thruster 1.3.13

A middleware based http async web server.
Documentation 
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use bytes::{BytesMut, BufMut};
use futures::Future;
use std::collections::HashMap;

use crate::app::App;

use core::context::Context;
use core::response::{Response, StatusMessage};
use core::request::decode;
use core::request::Request;

pub fn request<T: Context<Response = Response> + Send>(app: &App<Request, T>, method: &str, route: &str, headers: &[(&str, &str)], body: &str) -> TestResponse {
  let headers_mapped: Vec<String> = headers
    .iter()
    .map(|val| format!("{}: {}", val.0, val.1))
    .collect();
  let headers = headers_mapped
    .join("\n");
  let body = format!("{} {} HTTP/1.1\nHost: localhost:8080\n{}\n\n{}", method, route, headers, body);

  let mut bytes = BytesMut::with_capacity(body.len());
  bytes.put(&body);


  let request = decode(&mut bytes).unwrap().unwrap();
  let matched_route = app.resolve_from_method_and_path(method, route);
  let response = app.resolve(request, matched_route).wait().unwrap();

  TestResponse::new(response)
}


pub fn get<T: Context<Response = Response> + Send>(app: &App<Request, T>, route: &str) -> TestResponse {
  let body = format!("GET {} HTTP/1.1\nHost: localhost:8080\n\n", route);

  let mut bytes = BytesMut::with_capacity(body.len());
  bytes.put(&body);


  let request = decode(&mut bytes).unwrap().unwrap();
  let matched_route = app.resolve_from_method_and_path("GET", route);
  let response = app.resolve(request, matched_route).wait().unwrap();

  TestResponse::new(response)
}

pub fn delete<T: Context<Response = Response> + Send>(app: &App<Request, T>, route: &str) -> TestResponse {
  let body = format!("DELETE {} HTTP/1.1\nHost: localhost:8080\n\n", route);

  let mut bytes = BytesMut::with_capacity(body.len());
  bytes.put(&body);


  let request = decode(&mut bytes).unwrap().unwrap();
  let matched_route = app.resolve_from_method_and_path("DELETE", route);
  let response = app.resolve(request, matched_route).wait().unwrap();


  TestResponse::new(response)
}

pub fn post<T: Context<Response = Response> + Send>(app: &App<Request, T>, route: &str, content: &str) -> TestResponse {
  let body = format!("POST {} HTTP/1.1\nHost: localhost:8080\nContent-Length: {}\n\n{}", route, content.len(), content);

  let mut bytes = BytesMut::with_capacity(body.len());
  bytes.put(&body);


  let request = decode(&mut bytes).unwrap().unwrap();
  let matched_route = app.resolve_from_method_and_path("POST", route);
  let response = app.resolve(request, matched_route).wait().unwrap();


  TestResponse::new(response)
}

pub fn put<T: Context<Response = Response> + Send>(app: &App<Request, T>, route: &str, content: &str) -> TestResponse {
  let body = format!("PUT {} HTTP/1.1\nHost: localhost:8080\nContent-Length: {}\n\n{}", route, content.len(), content);

  let mut bytes = BytesMut::with_capacity(body.len());
  bytes.put(&body);


  let request = decode(&mut bytes).unwrap().unwrap();
  let matched_route = app.resolve_from_method_and_path("PUT", route);
  let response = app.resolve(request, matched_route).wait().unwrap();


  TestResponse::new(response)
}

pub fn patch<T: Context<Response = Response> + Send>(app: &App<Request, T>, route: &str, content: &str) -> TestResponse {
  let body = format!("PATCH {} HTTP/1.1\nHost: localhost:8080\nContent-Length: {}\n\n{}", route, content.len(), content);

  let mut bytes = BytesMut::with_capacity(body.len());
  bytes.put(&body);


  let request = decode(&mut bytes).unwrap().unwrap();
  let matched_route = app.resolve_from_method_and_path("PATCH", route);
  let response = app.resolve(request, matched_route).wait().unwrap();


  TestResponse::new(response)
}

#[derive(Debug)]
pub struct TestResponse {
  pub body: String,
  pub headers: HashMap<String, String>,
  pub status: (String, u32)
}

impl TestResponse {
  fn new(response: Response) -> TestResponse {
    let mut headers = HashMap::new();
    let header_string = String::from_utf8(response.header_raw.to_vec()).unwrap();

    for header_pair in header_string.split("\r\n") {
      if !header_pair.is_empty() {
        let mut split = header_pair.split(':');
        let key = split.next().unwrap().trim().to_owned();
        let value = split.next().unwrap().trim().to_owned();

        headers.insert(key, value);
      }
    }

    TestResponse {
      body: String::from_utf8(response.response).unwrap(),
      headers,
      status: match response.status_message {
        StatusMessage::Ok => ("Ok".to_owned(), 200),
        StatusMessage::Custom(code, message) => (message, code)
      }
    }
  }
}