| 1 | //! Drives the router in-process, the way the contract describes it. |
| 2 | |
| 3 | use axum::{ |
| 4 | Router, |
| 5 | body::Body, |
| 6 | http::{Request, StatusCode, header}, |
| 7 | }; |
| 8 | use http_body_util::BodyExt; |
| 9 | use todo_rust::{app, db::Db}; |
| 10 | use tower::ServiceExt; |
| 11 | |
| 12 | const ORIGIN: &str = "http://127.0.0.1:9"; |
| 13 | |
| 14 | struct Harness { |
| 15 | router: Router, |
| 16 | _dir: TempDir, |
| 17 | } |
| 18 | |
| 19 | /// A throwaway directory under $TMPDIR, removed on drop. |
| 20 | struct TempDir(std::path::PathBuf); |
| 21 | |
| 22 | impl Drop for TempDir { |
| 23 | fn drop(&mut self) { |
| 24 | let _ = std::fs::remove_dir_all(&self.0); |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | fn harness() -> Harness { |
| 29 | let mut name = [0u8; 8]; |
| 30 | getrandom::fill(&mut name).unwrap(); |
| 31 | let dir = std::env::temp_dir().join(format!("todo-rust-test-{:x}", u64::from_ne_bytes(name))); |
| 32 | std::fs::create_dir_all(&dir).unwrap(); |
| 33 | let db = Db::open(&dir.join("test.db")).unwrap(); |
| 34 | let router = app::router(app::AppState { db, origin: ORIGIN.into(), version: "test" }); |
| 35 | Harness { router, _dir: TempDir(dir) } |
| 36 | } |
| 37 | |
| 38 | struct Reply { |
| 39 | status: StatusCode, |
| 40 | location: Option<String>, |
| 41 | cookie: Option<String>, |
| 42 | body: String, |
| 43 | } |
| 44 | |
| 45 | impl Harness { |
| 46 | async fn send(&self, req: Request<Body>) -> Reply { |
| 47 | let res = self.router.clone().oneshot(req).await.unwrap(); |
| 48 | let header = |name| res.headers().get(name).map(|v: &header::HeaderValue| v.to_str().unwrap().to_owned()); |
| 49 | let location = header(header::LOCATION); |
| 50 | let cookie = header(header::SET_COOKIE); |
| 51 | let status = res.status(); |
| 52 | let body = String::from_utf8(res.into_body().collect().await.unwrap().to_bytes().to_vec()).unwrap(); |
| 53 | Reply { status, location, cookie, body } |
| 54 | } |
| 55 | |
| 56 | async fn get(&self, path: &str, cookie: Option<&str>) -> Reply { |
| 57 | let mut req = Request::get(path); |
| 58 | if let Some(c) = cookie { |
| 59 | req = req.header(header::COOKIE, c); |
| 60 | } |
| 61 | self.send(req.body(Body::empty()).unwrap()).await |
| 62 | } |
| 63 | |
| 64 | async fn post(&self, path: &str, cookie: &str, form: &str) -> Reply { |
| 65 | let req = Request::post(path) |
| 66 | .header(header::COOKIE, cookie) |
| 67 | .header(header::CONTENT_TYPE, "application/x-www-form-urlencoded") |
| 68 | .body(Body::from(form.to_owned())) |
| 69 | .unwrap(); |
| 70 | self.send(req).await |
| 71 | } |
| 72 | |
| 73 | /// A new visitor: their cookie, as a `Cookie` header value. |
| 74 | async fn visitor(&self) -> String { |
| 75 | let reply = self.get("/", None).await; |
| 76 | reply.cookie.unwrap().split(';').next().unwrap().to_owned() |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | fn ids(body: &str) -> Vec<String> { |
| 81 | body.split("data-id=\"").skip(1).map(|s| s.split('"').next().unwrap().to_owned()).collect() |
| 82 | } |
| 83 | |
| 84 | #[tokio::test] |
| 85 | async fn first_visit_sets_a_list_cookie() { |
| 86 | let h = harness(); |
| 87 | let reply = h.get("/", None).await; |
| 88 | assert_eq!(reply.status, StatusCode::OK); |
| 89 | let cookie = reply.cookie.unwrap(); |
| 90 | assert!(cookie.contains("HttpOnly") && cookie.contains("SameSite=Lax") && cookie.contains("Path=/")); |
