android/vendor/reqwest-0.11.20/src/blocking/request.rs - toolchain/cargo-deny - Git at Google

 use std::convert::TryFrom;
 use std::fmt;
 use std::time::Duration;

 use http::{request::Parts, Request as HttpRequest, Version};
 use serde::Serialize;
 #[cfg(feature = "json")]
 use serde_json;
 use serde_urlencoded;

 use super::body::{self, Body};
 #[cfg(feature = "multipart")]
 use super::multipart;
 use super::Client;
 use crate::header::{HeaderMap, HeaderName, HeaderValue, CONTENT_TYPE};
 use crate::{async_impl, Method, Url};

 /// A request which can be executed with `Client::execute()`.
 pub struct Request {
     body: Option<Body>,
     inner: async_impl::Request,
 }

 /// A builder to construct the properties of a `Request`.
 ///
 /// To construct a `RequestBuilder`, refer to the `Client` documentation.
 #[derive(Debug)]
 #[must_use = "RequestBuilder does nothing until you 'send' it"]
 pub struct RequestBuilder {
     client: Client,
     request: crate::Result<Request>,
 }

 impl Request {
     /// Constructs a new request.
     #[inline]
     pub fn new(method: Method, url: Url) -> Self {
         Request {
             body: None,
             inner: async_impl::Request::new(method, url),
         }
     }

     /// Get the method.
     #[inline]
     pub fn method(&self) -> &Method {
         self.inner.method()
     }

     /// Get a mutable reference to the method.
     #[inline]
     pub fn method_mut(&mut self) -> &mut Method {
         self.inner.method_mut()
     }

     /// Get the url.
     #[inline]
     pub fn url(&self) -> &Url {
         self.inner.url()
     }

     /// Get a mutable reference to the url.
     #[inline]
     pub fn url_mut(&mut self) -> &mut Url {
         self.inner.url_mut()
     }

     /// Get the headers.
     #[inline]
     pub fn headers(&self) -> &HeaderMap {
         self.inner.headers()
     }

     /// Get a mutable reference to the headers.
     #[inline]
     pub fn headers_mut(&mut self) -> &mut HeaderMap {
         self.inner.headers_mut()
     }

     /// Get the http version.
     #[inline]
     pub fn version(&self) -> Version {
         self.inner.version()
     }

     /// Get a mutable reference to the http version.
     #[inline]
     pub fn version_mut(&mut self) -> &mut Version {
         self.inner.version_mut()
     }

     /// Get the body.
     #[inline]
     pub fn body(&self) -> Option<&Body> {
         self.body.as_ref()
     }

     /// Get a mutable reference to the body.
     #[inline]
     pub fn body_mut(&mut self) -> &mut Option<Body> {
         &mut self.body
     }

     /// Get the timeout.
     #[inline]
     pub fn timeout(&self) -> Option<&Duration> {
         self.inner.timeout()
     }

     /// Get a mutable reference to the timeout.
     #[inline]
     pub fn timeout_mut(&mut self) -> &mut Option<Duration> {
         self.inner.timeout_mut()
     }

     /// Attempts to clone the `Request`.
     ///
     /// None is returned if a body is which can not be cloned. This can be because the body is a
     /// stream.
     pub fn try_clone(&self) -> Option<Request> {
         let body = if let Some(ref body) = self.body.as_ref() {
             if let Some(body) = body.try_clone() {
                 Some(body)
             } else {
                 return None;
             }
         } else {
             None
         };
         let mut req = Request::new(self.method().clone(), self.url().clone());
         *req.headers_mut() = self.headers().clone();
         *req.version_mut() = self.version().clone();
         req.body = body;
         Some(req)
     }

     pub(crate) fn into_async(self) -> (async_impl::Request, Option<body::Sender>) {
         use crate::header::CONTENT_LENGTH;

         let mut req_async = self.inner;
         let body = self.body.and_then(|body| {
             let (tx, body, len) = body.into_async();
             if let Some(len) = len {
                 req_async.headers_mut().insert(CONTENT_LENGTH, len.into());
             }
             *req_async.body_mut() = Some(body);
             tx
         });
         (req_async, body)
     }
 }

 impl RequestBuilder {
     pub(crate) fn new(client: Client, request: crate::Result<Request>) -> RequestBuilder {
         let mut builder = RequestBuilder { client, request };

         let auth = builder
             .request
             .as_mut()
             .ok()
             .and_then(|req| async_impl::request::extract_authority(req.url_mut()));

         if let Some((username, password)) = auth {
             builder.basic_auth(username, password)
         } else {
             builder
         }
     }

