Initial SFERA platform baseline

packages/collaboration/tests/test_collaboration.py

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+from collaboration import ChangeSession, Comment, InMemoryCollaborationStore, Ownership, Task, User
+
+
+def test_start_session_requires_known_task_and_user():
+    store = InMemoryCollaborationStore()
+    store.upsert_user(User(user_id="user.1", display_name="Tester"))
+    store.upsert_task(Task(task_id="task.1", project_id="demo", title="Index project"))
+
+    session = store.start_session(
+        ChangeSession(session_id="session.1", task_id="task.1", user_id="user.1")
+    )
+
+    assert session.session_id == "session.1"
+
+
+def test_finish_session_sets_finished_at_once():
+    store = InMemoryCollaborationStore()
+    store.upsert_user(User(user_id="user.1", display_name="Tester"))
+    store.upsert_task(Task(task_id="task.1", project_id="demo", title="Index project"))
+    store.start_session(ChangeSession(session_id="session.1", task_id="task.1", user_id="user.1"))
+
+    finished = store.finish_session("session.1")
+    finished_again = store.finish_session("session.1")
+
+    assert finished.finished_at is not None
+    assert finished_again.finished_at == finished.finished_at
+
+
+def test_assign_owner_is_project_and_target_scoped():
+    store = InMemoryCollaborationStore()
+    store.upsert_user(User(user_id="user.1", display_name="Tester"))
+
+    ownership = store.assign_owner(
+        Ownership(
+            owner_user_id="user.1",
+            project_id="demo",
+            target_id="lineage.document.order",
+            role="RESPONSIBLE",
+        )
+    )
+
+    assert ownership.owner_user_id == "user.1"
+    assert store.owners_for_project("demo") == [ownership]
+    assert store.owners_for_target("demo", "lineage.document.order") == [ownership]
+
+
+def test_add_comment_is_project_and_target_scoped():
+    store = InMemoryCollaborationStore()
+    store.upsert_user(User(user_id="user.1", display_name="Tester"))
+
+    comment = store.add_comment(
+        Comment(
+            comment_id="comment.1",
+            project_id="demo",
+            target_id="lineage.document.order",
+            user_id="user.1",
+            body="Check posting rules.",
+        )
+    )
+
+    assert store.comments_for_project("demo") == [comment]
+    assert store.comments_for_target("demo", "lineage.document.order") == [comment]