| 91 | assert!(!cookie.contains("Secure"), "plain http should not get Secure"); |
| 92 | let token = cookie.split(';').next().unwrap().split('=').nth(1).unwrap(); |
| 93 | assert_eq!(token.len(), 32); |
| 94 | } |
| 95 | |
| 96 | #[tokio::test] |
| 97 | async fn add_trims_and_redirects_to_the_filter() { |
| 98 | let h = harness(); |
| 99 | let me = h.visitor().await; |
| 100 | let reply = h.post("/todos", &me, "title=++buy+milk++&filter=active").await; |
| 101 | assert_eq!(reply.status, StatusCode::SEE_OTHER); |
| 102 | assert_eq!(reply.location.as_deref(), Some("/active")); |
| 103 | let page = h.get("/", Some(&me)).await.body; |
| 104 | assert!(page.contains("<label>buy milk</label>")); |
| 105 | assert!(page.contains("<strong>1</strong> item left")); |
| 106 | |
| 107 | let reply = h.post("/todos", &me, "title=+++&filter=bogus").await; |
| 108 | assert_eq!(reply.location.as_deref(), Some("/")); |
| 109 | assert_eq!(ids(&h.get("/", Some(&me)).await.body).len(), 1); |
| 110 | } |
| 111 | |
| 112 | #[tokio::test] |
| 113 | async fn titles_are_escaped_and_kept_exactly() { |
| 114 | let h = harness(); |
| 115 | let me = h.visitor().await; |
| 116 | h.post("/todos", &me, "title=%3Cimg+src%3Dx%3E+%26+na%C3%AFve+%F0%9F%9A%80").await; |
| 117 | let page = h.get("/", Some(&me)).await.body; |
| 118 | assert!(page.contains("<label><img src=x> & naïve 🚀</label>")); |
| 119 | assert!(!page.contains("<img")); |
| 120 | } |
| 121 | |
| 122 | #[tokio::test] |
| 123 | async fn toggle_toggle_all_and_clear_completed() { |
| 124 | let h = harness(); |
| 125 | let me = h.visitor().await; |
| 126 | for t in ["a", "b", "c"] { |
| 127 | h.post("/todos", &me, &format!("title={t}")).await; |
| 128 | } |
| 129 | let id = ids(&h.get("/", Some(&me)).await.body)[0].clone(); |
| 130 | h.post(&format!("/todos/{id}/toggle"), &me, "filter=all").await; |
| 131 | assert_eq!(ids(&h.get("/completed", Some(&me)).await.body), vec![id.clone()]); |
| 132 | assert_eq!(ids(&h.get("/active", Some(&me)).await.body).len(), 2); |
| 133 | |
| 134 | h.post("/todos/toggle-all", &me, "filter=all").await; |
| 135 | assert_eq!(ids(&h.get("/active", Some(&me)).await.body).len(), 0); |
| 136 | h.post("/todos/toggle-all", &me, "filter=all").await; |
| 137 | assert_eq!(ids(&h.get("/completed", Some(&me)).await.body).len(), 0); |
| 138 | |
| 139 | h.post(&format!("/todos/{id}/toggle"), &me, "filter=all").await; |
| 140 | h.post("/todos/clear-completed", &me, "filter=completed").await; |
| 141 | assert_eq!(ids(&h.get("/", Some(&me)).await.body).len(), 2); |
| 142 | } |
| 143 | |
| 144 | #[tokio::test] |
| 145 | async fn edit_renames_and_empty_title_deletes() { |
| 146 | let h = harness(); |
| 147 | let me = h.visitor().await; |
| 148 | h.post("/todos", &me, "title=old").await; |
| 149 | let id = ids(&h.get("/", Some(&me)).await.body)[0].clone(); |
| 150 | |
| 151 | let page = h.get(&format!("/?edit={id}"), Some(&me)).await.body; |
| 152 | assert!(page.contains(&format!("class=\"editing\" data-id=\"{id}\""))); |
| 153 | assert!(page.contains(&format!("action=\"/todos/{id}/edit\""))); |
| 154 | |
| 155 | h.post(&format!("/todos/{id}/edit"), &me, "title=+new+&filter=all").await; |
| 156 | assert!(h.get("/", Some(&me)).await.body.contains("<label>new</label>")); |
| 157 | h.post(&format!("/todos/{id}/edit"), &me, "title=+&filter=all").await; |
| 158 | assert!(ids(&h.get("/", Some(&me)).await.body).is_empty()); |
