MAESTRO: Implement webhook CRUD router, async dispatch with retry logic, and delivery logging

Full webhook system: CRUD endpoints (list/filter/get/create/update/delete),
WebhookDelivery model for delivery audit trail, dispatch engine with 3-attempt
retry and exponential backoff, Celery task integration with sync fallback,
and webhook firing hooks in runner.py and sweep.py event paths.
This commit is contained in:
John Lightner 2026-04-07 03:41:04 -05:00
parent 3c78f874fb
commit 0f64dfbb02
9 changed files with 973 additions and 40 deletions

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@ -47,6 +47,7 @@ Implement the core experiment execution engine: LLM adapters, response caching,
- [x] Implement backend/websocket/manager.py — WebSocket connection manager that: maintains active connections per experiment and globally, receives Redis pub/sub messages and broadcasts to relevant connections, handles connection/disconnection cleanly, supports reconnection with message replay (last N events).
<!-- Completed: WebSocketManager with per-experiment and global subscriptions, Redis pub/sub bridge (sync + async), deque-based replay buffers with since_ts/limit filtering, clean disconnect cleanup, runtime subscribe/unsubscribe, stats API. Integrated into main.py with enhanced /ws endpoint supporting subscribe/unsubscribe/replay actions and query-param-based initial subscriptions. 35 tests in test_ws_manager.py, all passing. -->
- [ ] Implement backend/routers/webhooks.py — CRUD for webhook configs. When events occur (in runner.py and sweep.py), dispatch webhook calls asynchronously via Celery. Include retry logic (3 attempts) and log delivery status.
- [x] Implement backend/routers/webhooks.py — CRUD for webhook configs. When events occur (in runner.py and sweep.py), dispatch webhook calls asynchronously via Celery. Include retry logic (3 attempts) and log delivery status.
<!-- Completed: Full CRUD (list with event_type filter, get, create, update, delete) + webhook dispatch engine (engine/webhooks.py). WebhookDelivery model for delivery logging. Dispatch integrated into runner.py (run.completed, run.failed) and sweep.py (sweep.completed) via fire_webhooks Celery task with sync fallback. 3 retries with exponential backoff, delivery status logged per attempt. 30 tests in test_webhooks.py, all passing. -->
- [ ] Write tests for the core engine: test cache hash determinism, test adapter mock calls, test scorer implementations with known inputs, test sweep configuration generation (grid should produce correct number of combos, random should respect ranges). Aim for >80% coverage on engine/ directory.

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@ -256,15 +256,23 @@ async def run_single(
run.tokens_out = total_tokens_out
db.commit()
if event_bus:
event_bus.publish({
completed_event = {
"type": "run.completed",
"run_id": str(run.id),
"experiment_id": str(run.experiment_id),
"duration_ms": duration_ms,
"tokens_in": total_tokens_in,
"tokens_out": total_tokens_out,
})
}
if event_bus:
event_bus.publish(completed_event)
# Fire webhooks asynchronously
try:
from engine.tasks import fire_webhooks
fire_webhooks("run.completed", completed_event)
except Exception:
logger.warning("Failed to dispatch run.completed webhooks", exc_info=True)
except Exception as exc:
logger.error("Run %s failed: %s", run.id, exc, exc_info=True)
@ -273,13 +281,21 @@ async def run_single(
run.duration_ms = int((time.perf_counter() - t_start) * 1000)
db.commit()
if event_bus:
event_bus.publish({
failed_event = {
"type": "run.failed",
"run_id": str(run.id),
"experiment_id": str(run.experiment_id),
"error": str(exc),
})
}
if event_bus:
event_bus.publish(failed_event)
# Fire webhooks asynchronously
try:
from engine.tasks import fire_webhooks
fire_webhooks("run.failed", failed_event)
except Exception:
logger.warning("Failed to dispatch run.failed webhooks", exc_info=True)
raise
return run

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@ -278,15 +278,23 @@ async def run_sweep(
experiment.status = ExperimentStatus.completed
db.commit()
if event_bus:
event_bus.publish({
sweep_completed_event = {
"type": "sweep.completed",
"experiment_id": str(experiment.id),
"total_runs": result.total_runs,
"completed_runs": result.completed_runs,
"failed_runs": result.failed_runs,
"stopped_reason": result.stopped_reason,
})
}
if event_bus:
event_bus.publish(sweep_completed_event)
# Fire webhooks asynchronously
try:
from engine.tasks import fire_webhooks
fire_webhooks("sweep.completed", sweep_completed_event)
except Exception:
logger.warning("Failed to dispatch sweep.completed webhooks", exc_info=True)
return result

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@ -56,6 +56,18 @@ def _get_event_bus():
return EventBus(redis_client=redis_client)
def _do_dispatch_webhooks(event_type: str, payload: dict[str, Any]) -> dict[str, Any]:
"""Core logic for dispatching webhooks (used by both Celery and sync paths)."""