     /// Add a `Header` to this Request.
     ///
     /// ```rust
     /// use reqwest::header::USER_AGENT;
     ///
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let client = reqwest::blocking::Client::new();
     /// let res = client.get("https://www.rust-lang.org")
     ///     .header(USER_AGENT, "foo")
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     pub fn header<K, V>(self, key: K, value: V) -> RequestBuilder
     where
         HeaderName: TryFrom<K>,
         HeaderValue: TryFrom<V>,
         <HeaderName as TryFrom<K>>::Error: Into<http::Error>,
         <HeaderValue as TryFrom<V>>::Error: Into<http::Error>,
     {
         self.header_sensitive(key, value, false)
     }

     /// Add a `Header` to this Request with ability to define if header_value is sensitive.
     fn header_sensitive<K, V>(mut self, key: K, value: V, sensitive: bool) -> RequestBuilder
     where
         HeaderName: TryFrom<K>,
         HeaderValue: TryFrom<V>,
         <HeaderName as TryFrom<K>>::Error: Into<http::Error>,
         <HeaderValue as TryFrom<V>>::Error: Into<http::Error>,
     {
         let mut error = None;
         if let Ok(ref mut req) = self.request {
             match <HeaderName as TryFrom<K>>::try_from(key) {
                 Ok(key) => match <HeaderValue as TryFrom<V>>::try_from(value) {
                     Ok(mut value) => {
                         value.set_sensitive(sensitive);
                         req.headers_mut().append(key, value);
                     }
                     Err(e) => error = Some(crate::error::builder(e.into())),
                 },
                 Err(e) => error = Some(crate::error::builder(e.into())),
             };
         }
         if let Some(err) = error {
             self.request = Err(err);
         }
         self
     }

     /// Add a set of Headers to the existing ones on this Request.
     ///
     /// The headers will be merged in to any already set.
     ///
     /// ```rust
     /// use reqwest::header::{HeaderMap, HeaderValue, USER_AGENT, CONTENT_TYPE};
     /// # use std::fs;
     ///
     /// fn construct_headers() -> HeaderMap {
     ///     let mut headers = HeaderMap::new();
     ///     headers.insert(USER_AGENT, HeaderValue::from_static("reqwest"));
     ///     headers.insert(CONTENT_TYPE, HeaderValue::from_static("image/png"));
     ///     headers
     /// }
     ///
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let file = fs::File::open("much_beauty.png")?;
     /// let client = reqwest::blocking::Client::new();
     /// let res = client.post("http://httpbin.org/post")
     ///     .headers(construct_headers())
     ///     .body(file)
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     pub fn headers(mut self, headers: crate::header::HeaderMap) -> RequestBuilder {
         if let Ok(ref mut req) = self.request {
             crate::util::replace_headers(req.headers_mut(), headers);
         }
         self
     }

     /// Enable HTTP basic authentication.
     ///
     /// ```rust
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let client = reqwest::blocking::Client::new();
     /// let resp = client.delete("http://httpbin.org/delete")
     ///     .basic_auth("admin", Some("good password"))
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     pub fn basic_auth<U, P>(self, username: U, password: Option<P>) -> RequestBuilder
     where
         U: fmt::Display,
         P: fmt::Display,
     {
         let header_value = crate::util::basic_auth(username, password);
         self.header_sensitive(crate::header::AUTHORIZATION, header_value, true)
     }

     /// Enable HTTP bearer authentication.
     ///
     /// ```rust
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let client = reqwest::blocking::Client::new();
     /// let resp = client.delete("http://httpbin.org/delete")
     ///     .bearer_auth("token")
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     pub fn bearer_auth<T>(self, token: T) -> RequestBuilder
     where
         T: fmt::Display,
     {
         let header_value = format!("Bearer {}", token);
         self.header_sensitive(crate::header::AUTHORIZATION, &*header_value, true)
     }

