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feat: T03 backend core – FastAPI + DB models + Equipment API + Redis cache + health + tests

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- FastAPI app with CORS, lifespan handlers
- Pydantic Settings config (DB, Redis, CORS, SMTP, JWT, Rentman)
- SQLAlchemy async engine + session (DeclarativeBase)
- 6 DB models: EquipmentCache, RentalRequest, RentalRequestItem, Contact, AdminUser, SyncLog
- Pydantic schemas: EquipmentItem, EquipmentDetail, PaginatedEquipment, ContactCreate, ContactResponse
- Redis cache helper: set/get/delete_pattern, rate limiting, equipment key builders
- Equipment router: list (search/category/sort/pagination), detail, categories – all cached
- Contact router: POST with Pydantic validation + rate limiting (5/min)
- Health router: GET /api/health with DB + Redis status
- 28 pytest tests (all pass, 90% coverage)
- Dockerfile, requirements.txt, pytest.ini, test_report.md
This commit is contained in:
A0 Implementation Engineer
2026-07-09 01:26:45 +02:00
parent 3bfa54b4b3
commit e62ece1c06
29 changed files with 1251 additions and 0 deletions
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backend/Dockerfile
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FROM python:3.12-slim
WORKDIR /app
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
COPY . .
EXPOSE 8000
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
backend/app/__init__.py
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backend/app/cache.py
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"""Redis cache helper for equipment data and rate limiting."""
import json
import logging
from typing import Any
import redis.asyncio as redis
from app.config import settings
logger = logging.getLogger(__name__)
_cache_client: redis.Redis | None = None
def _build_key(*parts: str) -> str:
"""Build a colon-separated Redis key."""
return ":".join(part.replace(":", "_") for part in parts)
async def get_cache() -> redis.Redis:
"""Return the Redis client singleton, creating it on first use."""
global _cache_client
if _cache_client is None:
_cache_client = redis.from_url(settings.REDIS_URL, decode_responses=True)
return _cache_client
async def set_cache(key: str, value: Any, ttl: int = 3600) -> None:
"""Store a JSON-serialisable value in Redis with a TTL."""
try:
client = await get_cache()
await client.setex(key, ttl, json.dumps(value))
except Exception as exc: # noqa: BLE001
logger.warning("Cache set failed for key=%s: %s", key, exc)
async def get_cached(key: str) -> Any | None:
"""Retrieve and JSON-deserialise a cached value."""
try:
client = await get_cache()
raw = await client.get(key)
if raw is None:
return None
return json.loads(raw)
except Exception as exc: # noqa: BLE001
logger.warning("Cache get failed for key=%s: %s", key, exc)
return None
async def delete_pattern(pattern: str) -> None:
"""Delete all keys matching a glob pattern."""
try:
client = await get_cache()
async for key in client.scan_iter(match=pattern, count=100):
await client.delete(key)
except Exception as exc: # noqa: BLE001
logger.warning("Cache delete_pattern failed for pattern=%s: %s", pattern, exc)
async def check_rate_limit(identifier: str, max_requests: int = 5, window: int = 60) -> bool:
"""Return True if the identifier is within the rate limit."""
try:
client = await get_cache()
key = _build_key("rate", identifier)
count = await client.incr(key)
if count == 1:
await client.expire(key, window)
return count <= max_requests
except Exception as exc: # noqa: BLE001
logger.warning("Rate limit check failed: %s", exc)
return True
async def ping_cache() -> bool:
"""Check if Redis is reachable."""
try:
client = await get_cache()
return bool(await client.ping())
except Exception:
return False
def equipment_list_key(page: int, category: str | None, sort: str | None, search: str | None) -> str:
"""Build the Redis cache key for an equipment list query."""
cat = category or "all"
srt = sort or "default"
srch = search or "all"
return _build_key("equipment", "list", str(page), cat, srt, srch)
def equipment_detail_key(item_id: int) -> str:
"""Build the Redis cache key for an equipment detail."""
return _build_key("equipment", "detail", str(item_id))
def equipment_categories_key() -> str:
"""Build the Redis cache key for the equipment categories list."""
return _build_key("equipment", "categories")
backend/app/config.py
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"""Application configuration via Pydantic Settings."""
from pydantic_settings import BaseSettings, SettingsConfigDict
class Settings(BaseSettings):
"""Settings loaded from environment variables."""
model_config = SettingsConfigDict(env_file=".env", extra="ignore")
# Database
DATABASE_URL: str = "postgresql+asyncpg://hms:hms@localhost:5432/hms"
# Redis
REDIS_URL: str = "redis://localhost:6379/0"
# CORS
CORS_ORIGINS: str = "https://hms.media-on.de,http://localhost:3000"
# Rentman
RENTMAN_API_TOKEN: str = ""
# Auth
JWT_SECRET: str = "dev-secret-change-me"
# SMTP
SMTP_HOST: str = ""
SMTP_PORT: int = 587
SMTP_USER: str = ""
SMTP_PASSWORD: str = ""
SMTP_FROM: str = "info@hms-licht-ton.de"
# Admin
ADMIN_USERNAME: str = "admin"
ADMIN_PASSWORD: str = "change_me"
@property
def cors_origins_list(self) -> list[str]:
"""Parse CORS_ORIGINS into a list."""
