feat: add GET /group/{group_id} endpoint

src/crud.py

@@ -37,3 +37,7 @@ def get_groups_by_owner_id(db: Session, owner_id: int):
         .limit(100)
         .all()
     )
+
+
+def get_group_by_id(db: Session, group_id: int):
+    return db.query(models.Group).filter(models.Group.id == group_id).first()

src/main.py

@@ -76,3 +76,13 @@ def create_group(group: schemas.GroupCreate, db: DbDependency, user: UserDepende
 @app.get("/group")
 def list_groups(db: DbDependency, user: UserDependency):
     return crud.get_groups_by_owner_id(db, user.id)
+
+
+@app.get("/group/{group_id}")
+def list_groups(db: DbDependency, user: UserDependency, group_id: int):
+    group = crud.get_group_by_id(db, group_id)
+    if group is None or group.owner_id != user.id:
+        return HTTPException(
+            status_code=HTTPStatus.NOT_FOUND, detail="Grupo inexistente"
+        )
+    return group

src/test_main.py

@@ -6,8 +6,10 @@
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy.pool import StaticPool
 
-from .database import Base, SQLALCHEMY_DATABASE_URL
+
 from .main import app, get_db
+from .database import Base, SQLALCHEMY_DATABASE_URL
+from . import schemas
 
 
 engine = create_engine(SQLALCHEMY_DATABASE_URL, poolclass=StaticPool)
@@ -151,14 +153,26 @@ def some_group(client: TestClient, some_user_id: int):
     response_body = response.json()
     assert "id" in response_body
     assert response_body["owner_id"] == some_user_id
-    return response_body
+    return schemas.Group(**response_body)
 
 
-def test_create_group(client: TestClient, some_group: int):
+def test_create_group(client: TestClient, some_group: schemas.Group):
     # NOTE: test is inside fixture
     pass
 
 
+def test_get_created_group(
+    client: TestClient, some_group: schemas.Group, some_user_id: int
+):
+    response = client.get(
+        url=f"/group/{some_group.id}",
+        headers={"x-user": str(some_user_id)},
+    )
+
+    assert response.status_code == HTTPStatus.OK
+    assert response.json() == some_group.model_dump()
+
+
 def test_create_group_for_invalid_user(client: TestClient):
     first_response = client.post(
         url="/group",
@@ -170,12 +184,12 @@ def test_create_group_for_invalid_user(client: TestClient):
 
 
 def test_get_newly_created_group(
-    client: TestClient, some_user_id: int, some_group: int
+    client: TestClient, some_user_id: int, some_group: schemas.Group
 ):
     response = client.get(
         url="/group",
         headers={"x-user": str(some_user_id)},
     )
 
     assert response.status_code == HTTPStatus.OK
-    assert response.json() == [some_group]
+    assert response.json() == [some_group.model_dump()]