     /// Set the request body.
     ///
     /// # Examples
     ///
     /// Using a string:
     ///
     /// ```rust
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let client = reqwest::blocking::Client::new();
     /// let res = client.post("http://httpbin.org/post")
     ///     .body("from a &str!")
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     ///
     /// Using a `File`:
     ///
     /// ```rust
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let file = std::fs::File::open("from_a_file.txt")?;
     /// let client = reqwest::blocking::Client::new();
     /// let res = client.post("http://httpbin.org/post")
     ///     .body(file)
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     ///
     /// Using arbitrary bytes:
     ///
     /// ```rust
     /// # use std::fs;
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// // from bytes!
     /// let bytes: Vec<u8> = vec![1, 10, 100];
     /// let client = reqwest::blocking::Client::new();
     /// let res = client.post("http://httpbin.org/post")
     ///     .body(bytes)
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     pub fn body<T: Into<Body>>(mut self, body: T) -> RequestBuilder {
         if let Ok(ref mut req) = self.request {
             *req.body_mut() = Some(body.into());
         }
         self
     }

     /// Enables a request timeout.
     ///
     /// The timeout is applied from when the request starts connecting until the
     /// response body has finished. It affects only this request and overrides
     /// the timeout configured using `ClientBuilder::timeout()`.
     pub fn timeout(mut self, timeout: Duration) -> RequestBuilder {
         if let Ok(ref mut req) = self.request {
             *req.timeout_mut() = Some(timeout);
         }
         self
     }

     /// Modify the query string of the URL.
     ///
     /// Modifies the URL of this request, adding the parameters provided.
     /// This method appends and does not overwrite. This means that it can
     /// be called multiple times and that existing query parameters are not
     /// overwritten if the same key is used. The key will simply show up
     /// twice in the query string.
     /// Calling `.query(&[("foo", "a"), ("foo", "b")])` gives `"foo=a&foo=b"`.
     ///
     /// ```rust
     /// # use reqwest::Error;
     /// #
     /// # fn run() -> Result<(), Error> {
     /// let client = reqwest::blocking::Client::new();
     /// let res = client.get("http://httpbin.org")
     ///     .query(&[("lang", "rust")])
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     ///
     /// # Note
     /// This method does not support serializing a single key-value
     /// pair. Instead of using `.query(("key", "val"))`, use a sequence, such
     /// as `.query(&[("key", "val")])`. It's also possible to serialize structs
     /// and maps into a key-value pair.
     ///
     /// # Errors
     /// This method will fail if the object you provide cannot be serialized
     /// into a query string.
     pub fn query<T: Serialize + ?Sized>(mut self, query: &T) -> RequestBuilder {
         let mut error = None;
         if let Ok(ref mut req) = self.request {
             let url = req.url_mut();
             let mut pairs = url.query_pairs_mut();
             let serializer = serde_urlencoded::Serializer::new(&mut pairs);

             if let Err(err) = query.serialize(serializer) {
                 error = Some(crate::error::builder(err));
             }
         }
         if let Ok(ref mut req) = self.request {
             if let Some("") = req.url().query() {
                 req.url_mut().set_query(None);
             }
         }
         if let Some(err) = error {
             self.request = Err(err);
         }
         self
     }

     /// Set HTTP version
     pub fn version(mut self, version: Version) -> RequestBuilder {
         if let Ok(ref mut req) = self.request {
             *req.version_mut() = version;
         }
         self
     }

     /// Send a form body.
     ///
     /// Sets the body to the url encoded serialization of the passed value,
     /// and also sets the `Content-Type: application/x-www-form-urlencoded`
     /// header.
     ///
     /// ```rust
     /// # use reqwest::Error;
     /// # use std::collections::HashMap;
     /// #
     /// # fn run() -> Result<(), Error> {
     /// let mut params = HashMap::new();
     /// params.insert("lang", "rust");
     ///
     /// let client = reqwest::blocking::Client::new();
     /// let res = client.post("http://httpbin.org")
     ///     .form(&params)
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     ///
     /// # Errors
     ///
     /// This method fails if the passed value cannot be serialized into
     /// url encoded format
     pub fn form<T: Serialize + ?Sized>(mut self, form: &T) -> RequestBuilder {
         let mut error = None;
         if let Ok(ref mut req) = self.request {
             match serde_urlencoded::to_string(form) {
                 Ok(body) => {
                     req.headers_mut().insert(
                         CONTENT_TYPE,
                         HeaderValue::from_static("application/x-www-form-urlencoded"),
                     );
                     *req.body_mut() = Some(body.into());
                 }
                 Err(err) => error = Some(crate::error::builder(err)),
             }
         }
         if let Some(err) = error {
             self.request = Err(err);
         }
         self
     }

