omnium 0.2.0

A set of extensions for building web applications on axum.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155

use std::fmt::Debug;

use anyhow::anyhow;
use axum::body::Body;
use axum::http::{Method, Request};
use axum::{routing::MethodRouter, Router};
use http_body_util::BodyExt;
use hyper::StatusCode;
use serde::Deserialize;
use tower::util::ServiceExt;

use crate::api::responses::{Response, Result, StatusBody};

fn input() -> hyper::Request<axum::body::Body> {
    Request::builder()
        .uri("/test")
        .method(Method::GET)
        .body(Body::empty())
        .unwrap()
}

async fn assert_response<T: for<'a> Deserialize<'a> + PartialEq + Debug>(
    response: axum::response::Response<Body>,
    expect_code: StatusCode,
    expect_body: T,
) {
    assert_eq!(response.status(), expect_code);

    let body = response.into_body().collect().await.unwrap().to_bytes();
    let body: T = serde_json::from_slice(&body).unwrap();

    assert_eq!(body, expect_body);
}

async fn assert_status_response(
    response: axum::response::Response<Body>,
    expect_code: StatusCode,
    expect_detail: Option<String>,
) {
    assert_eq!(response.status(), expect_code);

    let body = response.into_body().collect().await.unwrap().to_bytes();
    let body: StatusBody = serde_json::from_slice(&body).unwrap();

    assert_eq!(
        body,
        StatusBody {
            reason: expect_code.canonical_reason().map(String::from),
            detail: expect_detail,
        },
    );
}

#[tokio::test]
async fn test_ok_status_to_response() {
    async fn handler() -> Result {
        Response::status(StatusCode::OK).into()
    }

    let response = Router::new()
        .route("/test", MethodRouter::new().get(handler))
        .into_service()
        .oneshot(input())
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::OK);

    assert_status_response(response, StatusCode::OK, None).await;
}

#[tokio::test]
async fn test_err_status_to_response() {
    async fn handler() -> Result {
        Response::status(StatusCode::UNAUTHORIZED).into()
    }

    let response = Router::new()
        .route("/test", MethodRouter::new().get(handler))
        .into_service()
        .oneshot(input())
        .await
        .unwrap();

    assert_status_response(response, StatusCode::UNAUTHORIZED, None).await;
}

#[tokio::test]
async fn test_status_with_detail_to_response() {
    async fn handler() -> Result {
        Response::status(StatusCode::UNAUTHORIZED)
            .with_detail("You shall not pass!".into())
            .into()
    }

    let response = Router::new()
        .route("/test", MethodRouter::new().get(handler))
        .into_service()
        .oneshot(input())
        .await
        .unwrap();

    assert_status_response(
        response,
        StatusCode::UNAUTHORIZED,
        Some("You shall not pass!".into()),
    )
    .await;
}

#[tokio::test]
async fn test_bail_to_response() {
    async fn handler() -> Result {
        Err(anyhow!("An unhandled error was propagated!"))?;
        panic!("This line will never be reached.");
    }

    let response = Router::new()
        .route("/test", MethodRouter::new().get(handler))
        .into_service()
        .oneshot(input())
        .await
        .unwrap();

    assert_status_response(response, StatusCode::INTERNAL_SERVER_ERROR, None).await;
}

#[tokio::test]
async fn test_json_to_response() {
    async fn handler() -> Result {
        Response::json(StatusBody {
            reason: Some("test".into()),
            detail: Some("content".into()),
        })
        .with_status(StatusCode::IM_A_TEAPOT)
        .into()
    }

    let response = Router::new()
        .route("/test", MethodRouter::new().get(handler))
        .into_service()
        .oneshot(input())
        .await
        .unwrap();

    assert_response(
        response,
        StatusCode::IM_A_TEAPOT,
        StatusBody {
            reason: Some("test".into()),
            detail: Some("content".into()),
        },
    )
    .await;
}