From 0d888832b45bdee0737b4c28328e02c2b307e3b0 Mon Sep 17 00:00:00 2001 From: Automated Action Date: Thu, 22 May 2025 10:47:24 +0000 Subject: [PATCH] Create simple todo app with FastAPI and SQLite - Set up project structure and FastAPI application - Create database models with SQLAlchemy - Set up Alembic for database migrations - Create API endpoints for todo CRUD operations - Add health check endpoint - Add unit tests for API endpoints - Configure Ruff for linting and formatting --- README.md | 93 ++++++++++- alembic.ini | 105 ++++++++++++ app/__init__.py | 0 app/api/__init__.py | 0 app/api/api.py | 7 + app/api/endpoints/__init__.py | 0 app/api/endpoints/todos.py | 76 +++++++++ app/core/__init__.py | 0 app/core/config.py | 25 +++ app/db/__init__.py | 0 app/db/session.py | 28 ++++ app/models/__init__.py | 1 + app/models/todo.py | 21 +++ app/schemas/__init__.py | 1 + app/schemas/todo.py | 43 +++++ main.py | 29 ++++ migrations/README | 1 + migrations/env.py | 85 ++++++++++ migrations/script.py.mako | 24 +++ migrations/versions/001_create_todos_table.py | 40 +++++ pyproject.toml | 15 ++ requirements.txt | 10 ++ tests/__init__.py | 0 tests/test_api.py | 158 ++++++++++++++++++ 24 files changed, 760 insertions(+), 2 deletions(-) create mode 100644 alembic.ini create mode 100644 app/__init__.py create mode 100644 app/api/__init__.py create mode 100644 app/api/api.py create mode 100644 app/api/endpoints/__init__.py create mode 100644 app/api/endpoints/todos.py create mode 100644 app/core/__init__.py create mode 100644 app/core/config.py create mode 100644 app/db/__init__.py create mode 100644 app/db/session.py create mode 100644 app/models/__init__.py create mode 100644 app/models/todo.py create mode 100644 app/schemas/__init__.py create mode 100644 app/schemas/todo.py create mode 100644 main.py create mode 100644 migrations/README create mode 100644 migrations/env.py create mode 100644 migrations/script.py.mako create mode 100644 migrations/versions/001_create_todos_table.py create mode 100644 pyproject.toml create mode 100644 requirements.txt create mode 100644 tests/__init__.py create mode 100644 tests/test_api.py diff --git a/README.md b/README.md index e8acfba..0c12ce9 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,92 @@ -# FastAPI Application +# Simple Todo App -This is a FastAPI application bootstrapped by BackendIM, the AI-powered backend generation platform. +This is a FastAPI-based Todo application with SQLite as the database backend. The application provides a REST API for managing todo items. + +## Features + +- Create, read, update, and delete todo items +- SQLite database for data persistence +- Alembic for database migrations +- Health check endpoint +- API documentation with Swagger UI and ReDoc + +## Project Structure + +``` +├── alembic.ini # Alembic configuration +├── app # Application package +│ ├── api # API routes +│ │ ├── api.py # Main API router +│ │ └── endpoints # API endpoints +│ │ └── todos.py # Todo endpoints +│ ├── core # Core functionality +│ │ └── config.py # Application configuration +│ ├── db # Database related modules +│ │ └── session.py # Database session management +│ ├── models # SQLAlchemy models +│ │ └── todo.py # Todo model +│ └── schemas # Pydantic schemas +│ └── todo.py # Todo schemas +├── main.py # Application entry point +├── migrations # Alembic migrations +│ ├── env.py # Alembic environment +│ ├── README # Migrations README +│ ├── script.py.mako # Script template +│ └── versions # Migration versions +│ └── 001_create_todos_table.py # Initial migration +├── requirements.txt # Project dependencies +└── tests # Tests + └── test_api.py # API tests +``` + +## Getting Started + +### Prerequisites + +- Python 3.8 or higher + +### Installation + +1. Clone the repository + +2. Install dependencies: + ```bash + pip install -r requirements.txt + ``` + +3. Run database migrations: + ```bash + alembic upgrade head + ``` + +4. Start the application: + ```bash + uvicorn main:app --reload + ``` + +5. Access the API documentation: + - Swagger UI: http://localhost:8000/docs + - ReDoc: http://localhost:8000/redoc + +## API Endpoints + +| Method | Endpoint | Description | +|--------|--------------|--------------------------------------| +| GET | /health | Health check endpoint | +| GET | /todos | Get all todo items | +| GET | /todos/{id} | Get a specific todo item | +| POST | /todos | Create a new todo item | +| PUT | /todos/{id} | Update an existing todo item | +| DELETE | /todos/{id} | Delete a todo item | + +## Testing + +Run tests with pytest: + +```bash +pytest +``` + +## License + +This project is licensed under the MIT License. \ No newline at end of file diff --git a/alembic.ini b/alembic.ini new file mode 100644 index 0000000..bc8ac58 --- /dev/null +++ b/alembic.ini @@ -0,0 +1,105 @@ +# A generic, single database configuration. + +[alembic] +# path to migration scripts +script_location = migrations + +# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s +# Uncomment the line below if you want the files to be prepended with date and time +# see https://alembic.sqlalchemy.org/en/latest/tutorial.html#editing-the-ini-file +# for all available tokens +# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s + +# sys.path path, will be prepended to sys.path if present. +# defaults to the current working directory. +prepend_sys_path = . + +# timezone to use when rendering the date within the migration file +# as well as the filename. +# If specified, requires the python-dateutil library that can be +# installed by adding `alembic[tz]` to the pip requirements +# string value is passed to dateutil.tz.gettz() +# leave blank for localtime +# timezone = + +# max length of characters to apply to the +# "slug" field +# truncate_slug_length = 40 + +# set to 'true' to run the environment during +# the 'revision' command, regardless of autogenerate +# revision_environment = false + +# set to 'true' to allow .pyc and .pyo files without +# a source .py file to be detected as revisions in the +# versions/ directory +# sourceless = false + +# version location specification; This defaults +# to migrations/versions. When using multiple version +# directories, initial revisions must be specified with --version-path. +# The path separator used here should be the separator specified by "version_path_separator" below. +# version_locations = %(here)s/bar:%(here)s/bat:migrations/versions + +# version path separator; As mentioned above, this is the character used to split +# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep. +# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas. +# Valid values for version_path_separator are: +# +# version_path_separator = : +# version_path_separator = ; +# version_path_separator = space +version_path_separator = os # Use os.pathsep. Default configuration used for new projects. + +# the output encoding used when revision files +# are written from script.py.mako +# output_encoding = utf-8 + +# SQLite URL +sqlalchemy.url = sqlite:////app/storage/db/db.sqlite + +[post_write_hooks] +# post_write_hooks defines scripts or Python functions that are run +# on newly generated revision scripts. See the documentation for further +# detail and examples + +# format using "black" - use the console_scripts runner, against the "black" entrypoint +# hooks = black +# black.type = console_scripts +# black.entrypoint = black +# black.options = -l 79 REVISION_SCRIPT_FILENAME + +# Logging configuration +[loggers] +keys = root,sqlalchemy,alembic + +[handlers] +keys = console + +[formatters] +keys = generic + +[logger_root] +level = WARN +handlers = console +qualname = + +[logger_sqlalchemy] +level = WARN +handlers = +qualname = sqlalchemy.engine + +[logger_alembic] +level = INFO +handlers = +qualname = alembic + +[handler_console] +class = StreamHandler +args = (sys.stderr,) +level = NOTSET +formatter = generic + +[formatter_generic] +format = %(levelname)-5.5s [%(name)s] %(message)s +datefmt = %H:%M:%S \ No newline at end of file diff --git a/app/__init__.py b/app/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/__init__.py b/app/api/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/api.py b/app/api/api.py new file mode 100644 index 0000000..bb7a359 --- /dev/null +++ b/app/api/api.py @@ -0,0 +1,7 @@ +from fastapi import APIRouter + +from app.api.endpoints import todos + +api_router = APIRouter() + +api_router.include_router(todos.router, prefix="/todos", tags=["todos"]) diff --git