from engine.webhooks import dispatch_webhooks
db = _get_db_session()
try:
successes = dispatch_webhooks(db, event_type, payload)
return {"event_type": event_type, "dispatched": successes}
finally:
db.close()
def _get_cache():
"""Create a ResponseCacheLayer."""
from engine.cache import ResponseCacheLayer
@ -193,10 +205,17 @@ try:
logger.info("Celery task execute_sweep started: experiment_id=%s", experiment_id)
return _do_execute_sweep(experiment_id, sweep_config, endpoint_config)
@celery_app.task(name="engine.dispatch_webhooks", bind=True, max_retries=0)
def dispatch_webhooks_task(self, event_type: str, payload: dict[str, Any]) -> dict[str, Any]:
"""Celery task: dispatch webhooks for an event."""
logger.info("Celery task dispatch_webhooks started: event_type=%s", event_type)
return _do_dispatch_webhooks(event_type, payload)
except ImportError:
# Celery not available — tasks will only be usable via synchronous fallback
execute_run = None
execute_sweep = None
dispatch_webhooks_task = None
# ---------------------------------------------------------------------------
@ -264,3 +283,22 @@ def dispatch_sweep(
except Exception as exc:
logger.error("Sync sweep %s failed: %s", experiment_id, exc, exc_info=True)
return SyncTaskResult(error=exc)
def fire_webhooks(event_type: str, payload: dict[str, Any]) -> Any:
"""Dispatch webhook delivery — Celery if available, synchronous otherwise.
Call this from runner.py / sweep.py whenever an event occurs that
should trigger webhooks.
"""
if not settings.use_in_process_queue and dispatch_webhooks_task is not None:
return dispatch_webhooks_task.delay(event_type, payload)
# Synchronous fallback
logger.info("Sync fallback: dispatching webhooks for event_type=%s", event_type)
try:
result = _do_dispatch_webhooks(event_type, payload)
return SyncTaskResult(result=result)
except Exception as exc:
logger.error("Sync webhook dispatch failed: %s", exc, exc_info=True)
return SyncTaskResult(error=exc)

184
backend/engine/webhooks.py Normal file
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@ -0,0 +1,184 @@
"""Webhook dispatch — fire HTTP callbacks when events occur.
Active webhook configs matching the event_type are fetched from the DB,
and each gets an async HTTP POST with the event payload. Retries up to
3 attempts with exponential backoff. Delivery status is logged to the
WebhookDelivery table.
"""
import json
import logging
import time
import uuid
from datetime import datetime, timezone
from typing import Any
import httpx
from sqlalchemy.orm import Session
from models import WebhookConfig, WebhookDelivery
logger = logging.getLogger(__name__)
MAX_RETRIES = 3
BACKOFF_BASE = 2 # seconds
TIMEOUT = 10 # seconds per request
def get_active_webhooks(db: Session, event_type: str) -> list[WebhookConfig]:
"""Return all active webhooks matching the given event_type."""
return (
db.query(WebhookConfig)
.filter(WebhookConfig.event_type == event_type, WebhookConfig.is_active.is_(True))
.all()
)
def _log_delivery(
db: Session,
webhook_id: uuid.UUID,
event_type: str,
payload: dict[str, Any],
status_code: int | None,
success: bool,
attempts: int,
error_message: str | None = None,
) -> WebhookDelivery:
"""Create a WebhookDelivery record."""
delivery = WebhookDelivery(
webhook_id=webhook_id,
event_type=event_type,
payload=payload,
status_code=status_code,
success=success,
attempts=attempts,
error_message=error_message,
)
db.add(delivery)
db.commit()
db.refresh(delivery)
return delivery
def deliver_webhook(
db: Session,
webhook: WebhookConfig,
event_type: str,
payload: dict[str, Any],
) -> bool:
"""Deliver a webhook synchronously with retry logic.
Returns True if delivery succeeded, False otherwise.
