.into()),
}
}
self
}
/// Append a header to existing headers.
///
/// ```rust
/// use actix_http::{http, Request, Response};
///
/// fn index(req: Request) -> Response {
/// Response::Ok()
/// .header("X-TEST", "value")
/// .header(http::header::CONTENT_TYPE, "application/json")
/// .finish()
/// }
/// ```
pub fn header<K, V>(&mut self, key: K, value: V) -> &mut Self
where
HeaderName: TryFrom<K>,
<HeaderName as TryFrom<K>>::Error: Into<HttpError>,
V: IntoHeaderValue,
{
if let Some(parts) = parts(&mut self.head, &self.err) {
match HeaderName::try_from(key) {
Ok(key) => match value.try_into() {
Ok(value) => {
parts.headers.append(key, value);
}
Err(e) => self.err = Some(e.into()),
},
Err(e) => self.err = Some(e.into()),
};
}
self
}
/// Set a header.
///
/// ```rust
/// use actix_http::{http, Request, Response};
///
/// fn index(req: Request) -> Response {
/// Response::Ok()
/// .set_header("X-TEST", "value")
/// .set_header(http::header::CONTENT_TYPE, "application/json")
/// .finish()
/// }
/// ```
pub fn set_header<K, V>(&mut self, key: K, value: V) -> &mut Self
where
HeaderName: TryFrom<K>,
<HeaderName as TryFrom<K>>::Error: Into<HttpError>,
V: IntoHeaderValue,
{
if let Some(parts) = parts(&mut self.head, &self.err) {
match HeaderName::try_from(key) {
Ok(key) => match value.try_into() {
Ok(value) => {
parts.headers.insert(key, value);
}
Err(e) => self.err = Some(e.into()),
},
Err(e) => self.err = Some(e.into()),
};
}
self
}
/// Set the custom reason for the response.
#[inline]
pub fn reason(&mut self, reason: &'static str) -> &mut Self {
if let Some(parts) = parts(&mut self.head, &self.err) {
parts.reason = Some(reason);
}
self
}
/// Set connection type to KeepAlive
#[inline]
pub fn keep_alive(&mut self) -> &mut Self {
if let Some(parts) = parts(&mut self.head, &self.err) {
parts.set_connection_type(ConnectionType::KeepAlive);
}
self
}
/// Set connection type to Upgrade
#[inline]
pub fn upgrade<V>(&mut self, value: V) -> &mut Self
where
V: IntoHeaderValue,
{
if let Some(parts) = parts(&mut self.head, &self.err) {
parts.set_connection_type(ConnectionType::Upgrade);
}
self.set_header(header::UPGRADE, value)
}
/// Force close connection, even if it is marked as keep-alive
#[inline]
pub fn force_close(&mut self) -> &mut Self {
if let Some(parts) = parts(&mut self.head, &self.err) {
parts.set_connection_type(ConnectionType::Close);
}
self
}
/// Disable chunked transfer encoding for HTTP/1.1 streaming responses.