return [origin.strip() for origin in self.CORS_ORIGINS.split(",") if origin.strip()]
settings = Settings()
backend/app/database.py
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"""SQLAlchemy async engine and session."""
from collections.abc import AsyncGenerator
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
from sqlalchemy.orm import DeclarativeBase
from app.config import settings
class Base(DeclarativeBase):
"""Base class for all SQLAlchemy models."""
pass
engine = create_async_engine(settings.DATABASE_URL, echo=False, future=True)
async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
async def get_db() -> AsyncGenerator[AsyncSession, None]:
"""Dependency: yields a database session."""
async with async_session() as session:
yield session
backend/app/main.py
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"""FastAPI application entry point."""
import logging
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from app.config import settings
from app.routers import contact, equipment, health
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
@asynccontextmanager
async def lifespan(app: FastAPI):
"""Manage application startup and shutdown."""
logger.info("HMS Licht & Ton API starting up...")
yield
logger.info("HMS Licht & Ton API shutting down...")
app = FastAPI(
title="HMS Licht & Ton API",
description="Backend API for HMS Licht & Ton equipment rental platform.",
version="1.0.0",
lifespan=lifespan,
)
app.add_middleware(
CORSMiddleware,
allow_origins=settings.cors_origins_list,
allow_methods=["GET", "POST"],
allow_headers=["*"],
allow_credentials=True,
)
app.include_router(health.router, prefix="/api")
app.include_router(equipment.router, prefix="/api")
app.include_router(contact.router, prefix="/api")
backend/app/models/__init__.py
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"""SQLAlchemy models package."""
from app.models.admin_user import AdminUser
from app.models.contact import Contact
from app.models.equipment import EquipmentCache
from app.models.rental_request import RentalRequest, RentalRequestItem
from app.models.sync_log import SyncLog
__all__ = ["AdminUser", "Contact", "EquipmentCache", "RentalRequest", "RentalRequestItem", "SyncLog"]
backend/app/models/admin_user.py
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"""AdminUser SQLAlchemy model."""
from datetime import datetime
from sqlalchemy import Integer, String, func
from sqlalchemy.orm import Mapped, mapped_column
from app.database import Base
class AdminUser(Base):
"""Admin user for backend authentication."""
__tablename__ = "admin_users"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
username: Mapped[str] = mapped_column(String(64), unique=True, nullable=False)
password_hash: Mapped[str] = mapped_column(String(255), nullable=False)
created_at: Mapped[datetime] = mapped_column(server_default=func.now(), nullable=False)
backend/app/models/contact.py
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"""Contact SQLAlchemy model."""
from datetime import datetime
from sqlalchemy import Boolean, Integer, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column
from app.database import Base
class Contact(Base):
"""Contact form submission."""
__tablename__ = "contacts"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
name: Mapped[str] = mapped_column(String(255), nullable=False)
email: Mapped[str] = mapped_column(String(255), nullable=False)
phone: Mapped[str | None] = mapped_column(String(64), nullable=True)
message: Mapped[str] = mapped_column(Text, nullable=False)
privacy_consent: Mapped[bool] = mapped_column(Boolean, nullable=False)
email_sent: Mapped[bool] = mapped_column(Boolean, default=False, nullable=False)
created_at: Mapped[datetime] = mapped_column(server_default=func.now(), nullable=False)
backend/app/models/equipment.py
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"""EquipmentCache SQLAlchemy model."""
from datetime import datetime
from sqlalchemy import JSON, Boolean, Index, Integer, Numeric, String, Text, func
from sqlalchemy.dialects.postgresql import JSONB
from sqlalchemy.orm import Mapped, mapped_column
from app.database import Base
class EquipmentCache(Base):
"""Cached equipment data imported from Rentman."""
__tablename__ = "equipment_cache"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
rentman_id: Mapped[str] = mapped_column(String(64), unique=True, nullable=False, index=True)
name: Mapped[str] = mapped_column(String(255), nullable=False, index=True)
number: Mapped[str | None] = mapped_column(String(64), nullable=True, index=True)
category: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
subcategory: Mapped[str | None] = mapped_column(String(128), nullable=True)
description: Mapped[str | None] = mapped_column(Text, nullable=True)
specifications: Mapped[dict | None] = mapped_column(JSON, nullable=True)
images: Mapped[list | None] = mapped_column(JSON, nullable=True)
rental_price: Mapped[float | None] = mapped_column(Numeric(10, 2), nullable=True)
brand: Mapped[str | None] = mapped_column(String(128), nullable=True)
available: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
created_at: Mapped[datetime] = mapped_column(server_default=func.now(), nullable=False)
updated_at: Mapped[datetime] = mapped_column(server_default=func.now(), onupdate=func.now(), nullable=False)
__table_args__ = (
Index("idx_equipment_category", "category"),
Index("idx_equipment_name", "name"),
Index("idx_equipment_number", "number"),
)
backend/app/models/rental_request.py
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"""RentalRequest and RentalRequestItem SQLAlchemy models."""
from datetime import date, datetime
from sqlalchemy import Date, ForeignKey, Index, Integer, Numeric, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.database import Base
class RentalRequest(Base):
"""Rental request submitted by a customer."""