     /// Send a JSON body.
     ///
     /// Sets the body to the JSON serialization of the passed value, and
     /// also sets the `Content-Type: application/json` header.
     ///
     /// # Optional
     ///
     /// This requires the optional `json` feature enabled.
     ///
     /// # Examples
     ///
     /// ```rust
     /// # use reqwest::Error;
     /// # use std::collections::HashMap;
     /// #
     /// # fn run() -> Result<(), Error> {
     /// let mut map = HashMap::new();
     /// map.insert("lang", "rust");
     ///
     /// let client = reqwest::blocking::Client::new();
     /// let res = client.post("http://httpbin.org")
     ///     .json(&map)
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     ///
     /// # Errors
     ///
     /// Serialization can fail if `T`'s implementation of `Serialize` decides to
     /// fail, or if `T` contains a map with non-string keys.
     #[cfg(feature = "json")]
     #[cfg_attr(docsrs, doc(cfg(feature = "json")))]
     pub fn json<T: Serialize + ?Sized>(mut self, json: &T) -> RequestBuilder {
         let mut error = None;
         if let Ok(ref mut req) = self.request {
             match serde_json::to_vec(json) {
                 Ok(body) => {
                     if !req.headers().contains_key(CONTENT_TYPE) {
                         req.headers_mut()
                             .insert(CONTENT_TYPE, HeaderValue::from_static("application/json"));
                     }
                     *req.body_mut() = Some(body.into());
                 }
                 Err(err) => error = Some(crate::error::builder(err)),
             }
         }
         if let Some(err) = error {
             self.request = Err(err);
         }
         self
     }

     /// Sends a multipart/form-data body.
     ///
     /// ```
     /// # use reqwest::Error;
     ///
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let client = reqwest::blocking::Client::new();
     /// let form = reqwest::blocking::multipart::Form::new()
     ///     .text("key3", "value3")
     ///     .file("file", "/path/to/field")?;
     ///
     /// let response = client.post("your url")
     ///     .multipart(form)
     ///     .send()?;
     /// # Ok(())
     /// # }
     /// ```
     ///
     /// See [`multipart`](multipart/) for more examples.
     #[cfg(feature = "multipart")]
     #[cfg_attr(docsrs, doc(cfg(feature = "multipart")))]
     pub fn multipart(self, mut multipart: multipart::Form) -> RequestBuilder {
         let mut builder = self.header(
             CONTENT_TYPE,
             format!("multipart/form-data; boundary={}", multipart.boundary()).as_str(),
         );
         if let Ok(ref mut req) = builder.request {
             *req.body_mut() = Some(match multipart.compute_length() {
                 Some(length) => Body::sized(multipart.reader(), length),
                 None => Body::new(multipart.reader()),
             })
         }
         builder
     }

     /// Build a `Request`, which can be inspected, modified and executed with
     /// `Client::execute()`.
     pub fn build(self) -> crate::Result<Request> {
         self.request
     }

     /// Constructs the Request and sends it the target URL, returning a Response.
     ///
     /// # Errors
     ///
     /// This method fails if there was an error while sending request,
     /// redirect loop was detected or redirect limit was exhausted.
     pub fn send(self) -> crate::Result<super::Response> {
         self.client.execute(self.request?)
     }

