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tests/unit/services/messaging/persist.py

@@ -4,7 +4,24 @@ from datetime import datetime, timezone
 
 from devplacepy.database import get_table
 from devplacepy.utils import generate_uid
-from devplacepy.services.messaging.persist import stamp_content_revision
+from devplacepy.services.messaging.persist import persist_message, stamp_content_revision
+
+
+def _make_user(prefix):
+    uid = generate_uid()
+    get_table("users").insert(
+        {
+            "uid": uid,
+            "username": f"{prefix}_{uid[:8]}",
+            "email": f"{uid[:8]}@{prefix}.test",
+            "terms_version": "1",
+        }
+    )
+    return uid
+
+
+def _sender(uid):
+    return {"uid": uid, "username": "sender", "role": "Member"}
 
 
 def test_stamp_content_revision_sets_updated_at(local_db):
@@ -26,3 +43,84 @@ def test_stamp_content_revision_sets_updated_at(local_db):
     stored = get_table("messages").find_one(uid=uid)
     assert stored["updated_at"] == row["updated_at"]
     assert stored["content"] == "hello"
+
+
+def test_persist_message_dedupes_same_sender_and_client_id(local_db):
+    sender_uid = _make_user("dedupe_sender")
+    receiver_uid = _make_user("dedupe_receiver")
+    sender = _sender(sender_uid)
+    client_id = f"cid-{generate_uid()}"
+
+    first = persist_message(sender, receiver_uid, "hello once", client_id=client_id)
+    assert first is not None
+
+    second = persist_message(sender, receiver_uid, "hello once", client_id=client_id)
+    assert second is not None
+    assert second["uid"] == first["uid"]
+
+    rows = list(
+        get_table("messages").find(sender_uid=sender_uid, receiver_uid=receiver_uid)
+    )
+    assert len(rows) == 1
+
+
+def test_persist_message_does_not_dedupe_without_client_id(local_db):
+    sender_uid = _make_user("nodedupe_sender")
+    receiver_uid = _make_user("nodedupe_receiver")
+    sender = _sender(sender_uid)
+
+    first = persist_message(sender, receiver_uid, "no client id here")
+    second = persist_message(sender, receiver_uid, "no client id here")
+    assert first["uid"] != second["uid"]
+
+    rows = list(
+        get_table("messages").find(sender_uid=sender_uid, receiver_uid=receiver_uid)
+    )
+    assert len(rows) == 2
+
+
+def test_persist_message_does_not_dedupe_a_different_client_id(local_db):
+    sender_uid = _make_user("diffid_sender")
+    receiver_uid = _make_user("diffid_receiver")
+    sender = _sender(sender_uid)
+
+    first = persist_message(sender, receiver_uid, "a", client_id="cid-a")
+    second = persist_message(sender, receiver_uid, "b", client_id="cid-b")
+    assert first["uid"] != second["uid"]
+
+
+def test_persist_message_suppresses_notification_when_receiver_is_actively_viewing(local_db):
+    sender_uid = _make_user("active_sender")
+    receiver_uid = _make_user("active_receiver")
+    sender = _sender(sender_uid)
+
+    get_table("users").update(
+        {
+            "uid": receiver_uid,
+            "active_conversation_uid": sender_uid,
+            "active_conversation_at": datetime.now(timezone.utc).isoformat(),
+        },
+        ["uid"],
+    )
+
+    result = persist_message(sender, receiver_uid, "are you watching?", client_id="cid-watch")
+    assert result is not None
+
+    notifications = list(
+        get_table("notifications").find(user_uid=receiver_uid, type="message")
+    )
+    assert notifications == []
+
+
+def test_persist_message_notifies_when_receiver_is_not_actively_viewing(local_db):
+    sender_uid = _make_user("inactive_sender")
+    receiver_uid = _make_user("inactive_receiver")
+    sender = _sender(sender_uid)
+
+    result = persist_message(sender, receiver_uid, "hello there", client_id="cid-plain")
+    assert result is not None
+
+    notifications = list(
+        get_table("notifications").find(user_uid=receiver_uid, type="message")
+    )
+    assert len(notifications) == 1