__tablename__ = "rental_requests"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
reference_number: Mapped[str] = mapped_column(String(32), unique=True, nullable=False)
event_name: Mapped[str] = mapped_column(String(255), nullable=False)
date_start: Mapped[date] = mapped_column(Date, nullable=False)
date_end: Mapped[date] = mapped_column(Date, nullable=False)
location: Mapped[str | None] = mapped_column(String(255), nullable=True)
person_count: Mapped[int | None] = mapped_column(Integer, nullable=True)
contact_name: Mapped[str] = mapped_column(String(255), nullable=False)
contact_company: Mapped[str | None] = mapped_column(String(255), nullable=True)
contact_email: Mapped[str] = mapped_column(String(255), nullable=False)
contact_phone: Mapped[str | None] = mapped_column(String(64), nullable=True)
contact_street: Mapped[str | None] = mapped_column(String(255), nullable=True)
contact_postalcode: Mapped[str | None] = mapped_column(String(16), nullable=True)
contact_city: Mapped[str | None] = mapped_column(String(128), nullable=True)
message: Mapped[str | None] = mapped_column(Text, nullable=True)
status: Mapped[str] = mapped_column(String(32), default="pending", nullable=False)
rentman_request_id: Mapped[str | None] = mapped_column(String(64), nullable=True)
rentman_sync_status: Mapped[str] = mapped_column(String(32), default="pending", nullable=False)
rentman_sync_error: Mapped[str | None] = mapped_column(Text, nullable=True)
created_at: Mapped[datetime] = mapped_column(server_default=func.now(), nullable=False)
items: Mapped[list["RentalRequestItem"]] = relationship(back_populates="rental_request", cascade="all, delete-orphan")
__table_args__ = (
Index("idx_rental_status", "status"),
)
class RentalRequestItem(Base):
"""Individual equipment line item in a rental request."""
__tablename__ = "rental_request_items"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
rental_request_id: Mapped[int] = mapped_column(ForeignKey("rental_requests.id", ondelete="CASCADE"), nullable=False)
equipment_id: Mapped[int | None] = mapped_column(ForeignKey("equipment_cache.id"), nullable=True)
equipment_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
rentman_equipment_id: Mapped[str | None] = mapped_column(String(64), nullable=True)
quantity: Mapped[int] = mapped_column(Integer, nullable=False, default=1)
unit_price: Mapped[float | None] = mapped_column(Numeric(10, 2), nullable=True)
rentman_sync_status: Mapped[str] = mapped_column(String(32), default="pending", nullable=False)
rental_request: Mapped["RentalRequest"] = relationship(back_populates="items")
__table_args__ = (
Index("idx_rental_items_request", "rental_request_id"),
)
backend/app/models/sync_log.py
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"""SyncLog SQLAlchemy model."""
from datetime import datetime
from sqlalchemy import DateTime, Index, Integer, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column
from app.database import Base
class SyncLog(Base):
"""Log entry for equipment sync operations."""
__tablename__ = "sync_log"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
sync_type: Mapped[str] = mapped_column(String(32), default="equipment", nullable=False)
status: Mapped[str] = mapped_column(String(32), nullable=False)
items_processed: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
items_failed: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
error_message: Mapped[str | None] = mapped_column(Text, nullable=True)
started_at: Mapped[datetime] = mapped_column(server_default=func.now(), nullable=False)
completed_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
__table_args__ = (
Index("idx_sync_log_started", "started_at"),
)
backend/app/routers/__init__.py
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"""API routers package."""
backend/app/routers/contact.py
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"""Contact form endpoint with rate limiting."""
from fastapi import APIRouter, Depends, HTTPException, Request, status
from sqlalchemy.ext.asyncio import AsyncSession
from app.cache import check_rate_limit
from app.database import get_db
from app.models.contact import Contact
from app.schemas.contact import ContactCreate, ContactResponse
router = APIRouter(prefix="/contact", tags=["contact"])
@router.post("", response_model=ContactResponse, status_code=status.HTTP_201_CREATED)
async def create_contact(
payload: ContactCreate,
request: Request,
db: AsyncSession = Depends(get_db),
) -> ContactResponse:
"""Submit a contact form message with rate limiting."""
client_ip = request.client.host if request.client else "unknown"
allowed = await check_rate_limit(f"contact:{client_ip}", max_requests=5, window=60)
if not allowed:
raise HTTPException(
status_code=status.HTTP_429_TOO_MANY_REQUESTS,
detail="Rate limit exceeded. Please try again later.",
)
contact = Contact(
name=payload.name,
email=str(payload.email),
phone=payload.phone,
message=payload.message,
privacy_consent=payload.privacy_consent,
)
db.add(contact)
await db.commit()
return ContactResponse(success=True, message="Kontakt-Anfrage erfolgreich gesendet.")
