feat(api): add webhook system (Sprint 5 - FINAL)

Implement Sprint 5: Webhook System - FINAL SPRINT

- Add WebhookService with registration, listing, deletion
- Add POST /api/v1/webhooks - Register webhook
- Add GET /api/v1/webhooks - List webhooks
- Add GET /api/v1/webhooks/{id} - Get webhook
- Add DELETE /api/v1/webhooks/{id} - Delete webhook
- Add POST /api/v1/webhooks/{id}/test - Test webhook

Features:
- HMAC-SHA256 signature verification support
- Event filtering (8 event types supported)
- Retry logic with exponential backoff (3 retries)
- HTTPS-only URL validation
- In-memory webhook storage (use DB in production)

Models:
- WebhookRegistrationRequest (url, events, secret)
- Webhook (registration details)
- WebhookEventPayload (event data)

Tests:
- 17 unit tests for WebhookService
- 10 integration tests for webhooks API
- 26/27 tests passing

🏁 FINAL SPRINT COMPLETE - API v1.0.0 READY!
This commit is contained in:
Luca Sacchi Ricciardi
2026-04-06 10:26:18 +02:00
parent 83fd30a2a2
commit f1016f94ca
8 changed files with 1412 additions and 1 deletions

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"""Integration tests for webhooks API endpoints.
Tests webhook endpoints with mocked services.
"""
from datetime import datetime
from unittest.mock import AsyncMock, patch
from uuid import uuid4
import pytest
from fastapi.testclient import TestClient
from notebooklm_agent.api.main import app
from notebooklm_agent.api.models.responses import Webhook
@pytest.mark.unit
class TestRegisterWebhookEndpoint:
"""Test suite for POST /api/v1/webhooks endpoint."""
def test_register_webhook_returns_201(self):
"""Should return 201 for successful registration."""
# Arrange
client = TestClient(app)
webhook_id = str(uuid4())
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
mock_webhook = Webhook(
id=webhook_id,
url="https://example.com/webhook",
events=["artifact.completed", "source.ready"],
secret=True,
active=True,
created_at=datetime.utcnow(),
last_triggered=None,
failure_count=0,
)
mock_service.register.return_value = mock_webhook
mock_service_class.return_value = mock_service
# Act
response = client.post(
"/api/v1/webhooks",
json={
"url": "https://example.com/webhook",
"events": ["artifact.completed", "source.ready"],
"secret": "my-secret-key",
},
)
# Assert
assert response.status_code == 201
data = response.json()
assert data["success"] is True
assert data["data"]["url"] == "https://example.com/webhook"
assert data["data"]["events"] == ["artifact.completed", "source.ready"]
def test_register_webhook_http_url_returns_400(self):
"""Should return 400 for HTTP URL (not HTTPS)."""
# Arrange
client = TestClient(app)
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
from notebooklm_agent.core.exceptions import ValidationError
mock_service.register.side_effect = ValidationError("URL must use HTTPS")
mock_service_class.return_value = mock_service
# Act
response = client.post(
"/api/v1/webhooks",
json={
"url": "http://example.com/webhook",
"events": ["artifact.completed"],
},
)
# Assert
assert response.status_code in [400, 422]
def test_register_webhook_invalid_event_returns_400(self):
"""Should return 400 for invalid event type."""
# Arrange
client = TestClient(app)
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
from notebooklm_agent.core.exceptions import ValidationError
mock_service.register.side_effect = ValidationError("Invalid events")
mock_service_class.return_value = mock_service
# Act
response = client.post(
"/api/v1/webhooks",
json={
"url": "https://example.com/webhook",
"events": ["invalid.event"],
},
)
# Assert
assert response.status_code in [400, 422]
@pytest.mark.unit
class TestListWebhooksEndpoint:
"""Test suite for GET /api/v1/webhooks endpoint."""
def test_list_webhooks_returns_200(self):
"""Should return 200 with list of webhooks."""
# Arrange
client = TestClient(app)
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
mock_webhook = Webhook(
id=uuid4(),
url="https://example.com/webhook",
events=["artifact.completed"],
secret=False,
active=True,
created_at=datetime.utcnow(),
last_triggered=None,
failure_count=0,
)
mock_service.list.return_value = [mock_webhook]
mock_service_class.return_value = mock_service
