Added webhooks subapp for instagram webhooks and celery app and task to pass comment text to an LLM for further processing

tests/test_health.py

@@ -2,7 +2,6 @@ from fastapi.testclient import TestClient
 
 from comment_automation.main import app
 
-
 client = TestClient(app)
 
 

tests/test_instagram_webhooks.py

@@ -0,0 +1,49 @@
+from fastapi.testclient import TestClient
+
+from comment_automation.main import app
+
+client = TestClient(app)
+
+
+def test_instagram_comment_webhook_enqueues_celery_task(monkeypatch) -> None:
+    captured_payload: dict = {}
+
+    class FakeAsyncResult:
+        id = "task-123"
+
+    def fake_delay(payload: dict) -> FakeAsyncResult:
+        captured_payload.update(payload)
+        return FakeAsyncResult()
+
+    monkeypatch.setattr(
+        "comment_automation.webhooks.services.send_instagram_comment_to_llm.delay",
+        fake_delay,
+    )
+
+    body = {
+        "object": "instagram",
+        "entry": [
+            {
+                "id": "17841400000000000",
+                "time": 1711799299,
+                "changes": [
+                    {
+                        "field": "comments",
+                        "value": {
+                            "from_id": "123456",
+                            "media_id": "17895695668004550",
+                            "comment_id": "17900000000000000",
+                            "text": "Nice post!",
+                            "timestamp": 1711799299,
+                        },
+                    }
+                ],
+            }
+        ],
+    }
+
+    response = client.post("/webhooks/instagram/comments", json=body)
+
+    assert response.status_code == 202
+    assert response.json() == {"status": "accepted", "task_id": "task-123"}
+    assert captured_payload == body

tests/test_webhook_tasks.py

@@ -0,0 +1,52 @@
+import pytest
+
+from comment_automation.webhooks.tasks import (
+    LLMEndpointConfigurationError,
+    LLMEndpointTemporaryError,
+    _forward_payload_to_llm,
+)
+
+
+def test_forward_payload_raises_when_endpoint_missing(monkeypatch) -> None:
+    monkeypatch.delenv("LLM_ENDPOINT_URL", raising=False)
+
+    with pytest.raises(LLMEndpointConfigurationError):
+        _forward_payload_to_llm({"hello": "world"})
+
+
+def test_forward_payload_retries_on_retryable_status(monkeypatch) -> None:
+    class FakeResponse:
+        status_code = 503
+
+        def raise_for_status(self) -> None:
+            return None
+
+    def fake_post(*args, **kwargs):
+        return FakeResponse()
+
+    monkeypatch.setenv("LLM_ENDPOINT_URL", "https://example.org/llm")
+    monkeypatch.setattr("comment_automation.webhooks.tasks.httpx.post", fake_post)
+
+    with pytest.raises(LLMEndpointTemporaryError):
+        _forward_payload_to_llm({"hello": "world"})
+
+
+def test_forward_payload_success(monkeypatch) -> None:
+    called = {"value": False}
+
+    class FakeResponse:
+        status_code = 200
+
+        def raise_for_status(self) -> None:
+            return None
+
+    def fake_post(*args, **kwargs):
+        called["value"] = True
+        return FakeResponse()
+
+    monkeypatch.setenv("LLM_ENDPOINT_URL", "https://example.org/llm")
+    monkeypatch.setattr("comment_automation.webhooks.tasks.httpx.post", fake_post)
+
+    _forward_payload_to_llm({"hello": "world"})
+
+    assert called["value"] is True