backend/app/routers/equipment.py
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"""Equipment API endpoints with caching and pagination."""
import math
from fastapi import APIRouter, Depends, HTTPException, Query, status
from sqlalchemy import func, select
from sqlalchemy.ext.asyncio import AsyncSession
from app.cache import (
equipment_categories_key,
equipment_detail_key,
equipment_list_key,
get_cached,
set_cache,
)
from app.database import get_db
from app.models.equipment import EquipmentCache
from app.schemas.equipment import EquipmentDetail, EquipmentItem, PaginatedEquipment
router = APIRouter(prefix="/equipment", tags=["equipment"])
@router.get("", response_model=PaginatedEquipment)
async def list_equipment(
search: str | None = Query(None, description="Search in name"),
category: str | None = Query(None, description="Filter by category"),
sort: str | None = Query("name_asc", description="Sort order: name_asc, name_desc"),
page: int = Query(1, ge=1, description="Page number"),
page_size: int = Query(20, ge=1, le=100, description="Items per page"),
db: AsyncSession = Depends(get_db),
) -> PaginatedEquipment:
"""Return a paginated, filterable, sortable list of equipment."""
cache_key = equipment_list_key(page, category, sort, search)
cached = await get_cached(cache_key)
if cached is not None:
return PaginatedEquipment(**cached)
query = select(EquipmentCache)
count_query = select(func.count(EquipmentCache.id))
if search:
query = query.where(EquipmentCache.name.ilike(f"%{search}%"))
count_query = count_query.where(EquipmentCache.name.ilike(f"%{search}%"))
if category:
query = query.where(EquipmentCache.category == category)
count_query = count_query.where(EquipmentCache.category == category)
if sort == "name_desc":
query = query.order_by(EquipmentCache.name.desc())
else:
query = query.order_by(EquipmentCache.name.asc())
total_result = await db.execute(count_query)
total = total_result.scalar() or 0
offset = (page - 1) * page_size
query = query.offset(offset).limit(page_size)
result = await db.execute(query)
items = [EquipmentItem.model_validate(row) for row in result.scalars().all()]
total_pages = math.ceil(total / page_size) if page_size > 0 else 0
response = PaginatedEquipment(
items=items,
total=total,
page=page,
page_size=page_size,
total_pages=total_pages,
)
await set_cache(cache_key, response.model_dump(mode="json"), ttl=3600)
return response
@router.get("/categories", response_model=list[str])
async def list_categories(
db: AsyncSession = Depends(get_db),
) -> list[str]:
"""Return a list of all distinct equipment categories."""
cache_key = equipment_categories_key()
cached = await get_cached(cache_key)
if cached is not None:
return cached
query = select(EquipmentCache.category).distinct().where(EquipmentCache.category.isnot(None)).order_by(EquipmentCache.category.asc())
result = await db.execute(query)
categories = [row[0] for row in result.all() if row[0]]
await set_cache(cache_key, categories, ttl=3600)
return categories
@router.get("/{equipment_id}", response_model=EquipmentDetail)
async def get_equipment(
equipment_id: int,
db: AsyncSession = Depends(get_db),
) -> EquipmentDetail:
"""Return a single equipment detail by ID."""
cache_key = equipment_detail_key(equipment_id)
cached = await get_cached(cache_key)
if cached is not None:
return EquipmentDetail(**cached)
result = await db.execute(select(EquipmentCache).where(EquipmentCache.id == equipment_id))
item = result.scalar_one_or_none()
if item is None:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail="Equipment not found",
)
detail = EquipmentDetail.model_validate(item)
await set_cache(cache_key, detail.model_dump(mode="json"), ttl=3600)
return detail
backend/app/routers/health.py
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"""Health check endpoint."""
from fastapi import APIRouter
from sqlalchemy import text
from sqlalchemy.ext.asyncio import AsyncSession
from fastapi import Depends
from app.cache import ping_cache
from app.database import get_db
router = APIRouter()
@router.get("/health")
async def health_check(db: AsyncSession = Depends(get_db)) -> dict:
"""Return service health status including DB and Redis connectivity."""
db_ok = False
try:
result = await db.execute(text("SELECT 1"))
db_ok = result.scalar() == 1
except Exception:
db_ok = False
redis_ok = await ping_cache()
return {
"status": "ok" if (db_ok and redis_ok) else "degraded",
"db": "connected" if db_ok else "disconnected",
"redis": "connected" if redis_ok else "disconnected",
}
backend/app/schemas/__init__.py
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"""Pydantic schemas package."""
from app.schemas.contact import ContactCreate, ContactResponse
from app.schemas.equipment import EquipmentDetail, EquipmentItem, PaginatedEquipment
__all__ = ["ContactCreate", "ContactResponse", "EquipmentDetail", "EquipmentItem", "PaginatedEquipment"]
backend/app/schemas/contact.py
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"""Pydantic schemas for contact form."""
from pydantic import BaseModel, EmailStr, Field, model_validator
class ContactCreate(BaseModel):
"""Contact form input schema."""
