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# SPDX-FileCopyrightText: 2026 Dennis Fink <me+coding@dennisfink.me>
#
# SPDX-License-Identifier: BSD-3-Clause
import uuid
from datetime import UTC, datetime
from unittest.mock import Mock, call, patch
import pytest
import sqlalchemy as sa
from flask import Flask
from flask.testing import FlaskClient
from webmentions_ssg import DATABASE as db
from webmentions_ssg.models import (
ReceivedWebmention,
SentWebmention,
SentWebmentionStatus,
Source,
User,
)
def log_in(app: Flask, client: FlaskClient) -> None:
with app.app_context():
user = User(username="admin", password="test")
db.session.add(user)
db.session.commit()
user_id = user.id
with client.session_transaction() as session:
session["_user_id"] = str(user_id)
session["_fresh"] = True
def create_sent_source(app: Flask) -> uuid.UUID:
now = datetime.now(UTC)
with app.app_context():
source = Source(
path="blog/example/index.html",
url="https://dennisfink.me/blog/example/",
content_hash="0" * 32,
revision=2,
last_seen_at=now,
revised_at=now,
)
source.sent_webmentions.extend(
[
SentWebmention(
target="https://example.com/b",
active=True,
desired_revision=2,
processed_revision=2,
sent_revision=2,
status=SentWebmentionStatus.SENT,
endpoint="https://example.com/webmention",
response_status=202,
),
SentWebmention(
target="https://example.com/a",
active=True,
desired_revision=2,
processed_revision=2,
sent_revision=1,
status=SentWebmentionStatus.FAILED,
failure_reason="Webmention endpoint returned HTTP 400",
endpoint="https://example.com/webmention",
response_status=400,
),
]
)
db.session.add(source)
db.session.commit()
return source.uuid
def test_endpoint_only_accepts_post(client: FlaskClient) -> None:
response = client.get("/endpoint")
assert response.status_code == 405
@patch("webmentions_ssg.forms.validators.is_public_url", new=lambda url: True)
def test_endpoint_returns_form_errors(client: FlaskClient) -> None:
response = client.post(
"/endpoint",
data={
"source": "https://source.example/post",
"target": "https://example.com/post",
},
)
assert response.status_code == 400
errors = response.get_json()
assert errors is not None
assert "target" in errors
@patch("webmentions_ssg.forms.validators.is_public_url", new=lambda url: True)
@patch("webmentions_ssg.views.verify_webmention")
def test_endpoint_creates_webmention(
verify_webmention: Mock, app: Flask, client: FlaskClient
) -> None:
source = "https://source.example/post"
target = "https://dennisfink.me/blog/example/"
response = client.post("/endpoint", data={"source": source, "target": target})
assert response.status_code == 201
with app.app_context():
webmention = db.session.scalar(sa.select(ReceivedWebmention))
assert webmention is not None
assert webmention.source == source
assert webmention.target == target
assert webmention.status == "received"
assert webmention.failure_reason is None
identifier = webmention.uuid
assert response.headers["Location"].endswith(str(identifier))
verify_webmention.assert_called_once_with(identifier)
@patch("webmentions_ssg.forms.validators.is_public_url", new=lambda url: True)
@patch("webmentions_ssg.views.verify_webmention")
def test_endpoint_is_idempotent(
verify_webmention: Mock, app: Flask, client: FlaskClient
) -> None:
data = {
"source": "https://source.example/post",
"target": "https://dennisfink.me/blog/example/",
}
first_response = client.post("/endpoint", data=data)
second_response = client.post("/endpoint", data=data)
assert first_response.status_code == 201
assert second_response.status_code == 201
assert first_response.headers["Location"] == second_response.headers["Location"]
with app.app_context():
webmentions = db.session.scalars(sa.select(ReceivedWebmention)).all()
assert len(webmentions) == 1
webmention = webmentions[0]
assert webmention.source == data["source"]
assert webmention.target == data["target"]
assert webmention.status == "received"
assert webmention.failure_reason is None
identifier = webmention.uuid
assert verify_webmention.call_args_list == [call(identifier), call(identifier)]
@patch("webmentions_ssg.forms.validators.is_public_url", new=lambda url: True)
@patch("webmentions_ssg.views.verify_webmention")
def test_resending_resets_failure_state(
verify_webmention: Mock, app: Flask, client: FlaskClient
) -> None:
source = "https://source.example/post"
target = "https://dennisfink.me/blog/example/"
with app.app_context():
existing = ReceivedWebmention(
uuid=uuid.uuid7(),
source=source,
target=target,
status="failed",
failure_reason="Previous failure",
)
db.session.add(existing)
db.session.commit()
identifier = existing.uuid
response = client.post("/endpoint", data={"source": source, "target": target})
assert response.status_code == 201
with app.app_context():
webmention = db.session.get(ReceivedWebmention, identifier)
assert webmention is not None
assert webmention.status == "received"
assert webmention.failure_reason is None
verify_webmention.assert_called_once_with(identifier)
@pytest.mark.parametrize("path", ["/sent", f"/sent/{uuid.uuid7()}"])
def test_sent_views_require_login(client: FlaskClient, path: str) -> None:
response = client.get(path)
assert response.status_code == 302
assert "/login" in response.headers["Location"]
def test_sent_lists_sources(app: Flask, client: FlaskClient) -> None:
log_in(app, client)
identifier = create_sent_source(app)
response = client.get("/sent")
assert response.status_code == 200
html = response.get_data(as_text=True)
assert "blog/example/index.html" in html
assert "https://dennisfink.me/blog/example/" in html
assert f"/sent/{identifier}" in html
def test_sent_source_lists_webmentions(app: Flask, client: FlaskClient) -> None:
log_in(app, client)
identifier = create_sent_source(app)
response = client.get(f"/sent/{identifier}")
assert response.status_code == 200
html = response.get_data(as_text=True)
assert "blog/example/index.html" in html
assert "https://dennisfink.me/blog/example/" in html
first_target = "https://example.com/a"
second_target = "https://example.com/b"
assert first_target in html
assert second_target in html
assert html.index(first_target) < html.index(second_target)
assert "Webmention endpoint returned HTTP 400" in html
assert "https://example.com/webmention" in html
def test_sent_source_returns_404_for_unknown_source(
app: Flask, client: FlaskClient
) -> None:
log_in(app, client)
response = client.get(f"/sent/{uuid.uuid7()}")
assert response.status_code == 404
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