a/app/api/endpoints/__init__.py b/app/api/endpoints/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/api/endpoints/todos.py b/app/api/endpoints/todos.py new file mode 100644 index 0000000..bf6dde7 --- /dev/null +++ b/app/api/endpoints/todos.py @@ -0,0 +1,76 @@ +from typing import List + +from fastapi import APIRouter, Depends, HTTPException, status +from sqlalchemy.orm import Session + +from app.db.session import get_db +from app.models.todo import Todo +from app.schemas.todo import TodoCreate, TodoResponse, TodoUpdate + +router = APIRouter() + + +@router.post("", response_model=TodoResponse, status_code=status.HTTP_201_CREATED) +def create_todo(todo_in: TodoCreate, db: Session = Depends(get_db)) -> TodoResponse: + """Create a new todo item.""" + db_todo = Todo( + title=todo_in.title, + description=todo_in.description, + completed=todo_in.completed, + ) + db.add(db_todo) + db.commit() + db.refresh(db_todo) + return db_todo + + +@router.get("", response_model=List[TodoResponse]) +def read_todos( + skip: int = 0, + limit: int = 100, + db: Session = Depends(get_db), +) -> List[TodoResponse]: + """Read all todo items with pagination.""" + todos = db.query(Todo).offset(skip).limit(limit).all() + return todos + + +@router.get("/{todo_id}", response_model=TodoResponse) +def read_todo(todo_id: int, db: Session = Depends(get_db)) -> TodoResponse: + """Read a specific todo item by ID.""" + db_todo = db.query(Todo).filter(Todo.id == todo_id).first() + if db_todo is None: + raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Todo not found") + return db_todo + + +@router.put("/{todo_id}", response_model=TodoResponse) +def update_todo( + todo_id: int, + todo_in: TodoUpdate, + db: Session = Depends(get_db), +) -> TodoResponse: + """Update a todo item.""" + db_todo = db.query(Todo).filter(Todo.id == todo_id).first() + if db_todo is None: + raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Todo not found") + + update_data = todo_in.model_dump(exclude_unset=True) + for field, value in update_data.items(): + setattr(db_todo, field, value) + + db.commit() + db.refresh(db_todo) + return db_todo + + +@router.delete("/{todo_id}", status_code=status.HTTP_204_NO_CONTENT, response_model=None) +def delete_todo(todo_id: int, db: Session = Depends(get_db)) -> None: + """Delete a todo item.""" + db_todo = db.query(Todo).filter(Todo.id == todo_id).first() + if db_todo is None: + raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Todo not found") + + db.delete(db_todo) + db.commit() + return None diff --git a/app/core/__init__.py b/app/core/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/core/config.py b/app/core/config.py new file mode 100644 index 0000000..3fb7e62 --- /dev/null +++ b/app/core/config.py @@ -0,0 +1,25 @@ +from pathlib import Path + +from pydantic_settings import BaseSettings + + +class Settings(BaseSettings): + """Application settings.""" + + APP_NAME: str = "Simple Todo App" + APP_VERSION: str = "0.1.0" + DEBUG: bool = False + + class Config: + env_file = ".env" + env_file_encoding = "utf-8" + case_sensitive = True + + +settings = Settings() + +# Database setup +DB_DIR = Path("/app") / "storage" / "db" +DB_DIR.mkdir(parents=True, exist_ok=True) + +SQLALCHEMY_DATABASE_URL = f"sqlite:///{DB_DIR}/db.sqlite" diff --git a/app/db/__init__.py b/app/db/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/app/db/session.py b/app/db/session.py new file mode 100644 index 0000000..d15e7b1 --- /dev/null +++ b/app/db/session.py @@ -0,0 +1,28 @@ +from typing import Generator + +from sqlalchemy import create_engine +from sqlalchemy.ext.declarative import declarative_base +from sqlalchemy.orm import Session, sessionmaker + +from app.core.config import SQLALCHEMY_DATABASE_URL + +# Create SQLAlchemy engine +engine = create_engine( + SQLALCHEMY_DATABASE_URL, + connect_args={"check_same_thread": False}, # Needed for SQLite +) + +# Create session factory +SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) + +# Create base class for models +Base = declarative_base() + + +def get_db() -> Generator[Session, None, None]: + """Dependency to get database session.""" + db = SessionLocal() + try: + yield db + finally: + db.close() diff --git a/app/models/__init__.py b/app/models/__init__.py