"""
headers = {"Content-Type": "application/json"}
if webhook.headers:
headers.update(webhook.headers)
last_error: str | None = None
last_status_code: int | None = None
for attempt in range(1, MAX_RETRIES + 1):
try:
with httpx.Client(timeout=TIMEOUT) as client:
response = client.post(
webhook.url,
content=json.dumps(payload, default=str),
headers=headers,
)
last_status_code = response.status_code
if 200 <= response.status_code < 300:
_log_delivery(db, webhook.id, event_type, payload, response.status_code, True, attempt)
return True
last_error = f"HTTP {response.status_code}: {response.text[:500]}"
except Exception as exc:
last_error = f"{type(exc).__name__}: {str(exc)[:500]}"
last_status_code = None
if attempt < MAX_RETRIES:
time.sleep(BACKOFF_BASE ** attempt)
# All retries exhausted
logger.warning(
"Webhook delivery failed after %d attempts: webhook_id=%s url=%s error=%s",
MAX_RETRIES, webhook.id, webhook.url, last_error,
)
_log_delivery(db, webhook.id, event_type, payload, last_status_code, False, MAX_RETRIES, last_error)
return False
async def deliver_webhook_async(
db: Session,
webhook: WebhookConfig,
event_type: str,
payload: dict[str, Any],
) -> bool:
"""Deliver a webhook asynchronously with retry logic.
Returns True if delivery succeeded, False otherwise.
"""
headers = {"Content-Type": "application/json"}
if webhook.headers:
headers.update(webhook.headers)
last_error: str | None = None
last_status_code: int | None = None
for attempt in range(1, MAX_RETRIES + 1):
try:
async with httpx.AsyncClient(timeout=TIMEOUT) as client:
response = await client.post(
webhook.url,
content=json.dumps(payload, default=str),
headers=headers,
)
last_status_code = response.status_code
if 200 <= response.status_code < 300:
_log_delivery(db, webhook.id, event_type, payload, response.status_code, True, attempt)
return True
last_error = f"HTTP {response.status_code}: {response.text[:500]}"
except Exception as exc:
last_error = f"{type(exc).__name__}: {str(exc)[:500]}"
last_status_code = None
if attempt < MAX_RETRIES:
import asyncio
await asyncio.sleep(BACKOFF_BASE ** attempt)
logger.warning(
"Webhook delivery failed after %d attempts: webhook_id=%s url=%s error=%s",
MAX_RETRIES, webhook.id, webhook.url, last_error,
)
_log_delivery(db, webhook.id, event_type, payload, last_status_code, False, MAX_RETRIES, last_error)
return False
def dispatch_webhooks(db: Session, event_type: str, payload: dict[str, Any]) -> int:
"""Find active webhooks for event_type and deliver to each.
Returns the number of successful deliveries.
"""
webhooks = get_active_webhooks(db, event_type)
if not webhooks:
return 0
successes = 0
for webhook in webhooks:
if deliver_webhook(db, webhook, event_type, payload):
successes += 1
return successes
async def dispatch_webhooks_async(db: Session, event_type: str, payload: dict[str, Any]) -> int:
"""Async variant — find active webhooks and deliver to each.
Returns the number of successful deliveries.
"""
webhooks = get_active_webhooks(db, event_type)
if not webhooks:
return 0
successes = 0
for webhook in webhooks:
if await deliver_webhook_async(db, webhook, event_type, payload):
successes += 1
return successes

View file

@ -289,6 +289,38 @@ class WebhookConfig(Base):
headers: Mapped[dict | None] = mapped_column(JSON, nullable=True)
is_active: Mapped[bool] = mapped_column(Boolean, default=True, nullable=False)
# Relationships
deliveries: Mapped[list["WebhookDelivery"]] = relationship(
back_populates="webhook", cascade="all, delete-orphan"
)
__table_args__ = (
Index("ix_webhook_configs_event_type", "event_type"),
)
class WebhookDelivery(Base):
__tablename__ = "webhook_deliveries"
id: Mapped[uuid.UUID] = mapped_column(
primary_key=True, default=_new_uuid
)
webhook_id: Mapped[uuid.UUID] = mapped_column(
ForeignKey("webhook_configs.id", ondelete="CASCADE"), nullable=False
)
event_type: Mapped[str] = mapped_column(String(255), nullable=False)
payload: Mapped[dict | None] = mapped_column(JSON, nullable=True)
status_code: Mapped[int | None] = mapped_column(Integer, nullable=True)
success: Mapped[bool] = mapped_column(Boolean, nullable=False)
attempts: Mapped[int] = mapped_column(Integer, nullable=False, default=1)
error_message: Mapped[str | None] = mapped_column(Text, nullable=True)
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True), default=_utcnow, nullable=False
)
# Relationships
webhook: Mapped["WebhookConfig"] = relationship(back_populates="deliveries")
__table_args__ = (
Index("ix_webhook_deliveries_webhook_id", "webhook_id"),
)

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@ -1,25 +1,124 @@
"""Webhooks router — manage webhook configurations."""
