Add tests (sort of)

Author: memothelemo

Cargo.lock

@@ -51,6 +51,8 @@ serde_json = "1.0.108"
 serde-value = "0.7.0"
 toml_edit = { version = "0.20.7", features = ["serde"] }
 
+serde_test = "1.0.176"
+
 # data types
 chrono = { version = "0.4.31", features = ["serde"] }
 either = "1.9.0"

Cargo.toml

@@ -23,3 +23,6 @@ thiserror.workspace = true
 toml_edit.workspace = true
 url.workspace = true
 validator.workspace = true
+
+[dev-dependencies]
+serde_test.workspace = true

src/core/Cargo.toml

@@ -91,8 +91,36 @@ impl Validate for Auth {
       if self.jwt_key.len() > Self::MAX_JWT_KEY_LENGTH {
         jwt_errs.insert("JWT secret key is too big");
       }
+
+      let has_valid_chars = self
+        .jwt_key
+        .chars()
+        .any(|v| v.is_alphabetic() || matches!(v, '!' | '@' | '#' | '$' | '%' | '^' | '&' | '*'));
+
+      if !has_valid_chars {
+        jwt_errs
+          .insert("JWT secret key must contain alphabetic and ASCII-compatible symbol characters");
+      }
       fields.insert("jwt_key", jwt_errs.build());
     }
     fields.build().into_result()
   }
 }
+
+#[cfg(test)]
+mod tests {
+  use super::Auth;
+  use validator::Validate;
+
+  #[test]
+  fn test_generated_jwt_key() {
+    let key = Auth::generate_jwt_key();
+    assert!(
+      key.len() == Auth::MIN_JWT_KEY_LENGTH,
+      "Generated key is not equal to the minimum JWT key length"
+    );
+
+    let auth = Auth::default();
+    assert_eq!(auth.validate(), Ok(()));
+  }
+}

src/core/src/config/auth.rs

@@ -157,3 +157,21 @@ impl DbPoolConfig {
     accepted
   }
 }
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+  use std::hint::black_box;
+
+  #[test]
+  fn test_consts_not_crashing() {
+    black_box(DbPoolConfig::default_pool_size().get());
+    black_box(DbPoolConfig::default_pool_timeout_secs().get());
+  }
+
+  #[test]
+  fn test_validate_pg_url() {
+    assert!(DbPoolConfig::validate_pg_url("postgres://hello.world"));
+    assert!(!DbPoolConfig::validate_pg_url("hello.world"));
+  }
+}

src/core/src/config/database.rs

@@ -205,8 +205,8 @@ impl Server {
         overriden = true;
         auth["jwt_key"] = toml_edit::value(&*self.auth.jwt_key);
         auth.key_decor_mut("jwt_key")
-                    .unwrap()
-                    .set_prefix("# Automatically generated by Whim. Any changes to the key\n# will result all users' crediential tokens will be invalid.\n");
+          .unwrap()
+          .set_prefix("# Automatically generated by Whim. Any changes to the key\n# will result all users' crediential tokens will be invalid.\n");
       }
     }
     overriden