new file mode 100644 index 0000000..18c05be --- /dev/null +++ b/app/models/__init__.py @@ -0,0 +1 @@ +from app.models.todo import Todo # noqa diff --git a/app/models/todo.py b/app/models/todo.py new file mode 100644 index 0000000..a81c76d --- /dev/null +++ b/app/models/todo.py @@ -0,0 +1,21 @@ +from datetime import datetime + +from sqlalchemy import Boolean, Column, DateTime, Integer, String, Text + +from app.db.session import Base + + +class Todo(Base): + """Todo model for database.""" + + __tablename__ = "todos" + + id = Column(Integer, primary_key=True, index=True) + title = Column(String(100), nullable=False) + description = Column(Text, nullable=True) + completed = Column(Boolean, default=False) + created_at = Column(DateTime, default=datetime.utcnow) + updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow) + + def __repr__(self) -> str: + return f"" diff --git a/app/schemas/__init__.py b/app/schemas/__init__.py new file mode 100644 index 0000000..58188f5 --- /dev/null +++ b/app/schemas/__init__.py @@ -0,0 +1 @@ +from app.schemas.todo import TodoBase, TodoCreate, TodoUpdate, TodoInDB, TodoResponse # noqa diff --git a/app/schemas/todo.py b/app/schemas/todo.py new file mode 100644 index 0000000..6a7d662 --- /dev/null +++ b/app/schemas/todo.py @@ -0,0 +1,43 @@ +from datetime import datetime +from typing import Optional + +from pydantic import BaseModel, Field + + +class TodoBase(BaseModel): + """Base schema for Todo.""" + + title: str = Field(..., min_length=1, max_length=100) + description: Optional[str] = None + completed: bool = False + + +class TodoCreate(TodoBase): + """Schema for creating a Todo.""" + + pass + + +class TodoUpdate(BaseModel): + """Schema for updating a Todo.""" + + title: Optional[str] = Field(None, min_length=1, max_length=100) + description: Optional[str] = None + completed: Optional[bool] = None + + +class TodoInDB(TodoBase): + """Schema for Todo stored in DB.""" + + id: int + created_at: datetime + updated_at: datetime + + class Config: + from_attributes = True + + +class TodoResponse(TodoInDB): + """Schema for Todo response.""" + + pass diff --git a/main.py b/main.py new file mode 100644 index 0000000..0f50be9 --- /dev/null +++ b/main.py @@ -0,0 +1,29 @@ +from fastapi import FastAPI +from fastapi.middleware.cors import CORSMiddleware + +from app.api.api import api_router +from app.core.config import settings + +app = FastAPI( + title=settings.APP_NAME, + version=settings.APP_VERSION, + debug=settings.DEBUG, +) + +# Configure CORS +app.add_middleware( + CORSMiddleware, + allow_origins=["*"], # Allows all origins + allow_credentials=True, + allow_methods=["*"], # Allows all methods + allow_headers=["*"], # Allows all headers +) + +# Include API router +app.include_router(api_router) + + +@app.get("/health", tags=["Health"]) +async def health_check() -> dict[str, str]: + """Health check endpoint.""" + return {"status": "ok"} diff --git a/migrations/README b/migrations/README new file mode 100644 index 0000000..3542e0e --- /dev/null +++ b/migrations/README @@ -0,0 +1 @@ +Generic single-database configuration with SQLite. \ No newline at end of file diff --git a/migrations/env.py b/migrations/env.py new file mode 100644 index 0000000..d6065ce --- /dev/null +++ b/migrations/env.py @@ -0,0 +1,85 @@ +import os +import sys +from logging.config import fileConfig + +from alembic import context +from sqlalchemy import engine_from_config, pool + +# Add the parent directory to sys.path +sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))) + +# Import models +from app.db.session import Base +from app.models import Todo # noqa + +# this is the Alembic Config object, which provides +# access to the values within the .ini file in use. +config = context.config + +# Interpret the config file for Python logging. +# This line sets up loggers basically. +fileConfig(config.config_file_name) + +# add your model's MetaData object here +# for 'autogenerate' support +target_metadata = Base.metadata + +# other values from the config, defined by the needs of env.py, +# can be acquired: +# my_important_option = config.get_main_option("my_important_option") +# ... etc. + + +def run_migrations_offline(): + """Run migrations in 'offline' mode. + + This