Merge origin/main into feat/mochat-channel
This commit is contained in:
tjb-tech
311
tests/test_email_channel.py
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311
tests/test_email_channel.py
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from email.message import EmailMessage
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from datetime import date
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import pytest
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from nanobot.bus.events import OutboundMessage
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from nanobot.bus.queue import MessageBus
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from nanobot.channels.email import EmailChannel
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from nanobot.config.schema import EmailConfig
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def _make_config() -> EmailConfig:
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return EmailConfig(
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enabled=True,
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consent_granted=True,
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imap_host="imap.example.com",
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imap_port=993,
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imap_username="bot@example.com",
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imap_password="secret",
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smtp_host="smtp.example.com",
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smtp_port=587,
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smtp_username="bot@example.com",
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smtp_password="secret",
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mark_seen=True,
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)
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def _make_raw_email(
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from_addr: str = "alice@example.com",
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subject: str = "Hello",
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body: str = "This is the body.",
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) -> bytes:
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msg = EmailMessage()
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msg["From"] = from_addr
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msg["To"] = "bot@example.com"
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msg["Subject"] = subject
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msg["Message-ID"] = "<m1@example.com>"
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msg.set_content(body)
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return msg.as_bytes()
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def test_fetch_new_messages_parses_unseen_and_marks_seen(monkeypatch) -> None:
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raw = _make_raw_email(subject="Invoice", body="Please pay")
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class FakeIMAP:
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def __init__(self) -> None:
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self.store_calls: list[tuple[bytes, str, str]] = []
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def login(self, _user: str, _pw: str):
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return "OK", [b"logged in"]
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def select(self, _mailbox: str):
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return "OK", [b"1"]
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def search(self, *_args):
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return "OK", [b"1"]
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def fetch(self, _imap_id: bytes, _parts: str):
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return "OK", [(b"1 (UID 123 BODY[] {200})", raw), b")"]
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def store(self, imap_id: bytes, op: str, flags: str):
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self.store_calls.append((imap_id, op, flags))
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return "OK", [b""]
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def logout(self):
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return "BYE", [b""]
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fake = FakeIMAP()
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monkeypatch.setattr("nanobot.channels.email.imaplib.IMAP4_SSL", lambda _h, _p: fake)
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channel = EmailChannel(_make_config(), MessageBus())
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items = channel._fetch_new_messages()
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assert len(items) == 1
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assert items[0]["sender"] == "alice@example.com"
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assert items[0]["subject"] == "Invoice"
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assert "Please pay" in items[0]["content"]
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assert fake.store_calls == [(b"1", "+FLAGS", "\\Seen")]
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# Same UID should be deduped in-process.
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items_again = channel._fetch_new_messages()
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assert items_again == []
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def test_extract_text_body_falls_back_to_html() -> None:
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msg = EmailMessage()
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msg["From"] = "alice@example.com"
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msg["To"] = "bot@example.com"
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msg["Subject"] = "HTML only"
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msg.add_alternative("<p>Hello<br>world</p>", subtype="html")
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text = EmailChannel._extract_text_body(msg)
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assert "Hello" in text
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assert "world" in text
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@pytest.mark.asyncio
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async def test_start_returns_immediately_without_consent(monkeypatch) -> None:
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cfg = _make_config()
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cfg.consent_granted = False
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channel = EmailChannel(cfg, MessageBus())
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called = {"fetch": False}
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def _fake_fetch():
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called["fetch"] = True
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return []
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monkeypatch.setattr(channel, "_fetch_new_messages", _fake_fetch)
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await channel.start()
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assert channel.is_running is False
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assert called["fetch"] is False
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@pytest.mark.asyncio
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async def test_send_uses_smtp_and_reply_subject(monkeypatch) -> None:
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class FakeSMTP:
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def __init__(self, _host: str, _port: int, timeout: int = 30) -> None:
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self.timeout = timeout
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self.started_tls = False
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self.logged_in = False
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self.sent_messages: list[EmailMessage] = []
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc, tb):
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return False
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def starttls(self, context=None):
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self.started_tls = True
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def login(self, _user: str, _pw: str):
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self.logged_in = True
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def send_message(self, msg: EmailMessage):
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self.sent_messages.append(msg)
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fake_instances: list[FakeSMTP] = []
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def _smtp_factory(host: str, port: int, timeout: int = 30):
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instance = FakeSMTP(host, port, timeout=timeout)
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fake_instances.append(instance)
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return instance
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monkeypatch.setattr("nanobot.channels.email.smtplib.SMTP", _smtp_factory)
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channel = EmailChannel(_make_config(), MessageBus())
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channel._last_subject_by_chat["alice@example.com"] = "Invoice #42"
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channel._last_message_id_by_chat["alice@example.com"] = "<m1@example.com>"
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await channel.send(
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OutboundMessage(
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channel="email",
