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refactor: flatten padelnomics/padelnomics/ → repo root

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git mv all tracked files from the nested padelnomics/ workspace
directory to the git repo root. Merged .gitignore files.
No code changes — pure path rename.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Deeman
2026-02-22 00:44:40 +01:00
parent 5e471567b9
commit 4ae00b35d1
235 changed files with 45 additions and 42 deletions
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308
web/tests/test_billing_webhooks.py Normal file
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"""
Integration tests for Paddle webhook handling.
Covers signature verification, event parsing, subscription lifecycle transitions, and Hypothesis fuzzing.
"""
import json
import pytest
from conftest import make_webhook_payload, sign_payload
from hypothesis import HealthCheck, given
from hypothesis import settings as h_settings
from hypothesis import strategies as st
from padelnomics.billing.routes import get_subscription
WEBHOOK_PATH = "/billing/webhook/paddle"
SIG_HEADER = "Paddle-Signature"
# ════════════════════════════════════════════════════════════
# Signature Verification
# ════════════════════════════════════════════════════════════
class TestWebhookSignature:
async def test_missing_signature_rejected(self, client, db):
payload = make_webhook_payload("subscription.activated")
payload_bytes = json.dumps(payload).encode()
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={"Content-Type": "application/json"},
)
assert response.status_code in (400, 401)
async def test_invalid_signature_rejected(self, client, db):
payload = make_webhook_payload("subscription.activated")
payload_bytes = json.dumps(payload).encode()
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: "invalid_signature", "Content-Type": "application/json"},
)
assert response.status_code in (400, 401)
async def test_valid_signature_accepted(self, client, db, test_user):
payload = make_webhook_payload("subscription.activated", user_id=str(test_user["id"]))
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code in (200, 204)
async def test_modified_payload_rejected(self, client, db, test_user):
payload = make_webhook_payload("subscription.activated", user_id=str(test_user["id"]))
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
tampered = payload_bytes + b"extra"
response = await client.post(
WEBHOOK_PATH,
data=tampered,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code in (400, 401)
async def test_empty_payload_rejected(self, client, db):
sig = sign_payload(b"")
response = await client.post(
WEBHOOK_PATH,
data=b"",
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code == 400
async def test_null_custom_data_does_not_crash(self, client, db):
"""Paddle sends null custom_data on lifecycle events like subscription.updated."""
payload = {
"event_type": "subscription.updated",
"data": {
"id": "sub_test456",
"status": "active",
"customer_id": "ctm_test123",
"custom_data": None,
"current_billing_period": {
"starts_at": "2025-02-01T00:00:00.000000Z",
"ends_at": "2025-03-01T00:00:00.000000Z",
},
},
}
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code == 200
async def test_null_custom_data_activated_does_not_crash(self, client, db):
"""subscription.activated with null custom_data must not FK-violate on user_id=0."""
payload = {
"event_type": "subscription.activated",
"data": {
"id": "sub_test456",
"status": "active",
"customer_id": "ctm_test123",
"custom_data": None,
"current_billing_period": {
"starts_at": "2025-02-01T00:00:00.000000Z",
"ends_at": "2025-03-01T00:00:00.000000Z",
},
},
}
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code == 200
async def test_null_data_does_not_crash(self, client, db):
"""Guard against data being null in the event payload."""
payload = {
"event_type": "subscription.updated",
"data": None,
}
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code == 200
# ════════════════════════════════════════════════════════════
# Subscription Lifecycle Events
# ════════════════════════════════════════════════════════════
class TestWebhookSubscriptionActivated:
async def test_creates_subscription(self, client, db, test_user):
payload = make_webhook_payload(
"subscription.activated",
user_id=str(test_user["id"]),
plan="starter",
)
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code in (200, 204)
sub = await get_subscription(test_user["id"])
assert sub is not None
assert sub["plan"] == "starter"
assert sub["status"] == "active"
class TestWebhookSubscriptionUpdated:
async def test_updates_subscription_status(self, client, db, test_user, create_subscription):
await create_subscription(test_user["id"], status="active", provider_subscription_id="sub_test456")
payload = make_webhook_payload(
"subscription.updated",
subscription_id="sub_test456",
status="paused",
)
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code in (200, 204)
sub = await get_subscription(test_user["id"])
assert sub["status"] == "paused"
class TestWebhookSubscriptionCanceled:
async def test_marks_subscription_cancelled(self, client, db, test_user, create_subscription):
await create_subscription(test_user["id"], status="active", provider_subscription_id="sub_test456")
payload = make_webhook_payload(
"subscription.canceled",
subscription_id="sub_test456",
)
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code in (200, 204)
sub = await get_subscription(test_user["id"])
assert sub["status"] == "cancelled"
class TestWebhookSubscriptionPastDue:
async def test_marks_subscription_past_due(self, client, db, test_user, create_subscription):
await create_subscription(test_user["id"], status="active", provider_subscription_id="sub_test456")
payload = make_webhook_payload(
"subscription.past_due",
subscription_id="sub_test456",
)
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code in (200, 204)
sub = await get_subscription(test_user["id"])
assert sub["status"] == "past_due"
# ════════════════════════════════════════════════════════════
# Parameterized: event -> status transitions
# ════════════════════════════════════════════════════════════
@pytest.mark.parametrize("event_type,expected_status", [
("subscription.activated", "active"),
("subscription.updated", "active"),
("subscription.canceled", "cancelled"),
("subscription.past_due", "past_due"),
])
async def test_event_status_transitions(client, db, test_user, create_subscription, event_type, expected_status):
if event_type != "subscription.activated":
await create_subscription(test_user["id"], provider_subscription_id="sub_test456")
payload = make_webhook_payload(event_type, user_id=str(test_user["id"]))
payload_bytes = json.dumps(payload).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code in (200, 204)
sub = await get_subscription(test_user["id"])
assert sub["status"] == expected_status
# ════════════════════════════════════════════════════════════
# Hypothesis: fuzz webhook payloads
# ════════════════════════════════════════════════════════════
fuzz_event_type = st.sampled_from([
"subscription.activated",
"subscription.updated",
"subscription.canceled",
"subscription.past_due",
])
fuzz_status = st.sampled_from(["active", "paused", "past_due", "canceled"])
@st.composite
def fuzz_payload(draw):
event_type = draw(fuzz_event_type)
return make_webhook_payload(
event_type=event_type,
subscription_id=f"sub_{draw(st.integers(min_value=100, max_value=999999))}",
user_id=str(draw(st.integers(min_value=1, max_value=999999))),
status=draw(fuzz_status),
)
class TestWebhookHypothesis:
@given(payload_dict=fuzz_payload())
@h_settings(max_examples=50, deadline=5000, suppress_health_check=[HealthCheck.function_scoped_fixture])
async def test_webhook_never_500s(self, client, db, test_user, payload_dict):
# Pin user_id to the test user so subscription_created/activated events don't hit FK violations
payload_dict["data"]["custom_data"]["user_id"] = str(test_user["id"])
payload_bytes = json.dumps(payload_dict).encode()
sig = sign_payload(payload_bytes)
response = await client.post(
WEBHOOK_PATH,
data=payload_bytes,
headers={SIG_HEADER: sig, "Content-Type": "application/json"},
)
assert response.status_code < 500