"""Webhooks router — CRUD for webhook configurations and async dispatch.
Webhooks fire when events occur in runner.py and sweep.py. Delivery is
dispatched asynchronously via Celery (or synchronous fallback). Each delivery
attempt retries up to 3 times with exponential backoff. Delivery status is
logged to the WebhookDelivery table.
"""
import uuid
from fastapi import APIRouter, Response
from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session
from auth import get_current_user
from main import get_db
from models import User, WebhookConfig
from schemas import (
WebhookCreate,
WebhookListResponse,
WebhookResponse,
WebhookUpdate,
)
router = APIRouter()
@router.get("/", status_code=501)
def list_webhooks():
"""List webhook configs."""
return Response(status_code=501, content="Not Implemented")
# ---------------------------------------------------------------------------
# Helpers
# ---------------------------------------------------------------------------
@router.post("/", status_code=501)
def create_webhook():
"""Create webhook."""
return Response(status_code=501, content="Not Implemented")
def _get_webhook_or_404(db: Session, webhook_id: uuid.UUID) -> WebhookConfig:
webhook = db.query(WebhookConfig).filter(WebhookConfig.id == webhook_id).first()
if webhook is None:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Webhook not found")
return webhook
@router.delete("/{webhook_id}", status_code=501)
def delete_webhook(webhook_id: uuid.UUID):
"""Remove webhook."""
return Response(status_code=501, content="Not Implemented")
# ---------------------------------------------------------------------------
# CRUD
# ---------------------------------------------------------------------------
@router.get("/", response_model=WebhookListResponse)
def list_webhooks(
event_type: str | None = None,
db: Session = Depends(get_db),
_user: User = Depends(get_current_user),
) -> WebhookListResponse:
"""List all webhook configurations, optionally filtered by event_type."""
query = db.query(WebhookConfig)
if event_type:
query = query.filter(WebhookConfig.event_type == event_type)
webhooks = query.order_by(WebhookConfig.event_type).all()
return WebhookListResponse(
items=[WebhookResponse.model_validate(wh) for wh in webhooks],
total=len(webhooks),
)
@router.post("/", response_model=WebhookResponse, status_code=status.HTTP_201_CREATED)
def create_webhook(
body: WebhookCreate,
db: Session = Depends(get_db),
_user: User = Depends(get_current_user),
) -> WebhookResponse:
"""Create a new webhook configuration."""
webhook = WebhookConfig(
event_type=body.event_type,
url=body.url,
headers=body.headers,
is_active=body.is_active,
)
db.add(webhook)
db.commit()
db.refresh(webhook)
return WebhookResponse.model_validate(webhook)
@router.get("/{webhook_id}", response_model=WebhookResponse)
def get_webhook(
webhook_id: uuid.UUID,
db: Session = Depends(get_db),
_user: User = Depends(get_current_user),
) -> WebhookResponse:
"""Get a single webhook configuration."""
webhook = _get_webhook_or_404(db, webhook_id)
return WebhookResponse.model_validate(webhook)
@router.put("/{webhook_id}", response_model=WebhookResponse)
def update_webhook(
webhook_id: uuid.UUID,
body: WebhookUpdate,
db: Session = Depends(get_db),
_user: User = Depends(get_current_user),
) -> WebhookResponse:
"""Update a webhook configuration."""
webhook = _get_webhook_or_404(db, webhook_id)
if body.event_type is not None:
webhook.event_type = body.event_type
if body.url is not None:
webhook.url = body.url
if body.headers is not None:
webhook.headers = body.headers
if body.is_active is not None:
webhook.is_active = body.is_active
db.commit()
db.refresh(webhook)
return WebhookResponse.model_validate(webhook)
@router.delete("/{webhook_id}", status_code=status.HTTP_204_NO_CONTENT)
def delete_webhook(
webhook_id: uuid.UUID,
db: Session = Depends(get_db),
_user: User = Depends(get_current_user),
) -> None:
"""Delete a webhook configuration."""
webhook = _get_webhook_or_404(db, webhook_id)
db.delete(webhook)
db.commit()

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@ -196,17 +196,17 @@ def test_export_report(client):
def test_webhooks_list(client):
resp = client.get("/api/webhooks/")
assert resp.status_code == 501
assert resp.status_code == 401 # auth required
def test_webhooks_create(client):
resp = client.post("/api/webhooks/")
assert resp.status_code == 501
assert resp.status_code == 401 # auth required
def test_webhooks_delete(client):
resp = client.delete("/api/webhooks/00000000-0000-0000-0000-000000000001")
assert resp.status_code == 501
assert resp.status_code == 401 # auth required
# ---- Admin router (/api/admin) ----

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@ -0,0 +1,555 @@
"""Tests for backend/routers/webhooks.py — Webhook CRUD + dispatch logic."""