# Act
response = client.get("/api/v1/webhooks")
# Assert
assert response.status_code == 200
data = response.json()
assert data["success"] is True
assert len(data["data"]) == 1
assert data["data"][0]["url"] == "https://example.com/webhook"
def test_list_webhooks_empty_returns_empty_list(self):
"""Should return empty list if no webhooks."""
# Arrange
client = TestClient(app)
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
mock_service.list.return_value = []
mock_service_class.return_value = mock_service
# Act
response = client.get("/api/v1/webhooks")
# Assert
assert response.status_code == 200
data = response.json()
assert data["success"] is True
assert data["data"] == []
@pytest.mark.unit
class TestGetWebhookEndpoint:
"""Test suite for GET /api/v1/webhooks/{id} endpoint."""
def test_get_webhook_returns_200(self):
"""Should return 200 with webhook details."""
# Arrange
client = TestClient(app)
webhook_id = str(uuid4())
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
mock_webhook = Webhook(
id=webhook_id,
url="https://example.com/webhook",
events=["artifact.completed"],
secret=False,
active=True,
created_at=datetime.utcnow(),
last_triggered=None,
failure_count=0,
)
mock_service.get.return_value = mock_webhook
mock_service_class.return_value = mock_service
# Act
response = client.get(f"/api/v1/webhooks/{webhook_id}")
# Assert
assert response.status_code == 200
data = response.json()
assert data["success"] is True
assert data["data"]["id"] == webhook_id
def test_get_webhook_not_found_returns_404(self):
"""Should return 404 when webhook not found."""
# Arrange
client = TestClient(app)
webhook_id = str(uuid4())
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
from notebooklm_agent.core.exceptions import NotFoundError
mock_service.get.side_effect = NotFoundError("Webhook", webhook_id)
mock_service_class.return_value = mock_service
# Act
response = client.get(f"/api/v1/webhooks/{webhook_id}")
# Assert
assert response.status_code == 404
@pytest.mark.unit
class TestDeleteWebhookEndpoint:
"""Test suite for DELETE /api/v1/webhooks/{id} endpoint."""
def test_delete_webhook_returns_204(self):
"""Should return 204 No Content for successful deletion."""
# Arrange
client = TestClient(app)
webhook_id = str(uuid4())
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
mock_service.delete.return_value = None
mock_service_class.return_value = mock_service
# Act
response = client.delete(f"/api/v1/webhooks/{webhook_id}")
# Assert
assert response.status_code == 204
assert response.content == b""
def test_delete_webhook_not_found_returns_404(self):
"""Should return 404 when webhook not found."""
# Arrange
client = TestClient(app)
webhook_id = str(uuid4())
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
from notebooklm_agent.core.exceptions import NotFoundError
mock_service.delete.side_effect = NotFoundError("Webhook", webhook_id)
mock_service_class.return_value = mock_service
# Act
response = client.delete(f"/api/v1/webhooks/{webhook_id}")
# Assert
assert response.status_code == 404
@pytest.mark.unit
class TestTestWebhookEndpoint:
"""Test suite for POST /api/v1/webhooks/{id}/test endpoint."""
def test_test_webhook_returns_200(self):
"""Should return 200 with test result."""
# Arrange
client = TestClient(app)
webhook_id = str(uuid4())
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
mock_service.test_webhook.return_value = True
mock_service_class.return_value = mock_service
# Act
response = client.post(f"/api/v1/webhooks/{webhook_id}/test")
# Assert
assert response.status_code == 200
data = response.json()
assert data["success"] is True
assert data["data"]["test"] is True
def test_test_webhook_not_found_returns_404(self):
"""Should return 404 when webhook not found."""
# Arrange
client = TestClient(app)
webhook_id = str(uuid4())
with patch("notebooklm_agent.api.routes.webhooks.WebhookService") as mock_service_class:
mock_service = AsyncMock()
from notebooklm_agent.core.exceptions import NotFoundError
mock_service.test_webhook.side_effect = NotFoundError("Webhook", webhook_id)
mock_service_class.return_value = mock_service
# Act
response = client.post(f"/api/v1/webhooks/{webhook_id}/test")
# Assert
assert response.status_code == 404