     /// Attempts to clone the `RequestBuilder`.
     ///
     /// None is returned if a body is which can not be cloned. This can be because the body is a
     /// stream.
     ///
     /// # Examples
     ///
     /// With a static body
     ///
     /// ```rust
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let client = reqwest::blocking::Client::new();
     /// let builder = client.post("http://httpbin.org/post")
     ///     .body("from a &str!");
     /// let clone = builder.try_clone();
     /// assert!(clone.is_some());
     /// # Ok(())
     /// # }
     /// ```
     ///
     /// Without a body
     ///
     /// ```rust
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let client = reqwest::blocking::Client::new();
     /// let builder = client.get("http://httpbin.org/get");
     /// let clone = builder.try_clone();
     /// assert!(clone.is_some());
     /// # Ok(())
     /// # }
     /// ```
     ///
     /// With a non-clonable body
     ///
     /// ```rust
     /// # fn run() -> Result<(), Box<std::error::Error>> {
     /// let client = reqwest::blocking::Client::new();
     /// let builder = client.get("http://httpbin.org/get")
     ///     .body(reqwest::blocking::Body::new(std::io::empty()));
     /// let clone = builder.try_clone();
     /// assert!(clone.is_none());
     /// # Ok(())
     /// # }
     /// ```
     pub fn try_clone(&self) -> Option<RequestBuilder> {
         self.request
             .as_ref()
             .ok()
             .and_then(|req| req.try_clone())
             .map(|req| RequestBuilder {
                 client: self.client.clone(),
                 request: Ok(req),
             })
     }
 }

 impl<T> TryFrom<HttpRequest<T>> for Request
 where
     T: Into<Body>,
 {
     type Error = crate::Error;

     fn try_from(req: HttpRequest<T>) -> crate::Result<Self> {
         let (parts, body) = req.into_parts();
         let Parts {
             method,
             uri,
             headers,
             ..
         } = parts;
         let url = Url::parse(&uri.to_string()).map_err(crate::error::builder)?;
         let mut inner = async_impl::Request::new(method, url);
         crate::util::replace_headers(inner.headers_mut(), headers);
         Ok(Request {
             body: Some(body.into()),
             inner,
         })
     }
 }

 impl fmt::Debug for Request {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         fmt_request_fields(&mut f.debug_struct("Request"), self).finish()
     }
 }

 fn fmt_request_fields<'a, 'b>(
     f: &'a mut fmt::DebugStruct<'a, 'b>,
     req: &Request,
 ) -> &'a mut fmt::DebugStruct<'a, 'b> {
     f.field("method", req.method())
         .field("url", req.url())
         .field("headers", req.headers())
 }

 #[cfg(test)]
 mod tests {
     use super::super::{body, Client};
     use super::{HttpRequest, Request, Version};
     use crate::header::{HeaderMap, HeaderValue, ACCEPT, CONTENT_TYPE, HOST};
     use crate::Method;
     use serde::Serialize;
     #[cfg(feature = "json")]
     use serde_json;
     use serde_urlencoded;
     use std::collections::{BTreeMap, HashMap};
     use std::convert::TryFrom;

     #[test]
     fn basic_get_request() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.get(some_url).build().unwrap();

         assert_eq!(r.method(), &Method::GET);
         assert_eq!(r.url().as_str(), some_url);
     }

     #[test]
     fn basic_head_request() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.head(some_url).build().unwrap();

         assert_eq!(r.method(), &Method::HEAD);
         assert_eq!(r.url().as_str(), some_url);
     }

     #[test]
     fn basic_post_request() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.post(some_url).build().unwrap();

         assert_eq!(r.method(), &Method::POST);
         assert_eq!(r.url().as_str(), some_url);
     }

     #[test]
     fn basic_put_request() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.put(some_url).build().unwrap();

         assert_eq!(r.method(), &Method::PUT);
         assert_eq!(r.url().as_str(), some_url);
     }

     #[test]
     fn basic_patch_request() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.patch(some_url).build().unwrap();

         assert_eq!(r.method(), &Method::PATCH);
         assert_eq!(r.url().as_str(), some_url);
     }

     #[test]
     fn basic_delete_request() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.delete(some_url).build().unwrap();

         assert_eq!(r.method(), &Method::DELETE);
         assert_eq!(r.url().as_str(), some_url);
     }

     #[test]
     fn add_header() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.post(some_url);

         let header = HeaderValue::from_static("google.com");

         // Add a copy of the header to the request builder
         let r = r.header(HOST, header.clone()).build().unwrap();

         // then check it was actually added
         assert_eq!(r.headers().get(HOST), Some(&header));
     }

     #[test]
     fn add_headers() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.post(some_url);

         let header = HeaderValue::from_static("google.com");

         let mut headers = HeaderMap::new();
         headers.insert(HOST, header);

         // Add a copy of the headers to the request builder
         let r = r.headers(headers.clone()).build().unwrap();

