API: compteur de consommation SQLite asynchrone (#78)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/api/conftest.py

@@ -19,12 +19,13 @@ def api_client(monkeypatch, tmp_path):
     monkeypatch.setenv("USERS_DB_PATH", str(db_path))
     from flask import Flask
 
-    from src.api import init_api, tokens_db
+    from src.api import init_api, tokens_db, tracking
 
     tokens_db.init_schema(db_path)
     server = Flask(__name__)
     init_api(server)
-    return server.test_client(), db_path
+    yield server.test_client(), db_path
+    tracking.stop_worker()
 
 
 @pytest.fixture

tests/api/test_tracking.py

@@ -0,0 +1,36 @@
+from src.api import tokens_db, tracking
+
+
+def test_counter_worker_increments_count(temp_db):
+    _, token_id = tokens_db.create_token(temp_db, "x")
+
+    tracking.start_worker(str(temp_db))
+    try:
+        tracking.enqueue_counter_update(token_id)
+        tracking.enqueue_counter_update(token_id)
+        # Laisser le worker drainer la queue
+        tracking.flush(timeout=2.0)
+    finally:
+        tracking.stop_worker()
+
+    rows = tokens_db.list_tokens(temp_db)
+    assert rows[0]["count_total"] == 2
+    assert rows[0]["last_used_at"] is not None
+
+
+def test_after_request_hook_increments_counter_async(api_client, valid_token_header):
+    client, db_path = api_client
+    # Récupérer le token_id du token créé par la fixture
+    from src.api import tokens_db, tracking
+
+    rows = tokens_db.list_tokens(db_path)
+    assert len(rows) == 1  # vérification du token créé par la fixture
+
+    # Faire une requête (qui doit déclencher l'incrément)
+    client.get("/api/v1/health")  # pas authentifiée → ne compte pas
+    client.get("/api/v1/schema", headers=valid_token_header)
+
+    tracking.flush(timeout=2.0)
+
+    rows = tokens_db.list_tokens(db_path)
+    assert rows[0]["count_total"] == 1