configures the context with just a URL + and not an Engine, though an Engine is acceptable + here as well. By skipping the Engine creation + we don't even need a DBAPI to be available. + + Calls to context.execute() here emit the given string to the + script output. + + """ + url = config.get_main_option("sqlalchemy.url") + context.configure( + url=url, + target_metadata=target_metadata, + literal_binds=True, + dialect_opts={"paramstyle": "named"}, + ) + + with context.begin_transaction(): + context.run_migrations() + + +def run_migrations_online(): + """Run migrations in 'online' mode. + + In this scenario we need to create an Engine + and associate a connection with the context. + + """ + connectable = engine_from_config( + config.get_section(config.config_ini_section), + prefix="sqlalchemy.", + poolclass=pool.NullPool, + ) + + with connectable.connect() as connection: + is_sqlite = connection.dialect.name == "sqlite" + context.configure( + connection=connection, + target_metadata=target_metadata, + render_as_batch=is_sqlite, # Required for SQLite + ) + + with context.begin_transaction(): + context.run_migrations() + + +if context.is_offline_mode(): + run_migrations_offline() +else: + run_migrations_online() diff --git a/migrations/script.py.mako b/migrations/script.py.mako new file mode 100644 index 0000000..1e4564e --- /dev/null +++ b/migrations/script.py.mako @@ -0,0 +1,24 @@ +"""${message} + +Revision ID: ${up_revision} +Revises: ${down_revision | comma,n} +Create Date: ${create_date} + +""" +from alembic import op +import sqlalchemy as sa +${imports if imports else ""} + +# revision identifiers, used by Alembic. +revision = ${repr(up_revision)} +down_revision = ${repr(down_revision)} +branch_labels = ${repr(branch_labels)} +depends_on = ${repr(depends_on)} + + +def upgrade(): + ${upgrades if upgrades else "pass"} + + +def downgrade(): + ${downgrades if downgrades else "pass"} \ No newline at end of file diff --git a/migrations/versions/001_create_todos_table.py b/migrations/versions/001_create_todos_table.py new file mode 100644 index 0000000..158ed6b --- /dev/null +++ b/migrations/versions/001_create_todos_table.py @@ -0,0 +1,40 @@ +"""create todos table + +Revision ID: 001 +Revises: +Create Date: 2023-09-20 + +""" + +import sqlalchemy as sa +from alembic import op + +# revision identifiers, used by Alembic. +revision = "001" +down_revision = None +branch_labels = None +depends_on = None + + +def upgrade(): + op.create_table( + "todos", + sa.Column("id", sa.Integer(), nullable=False), + sa.Column("title", sa.String(length=100), nullable=False), + sa.Column("description", sa.Text(), nullable=True), + sa.Column("completed", sa.Boolean(), default=False), + sa.Column("created_at", sa.DateTime(), default=sa.func.current_timestamp()), + sa.Column( + "updated_at", + sa.DateTime(), + default=sa.func.current_timestamp(), + onupdate=sa.func.current_timestamp(), + ), + sa.PrimaryKeyConstraint("id"), + ) + op.create_index(op.f("ix_todos_id"), "todos", ["id"], unique=False) + + +def downgrade(): + op.drop_index(op.f("ix_todos_id"), table_name="todos") + op.drop_table("todos") diff --git a/pyproject.toml b/pyproject.toml new file mode 100644 index 0000000..ff13123 --- /dev/null +++ b/pyproject.toml @@ -0,0 +1,15 @@ +[tool.ruff] +line-length = 100 +target-version = "py38" + +[tool.ruff.lint] +select = ["E", "F", "B", "I", "N", "UP", "ANN", "S", "A", "COM"] +ignore = ["ANN101", "ANN102", "S101", "B008", "ANN201", "ANN204"] + +[tool.ruff.lint.isort] +known-first-party = ["app"] + +[tool.ruff.format] +quote-style = "double" +indent-style = "space" +line-ending = "auto" \ No newline at end of file diff --git a/requirements.txt b/requirements.txt new file mode 100644 index 0000000..878b265 --- /dev/null +++ b/requirements.txt @@ -0,0 +1,10 @@ +fastapi>=0.103.1 +uvicorn>=0.23.2 +sqlalchemy>=2.0.20 +alembic>=1.12.0 +pydantic>=2.3.0 +pydantic-settings>=2.0.3 +python-dotenv>=1.0.0 +ruff>=0.0.290 +pytest>=7.4.2 +httpx>=0.24.1 \ No newline at end of file diff --git a/tests/__init__.py b/tests/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/tests/test_api.py b/tests/test_api.py new file mode 100644 index 0000000..db57511 --- /dev/null +++ b/tests/test_api.py @@ -0,0 +1,158 @@ +from fastapi.testclient import TestClient + +from app.db.session import Base, engine +from main import app + +# Create test client +client = TestClient(app) + + +def test_health_check(): + """Test health check endpoint.""" + response = client.get("/health") + assert response.status_code == 200 + assert response.json() == {"status": "ok"} + + +def test_create_todo(): + """Test creating a todo item.""" + # Create test database tables + Base.metadata.create_all(bind=engine) + + # Define test data + test_todo = { + "title": "Test Todo", + "description": "This is a test todo", + "completed": False, + } + + # Send POST request + response = client.post("/todos", json=test_todo) + + # Check response + assert response.status_code == 201 + data = response.json() + assert data["title"] == test_todo["title"] + assert data["description"] == test_todo["description"] + assert data["completed"] == test_todo["completed"] + assert "id" in data + assert "created_at" in data + assert "updated_at" in data + + # Cleanup test data + client.delete(f"/todos/{data['id']}") + + +def test_read_todos(): + """Test reading all todo items.""" + # Create test database tables + Base.metadata.create_all(bind=engine) + + # Create a test todo item + test_todo = { + "title": "Test Todo for Reading", + "description": "This is a test todo for reading", + "completed": False, + } + create_response = client.post("/todos", json=test_todo) + created_todo = create_response.json() + + # Send GET request + response = client.get("/todos") + + # Check response + assert response.status_code == 200 + assert isinstance(response.json(), list) + + # Cleanup test data + client.delete(f"/todos/{created_todo['id']}") + + +def test_read_todo(): + """Test reading a specific todo item.""" + # Create test database tables + Base.metadata.create_all(bind=engine) + + # Create a test todo item + test_todo = { + "title": "Test Todo for Reading One", + "description": "This is a test todo for reading one", + "completed": False, + } + create_response = client.post("/todos", json=test_todo) + created_todo = create_response.json() + + # Send GET request + response = client.get(f"/todos/{created_todo['id']}") + + # Check response + assert response.status_code == 200 + data = response.json() + assert data["id"] == created_todo["id"] + assert data["title"] == test_todo["title"] + assert data["description"] == test_todo["description"] + assert data["completed"] == test_todo["completed"] + + # Cleanup test data + client.delete(f"/todos/{created_todo['id']}") + + +def test_update_todo(): + """Test updating a todo item.""" + # Create test database tables + Base.metadata.create_all(bind=engine) + + # Create a test todo item + test_todo = { + "title": "Test Todo for Updating", + "description": "This is a test todo for updating", + "completed": False, + } + create_response = client.post("/todos", json=test_todo) + created_todo = create_response.json() + + # Define update data + update_data = { + "title": "Updated Test Todo", + "completed": True, + } + + # Send PUT request + response = client.put(f"/todos/{created_todo['id']}", json=update_data) + + # Check response + assert response.status_code == 200 + data = response.json() + assert data["id"] == created_todo["id"] + assert data["title"] == update_data["title"] + assert data["description"] == test_todo["description"] # Should remain unchanged + assert data["completed"] == update_data["completed"] + + # Cleanup test data + client.delete(f"/todos/{created_todo['id']}") + + +def test_delete_todo(): + """Test deleting a todo item.""" + # Create test database tables + Base.metadata.create_all(bind=engine) + + # Create a test todo item + test_todo = { + "title": "Test Todo for Deleting", + "description": "This is a test todo for deleting", + "completed": False, + } + create_response = client.post("/todos", json=test_todo) + created_todo = create_response.json() + + # Send DELETE request + response = client.delete(f"/todos/{created_todo['id']}") + + # Check response + assert response.status_code == 204 + assert response.content == b"" # No content should be returned + + # Verify the todo is deleted + get_response = client.get(f"/todos/{created_todo['id']}") + assert get_response.status_code == 404