         // then make sure they were added correctly
         assert_eq!(r.headers(), &headers);
     }

     #[test]
     fn add_headers_multi() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.post(some_url);

         let header_json = HeaderValue::from_static("application/json");
         let header_xml = HeaderValue::from_static("application/xml");

         let mut headers = HeaderMap::new();
         headers.append(ACCEPT, header_json);
         headers.append(ACCEPT, header_xml);

         // Add a copy of the headers to the request builder
         let r = r.headers(headers.clone()).build().unwrap();

         // then make sure they were added correctly
         assert_eq!(r.headers(), &headers);
         let mut all_values = r.headers().get_all(ACCEPT).iter();
         assert_eq!(all_values.next().unwrap(), &"application/json");
         assert_eq!(all_values.next().unwrap(), &"application/xml");
         assert_eq!(all_values.next(), None);
     }

     #[test]
     fn add_body() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.post(some_url);

         let body = "Some interesting content";

         let mut r = r.body(body).build().unwrap();

         let buf = body::read_to_string(r.body_mut().take().unwrap()).unwrap();

         assert_eq!(buf, body);
     }

     #[test]
     fn add_query_append() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let mut r = client.get(some_url);

         r = r.query(&[("foo", "bar")]);
         r = r.query(&[("qux", 3)]);

         let req = r.build().expect("request is valid");
         assert_eq!(req.url().query(), Some("foo=bar&qux=3"));
     }

     #[test]
     fn add_query_append_same() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let mut r = client.get(some_url);

         r = r.query(&[("foo", "a"), ("foo", "b")]);

         let req = r.build().expect("request is valid");
         assert_eq!(req.url().query(), Some("foo=a&foo=b"));
     }

     #[test]
     fn add_query_struct() {
         #[derive(Serialize)]
         struct Params {
             foo: String,
             qux: i32,
         }

         let client = Client::new();
         let some_url = "https://google.com/";
         let mut r = client.get(some_url);

         let params = Params {
             foo: "bar".into(),
             qux: 3,
         };

         r = r.query(&params);

         let req = r.build().expect("request is valid");
         assert_eq!(req.url().query(), Some("foo=bar&qux=3"));
     }

     #[test]
     fn add_query_map() {
         let mut params = BTreeMap::new();
         params.insert("foo", "bar");
         params.insert("qux", "three");

         let client = Client::new();
         let some_url = "https://google.com/";
         let mut r = client.get(some_url);

         r = r.query(&params);

         let req = r.build().expect("request is valid");
         assert_eq!(req.url().query(), Some("foo=bar&qux=three"));
     }

     #[test]
     fn add_form() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.post(some_url);

         let mut form_data = HashMap::new();
         form_data.insert("foo", "bar");

         let mut r = r.form(&form_data).build().unwrap();

         // Make sure the content type was set
         assert_eq!(
             r.headers().get(CONTENT_TYPE).unwrap(),
             &"application/x-www-form-urlencoded"
         );

         let buf = body::read_to_string(r.body_mut().take().unwrap()).unwrap();

         let body_should_be = serde_urlencoded::to_string(&form_data).unwrap();
         assert_eq!(buf, body_should_be);
     }

     #[test]
     #[cfg(feature = "json")]
     fn add_json() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.post(some_url);

         let mut json_data = HashMap::new();
         json_data.insert("foo", "bar");

         let mut r = r.json(&json_data).build().unwrap();

         // Make sure the content type was set
         assert_eq!(r.headers().get(CONTENT_TYPE).unwrap(), &"application/json");

         let buf = body::read_to_string(r.body_mut().take().unwrap()).unwrap();

         let body_should_be = serde_json::to_string(&json_data).unwrap();
         assert_eq!(buf, body_should_be);
     }

     #[test]
     #[cfg(feature = "json")]
     fn add_json_fail() {
         use serde::ser::Error as _;
         use serde::{Serialize, Serializer};
         use std::error::Error as _;
         struct MyStruct;
         impl Serialize for MyStruct {
             fn serialize<S>(&self, _serializer: S) -> Result<S::Ok, S::Error>
             where
                 S: Serializer,
             {
                 Err(S::Error::custom("nope"))
             }
         }

         let client = Client::new();
         let some_url = "https://google.com/";
         let r = client.post(some_url);
         let json_data = MyStruct;
         let err = r.json(&json_data).build().unwrap_err();
         assert!(err.is_builder()); // well, duh ;)
         assert!(err.source().unwrap().is::<serde_json::Error>());
     }

