Event based webhooks (#296)

src/api-service/tests/test_webhook_hmac.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+#
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+import unittest
+from uuid import UUID
+
+from onefuzztypes.enums import WebhookEventType
+from onefuzztypes.webhooks import WebhookEventPing
+
+from __app__.onefuzzlib.webhooks import build_message
+
+
+class TestWebhookHmac(unittest.TestCase):
+    def test_webhook_hmac(self) -> None:
+        webhook_id = UUID(int=0)
+        event_id = UUID(int=1)
+        event_type = WebhookEventType.ping
+        event = WebhookEventPing(ping_id=UUID(int=2))
+
+        data, digest = build_message(
+            webhook_id=webhook_id, event_id=event_id, event_type=event_type, event=event
+        )
+
+        expected = (
+            b"{"
+            b'"event": {"ping_id": "00000000-0000-0000-0000-000000000002"}, '
+            b'"event_id": "00000000-0000-0000-0000-000000000001", '
+            b'"event_type": "ping", '
+            b'"webhook_id": "00000000-0000-0000-0000-000000000000"'
+            b"}"
+        )
+
+        expected_digest = (
+            "3502f83237ce006b7f6cfa40b89c0295009e3ccb0a1e62ce1d689700c2c6e698"
+            "61c0de81e011495c2ca89fbf99485b841cee257bcfba326a3edc66f39dc1feec"
+        )
+
+        print(repr(expected))
+        self.assertEqual(data, expected)
+        self.assertEqual(digest, None)
+
+        data, digest = build_message(
+            webhook_id=webhook_id,
+            event_id=event_id,
+            event_type=event_type,
+            event=event,
+            secret_token="hello there",
+        )
+        self.assertEqual(data, expected)
+        self.assertEqual(digest, expected_digest)