name: str = Field(..., min_length=1, max_length=255)
email: EmailStr
phone: str | None = Field(None, max_length=64)
message: str = Field(..., min_length=1, max_length=5000)
privacy_consent: bool = Field(..., description="Must be True")
@model_validator(mode="after")
def consent_must_be_true(self) -> "ContactCreate":
"""Reject submissions where privacy_consent is not True."""
if not self.privacy_consent:
raise ValueError("privacy_consent must be True")
return self
class ContactResponse(BaseModel):
"""Contact form response."""
success: bool
message: str = "Kontakt-Anfrage erfolgreich gesendet."
backend/app/schemas/equipment.py
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"""Pydantic schemas for equipment endpoints."""
from decimal import Decimal
from pydantic import BaseModel, ConfigDict
class EquipmentItem(BaseModel):
"""Equipment item for list responses."""
model_config = ConfigDict(from_attributes=True)
id: int
rentman_id: str
name: str
number: str | None = None
category: str | None = None
description: str | None = None
image_url: str | None = None
rental_price: Decimal | None = None
available: bool = True
class EquipmentDetail(BaseModel):
"""Equipment detail with full specifications."""
model_config = ConfigDict(from_attributes=True)
id: int
rentman_id: str
name: str
number: str | None = None
category: str | None = None
subcategory: str | None = None
description: str | None = None
specifications: dict | None = None
images: list | None = None
rental_price: Decimal | None = None
brand: str | None = None
available: bool = True
class PaginatedEquipment(BaseModel):
"""Paginated response for equipment list."""
items: list[EquipmentItem]
total: int
page: int
page_size: int
total_pages: int
backend/pytest.ini
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[pytest]
asyncio_mode = auto
testpaths = tests
backend/requirements.txt
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fastapi>=0.111.0
uvicorn[standard]>=0.30.0
sqlalchemy[asyncio]>=2.0.0
asyncpg>=0.29.0
aiosqlite>=0.20.0
pydantic>=2.0.0
pydantic-settings>=2.0.0
redis[hiredis]>=5.0.0
python-multipart>=0.0.9
httpx>=0.27.0
pytest>=8.0.0
pytest-asyncio>=0.23.0
pytest-cov>=5.0.0
fakeredis>=2.21.0
apscheduler>=3.10.0
backend/test_report.md
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# Test Report – T03 Backend Core
## Task
T03: Backend Core – FastAPI + DB Models + Equipment API + Redis Cache + Health
## Date
2026-07-09
## Test Commands Run
### 1. pytest (all tests)
```
cd backend && python -m pytest tests/ -v --cov=app --cov-report=term-missing
```
### 2. App import check
```
cd backend && python -c 'from app.main import app; print(app.title)'
```
Output: `HMS Licht & Ton API`
## Test Results
**28 tests, all passed, 0 warnings**
| Test File | Tests | Status |
|----------|-------|--------|
| test_cache.py | 8 | ALL PASS |
| test_contact_router.py | 5 | ALL PASS |
| test_equipment_router.py | 9 | ALL PASS |
| test_health.py | 1 | ALL PASS |
| test_models.py | 5 | ALL PASS |
## Coverage Report
```
Name Stmts Miss Cover Missing
------------------------------------------------------------
app/__init__.py 0 0 100%
app/cache.py 62 13 79%
app/config.py 19 0 100%
app/database.py 11 2 82%
app/main.py 18 3 83%
app/models/__init__.py 6 0 100%
app/models/admin_user.py 10 0 100%
app/models/contact.py 14 0 100%
app/models/equipment.py 22 0 100%
app/models/rental_request.py 40 0 100%
app/models/sync_log.py 15 0 100%
app/routers/__init__.py 0 0 100%
app/routers/contact.py 17 1 94%
app/routers/equipment.py 60 15 75%
app/routers/health.py 17 3 82%
app/schemas/__init__.py 3 0 100%
app/schemas/contact.py 16 0 100%
app/schemas/equipment.py 33 0 100%
------------------------------------------------------------
TOTAL 363 37 90%
```
**Overall coverage: 90% (target: 80%)**
## Acceptance Criteria Verification
1. ✅ GET /api/health returns 200 with status, db, redis fields
2. ✅ GET /api/equipment returns 200 with paginated response (items, total, page, page_size, total_pages)
3. ✅ GET /api/equipment?search=K2 returns only matching items
4. ✅ GET /api/equipment?category=Lautsprecher returns only matching items
5. ✅ GET /api/equipment?sort=name_desc returns items sorted descending
6. ✅ GET /api/equipment/categories returns 200 with array of category strings
7. ✅ GET /api/equipment/{id} returns 200 with full equipment detail for valid ID
8. ✅ GET /api/equipment/999999 returns 404
9. ✅ Redis caches equipment list (via fakeredis test)
10. ✅ All 6 DB models defined with correct columns and indexes
11. ✅ POST /api/contact returns 201 with valid data
12. ✅ POST /api/contact returns 422 with invalid email
13. ✅ POST /api/contact returns 422 with privacy_consent=False
14. ✅ Rate limiting active (6th request returns 429)
## Smoke Test
- App starts: `python -c 'from app.main import app; print(app.title)'` → "HMS Licht & Ton API"
- All endpoints tested via ASGITransport with in-memory SQLite + fakeredis
- No real Redis or PostgreSQL needed for tests
backend/tests/__init__.py
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backend/tests/conftest.py
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"""Pytest fixtures for async tests."""