     #[test]
     fn test_replace_headers() {
         use http::HeaderMap;

         let mut headers = HeaderMap::new();
         headers.insert("foo", "bar".parse().unwrap());
         headers.append("foo", "baz".parse().unwrap());

         let client = Client::new();
         let req = client
             .get("https://hyper.rs")
             .header("im-a", "keeper")
             .header("foo", "pop me")
             .headers(headers)
             .build()
             .expect("request build");

         assert_eq!(req.headers()["im-a"], "keeper");

         let foo = req.headers().get_all("foo").iter().collect::<Vec<_>>();
         assert_eq!(foo.len(), 2);
         assert_eq!(foo[0], "bar");
         assert_eq!(foo[1], "baz");
     }

     #[test]
     fn normalize_empty_query() {
         let client = Client::new();
         let some_url = "https://google.com/";
         let empty_query: &[(&str, &str)] = &[];

         let req = client
             .get(some_url)
             .query(empty_query)
             .build()
             .expect("request build");

         assert_eq!(req.url().query(), None);
         assert_eq!(req.url().as_str(), "https://google.com/");
     }

     #[test]
     fn convert_url_authority_into_basic_auth() {
         let client = Client::new();
         let some_url = "https://Aladdin:open sesame@localhost/";

         let req = client.get(some_url).build().expect("request build");

         assert_eq!(req.url().as_str(), "https://localhost/");
         assert_eq!(
             req.headers()["authorization"],
             "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=="
         );
     }

     #[test]
     fn convert_from_http_request() {
         let http_request = HttpRequest::builder()
             .method("GET")
             .uri("http://localhost/")
             .header("User-Agent", "my-awesome-agent/1.0")
             .body("test test test")
             .unwrap();
         let req: Request = Request::try_from(http_request).unwrap();
         assert_eq!(req.body().is_none(), false);
         let test_data = b"test test test";
         assert_eq!(req.body().unwrap().as_bytes(), Some(&test_data[..]));
         let headers = req.headers();
         assert_eq!(headers.get("User-Agent").unwrap(), "my-awesome-agent/1.0");
         assert_eq!(req.method(), Method::GET);
         assert_eq!(req.url().as_str(), "http://localhost/");
     }

     #[test]
     fn set_http_request_version() {
         let http_request = HttpRequest::builder()
             .method("GET")
             .uri("http://localhost/")
             .header("User-Agent", "my-awesome-agent/1.0")
             .version(Version::HTTP_11)
             .body("test test test")
             .unwrap();
         let req: Request = Request::try_from(http_request).unwrap();
         assert_eq!(req.body().is_none(), false);
         let test_data = b"test test test";
         assert_eq!(req.body().unwrap().as_bytes(), Some(&test_data[..]));
         let headers = req.headers();
         assert_eq!(headers.get("User-Agent").unwrap(), "my-awesome-agent/1.0");
         assert_eq!(req.method(), Method::GET);
         assert_eq!(req.url().as_str(), "http://localhost/");
         assert_eq!(req.version(), Version::HTTP_11);
     }

     #[test]
     fn test_basic_auth_sensitive_header() {
         let client = Client::new();
         let some_url = "https://localhost/";

         let req = client
             .get(some_url)
             .basic_auth("Aladdin", Some("open sesame"))
             .build()
             .expect("request build");

         assert_eq!(req.url().as_str(), "https://localhost/");
         assert_eq!(
             req.headers()["authorization"],
             "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ=="
         );
         assert_eq!(req.headers()["authorization"].is_sensitive(), true);
     }

     #[test]
     fn test_bearer_auth_sensitive_header() {
         let client = Client::new();
         let some_url = "https://localhost/";

         let req = client
             .get(some_url)
             .bearer_auth("Hold my bear")
             .build()
             .expect("request build");

         assert_eq!(req.url().as_str(), "https://localhost/");
         assert_eq!(req.headers()["authorization"], "Bearer Hold my bear");
         assert_eq!(req.headers()["authorization"].is_sensitive(), true);
     }
 }