#[inline]
pub fn no_chunking(&mut self, len: u64) -> &mut Self {
self.header(header::CONTENT_LENGTH, len);
if let Some(parts) = parts(&mut self.head, &self.err) {
parts.no_chunking(true);
}
self
}
/// Set response content type
#[inline]
pub fn content_type<V>(&mut self, value: V) -> &mut Self
where
HeaderValue: TryFrom<V>,
<HeaderValue as TryFrom<V>>::Error: Into<HttpError>,
{
if let Some(parts) = parts(&mut self.head, &self.err) {
match HeaderValue::try_from(value) {
Ok(value) => {
parts.headers.insert(header::CONTENT_TYPE, value);
}
Err(e) => self.err = Some(e.into()),
};
}
self
}
/// Set a cookie
///
/// ```rust
/// use actix_http::{http, Request, Response};
///
/// fn index(req: Request) -> Response {
/// Response::Ok()
/// .cookie(
/// http::Cookie::build("name", "value")
/// .domain("www.rust-lang.org")
/// .path("/")
/// .secure(true)
/// .http_only(true)
/// .finish(),
/// )
/// .finish()
/// }
/// ```
pub fn cookie<'c>(&mut self, cookie: Cookie<'c>) -> &mut Self {
if self.cookies.is_none() {
let mut jar = CookieJar::new();
jar.add(cookie.into_owned());
self.cookies = Some(jar)
} else {
self.cookies.as_mut().unwrap().add(cookie.into_owned());
}
self
}
/// Remove cookie
///
/// ```rust
/// use actix_http::{http, Request, Response, HttpMessage};
///
/// fn index(req: Request) -> Response {
/// let mut builder = Response::Ok();
///
/// if let Some(ref cookie) = req.cookie("name") {
/// builder.del_cookie(cookie);
/// }
///
/// builder.finish()
/// }
/// ```
pub fn del_cookie<'a>(&mut self, cookie: &Cookie<'a>) -> &mut Self {
if self.cookies.is_none() {
self.cookies = Some(CookieJar::new())
}
let jar = self.cookies.as_mut().unwrap();
let cookie = cookie.clone().into_owned();
jar.add_original(cookie.clone());
jar.remove(cookie);
self
}
/// This method calls provided closure with builder reference if value is
/// true.
pub fn if_true<F>(&mut self, value: bool, f: F) -> &mut Self
where
F: FnOnce(&mut ResponseBuilder),
{
if value {
f(self);
}
self
}
/// This method calls provided closure with builder reference if value is
/// Some.
pub fn if_some<T, F>(&mut self, value: Option<T>, f: F) -> &mut Self
where
F: FnOnce(T, &mut ResponseBuilder),
{
if let Some(val) = value {
f(val, self);
}
self
}
/// Responses extensions
#[inline]
pub fn extensions(&self) -> Ref<'_, Extensions> {
let head = self.head.as_ref().expect("cannot reuse response builder");
head.extensions.borrow()
}
/// Mutable reference to a the response's extensions
#[inline]
pub fn extensions_mut(&mut self) -> RefMut<'_, Extensions> {
let head = self.head.as_ref().expect("cannot reuse response builder");
head.extensions.borrow_mut()
}
#[inline]
/// Set a body and generate `Response`.
///
/// `ResponseBuilder` can not be used after this call.
pub fn body<B: Into<Body>>(&mut self, body: B) -> Response {
self.message_body(body.into())
}
/// Set a body and generate `Response`.
///
/// `ResponseBuilder` can not be used after this call.
pub fn message_body<B>(&mut self, body: B) -> Response<B> {
if let Some(e) = self.err.take() {
return Response::from(Error::from(e)).into_body();
}
let mut response = self.head.take().expect("cannot reuse response builder");
if let Some(ref jar) = self.cookies {
for cookie in jar.delta() {
match HeaderValue::from_str(&cookie.to_string()) {
Ok(val) => response.headers.append(header::SET_COOKIE, val),
Err(e) => return Response::from(Error::from(e)).into_body(),
};
}
}
Response {
head: response,
body: ResponseBody::Body(body),
error: None,
}
}
#[inline]
/// Set a streaming body and generate `Response`.
///
/// `ResponseBuilder` can not be used after this call.
pub fn streaming<S, E>(&mut self, stream: S) -> Response
where
S: Stream<Item = Result<Bytes, E>> + Unpin + 'static,
E: Into<Error> + 'static,
{
self.body(Body::from_message(BodyStream::new(stream)))
}
#[inline]
/// Set a json body and generate `Response`
///
/// `ResponseBuilder` can not be used after this call.
pub fn json<T: Serialize>(&mut self, value: T) -> Response {
self.json2(&value)
}
/// Set a json body and generate `Response`
///
/// `ResponseBuilder` can not be used after this call.