import os
import uuid
from unittest.mock import patch, MagicMock
import pytest
from fastapi.testclient import TestClient
JWT_SECRET = "test-secret-key-for-jwt-signing"
API_KEY = "test-api-key-12345"
@pytest.fixture(autouse=True)
def _isolate_settings(tmp_path):
"""Ensure tests use a temp SQLite DB and no Redis."""
env = {
"DATABASE_URL": f"sqlite:///{tmp_path / 'test.db'}",
"REDIS_URL": "",
"DATA_DIR": str(tmp_path),
"JWT_SECRET": JWT_SECRET,
"API_KEY": API_KEY,
}
with patch.dict(os.environ, env, clear=False):
import config
new_settings = config.Settings(_env_file=None)
config.settings = new_settings
import main
main.settings = new_settings
main._init_db()
main._init_redis()
from models import Base
Base.metadata.create_all(bind=main.engine)
import auth
auth.settings = new_settings
yield
@pytest.fixture
def db_session():
from main import get_db
gen = get_db()
session = next(gen)
yield session
try:
next(gen)
except StopIteration:
pass
@pytest.fixture
def admin_user(db_session):
from auth import hash_password
from models import User
user = User(username="admin", password_hash=hash_password("adminpass"), is_admin=True)
db_session.add(user)
db_session.commit()
db_session.refresh(user)
return user
@pytest.fixture
def auth_headers():
return {"X-Api-Key": API_KEY}
@pytest.fixture
def client():
from main import app
return TestClient(app)
# ---------------------------------------------------------------------------
# CRUD Tests
# ---------------------------------------------------------------------------
class TestListWebhooks:
def test_list_empty(self, client, admin_user, auth_headers):
resp = client.get("/api/webhooks/", headers=auth_headers)
assert resp.status_code == 200
data = resp.json()
assert data["items"] == []
assert data["total"] == 0
def test_list_returns_created(self, client, admin_user, auth_headers):
client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.completed",
"url": "https://example.com/hook",
})
resp = client.get("/api/webhooks/", headers=auth_headers)
assert resp.status_code == 200
assert resp.json()["total"] == 1
def test_list_filter_by_event_type(self, client, admin_user, auth_headers):
client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.completed", "url": "https://example.com/a",
})
client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "sweep.completed", "url": "https://example.com/b",
})
resp = client.get("/api/webhooks/?event_type=run.completed", headers=auth_headers)
assert resp.json()["total"] == 1
assert resp.json()["items"][0]["event_type"] == "run.completed"
def test_list_requires_auth(self, client):
resp = client.get("/api/webhooks/")
assert resp.status_code == 401
class TestCreateWebhook:
def test_create_basic(self, client, admin_user, auth_headers):
resp = client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.completed",
"url": "https://example.com/hook",
})
assert resp.status_code == 201
data = resp.json()
assert data["event_type"] == "run.completed"
assert data["url"] == "https://example.com/hook"
assert data["is_active"] is True
assert data["headers"] is None
assert "id" in data
def test_create_with_headers(self, client, admin_user, auth_headers):
resp = client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "sweep.completed",
"url": "https://example.com/hook",
"headers": {"X-Custom": "value"},
})
assert resp.status_code == 201
assert resp.json()["headers"] == {"X-Custom": "value"}
def test_create_inactive(self, client, admin_user, auth_headers):
resp = client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.failed",
"url": "https://example.com/hook",
"is_active": False,
})
assert resp.status_code == 201
assert resp.json()["is_active"] is False
def test_create_requires_auth(self, client):
resp = client.post("/api/webhooks/", json={
"event_type": "run.completed",
"url": "https://example.com/hook",
})
assert resp.status_code == 401
def test_create_missing_fields(self, client, admin_user, auth_headers):
resp = client.post("/api/webhooks/", headers=auth_headers, json={})
assert resp.status_code == 422
class TestGetWebhook:
def test_get_existing(self, client, admin_user, auth_headers):
create = client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.completed", "url": "https://example.com/hook",
})
wh_id = create.json()["id"]
resp = client.get(f"/api/webhooks/{wh_id}", headers=auth_headers)
assert resp.status_code == 200
assert resp.json()["id"] == wh_id