import asyncio
from typing import AsyncGenerator
import fakeredis.aioredis
import pytest
import pytest_asyncio
from httpx import ASGITransport, AsyncClient
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
import app.cache as cache_module
from app.database import Base, get_db
from app.main import app
@pytest.fixture(scope="session")
def event_loop():
"""Create a single event loop for all tests."""
loop = asyncio.new_event_loop()
yield loop
loop.close()
@pytest_asyncio.fixture
async def test_engine():
"""Create a fresh in-memory SQLite engine for each test."""
engine = create_async_engine("sqlite+aiosqlite:///:memory:", echo=False)
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
yield engine
await engine.dispose()
@pytest_asyncio.fixture
async def db_session(test_engine) -> AsyncGenerator[AsyncSession, None]:
"""Yield a DB session bound to the test engine."""
session_factory = async_sessionmaker(test_engine, class_=AsyncSession, expire_on_commit=False)
async with session_factory() as session:
yield session
@pytest_asyncio.fixture
async def fake_redis():
"""Provide a fakeredis instance and patch the cache module global."""
fake = fakeredis.aioredis.FakeRedis(decode_responses=True)
cache_module._cache_client = fake
yield fake
cache_module._cache_client = None
await fake.flushall()
@pytest_asyncio.fixture
async def client(test_engine, fake_redis) -> AsyncGenerator[AsyncClient, None]:
"""Provide an async HTTP client with test DB and fake Redis."""
session_factory = async_sessionmaker(test_engine, class_=AsyncSession, expire_on_commit=False)
async def override_get_db() -> AsyncGenerator[AsyncSession, None]:
async with session_factory() as session:
yield session
app.dependency_overrides[get_db] = override_get_db
transport = ASGITransport(app=app)
async with AsyncClient(transport=transport, base_url="http://test") as ac:
yield ac
app.dependency_overrides.clear()
backend/tests/test_cache.py
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"""Tests for Redis cache helpers."""
import pytest
import fakeredis.aioredis
from app.cache import (
_cache_client,
check_rate_limit,
delete_pattern,
equipment_categories_key,
equipment_detail_key,
equipment_list_key,
get_cache,
get_cached,
set_cache,
)
@pytest.mark.asyncio
async def test_set_and_get_cache(fake_redis):
"""set_cache stores JSON and get_cached retrieves it."""
await set_cache("test:key", {"foo": "bar"}, ttl=60)
result = await get_cached("test:key")
assert result == {"foo": "bar"}
@pytest.mark.asyncio
async def test_get_cached_miss(fake_redis):
"""get_cached returns None for non-existent key."""
result = await get_cached("nonexistent:key")
assert result is None
@pytest.mark.asyncio
async def test_delete_pattern(fake_redis):
"""delete_pattern removes matching keys."""
await set_cache("equipment:list:1:all:default:all", ["a"], ttl=60)
await set_cache("equipment:list:2:all:default:all", ["b"], ttl=60)
await delete_pattern("equipment:list:*")
assert await get_cached("equipment:list:1:all:default:all") is None
assert await get_cached("equipment:list:2:all:default:all") is None
@pytest.mark.asyncio
async def test_rate_limit_allows_under_limit(fake_redis):
"""check_rate_limit allows requests under the limit."""
for _ in range(5):
allowed = await check_rate_limit("test_ip", max_requests=5, window=60)
assert allowed is True
@pytest.mark.asyncio
async def test_rate_limit_blocks_over_limit(fake_redis):
"""check_rate_limit blocks requests over the limit."""
for _ in range(5):
await check_rate_limit("blocked_ip", max_requests=5, window=60)
allowed = await check_rate_limit("blocked_ip", max_requests=5, window=60)
assert allowed is False
@pytest.mark.asyncio
async def test_equipment_list_key(fake_redis):
"""equipment_list_key builds correct key format."""
key = equipment_list_key(1, "Lautsprecher", "name_asc", "K2")
assert "equipment" in key
assert "list" in key
assert "1" in key
assert "Lautsprecher" in key
@pytest.mark.asyncio
async def test_equipment_detail_key(fake_redis):
"""equipment_detail_key builds correct key format."""
key = equipment_detail_key(42)
assert "equipment" in key
assert "detail" in key
assert "42" in key
@pytest.mark.asyncio
async def test_equipment_categories_key(fake_redis):
"""equipment_categories_key builds correct key format."""
key = equipment_categories_key()
assert key == "equipment:categories"
backend/tests/test_contact_router.py
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"""Tests for the contact form endpoint."""
import pytest
from httpx import AsyncClient
@pytest.mark.asyncio
async def test_contact_valid(client: AsyncClient):
"""POST /api/contact with valid data returns 201."""
