events/tests/test_ticket_email.py

from datetime import datetime, timezone

from lnbits.settings import settings

from ..models import Event, Ticket
from ..services import _ticket_notification_payload, build_ticket_email


def _event(**overrides) -> Event:
    data = {
        "id": "evt1",
        "wallet": "w",
        "name": "Test Event",
        "info": "",
        "closing_date": "2030-01-01",
        "event_start_date": "2030-01-01T16:00:00+01:00",
        "event_end_date": "2030-01-01T20:00:00+01:00",
        "location": "The Chateau",
        "amount_tickets": 10,
        "price_per_ticket": 5,
        "time": datetime.now(timezone.utc),
    }
    data.update(overrides)
    return Event(**data)


def _ticket(**overrides) -> Ticket:
    now = datetime.now(timezone.utc)
    data = {
        "id": "tkt1",
        "wallet": "w",
        "event": "evt1",
        "name": "Ada",
        "email": "ada@example.com",
        "registered": False,
        "paid": True,
        "time": now,
        "reg_timestamp": now,
    }
    data.update(overrides)
    return Ticket(**data)


def test_email_carries_date_message_id_and_display_name(monkeypatch):
    monkeypatch.setattr(settings, "lnbits_site_title", "Oyez!")
    msg = build_ticket_email(
        "tickets@example.org", ["ada@example.com"], "Subj", "text", "<p>html</p>"
    )
    assert msg["Date"]
    assert msg["Message-ID"].endswith("@example.org>")
    assert msg["From"] == "Oyez! <tickets@example.org>"
    parts = [p.get_content_type() for p in msg.get_payload()]
    assert parts == ["text/plain", "text/html"]


def test_email_attaches_the_ticket_card(monkeypatch):
    monkeypatch.setattr(settings, "lnbits_site_title", "Oyez!")
    png = b"\x89PNG\r\n\x1a\n" + b"0" * 32
    msg = build_ticket_email(
        "tickets@example.org",
        ["ada@example.com"],
        "Subj",
        "text",
        "<p>html</p>",
        attachments=[("ticket-test-8auNuuaB.png", png)],
    )
    assert msg.get_content_type() == "multipart/mixed"
    body, attachment = msg.get_payload()
    assert body.get_content_type() == "multipart/alternative"
    assert attachment.get_content_type() == "image/png"
    assert attachment.get_filename() == "ticket-test-8auNuuaB.png"
    assert attachment.get_payload(decode=True) == png


def test_payload_includes_event_details_and_qr(monkeypatch):
    monkeypatch.setattr(settings, "lnbits_baseurl", "https://lnbits.example/")
    subject, text, html = _ticket_notification_payload(_ticket(), _event())
    assert "Test Event" in subject
    for needle in (
        "Event: Test Event",
        "Where: The Chateau",
        "Name on ticket: Ada",
        "Ticket ID: tkt1",
        "at the door",
    ):
        assert needle in text
    assert "/events/api/v1/ticket-card/tkt1" in text
    assert "<img" not in html and "Ticket ID: tkt1" in html
    assert '<a href="https://lnbits.example/events/api/v1/ticket-card/tkt1">' in html


def test_reply_to_and_organizer_sender_name(monkeypatch):
    from ..services import organizer_sender_name

    monkeypatch.setattr(settings, "lnbits_site_title", "Oyez!")
    event = _event(
        extra={
            "organizer_name": "Château du Faune",
            "reply_to_email": "hello@faune.example",
        }
    )
    assert organizer_sender_name(event) == "Château du Faune via Oyez!"
    assert organizer_sender_name(_event()) == "Oyez!"

    msg = build_ticket_email(
        "tickets@example.org",
        ["ada@example.com"],
        "Subj",
        "text",
        None,
        reply_to="hello@faune.example",
        sender_name=organizer_sender_name(event),
    )
    assert msg["Reply-To"] == "hello@faune.example"
    # Non-ASCII display names are RFC 2047-encoded on the wire; decode to compare.
    from email.header import decode_header, make_header

    assert str(make_header(decode_header(msg["From"]))) == (
        "Château du Faune via Oyez! <tickets@example.org>"
    )

    no_reply = build_ticket_email(
        "tickets@example.org", ["ada@example.com"], "Subj", "text"
    )
    assert no_reply["Reply-To"] is None


def test_reply_hint_only_when_reply_to_exists(monkeypatch):
    monkeypatch.setattr(settings, "lnbits_baseurl", "https://lnbits.example/")
    event = _event(extra={"organizer_name": "Château du Faune"})
    _, text, _ = _ticket_notification_payload(
        _ticket(), event, reply_to="hello@faune.example"
    )
    assert "Organizer: Château du Faune" in text
    assert "Reply to this email and it reaches Château du Faune" in text
    _, text, _ = _ticket_notification_payload(_ticket(), event, reply_to=None)
    assert "Reply to this email" not in text


def test_blank_reply_to_email_is_none():
    from ..models import EventExtra

    assert EventExtra(reply_to_email="").reply_to_email is None
    assert EventExtra(reply_to_email="  ").reply_to_email is None
    assert EventExtra(reply_to_email="a@b.example").reply_to_email == "a@b.example"