Add unit tests for models and services

- Implemented unit tests for the Package model, covering methods such as generateId, findById, findByName, and version management.
- Created unit tests for the Repository model, including repository creation, name validation, and retrieval methods.
- Added tests for the Session model, focusing on session creation, validation, and invalidation.
- Developed unit tests for the User model, ensuring user creation, password hashing, and retrieval methods function correctly.
- Implemented AuthService tests, validating login, token refresh, and session management.
- Added TokenService tests, covering token creation, validation, and revocation processes.

test/docker-compose.test.yml

@@ -0,0 +1,48 @@
+version: "3.8"
+
+services:
+  mongodb-test:
+    image: mongo:7
+    container_name: stack-gallery-test-mongo
+    ports:
+      - "27117:27017"
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: testadmin
+      MONGO_INITDB_ROOT_PASSWORD: testpass
+    tmpfs:
+      - /data/db
+    healthcheck:
+      test: ["CMD", "mongosh", "--eval", "db.adminCommand('ping')"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  minio-test:
+    image: minio/minio:latest
+    container_name: stack-gallery-test-minio
+    ports:
+      - "9100:9000"
+      - "9101:9001"
+    environment:
+      MINIO_ROOT_USER: testadmin
+      MINIO_ROOT_PASSWORD: testpassword
+    command: server /data --console-address ":9001"
+    tmpfs:
+      - /data
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:9000/minio/health/live"]
+      interval: 5s
+      timeout: 5s
+      retries: 5
+
+  minio-setup:
+    image: minio/mc:latest
+    depends_on:
+      minio-test:
+        condition: service_healthy
+    entrypoint: >
+      /bin/sh -c "
+      mc alias set testminio http://minio-test:9000 testadmin testpassword;
+      mc mb testminio/test-registry --ignore-existing;
+      exit 0;
+      "