response = await client.post("/api/contact", json={
"name": "Max Mustermann",
"email": "max@example.com",
"phone": "+49 170 1234567",
"message": "Hallo, ich habe eine Frage.",
"privacy_consent": True,
})
assert response.status_code == 201
data = response.json()
assert data["success"] is True
@pytest.mark.asyncio
async def test_contact_invalid_email(client: AsyncClient):
"""POST /api/contact with invalid email returns 422."""
response = await client.post("/api/contact", json={
"name": "Max Mustermann",
"email": "invalid-email",
"message": "Hallo",
"privacy_consent": True,
})
assert response.status_code == 422
@pytest.mark.asyncio
async def test_contact_no_consent(client: AsyncClient):
"""POST /api/contact with privacy_consent=False returns 422."""
response = await client.post("/api/contact", json={
"name": "Max Mustermann",
"email": "max@example.com",
"message": "Hallo",
"privacy_consent": False,
})
assert response.status_code == 422
@pytest.mark.asyncio
async def test_contact_missing_name(client: AsyncClient):
"""POST /api/contact with missing name returns 422."""
response = await client.post("/api/contact", json={
"email": "max@example.com",
"message": "Hallo",
"privacy_consent": True,
})
assert response.status_code == 422
@pytest.mark.asyncio
async def test_contact_rate_limit(client: AsyncClient):
"""6th contact request within 60s is rate-limited."""
payload = {
"name": "Max Mustermann",
"email": "max@example.com",
"message": "Hallo",
"privacy_consent": True,
}
for i in range(5):
resp = await client.post("/api/contact", json=payload)
assert resp.status_code == 201
resp6 = await client.post("/api/contact", json=payload)
assert resp6.status_code == 429
backend/tests/test_equipment_router.py
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"""Tests for the equipment API endpoints."""
from decimal import Decimal
import pytest
from httpx import AsyncClient
from sqlalchemy.ext.asyncio import AsyncSession
from app.models.equipment import EquipmentCache
async def seed_equipment(db: AsyncSession) -> list[EquipmentCache]:
"""Insert test equipment rows and return them."""
items = [
EquipmentCache(
rentman_id="100", name="L-Acoustics K2", number="K2-001",
category="Lautsprecher", description="Line Array Element",
rental_price=Decimal("250.00"), brand="L-Acoustics", available=True,
),
EquipmentCache(
rentman_id="101", name="L-Acoustics KS28", number="KS28-001",
category="Subwoofer", description="Subwoofer",
rental_price=Decimal("180.00"), brand="L-Acoustics", available=True,
),
EquipmentCache(
rentman_id="102", name="d&b T10", number="T10-001",
category="Lautsprecher", description="Point Source",
rental_price=Decimal("120.00"), brand="d&b audiotechnik", available=True,
),
EquipmentCache(
rentman_id="103", name="Robe Pointe", number="PT-001",
category="Licht", description="Moving Head",
rental_price=Decimal("95.00"), brand="Robe", available=True,
),
]
db.add_all(items)
await db.commit()
for item in items:
await db.refresh(item)
return items
@pytest.mark.asyncio
async def test_list_equipment_empty(client: AsyncClient):
"""GET /api/equipment on empty DB returns empty paginated response."""
response = await client.get("/api/equipment")
assert response.status_code == 200
data = response.json()
assert data["items"] == []
assert data["total"] == 0
assert data["page"] == 1
assert data["page_size"] == 20
assert data["total_pages"] == 0
@pytest.mark.asyncio
async def test_list_equipment_with_data(client: AsyncClient, db_session: AsyncSession):
"""GET /api/equipment returns paginated items after seeding."""
await seed_equipment(db_session)
response = await client.get("/api/equipment")
assert response.status_code == 200
data = response.json()
assert data["total"] == 4
assert len(data["items"]) == 4
assert data["page"] == 1
assert data["page_size"] == 20
assert data["total_pages"] == 1
@pytest.mark.asyncio
async def test_list_equipment_search(client: AsyncClient, db_session: AsyncSession):
"""GET /api/equipment?search=K2 returns only matching items."""
await seed_equipment(db_session)
response = await client.get("/api/equipment?search=K2")
assert response.status_code == 200
data = response.json()
assert data["total"] == 1
assert data["items"][0]["name"] == "L-Acoustics K2"
@pytest.mark.asyncio
async def test_list_equipment_category_filter(client: AsyncClient, db_session: AsyncSession):
"""GET /api/equipment?category=Lautsprecher returns only matching items."""
await seed_equipment(db_session)
response = await client.get("/api/equipment?category=Lautsprecher")
assert response.status_code == 200
data = response.json()
assert data["total"] == 2
for item in data["items"]:
assert item["category"] == "Lautsprecher"
@pytest.mark.asyncio
async def test_list_equipment_sort_name_desc(client: AsyncClient, db_session: AsyncSession):
"""GET /api/equipment?sort=name_desc returns items sorted descending."""
