Add anyhow, Improve Auth token code

Moved test helper code to its own module.

src/auth.rs

@@ -32,6 +32,7 @@ pub async fn login(
     user_dao: web::Data<Box<dyn UserDao>>,
 ) -> HttpResponse {
     debug!("Logging in: {}", creds.username);
+
     if let Some(user) = user_dao.get_user(&creds.username, &creds.password) {
         let claims = Claims {
             sub: user.id.to_string(),
@@ -43,6 +44,7 @@ pub async fn login(
             &EncodingKey::from_secret(secret_key().as_bytes()),
         )
         .unwrap();
+
         HttpResponse::Ok().json(Token { token: &token })
     } else {
         error!(
@@ -56,7 +58,7 @@ pub async fn login(
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::database::testhelpers::{BodyReader, TestUserDao};
+    use crate::testhelpers::{BodyReader, TestUserDao};
 
     #[actix_rt::test]
     async fn test_login_reports_200_when_user_exists() {