refactor: move inline tests to separate files via #[path]

crates/adapters/nats/src/config.rs

@@ -39,63 +39,5 @@ impl NatsConfig {
 }
 
 #[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn errors_without_nats_url() {
-        unsafe { std::env::remove_var("NATS_URL"); }
-        assert!(NatsConfig::from_env().is_err());
-    }
-
-    #[test]
-    fn defaults_with_only_url() {
-        unsafe {
-            std::env::set_var("NATS_URL", "nats://localhost:4222");
-            std::env::remove_var("NATS_MODE");
-            std::env::remove_var("NATS_SUBJECT_PREFIX");
-            std::env::remove_var("NATS_STREAM_NAME");
-            std::env::remove_var("NATS_CONSUMER_NAME");
-        }
-
-        let cfg = NatsConfig::from_env().unwrap();
-        assert_eq!(cfg.url, "nats://localhost:4222");
-        assert_eq!(cfg.mode, NatsMode::JetStream);
-        assert_eq!(cfg.subject_prefix, "movies-diary.events");
-        assert_eq!(cfg.stream_name, "MOVIES_DIARY_EVENTS");
-        assert_eq!(cfg.consumer_name, "worker");
-
-        unsafe { std::env::remove_var("NATS_URL"); }
-    }
-
-    #[test]
-    fn core_mode_parsed() {
-        unsafe {
-            std::env::set_var("NATS_URL", "nats://test:4222");
-            std::env::set_var("NATS_MODE", "core");
-        }
-
-        let cfg = NatsConfig::from_env().unwrap();
-        assert_eq!(cfg.mode, NatsMode::Core);
-
-        unsafe {
-            std::env::remove_var("NATS_URL");
-            std::env::remove_var("NATS_MODE");
-        }
-    }
-
-    #[test]
-    fn invalid_mode_errors() {
-        unsafe {
-            std::env::set_var("NATS_URL", "nats://test:4222");
-            std::env::set_var("NATS_MODE", "kafka");
-        }
-
-        assert!(NatsConfig::from_env().is_err());
-
-        unsafe {
-            std::env::remove_var("NATS_URL");
-            std::env::remove_var("NATS_MODE");
-        }
-    }
-}
+#[path = "tests/config.rs"]
+mod tests;

crates/adapters/nats/src/subject.rs

@@ -19,63 +19,5 @@ pub fn consumer_subject_filter(prefix: &str) -> String {
 }
 
 #[cfg(test)]
-mod tests {
-    use super::*;
-    use chrono::NaiveDateTime;
-    use domain::value_objects::{ExternalMetadataId, MovieId, Rating, ReviewId, UserId};
-    use uuid::Uuid;
-
-    fn dt() -> NaiveDateTime {
-        chrono::DateTime::from_timestamp(1_700_000_000, 0).unwrap().naive_utc()
-    }
-
-    #[test]
-    fn review_logged_subject() {
-        let event = DomainEvent::ReviewLogged {
-            review_id: ReviewId::from_uuid(Uuid::new_v4()),
-            movie_id: MovieId::from_uuid(Uuid::new_v4()),
-            user_id: UserId::from_uuid(Uuid::new_v4()),
-            rating: Rating::new(3).unwrap(),
-            watched_at: dt(),
-        };
-        assert_eq!(
-            event_to_subject("movies-diary.events", &event),
-            "movies-diary.events.review.logged"
-        );
-    }
-
-    #[test]
-    fn review_updated_subject() {
-        let event = DomainEvent::ReviewUpdated {
-            review_id: ReviewId::from_uuid(Uuid::new_v4()),
-            movie_id: MovieId::from_uuid(Uuid::new_v4()),
-            user_id: UserId::from_uuid(Uuid::new_v4()),
-            rating: Rating::new(5).unwrap(),
-            watched_at: dt(),
-        };
-        assert_eq!(
-            event_to_subject("movies-diary.events", &event),
-            "movies-diary.events.review.updated"
-        );
-    }
-
-    #[test]
-    fn movie_discovered_subject() {
-        let event = DomainEvent::MovieDiscovered {
-            movie_id: MovieId::from_uuid(Uuid::new_v4()),
-            external_metadata_id: ExternalMetadataId::new("tt0000001".into()).unwrap(),
-        };
-        assert_eq!(
-            event_to_subject("movies-diary.events", &event),
-            "movies-diary.events.movie.discovered"
-        );
-    }
-
-    #[test]
-    fn consumer_subject_filter_appends_wildcard() {
-        assert_eq!(
-            consumer_subject_filter("movies-diary.events"),
-            "movies-diary.events.>"
-        );
-    }
-}
+#[path = "tests/subject.rs"]
+mod tests;