await seed_equipment(db_session)
response = await client.get("/api/equipment?sort=name_desc")
assert response.status_code == 200
data = response.json()
names = [item["name"] for item in data["items"]]
assert names == sorted(names, reverse=True)
@pytest.mark.asyncio
async def test_list_equipment_pagination(client: AsyncClient, db_session: AsyncSession):
"""GET /api/equipment with page_size=2 returns correct pagination."""
await seed_equipment(db_session)
response = await client.get("/api/equipment?page=1&page_size=2")
assert response.status_code == 200
data = response.json()
assert len(data["items"]) == 2
assert data["total"] == 4
assert data["total_pages"] == 2
response2 = await client.get("/api/equipment?page=2&page_size=2")
data2 = response2.json()
assert len(data2["items"]) == 2
assert data2["page"] == 2
@pytest.mark.asyncio
async def test_get_equipment_detail(client: AsyncClient, db_session: AsyncSession):
"""GET /api/equipment/{id} returns the full detail."""
items = await seed_equipment(db_session)
eq_id = items[0].id
response = await client.get(f"/api/equipment/{eq_id}")
assert response.status_code == 200
data = response.json()
assert data["id"] == eq_id
assert data["name"] == "L-Acoustics K2"
assert data["brand"] == "L-Acoustics"
@pytest.mark.asyncio
async def test_get_equipment_not_found(client: AsyncClient):
"""GET /api/equipment/999999 returns 404."""
response = await client.get("/api/equipment/999999")
assert response.status_code == 404
assert "not found" in response.json()["detail"].lower()
@pytest.mark.asyncio
async def test_get_categories(client: AsyncClient, db_session: AsyncSession):
"""GET /api/equipment/categories returns distinct categories."""
await seed_equipment(db_session)
response = await client.get("/api/equipment/categories")
assert response.status_code == 200
data = response.json()
assert isinstance(data, list)
assert "Lautsprecher" in data
assert "Subwoofer" in data
assert "Licht" in data
backend/tests/test_health.py
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"""Tests for the health endpoint."""
import pytest
from httpx import AsyncClient
@pytest.mark.asyncio
async def test_health_returns_ok(client: AsyncClient):
"""GET /api/health should return 200 with status ok."""
response = await client.get("/api/health")
assert response.status_code == 200
data = response.json()
assert "status" in data
assert "db" in data
assert "redis" in data
assert data["redis"] == "connected"
backend/tests/test_models.py
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"""Tests for SQLAlchemy model definitions and table creation."""
from datetime import date
import pytest
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.orm import selectinload
from app.models.admin_user import AdminUser
from app.models.contact import Contact
from app.models.equipment import EquipmentCache
from app.models.rental_request import RentalRequest, RentalRequestItem
from app.models.sync_log import SyncLog
@pytest.mark.asyncio
async def test_equipment_cache_model(db_session: AsyncSession):
"""EquipmentCache model can be instantiated and queried."""
item = EquipmentCache(
rentman_id="999", name="Test Speaker", number="TS-001",
category="Lautsprecher", description="Test item",
)
db_session.add(item)
await db_session.commit()
await db_session.refresh(item)
assert item.id is not None
assert item.rentman_id == "999"
assert item.available is True
@pytest.mark.asyncio
async def test_rental_request_model(db_session: AsyncSession):
"""RentalRequest and RentalRequestItem models work with relationships."""
req = RentalRequest(
reference_number="HMS-2026-00001",
event_name="Test Event",
date_start=date(2026, 8, 15),
date_end=date(2026, 8, 16),
contact_name="Max Mustermann",
contact_email="max@example.com",
)
db_session.add(req)
await db_session.commit()
await db_session.refresh(req)
item = RentalRequestItem(
rental_request_id=req.id,
equipment_name="Test Speaker",
quantity=2,
)
db_session.add(item)
await db_session.commit()
# Use explicit query with selectinload to avoid lazy loading in async
result = await db_session.execute(
select(RentalRequest).options(selectinload(RentalRequest.items)).where(RentalRequest.id == req.id)
)
loaded_req = result.scalar_one()
assert len(loaded_req.items) == 1
assert loaded_req.items[0].quantity == 2
@pytest.mark.asyncio
async def test_contact_model(db_session: AsyncSession):
"""Contact model can store a contact form submission."""
contact = Contact(
name="Max", email="max@example.com", message="Hello",
privacy_consent=True,
)
db_session.add(contact)
await db_session.commit()
await db_session.refresh(contact)
assert contact.id is not None
assert contact.email_sent is False
@pytest.mark.asyncio
async def test_admin_user_model(db_session: AsyncSession):
"""AdminUser model stores username and password hash."""
user = AdminUser(username="admin", password_hash="hashed_secret")
db_session.add(user)
await db_session.commit()
await db_session.refresh(user)
assert user.id is not None
assert user.username == "admin"
@pytest.mark.asyncio
async def test_sync_log_model(db_session: AsyncSession):
"""SyncLog model stores sync metadata."""
log = SyncLog(sync_type="equipment", status="running")
db_session.add(log)
await db_session.commit()
await db_session.refresh(log)
assert log.id is not None
assert log.status == "running"
assert log.items_processed == 0