add list books route

src/http_app/routes/api/books.py

@@ -1,5 +1,5 @@
 from fastapi import APIRouter, status
-from pydantic import BaseModel, ConfigDict
+from pydantic import BaseModel, RootModel, ConfigDict
 
 from domains.books import BookService, dto
 
@@ -20,6 +20,27 @@ class CreateBookResponse(BaseModel):
     )
 
 
+class ListBooksResponse(RootModel):
+    root: list[dto.Book]
+    model_config = ConfigDict(
+        json_schema_extra={
+            "example":
+            [
+                {
+                    "title": "The Hitchhiker's Guide to the Galaxy",
+                    "author_name": "Douglas Adams",
+                    "book_id": 123,
+                },
+                {
+                    "title": "Clean Architecture: A Craftsman's Guide to Software Structure and Design",
+                    "author_name": "Robert C. 'Uncle Bob' Martin",
+                    "book_id": 321,
+                },
+            ]
+        }
+    )
+
+
 class CreateBookRequest(BaseModel):
     title: str
     author_name: str
@@ -44,6 +65,12 @@ class CreateBookRequest(BaseModel):
               into the format needed for the proper HTTP Response
 """
 
+@router_v1.get("/", status_code=status.HTTP_200_OK)
+async def list_books() -> ListBooksResponse:
+    book_service = BookService()
+    books = await book_service.list_books()
+    return ListBooksResponse(root=books)
+
 
 @router_v1.post("/", status_code=status.HTTP_201_CREATED)
 async def create_book(

tests/http_app/routes/books/test_list_books.py

@@ -0,0 +1,13 @@
+from fastapi import status
+from fastapi.testclient import TestClient
+
+
+async def test_list_books(testapp):
+    ac = TestClient(app=testapp, base_url="http://test")
+    response = ac.get(
+        "/api/books/v1/"
+    )
+    assert response.status_code == status.HTTP_200_OK
+    assert len(response.json()) == 1
+    assert response.json()[0]['title'] == "The Shining"
+    assert response.json()[0]['author_name'] == "Stephen King"