pub fn json2<T: Serialize>(&mut self, value: &T) -> Response {
match serde_json::to_string(value) {
Ok(body) => {
let contains = if let Some(parts) = parts(&mut self.head, &self.err) {
parts.headers.contains_key(header::CONTENT_TYPE)
} else {
true
};
if !contains {
self.header(header::CONTENT_TYPE, "application/json");
}
self.body(Body::from(body))
}
Err(e) => Error::from(e).into(),
}
}
#[inline]
/// Set an empty body and generate `Response`
///
/// `ResponseBuilder` can not be used after this call.
pub fn finish(&mut self) -> Response {
self.body(Body::Empty)
}
/// This method construct new `ResponseBuilder`
pub fn take(&mut self) -> ResponseBuilder {
ResponseBuilder {
head: self.head.take(),
err: self.err.take(),
cookies: self.cookies.take(),
}
}
}
#[inline]
fn parts<'a>(
parts: &'a mut Option<BoxedResponseHead>,
err: &Option<HttpError>,
) -> Option<&'a mut ResponseHead> {
if err.is_some() {
return None;
}
parts.as_mut().map(|r| &mut **r)
}
/// Convert `Response` to a `ResponseBuilder`. Body get dropped.
impl<B> From<Response<B>> for ResponseBuilder {
fn from(res: Response<B>) -> ResponseBuilder {
// If this response has cookies, load them into a jar
let mut jar: Option<CookieJar> = None;
for c in res.cookies() {
if let Some(ref mut j) = jar {
j.add_original(c.into_owned());
} else {
let mut j = CookieJar::new();
j.add_original(c.into_owned());
jar = Some(j);
}
}
ResponseBuilder {
head: Some(res.head),
err: None,
cookies: jar,
}
}
}
/// Convert `ResponseHead` to a `ResponseBuilder`
impl<'a> From<&'a ResponseHead> for ResponseBuilder {
fn from(head: &'a ResponseHead) -> ResponseBuilder {
// If this response has cookies, load them into a jar
let mut jar: Option<CookieJar> = None;
let cookies = CookieIter {
iter: head.headers.get_all(header::SET_COOKIE),
};
for c in cookies {
if let Some(ref mut j) = jar {
j.add_original(c.into_owned());
} else {
let mut j = CookieJar::new();
j.add_original(c.into_owned());
jar = Some(j);
}
}
let mut msg = BoxedResponseHead::new(head.status);
msg.version = head.version;
msg.reason = head.reason;
for (k, v) in &head.headers {
msg.headers.append(k.clone(), v.clone());
}
msg.no_chunking(!head.chunked());
ResponseBuilder {
head: Some(msg),
err: None,
cookies: jar,
}
}
}
impl Future for ResponseBuilder {
type Output = Result<Response, Error>;
fn poll(mut self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Self::Output> {
Poll::Ready(Ok(self.finish()))
}
}
impl fmt::Debug for ResponseBuilder {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let head = self.head.as_ref().unwrap();
let res = writeln!(
f,
"\nResponseBuilder {:?} {}{}",
head.version,
head.status,
head.reason.unwrap_or(""),
);
let _ = writeln!(f, " headers:");
for (key, val) in head.headers.iter() {
let _ = writeln!(f, " {:?}: {:?}", key, val);
}
res
}
}
/// Helper converters
impl<I: Into<Response>, E: Into<Error>> From<Result<I, E>> for Response {
fn from(res: Result<I, E>) -> Self {
match res {
Ok(val) => val.into(),
Err(err) => err.into().into(),
}
}
}
impl From<ResponseBuilder> for Response {
fn from(mut builder: ResponseBuilder) -> Self {
builder.finish()
}
}
impl From<&'static str> for Response {
fn from(val: &'static str) -> Self {
Response::Ok()
.content_type("text/plain; charset=utf-8")
.body(val)
}
}
impl From<&'static [u8]> for Response {
fn from(val: &'static [u8]) -> Self {
Response::Ok()
.content_type("application/octet-stream")
.body(val)
}
}
impl From<String> for Response {
