from app.platform import mailer


def test_logmailer_captures_to_outbox():
    m = mailer.LogMailer()
    assert m.outbox == []
    m.send("merchant@example.com", "Your ecomm code: 123456", "Code: 123456 (valid 10 min)")
    assert len(m.outbox) == 1
    msg = m.outbox[-1]
    assert msg.to == "merchant@example.com"
    assert msg.subject == "Your ecomm code: 123456"
    assert "123456" in msg.body


def test_build_mailer_log_kind():
    m = mailer.build_mailer("log")
    assert isinstance(m, mailer.LogMailer)


def test_build_mailer_smtp_not_yet_available():
    # SmtpMailer lands in SLICE-4; until then asking for it is an explicit error, not a
    # silent fallback to LogMailer (which would send no real mail in a deployed env).
    import pytest

    with pytest.raises(NotImplementedError):
        mailer.build_mailer("smtp")