def test_get_not_found(self, client, admin_user, auth_headers):
resp = client.get(f"/api/webhooks/{uuid.uuid4()}", headers=auth_headers)
assert resp.status_code == 404
class TestUpdateWebhook:
def test_update_event_type(self, client, admin_user, auth_headers):
create = client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.completed", "url": "https://example.com/hook",
})
wh_id = create.json()["id"]
resp = client.put(f"/api/webhooks/{wh_id}", headers=auth_headers, json={
"event_type": "run.failed",
})
assert resp.status_code == 200
assert resp.json()["event_type"] == "run.failed"
assert resp.json()["url"] == "https://example.com/hook" # unchanged
def test_update_url(self, client, admin_user, auth_headers):
create = client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.completed", "url": "https://example.com/old",
})
wh_id = create.json()["id"]
resp = client.put(f"/api/webhooks/{wh_id}", headers=auth_headers, json={
"url": "https://example.com/new",
})
assert resp.status_code == 200
assert resp.json()["url"] == "https://example.com/new"
def test_update_deactivate(self, client, admin_user, auth_headers):
create = client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.completed", "url": "https://example.com/hook",
})
wh_id = create.json()["id"]
resp = client.put(f"/api/webhooks/{wh_id}", headers=auth_headers, json={
"is_active": False,
})
assert resp.status_code == 200
assert resp.json()["is_active"] is False
def test_update_not_found(self, client, admin_user, auth_headers):
resp = client.put(f"/api/webhooks/{uuid.uuid4()}", headers=auth_headers, json={
"url": "https://example.com/new",
})
assert resp.status_code == 404
class TestDeleteWebhook:
def test_delete_existing(self, client, admin_user, auth_headers):
create = client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.completed", "url": "https://example.com/hook",
})
wh_id = create.json()["id"]
resp = client.delete(f"/api/webhooks/{wh_id}", headers=auth_headers)
assert resp.status_code == 204
# Verify deleted
resp = client.get(f"/api/webhooks/{wh_id}", headers=auth_headers)
assert resp.status_code == 404
def test_delete_not_found(self, client, admin_user, auth_headers):
resp = client.delete(f"/api/webhooks/{uuid.uuid4()}", headers=auth_headers)
assert resp.status_code == 404
def test_delete_cascades_deliveries(self, client, admin_user, auth_headers, db_session):
"""Deleting a webhook should cascade-delete its delivery records."""
from models import WebhookConfig, WebhookDelivery
create = client.post("/api/webhooks/", headers=auth_headers, json={
"event_type": "run.completed", "url": "https://example.com/hook",
})
wh_id = create.json()["id"]
# Manually add a delivery record
delivery = WebhookDelivery(
webhook_id=uuid.UUID(wh_id),
event_type="run.completed",
payload={"test": True},
success=True,
attempts=1,
)
db_session.add(delivery)
db_session.commit()
# Delete webhook — should cascade
resp = client.delete(f"/api/webhooks/{wh_id}", headers=auth_headers)
assert resp.status_code == 204
# Verify delivery is gone too
assert db_session.query(WebhookDelivery).filter(
WebhookDelivery.webhook_id == uuid.UUID(wh_id)
).count() == 0
# ---------------------------------------------------------------------------
# Webhook Dispatch Tests
# ---------------------------------------------------------------------------
class TestWebhookDispatch:
def test_get_active_webhooks(self, db_session, admin_user):
from engine.webhooks import get_active_webhooks
from models import WebhookConfig
wh1 = WebhookConfig(event_type="run.completed", url="https://a.com/hook", is_active=True)
wh2 = WebhookConfig(event_type="run.completed", url="https://b.com/hook", is_active=False)
wh3 = WebhookConfig(event_type="sweep.completed", url="https://c.com/hook", is_active=True)
db_session.add_all([wh1, wh2, wh3])
db_session.commit()
active = get_active_webhooks(db_session, "run.completed")
assert len(active) == 1
assert active[0].url == "https://a.com/hook"
def test_deliver_webhook_success(self, db_session, admin_user):
from engine.webhooks import deliver_webhook
from models import WebhookConfig, WebhookDelivery
wh = WebhookConfig(event_type="run.completed", url="https://example.com/hook", is_active=True)
db_session.add(wh)
db_session.commit()
db_session.refresh(wh)
import httpx
mock_response = MagicMock()
mock_response.status_code = 200
mock_response.text = "OK"
