init

crates/application/tests/entry/replace_activity_test.rs

@@ -0,0 +1,71 @@
+use std::sync::Arc;
+
+use domain::activity::ActivityId;
+use domain::ports::ActivityCommandPort;
+use domain::testing::{InMemoryStore, test_activity, test_user};
+use domain::user::UserId;
+
+use application::entry::use_cases::replace_activity;
+
+#[tokio::test]
+async fn replaces_activity_on_entries() {
+    let store = Arc::new(InMemoryStore::new());
+    let user = test_user("alice");
+    let old = test_activity(user.id().clone(), "gaming");
+    let new = test_activity(user.id().clone(), "video games");
+    store.save(&old).await.unwrap();
+    store.save(&new).await.unwrap();
+
+    let deps = replace_activity::Deps {
+        entry_command: store.clone(),
+        activity_query: store.clone(),
+    };
+
+    let result =
+        replace_activity::execute(user.id().clone(), old.id().clone(), new.id().clone(), &deps)
+            .await;
+    assert!(result.is_ok());
+}
+
+#[tokio::test]
+async fn rejects_nonexistent_target_activity() {
+    let store = Arc::new(InMemoryStore::new());
+    let user = test_user("alice");
+
+    let deps = replace_activity::Deps {
+        entry_command: store.clone(),
+        activity_query: store.clone(),
+    };
+
+    let result = replace_activity::execute(
+        user.id().clone(),
+        ActivityId::generate(),
+        ActivityId::generate(),
+        &deps,
+    )
+    .await;
+    assert!(result.is_err());
+}
+
+#[tokio::test]
+async fn rejects_target_owned_by_different_user() {
+    let store = Arc::new(InMemoryStore::new());
+    let alice = test_user("alice");
+    let bob = test_user("bob");
+    let bobs_activity = test_activity(bob.id().clone(), "gaming");
+    store.save(&bobs_activity).await.unwrap();
+
+    let deps = replace_activity::Deps {
+        entry_command: store.clone(),
+        activity_query: store.clone(),
+    };
+
+    let result = replace_activity::execute(
+        alice.id().clone(),
+        ActivityId::generate(),
+        bobs_activity.id().clone(),
+        &deps,
+    )
+    .await;
+    assert!(result.is_err());
+}