| 159 | } |
| 160 | |
| 161 | #[tokio::test] |
| 162 | async fn another_visitors_id_is_404_and_untouched() { |
| 163 | let h = harness(); |
| 164 | let me = h.visitor().await; |
| 165 | let them = h.visitor().await; |
| 166 | h.post("/todos", &me, "title=mine").await; |
| 167 | let id = ids(&h.get("/", Some(&me)).await.body)[0].clone(); |
| 168 | for action in ["toggle", "edit", "destroy"] { |
| 169 | let reply = h.post(&format!("/todos/{id}/{action}"), &them, "title=x&filter=all").await; |
| 170 | assert_eq!(reply.status, StatusCode::NOT_FOUND, "{action}"); |
| 171 | } |
| 172 | assert_eq!(h.post("/todos/nope/toggle", &me, "filter=all").await.status, StatusCode::NOT_FOUND); |
| 173 | let page = h.get("/", Some(&me)).await.body; |
| 174 | assert!(page.contains("<label>mine</label>") && !page.contains("class=\"completed\"")); |
| 175 | } |
| 176 | |
| 177 | #[tokio::test] |
| 178 | async fn garbled_or_unknown_cookie_gets_a_fresh_list() { |
| 179 | let h = harness(); |
| 180 | for cookie in ["todo_list=%%%", "todo_list=00000000000000000000000000000000", "other=1"] { |
| 181 | let reply = h.get("/", Some(cookie)).await; |
| 182 | assert_eq!(reply.status, StatusCode::OK); |
| 183 | assert!(reply.cookie.is_some(), "{cookie}"); |
| 184 | assert!(ids(&reply.body).is_empty()); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | #[tokio::test] |
| 189 | async fn foreign_origin_is_403_and_own_origin_is_fine() { |
| 190 | let h = harness(); |
| 191 | let me = h.visitor().await; |
| 192 | let post = |origin: &'static str| { |
| 193 | Request::post("/todos") |
| 194 | .header(header::COOKIE, me.clone()) |
| 195 | .header(header::ORIGIN, origin) |
| 196 | .header(header::CONTENT_TYPE, "application/x-www-form-urlencoded") |
| 197 | .body(Body::from("title=x")) |
| 198 | .unwrap() |
| 199 | }; |
| 200 | assert_eq!(h.send(post("https://evil.example")).await.status, StatusCode::FORBIDDEN); |
| 201 | assert_eq!(h.send(post("null")).await.status, StatusCode::FORBIDDEN); |
| 202 | assert!(ids(&h.get("/", Some(&me)).await.body).is_empty()); |
| 203 | assert_eq!(h.send(post(ORIGIN)).await.status, StatusCode::SEE_OTHER); |
| 204 | } |
| 205 | |
| 206 | #[tokio::test] |
| 207 | async fn fragment_header_returns_the_list() { |
| 208 | let h = harness(); |
| 209 | let me = h.visitor().await; |
| 210 | let req = Request::post("/todos") |
| 211 | .header(header::COOKIE, me) |
| 212 | .header("X-Todo-Fragment", "1") |
| 213 | .header(header::CONTENT_TYPE, "application/x-www-form-urlencoded") |
| 214 | .body(Body::from("title=hello&filter=all")) |
| 215 | .unwrap(); |
| 216 | let reply = h.send(req).await; |
| 217 | assert_eq!(reply.status, StatusCode::OK); |
| 218 | assert!(reply.body.starts_with("<section class=\"main\">")); |
| 219 | assert!(reply.body.contains("<label>hello</label>")); |
| 220 | } |
| 221 | |
| 222 | #[tokio::test] |
| 223 | async fn static_files_health_and_version() { |
| 224 | let h = harness(); |
| 225 | assert_eq!(h.get("/static/base.css", None).await.body, include_str!("../../../shared/base.css")); |
| 226 | assert_eq!(h.get("/static/index.css", None).await.body, include_str!("../../../shared/index.css")); |
| 227 | assert_eq!(h.get("/healthz", None).await.status, StatusCode::OK); |
| 228 | assert_eq!(h.get("/api/version", None).await.body, "test"); |
| 229 | assert_eq!(h.get("/nope", None).await.status, StatusCode::NOT_FOUND); |
| 230 | } |
| 231 | |
amadan