fn from(val: String) -> Self {
Response::Ok()
.content_type("text/plain; charset=utf-8")
.body(val)
}
}
impl<'a> From<&'a String> for Response {
fn from(val: &'a String) -> Self {
Response::Ok()
.content_type("text/plain; charset=utf-8")
.body(val)
}
}
impl From<Bytes> for Response {
fn from(val: Bytes) -> Self {
Response::Ok()
.content_type("application/octet-stream")
.body(val)
}
}
impl From<BytesMut> for Response {
fn from(val: BytesMut) -> Self {
Response::Ok()
.content_type("application/octet-stream")
.body(val)
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::body::Body;
use crate::http::header::{HeaderValue, CONTENT_TYPE, COOKIE, SET_COOKIE};
#[test]
fn test_debug() {
let resp = Response::Ok()
.header(COOKIE, HeaderValue::from_static("cookie1=value1; "))
.header(COOKIE, HeaderValue::from_static("cookie2=value2; "))
.finish();
let dbg = format!("{:?}", resp);
assert!(dbg.contains("Response"));
}
#[test]
fn test_response_cookies() {
use crate::httpmessage::HttpMessage;
let req = crate::test::TestRequest::default()
.header(COOKIE, "cookie1=value1")
.header(COOKIE, "cookie2=value2")
.finish();
let cookies = req.cookies().unwrap();
let resp = Response::Ok()
.cookie(
crate::http::Cookie::build("name", "value")
.domain("www.rust-lang.org")
.path("/test")
.http_only(true)
.max_age(time::Duration::days(1))
.finish(),
)
.del_cookie(&cookies[1])
.finish();
let mut val: Vec<_> = resp
.headers()
.get_all(SET_COOKIE)
.map(|v| v.to_str().unwrap().to_owned())
.collect();
val.sort();
assert!(val[0].starts_with("cookie1=; Max-Age=0;"));
assert_eq!(
val[1],
"name=value; HttpOnly; Path=/test; Domain=www.rust-lang.org; Max-Age=86400"
);
}
#[test]
fn test_update_response_cookies() {
let mut r = Response::Ok()
.cookie(crate::http::Cookie::new("original", "val100"))
.finish();
r.add_cookie(&crate::http::Cookie::new("cookie2", "val200"))
.unwrap();
r.add_cookie(&crate::http::Cookie::new("cookie2", "val250"))
.unwrap();
r.add_cookie(&crate::http::Cookie::new("cookie3", "val300"))
.unwrap();
assert_eq!(r.cookies().count(), 4);
r.del_cookie("cookie2");
let mut iter = r.cookies();
let v = iter.next().unwrap();
assert_eq!((v.name(), v.value()), ("cookie3", "val300"));
let v = iter.next().unwrap();
assert_eq!((v.name(), v.value()), ("original", "val100"));
}
#[test]
fn test_basic_builder() {
let resp = Response::Ok().header("X-TEST", "value").finish();
assert_eq!(resp.status(), StatusCode::OK);
}
#[test]
fn test_upgrade() {
let resp = Response::build(StatusCode::OK)
.upgrade("websocket")
.finish();
assert!(resp.upgrade());
assert_eq!(
resp.headers().get(header::UPGRADE).unwrap(),
HeaderValue::from_static("websocket")
);
}
#[test]
fn test_force_close() {
let resp = Response::build(StatusCode::OK).force_close().finish();
assert!(!resp.keep_alive())
}
#[test]
fn test_content_type() {
let resp = Response::build(StatusCode::OK)
.content_type("text/plain")
.body(Body::Empty);
assert_eq!(resp.headers().get(CONTENT_TYPE).unwrap(), "text/plain")
}
#[test]
fn test_json() {
let resp = Response::build(StatusCode::OK).json(vec!["v1", "v2", "v3"]);
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
assert_eq!(ct, HeaderValue::from_static("application/json"));
assert_eq!(resp.body().get_ref(), b"[\"v1\",\"v2\",\"v3\"]");
}
#[test]
fn test_json_ct() {
let resp = Response::build(StatusCode::OK)
.header(CONTENT_TYPE, "text/json")
.json(vec!["v1", "v2", "v3"]);
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