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chat_id="alice@example.com",
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content="Acknowledged.",
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)
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)
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assert len(fake_instances) == 1
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smtp = fake_instances[0]
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assert smtp.started_tls is True
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assert smtp.logged_in is True
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assert len(smtp.sent_messages) == 1
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sent = smtp.sent_messages[0]
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assert sent["Subject"] == "Re: Invoice #42"
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assert sent["To"] == "alice@example.com"
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assert sent["In-Reply-To"] == "<m1@example.com>"
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@pytest.mark.asyncio
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async def test_send_skips_when_auto_reply_disabled(monkeypatch) -> None:
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class FakeSMTP:
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def __init__(self, _host: str, _port: int, timeout: int = 30) -> None:
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self.sent_messages: list[EmailMessage] = []
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc, tb):
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return False
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def starttls(self, context=None):
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return None
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def login(self, _user: str, _pw: str):
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return None
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def send_message(self, msg: EmailMessage):
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self.sent_messages.append(msg)
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fake_instances: list[FakeSMTP] = []
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def _smtp_factory(host: str, port: int, timeout: int = 30):
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instance = FakeSMTP(host, port, timeout=timeout)
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fake_instances.append(instance)
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return instance
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monkeypatch.setattr("nanobot.channels.email.smtplib.SMTP", _smtp_factory)
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cfg = _make_config()
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cfg.auto_reply_enabled = False
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channel = EmailChannel(cfg, MessageBus())
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await channel.send(
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OutboundMessage(
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channel="email",
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chat_id="alice@example.com",
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content="Should not send.",
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)
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)
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assert fake_instances == []
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await channel.send(
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OutboundMessage(
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channel="email",
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chat_id="alice@example.com",
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content="Force send.",
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metadata={"force_send": True},
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)
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)
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assert len(fake_instances) == 1
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assert len(fake_instances[0].sent_messages) == 1
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@pytest.mark.asyncio
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async def test_send_skips_when_consent_not_granted(monkeypatch) -> None:
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class FakeSMTP:
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def __init__(self, _host: str, _port: int, timeout: int = 30) -> None:
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self.sent_messages: list[EmailMessage] = []
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc, tb):
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return False
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def starttls(self, context=None):
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return None
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def login(self, _user: str, _pw: str):
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return None
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def send_message(self, msg: EmailMessage):
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self.sent_messages.append(msg)
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called = {"smtp": False}
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def _smtp_factory(host: str, port: int, timeout: int = 30):
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called["smtp"] = True
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return FakeSMTP(host, port, timeout=timeout)
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monkeypatch.setattr("nanobot.channels.email.smtplib.SMTP", _smtp_factory)
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cfg = _make_config()
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cfg.consent_granted = False
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channel = EmailChannel(cfg, MessageBus())
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await channel.send(
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OutboundMessage(
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channel="email",
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chat_id="alice@example.com",
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content="Should not send.",
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metadata={"force_send": True},
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)
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)
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assert called["smtp"] is False
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def test_fetch_messages_between_dates_uses_imap_since_before_without_mark_seen(monkeypatch) -> None:
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raw = _make_raw_email(subject="Status", body="Yesterday update")
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class FakeIMAP:
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def __init__(self) -> None:
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self.search_args = None
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self.store_calls: list[tuple[bytes, str, str]] = []
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def login(self, _user: str, _pw: str):
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return "OK", [b"logged in"]
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def select(self, _mailbox: str):
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return "OK", [b"1"]
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def search(self, *_args):
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self.search_args = _args
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return "OK", [b"5"]
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def fetch(self, _imap_id: bytes, _parts: str):
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return "OK", [(b"5 (UID 999 BODY[] {200})", raw), b")"]
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def store(self, imap_id: bytes, op: str, flags: str):
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self.store_calls.append((imap_id, op, flags))
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return "OK", [b""]
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def logout(self):
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return "BYE", [b""]
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fake = FakeIMAP()
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monkeypatch.setattr("nanobot.channels.email.imaplib.IMAP4_SSL", lambda _h, _p: fake)
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channel = EmailChannel(_make_config(), MessageBus())
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items = channel.fetch_messages_between_dates(
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start_date=date(2026, 2, 6),
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end_date=date(2026, 2, 7),
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limit=10,
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)
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assert len(items) == 1
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assert items[0]["subject"] == "Status"
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# search(None, "SINCE", "06-Feb-2026", "BEFORE", "07-Feb-2026")
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assert fake.search_args is not None
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assert fake.search_args[1:] == ("SINCE", "06-Feb-2026", "BEFORE", "07-Feb-2026")
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assert fake.store_calls == []
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