From 6aa72b3c8717f32e62c772aeed327d3cd9a6fa65 Mon Sep 17 00:00:00 2001
From: Ilion Beyst <ilion.beyst@gmail.com>
Date: Wed, 15 Dec 2021 22:40:55 +0100
Subject: gracefully handle invalid login credentials

---
 backend/tests/login.rs | 106 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 backend/tests/login.rs

(limited to 'backend/tests/login.rs')

diff --git a/backend/tests/login.rs b/backend/tests/login.rs
new file mode 100644
index 0000000..9c70af2
--- /dev/null
+++ b/backend/tests/login.rs
@@ -0,0 +1,106 @@
+extern crate mozaic4_backend;
+
+use diesel;
+use diesel::prelude::*;
+use mozaic4_backend::DbConn;
+use rocket::http::{ContentType, Header, Status};
+use rocket::local::asynchronous::Client;
+
+// We use a lock to synchronize between tests so DB operations don't collide.
+// For now. In the future, we'll have a nice way to run each test in a DB
+// transaction so we can regain concurrency.
+static DB_LOCK: parking_lot::Mutex<()> = parking_lot::const_mutex(());
+
+async fn reset_db(db: &DbConn) {
+    db.run(|conn| {
+        diesel::sql_query("TRUNCATE TABLE users, sessions")
+            .execute(conn)
+            .expect("drop all tables");
+    })
+    .await
+}
+
+macro_rules! run_test {
+    (|$client:ident, $conn:ident| $block:expr) => {{
+        let _lock = DB_LOCK.lock();
+
+        rocket::async_test(async move {
+            let $client = Client::tracked(mozaic4_backend::rocket())
+                .await
+                .expect("Rocket client");
+            let db = mozaic4_backend::DbConn::get_one($client.rocket()).await;
+            let $conn = db.expect("failed to get database connection for testing");
+            reset_db(&$conn).await;
+
+            $block
+        })
+    }};
+}
+
+pub struct BearerAuth {
+    token: String,
+}
+
+impl BearerAuth {
+    pub fn new(token: String) -> Self {
+        Self { token }
+    }
+}
+
+impl<'a> Into<Header<'a>> for BearerAuth {
+    fn into(self) -> Header<'a> {
+        Header::new("Authorization", format!("Bearer {}", self.token))
+    }
+}
+
+#[test]
+fn test_registration() {
+    run_test!(|client, _conn| {
+        let response = client
+            .post("/register")
+            .header(ContentType::JSON)
+            .body(r#"{"username": "piepkonijn", "password": "geheim123"}"#)
+            .dispatch()
+            .await;
+
+        assert_eq!(response.status(), Status::Ok);
+        assert_eq!(response.content_type(), Some(ContentType::JSON));
+
+        let response = client
+            .post("/login")
+            .header(ContentType::JSON)
+            .body(r#"{"username": "piepkonijn", "password": "geheim123"}"#)
+            .dispatch()
+            .await;
+
+        assert_eq!(response.status(), Status::Ok);
+        let token = response.into_string().await.unwrap();
+
+        let response = client
+            .get("/users/me")
+            .header(BearerAuth::new(token))
+            .dispatch()
+            .await;
+
+        assert_eq!(response.status(), Status::Ok);
+        assert_eq!(response.content_type(), Some(ContentType::JSON));
+        let resp = response.into_string().await.unwrap();
+        let json: serde_json::Value = serde_json::from_str(&resp).unwrap();
+        assert_eq!(json["username"], "piepkonijn");
+    });
+}
+
+#[test]
+fn test_reject_invalid_credentials() {
+    run_test!(|client, _conn| {
+        let response = client
+            .post("/login")
+            .header(ContentType::JSON)
+            .body(r#"{"username": "piepkonijn", "password": "letmeinplease"}"#)
+            .dispatch()
+            .await;
+
+        assert_eq!(response.status(), Status::Forbidden);
+        // assert_eq!(response.content_type(), Some(ContentType::JSON));
+    });
+}
-- 
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