assert_eq!(ct, HeaderValue::from_static("text/json"));
assert_eq!(resp.body().get_ref(), b"[\"v1\",\"v2\",\"v3\"]");
}
#[test]
fn test_json2() {
let resp = Response::build(StatusCode::OK).json2(&vec!["v1", "v2", "v3"]);
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
assert_eq!(ct, HeaderValue::from_static("application/json"));
assert_eq!(resp.body().get_ref(), b"[\"v1\",\"v2\",\"v3\"]");
}
#[test]
fn test_json2_ct() {
let resp = Response::build(StatusCode::OK)
.header(CONTENT_TYPE, "text/json")
.json2(&vec!["v1", "v2", "v3"]);
let ct = resp.headers().get(CONTENT_TYPE).unwrap();
assert_eq!(ct, HeaderValue::from_static("text/json"));
assert_eq!(resp.body().get_ref(), b"[\"v1\",\"v2\",\"v3\"]");
}
#[test]
fn test_serde_json_in_body() {
use serde_json::json;
let resp =
Response::build(StatusCode::OK).body(json!({"test-key":"test-value"}));
assert_eq!(resp.body().get_ref(), br#"{"test-key":"test-value"}"#);
}
#[test]
fn test_into_response() {
let resp: Response = "test".into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(
resp.headers().get(CONTENT_TYPE).unwrap(),
HeaderValue::from_static("text/plain; charset=utf-8")
);
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().get_ref(), b"test");
let resp: Response = b"test".as_ref().into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(
resp.headers().get(CONTENT_TYPE).unwrap(),
HeaderValue::from_static("application/octet-stream")
);
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().get_ref(), b"test");
let resp: Response = "test".to_owned().into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(
resp.headers().get(CONTENT_TYPE).unwrap(),
HeaderValue::from_static("text/plain; charset=utf-8")
);
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().get_ref(), b"test");
let resp: Response = (&"test".to_owned()).into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(
resp.headers().get(CONTENT_TYPE).unwrap(),
HeaderValue::from_static("text/plain; charset=utf-8")
);
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().get_ref(), b"test");
let b = Bytes::from_static(b"test");
let resp: Response = b.into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(
resp.headers().get(CONTENT_TYPE).unwrap(),
HeaderValue::from_static("application/octet-stream")
);
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().get_ref(), b"test");
let b = Bytes::from_static(b"test");
let resp: Response = b.into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(
resp.headers().get(CONTENT_TYPE).unwrap(),
HeaderValue::from_static("application/octet-stream")
);
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().get_ref(), b"test");
let b = BytesMut::from("test");
let resp: Response = b.into();
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(
resp.headers().get(CONTENT_TYPE).unwrap(),
HeaderValue::from_static("application/octet-stream")
);
assert_eq!(resp.status(), StatusCode::OK);
assert_eq!(resp.body().get_ref(), b"test");
}
#[test]
fn test_into_builder() {
let mut resp: Response = "test".into();
assert_eq!(resp.status(), StatusCode::OK);
resp.add_cookie(&crate::http::Cookie::new("cookie1", "val100"))
.unwrap();
let mut builder: ResponseBuilder = resp.into();
let resp = builder.status(StatusCode::BAD_REQUEST).finish();
assert_eq!(resp.status(), StatusCode::BAD_REQUEST);
let cookie = resp.cookies().next().unwrap();
assert_eq!((cookie.name(), cookie.value()), ("cookie1", "val100"));
}
}