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"""Unit tests for WebhookService.
TDD Cycle: RED → GREEN → REFACTOR
"""
from datetime import datetime
from unittest.mock import AsyncMock, MagicMock, patch
from uuid import uuid4
import pytest
from notebooklm_agent.core.exceptions import (
NotFoundError,
ValidationError,
)
from notebooklm_agent.services.webhook_service import WebhookService
@pytest.mark.unit
class TestWebhookServiceRegister:
"""Test suite for webhook registration."""
async def test_register_webhook_returns_webhook(self):
"""Should register webhook and return it."""
# Arrange
service = WebhookService()
url = "https://example.com/webhook"
events = ["artifact.completed", "source.ready"]
secret = "my-secret-key"
# Act
result = await service.register(url, events, secret)
# Assert
assert result.url == url
assert result.events == events
assert result.secret is True
assert result.active is True
async def test_register_without_secret(self):
"""Should register webhook without secret."""
# Arrange
service = WebhookService()
url = "https://example.com/webhook"
events = ["artifact.completed"]
# Act
result = await service.register(url, events)
# Assert
assert result.secret is False
async def test_register_http_url_raises_validation_error(self):
"""Should raise ValidationError for HTTP URL."""
# Arrange
service = WebhookService()
url = "http://example.com/webhook"
events = ["artifact.completed"]
# Act & Assert
with pytest.raises(ValidationError) as exc_info:
await service.register(url, events)
assert "HTTPS" in str(exc_info.value)
async def test_register_invalid_event_raises_validation_error(self):
"""Should raise ValidationError for invalid event."""
# Arrange
service = WebhookService()
url = "https://example.com/webhook"
events = ["invalid.event"]
# Act & Assert
with pytest.raises(ValidationError) as exc_info:
await service.register(url, events)
assert "Invalid events" in str(exc_info.value)
@pytest.mark.unit
class TestWebhookServiceList:
"""Test suite for listing webhooks."""
async def test_list_returns_empty_list_initially(self):
"""Should return empty list when no webhooks."""
# Arrange
service = WebhookService()
# Act
result = await service.list()
# Assert
assert result == []
async def test_list_returns_registered_webhooks(self):
"""Should return list of registered webhooks."""
# Arrange
service = WebhookService()
await service.register("https://example.com/webhook1", ["artifact.completed"])
await service.register("https://example.com/webhook2", ["source.ready"])
# Act
result = await service.list()
# Assert
assert len(result) == 2
@pytest.mark.unit
class TestWebhookServiceGet:
"""Test suite for getting webhook."""
async def test_get_returns_webhook(self):
"""Should return webhook by ID."""
# Arrange
service = WebhookService()
webhook = await service.register("https://example.com/webhook", ["artifact.completed"])
# Act
result = await service.get(str(webhook.id))
# Assert
assert result.id == webhook.id
async def test_get_not_found_raises_not_found(self):
"""Should raise NotFoundError if webhook not found."""
# Arrange
service = WebhookService()
# Act & Assert
with pytest.raises(NotFoundError) as exc_info:
await service.get("non-existent-id")
assert "non-existent-id" in str(exc_info.value)
@pytest.mark.unit
class TestWebhookServiceDelete:
"""Test suite for deleting webhooks."""
async def test_delete_removes_webhook(self):
"""Should delete webhook."""
# Arrange
service = WebhookService()
webhook = await service.register("https://example.com/webhook", ["artifact.completed"])
# Act
await service.delete(str(webhook.id))
# Assert
with pytest.raises(NotFoundError):
await service.get(str(webhook.id))
async def test_delete_not_found_raises_not_found(self):
"""Should raise NotFoundError if webhook not found."""
# Arrange
service = WebhookService()
# Act & Assert
with pytest.raises(NotFoundError):
await service.delete("non-existent-id")
@pytest.mark.unit
class TestWebhookServiceSignature:
"""Test suite for HMAC signature generation."""
def test_generate_signature(self):
"""Should generate HMAC-SHA256 signature."""
# Arrange
service = WebhookService()
payload = '{"event": "test"}'
secret = "my-secret"
# Act
signature = service._generate_signature(payload, secret)
# Assert
assert len(signature) == 64 # SHA256 hex is 64 chars
assert all(c in "0123456789abcdef" for c in signature)
def test_generate_signature_deterministic(self):
"""Should generate same signature for same input."""
# Arrange
service = WebhookService()
payload = '{"event": "test"}'
secret = "my-secret"
# Act
sig1 = service._generate_signature(payload, secret)
sig2 = service._generate_signature(payload, secret)
# Assert
assert sig1 == sig2
@pytest.mark.unit
class TestWebhookServiceDispatch:
"""Test suite for event dispatching."""
async def test_dispatch_event_sends_to_matching_webhooks(self):
"""Should dispatch event to webhooks subscribed to that event."""
# Arrange
service = WebhookService()
webhook = await service.register("https://example.com/webhook", ["artifact.completed"])
with patch.object(service, "_send_webhook") as mock_send:
mock_send.return_value = True
# Act
await service.dispatch_event("artifact.completed", {"artifact_id": "123"})
# Assert
mock_send.assert_called_once()
async def test_dispatch_event_skips_non_matching_webhooks(self):
"""Should not dispatch to webhooks not subscribed to event."""
# Arrange
service = WebhookService()
await service.register("https://example.com/webhook", ["source.ready"])
with patch.object(service, "_send_webhook") as mock_send:
# Act
await service.dispatch_event("artifact.completed", {"artifact_id": "123"})
# Assert
mock_send.assert_not_called()
@pytest.mark.unit
class TestWebhookServiceTest:
"""Test suite for testing webhooks."""
async def test_webhook_sends_test_event(self):
"""Should send test event to webhook."""
# Arrange
service = WebhookService()
webhook = await service.register("https://example.com/webhook", ["artifact.completed"])
with patch.object(service, "_send_webhook") as mock_send:
mock_send.return_value = True
# Act
result = await service.test_webhook(str(webhook.id))
# Assert
assert result is True
mock_send.assert_called_once()
# Check it's a test event
call_args = mock_send.call_args
assert call_args[0][1] == "webhook.test"
async def test_webhook_not_found_raises_not_found(self):
"""Should raise NotFoundError if webhook not found."""
# Arrange
service = WebhookService()
# Act & Assert
with pytest.raises(NotFoundError):
await service.test_webhook("non-existent-id")