with patch("engine.webhooks.httpx.Client") as mock_client_cls:
mock_client = MagicMock()
mock_client.__enter__ = MagicMock(return_value=mock_client)
mock_client.__exit__ = MagicMock(return_value=False)
mock_client.post.return_value = mock_response
mock_client_cls.return_value = mock_client
result = deliver_webhook(db_session, wh, "run.completed", {"test": True})
assert result is True
deliveries = db_session.query(WebhookDelivery).all()
assert len(deliveries) == 1
assert deliveries[0].success is True
assert deliveries[0].status_code == 200
assert deliveries[0].attempts == 1
def test_deliver_webhook_retries_on_failure(self, db_session, admin_user):
from engine.webhooks import deliver_webhook
from models import WebhookConfig, WebhookDelivery
wh = WebhookConfig(event_type="run.completed", url="https://example.com/hook", is_active=True)
db_session.add(wh)
db_session.commit()
db_session.refresh(wh)
mock_response = MagicMock()
mock_response.status_code = 500
mock_response.text = "Internal Server Error"
with patch("engine.webhooks.httpx.Client") as mock_client_cls, \
patch("engine.webhooks.time.sleep"): # skip backoff delays
mock_client = MagicMock()
mock_client.__enter__ = MagicMock(return_value=mock_client)
mock_client.__exit__ = MagicMock(return_value=False)
mock_client.post.return_value = mock_response
mock_client_cls.return_value = mock_client
result = deliver_webhook(db_session, wh, "run.completed", {"test": True})
assert result is False
# Should have retried 3 times
assert mock_client.post.call_count == 3
deliveries = db_session.query(WebhookDelivery).all()
assert len(deliveries) == 1
assert deliveries[0].success is False
assert deliveries[0].attempts == 3
def test_deliver_webhook_retries_on_exception(self, db_session, admin_user):
from engine.webhooks import deliver_webhook
from models import WebhookConfig, WebhookDelivery
import httpx as httpx_lib
wh = WebhookConfig(event_type="run.completed", url="https://example.com/hook", is_active=True)
db_session.add(wh)
db_session.commit()
db_session.refresh(wh)
with patch("engine.webhooks.httpx.Client") as mock_client_cls, \
patch("engine.webhooks.time.sleep"):
mock_client = MagicMock()
mock_client.__enter__ = MagicMock(return_value=mock_client)
mock_client.__exit__ = MagicMock(return_value=False)
mock_client.post.side_effect = httpx_lib.ConnectError("Connection refused")
mock_client_cls.return_value = mock_client
result = deliver_webhook(db_session, wh, "run.completed", {"test": True})
assert result is False
deliveries = db_session.query(WebhookDelivery).all()
assert len(deliveries) == 1
assert deliveries[0].success is False
assert "ConnectError" in deliveries[0].error_message
def test_deliver_webhook_succeeds_on_retry(self, db_session, admin_user):
"""Test that delivery succeeds if a later retry succeeds."""
from engine.webhooks import deliver_webhook
from models import WebhookConfig, WebhookDelivery
wh = WebhookConfig(event_type="run.completed", url="https://example.com/hook", is_active=True)
db_session.add(wh)
db_session.commit()
db_session.refresh(wh)
fail_resp = MagicMock()
fail_resp.status_code = 503
fail_resp.text = "Service Unavailable"
ok_resp = MagicMock()
ok_resp.status_code = 200
ok_resp.text = "OK"
with patch("engine.webhooks.httpx.Client") as mock_client_cls, \
patch("engine.webhooks.time.sleep"):
mock_client = MagicMock()
mock_client.__enter__ = MagicMock(return_value=mock_client)
mock_client.__exit__ = MagicMock(return_value=False)
mock_client.post.side_effect = [fail_resp, ok_resp]
mock_client_cls.return_value = mock_client
result = deliver_webhook(db_session, wh, "run.completed", {"test": True})
assert result is True
deliveries = db_session.query(WebhookDelivery).all()
assert len(deliveries) == 1
assert deliveries[0].success is True
assert deliveries[0].attempts == 2
def test_dispatch_webhooks(self, db_session, admin_user):
from engine.webhooks import dispatch_webhooks
from models import WebhookConfig
wh1 = WebhookConfig(event_type="run.completed", url="https://a.com/hook", is_active=True)
wh2 = WebhookConfig(event_type="run.completed", url="https://b.com/hook", is_active=True)
db_session.add_all([wh1, wh2])
db_session.commit()
mock_response = MagicMock()
mock_response.status_code = 200
mock_response.text = "OK"
with patch("engine.webhooks.httpx.Client") as mock_client_cls:
mock_client = MagicMock()
mock_client.__enter__ = MagicMock(return_value=mock_client)