crates/adapters/nats/src/tests/config.rs

@@ -0,0 +1,58 @@
+use super::*;
+
+#[test]
+fn errors_without_nats_url() {
+    unsafe { std::env::remove_var("NATS_URL"); }
+    assert!(NatsConfig::from_env().is_err());
+}
+
+#[test]
+fn defaults_with_only_url() {
+    unsafe {
+        std::env::set_var("NATS_URL", "nats://localhost:4222");
+        std::env::remove_var("NATS_MODE");
+        std::env::remove_var("NATS_SUBJECT_PREFIX");
+        std::env::remove_var("NATS_STREAM_NAME");
+        std::env::remove_var("NATS_CONSUMER_NAME");
+    }
+
+    let cfg = NatsConfig::from_env().unwrap();
+    assert_eq!(cfg.url, "nats://localhost:4222");
+    assert_eq!(cfg.mode, NatsMode::JetStream);
+    assert_eq!(cfg.subject_prefix, "movies-diary.events");
+    assert_eq!(cfg.stream_name, "MOVIES_DIARY_EVENTS");
+    assert_eq!(cfg.consumer_name, "worker");
+
+    unsafe { std::env::remove_var("NATS_URL"); }
+}
+
+#[test]
+fn core_mode_parsed() {
+    unsafe {
+        std::env::set_var("NATS_URL", "nats://test:4222");
+        std::env::set_var("NATS_MODE", "core");
+    }
+
+    let cfg = NatsConfig::from_env().unwrap();
+    assert_eq!(cfg.mode, NatsMode::Core);
+
+    unsafe {
+        std::env::remove_var("NATS_URL");
+        std::env::remove_var("NATS_MODE");
+    }
+}
+
+#[test]
+fn invalid_mode_errors() {
+    unsafe {
+        std::env::set_var("NATS_URL", "nats://test:4222");
+        std::env::set_var("NATS_MODE", "kafka");
+    }
+
+    assert!(NatsConfig::from_env().is_err());
+
+    unsafe {
+        std::env::remove_var("NATS_URL");
+        std::env::remove_var("NATS_MODE");
+    }
+}

crates/adapters/nats/src/tests/subject.rs

@@ -0,0 +1,58 @@
+use super::*;
+use chrono::NaiveDateTime;
+use domain::value_objects::{ExternalMetadataId, MovieId, Rating, ReviewId, UserId};
+use uuid::Uuid;
+
+fn dt() -> NaiveDateTime {
+    chrono::DateTime::from_timestamp(1_700_000_000, 0).unwrap().naive_utc()
+}
+
+#[test]
+fn review_logged_subject() {
+    let event = DomainEvent::ReviewLogged {
+        review_id: ReviewId::from_uuid(Uuid::new_v4()),
+        movie_id: MovieId::from_uuid(Uuid::new_v4()),
+        user_id: UserId::from_uuid(Uuid::new_v4()),
+        rating: Rating::new(3).unwrap(),
+        watched_at: dt(),
+    };
+    assert_eq!(
+        event_to_subject("movies-diary.events", &event),
+        "movies-diary.events.review.logged"
+    );
+}
+
+#[test]
+fn review_updated_subject() {
+    let event = DomainEvent::ReviewUpdated {
+        review_id: ReviewId::from_uuid(Uuid::new_v4()),
+        movie_id: MovieId::from_uuid(Uuid::new_v4()),
+        user_id: UserId::from_uuid(Uuid::new_v4()),
+        rating: Rating::new(5).unwrap(),
+        watched_at: dt(),
+    };
+    assert_eq!(
+        event_to_subject("movies-diary.events", &event),
+        "movies-diary.events.review.updated"
+    );
+}
+
+#[test]
+fn movie_discovered_subject() {
+    let event = DomainEvent::MovieDiscovered {
+        movie_id: MovieId::from_uuid(Uuid::new_v4()),
+        external_metadata_id: ExternalMetadataId::new("tt0000001".into()).unwrap(),
+    };
+    assert_eq!(
+        event_to_subject("movies-diary.events", &event),
+        "movies-diary.events.movie.discovered"
+    );
+}
+
+#[test]
+fn consumer_subject_filter_appends_wildcard() {
+    assert_eq!(
+        consumer_subject_filter("movies-diary.events"),
+        "movies-diary.events.>"
+    );
+}