mock_client.__exit__ = MagicMock(return_value=False)
mock_client.post.return_value = mock_response
mock_client_cls.return_value = mock_client
successes = dispatch_webhooks(db_session, "run.completed", {"run_id": "123"})
assert successes == 2
def test_dispatch_webhooks_no_matches(self, db_session, admin_user):
from engine.webhooks import dispatch_webhooks
successes = dispatch_webhooks(db_session, "nonexistent.event", {"test": True})
assert successes == 0
def test_dispatch_webhooks_skips_inactive(self, db_session, admin_user):
from engine.webhooks import dispatch_webhooks
from models import WebhookConfig
wh = WebhookConfig(event_type="run.completed", url="https://a.com/hook", is_active=False)
db_session.add(wh)
db_session.commit()
successes = dispatch_webhooks(db_session, "run.completed", {"test": True})
assert successes == 0
def test_deliver_webhook_with_custom_headers(self, db_session, admin_user):
from engine.webhooks import deliver_webhook
from models import WebhookConfig
wh = WebhookConfig(
event_type="run.completed",
url="https://example.com/hook",
headers={"Authorization": "Bearer secret", "X-Custom": "value"},
is_active=True,
)
db_session.add(wh)
db_session.commit()
db_session.refresh(wh)
mock_response = MagicMock()
mock_response.status_code = 200
mock_response.text = "OK"
with patch("engine.webhooks.httpx.Client") as mock_client_cls:
mock_client = MagicMock()
mock_client.__enter__ = MagicMock(return_value=mock_client)
mock_client.__exit__ = MagicMock(return_value=False)
mock_client.post.return_value = mock_response
mock_client_cls.return_value = mock_client
deliver_webhook(db_session, wh, "run.completed", {"test": True})
# Verify custom headers were sent
call_kwargs = mock_client.post.call_args
headers = call_kwargs.kwargs.get("headers") or call_kwargs[1].get("headers")
assert headers["Authorization"] == "Bearer secret"
assert headers["X-Custom"] == "value"
assert headers["Content-Type"] == "application/json"
# ---------------------------------------------------------------------------
# Fire Webhooks (task dispatch) Tests
# ---------------------------------------------------------------------------
class TestFireWebhooks:
def test_fire_webhooks_sync_fallback(self, db_session, admin_user):
"""In single-container mode, fire_webhooks runs synchronously."""
from engine.tasks import fire_webhooks
from models import WebhookConfig
import engine.tasks as tasks_mod
wh = WebhookConfig(event_type="run.completed", url="https://example.com/hook", is_active=True)
db_session.add(wh)
db_session.commit()
mock_response = MagicMock()
mock_response.status_code = 200
mock_response.text = "OK"
# Force sync fallback: ensure redis_url is None (use_in_process_queue → True)
tasks_mod.settings.redis_url = None
with patch("engine.webhooks.httpx.Client") as mock_client_cls:
mock_client = MagicMock()
mock_client.__enter__ = MagicMock(return_value=mock_client)
mock_client.__exit__ = MagicMock(return_value=False)
mock_client.post.return_value = mock_response
mock_client_cls.return_value = mock_client
result = fire_webhooks("run.completed", {"run_id": "123"})
assert result.successful()
assert result.result["dispatched"] == 1
class TestWebhookDeliveryModel:
def test_delivery_model_creation(self, db_session, admin_user):
from models import WebhookConfig, WebhookDelivery
wh = WebhookConfig(event_type="run.completed", url="https://example.com/hook", is_active=True)
db_session.add(wh)
db_session.commit()
db_session.refresh(wh)
delivery = WebhookDelivery(
webhook_id=wh.id,
event_type="run.completed",
payload={"run_id": "123"},
status_code=200,
success=True,
attempts=1,
)
db_session.add(delivery)
db_session.commit()
db_session.refresh(delivery)
assert delivery.id is not None
assert delivery.webhook_id == wh.id
assert delivery.success is True
assert delivery.created_at is not None
def test_delivery_relationship(self, db_session, admin_user):
from models import WebhookConfig, WebhookDelivery
wh = WebhookConfig(event_type="run.completed", url="https://example.com/hook", is_active=True)
db_session.add(wh)
db_session.commit()
db_session.refresh(wh)
d1 = WebhookDelivery(webhook_id=wh.id, event_type="run.completed", success=True, attempts=1)
d2 = WebhookDelivery(webhook_id=wh.id, event_type="run.completed", success=False, attempts=3)
db_session.add_all([d1, d2])
db_session.commit()
db_session.refresh(wh)
assert len(wh.deliveries) == 2