mirror of
https://github.com/kuhyx/signal-bot.git
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Krzysztof kuhy Rudnicki
4b457da8f3
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
92 lines
3.1 KiB
Python
92 lines
3.1 KiB
Python
# Copyright (c) 2026 Krzysztof Rudnicki. MIT licence.
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"""The console entrypoint.
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`python main.py` used to do literally nothing: there was no __main__ block
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and no uvicorn.run() call anywhere in the project.
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"""
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from __future__ import annotations
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import runpy
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import pytest
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import uvicorn
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import signal_bot.__main__ as entrypoint
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from signal_bot.portcheck import PortInUseError
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BASE_ENV = {
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"PHONE_NUMBER": "+15550000000",
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"GROUP_IDS": "group.watched==",
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}
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@pytest.fixture(autouse=True)
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def _isolated_env(monkeypatch: pytest.MonkeyPatch) -> None:
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"""Keep the developer's own .env out of the entrypoint's decisions.
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load_dotenv() does not overwrite variables that are already set, but it
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happily *adds* ones that are not -- so a real .env carrying BIND_PORT
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would silently decide the outcome of the default-port test.
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"""
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monkeypatch.setattr("signal_bot.config.load_dotenv", lambda *a, **k: None)
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for key, value in BASE_ENV.items():
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monkeypatch.setenv(key, value)
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for key in ("BIND_HOST", "BIND_PORT", "GROUP_ID", "GROUP_ID_SEND"):
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monkeypatch.delenv(key, raising=False)
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@pytest.fixture
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def captured(monkeypatch: pytest.MonkeyPatch) -> dict[str, object]:
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seen: dict[str, object] = {}
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def fake_run(target: str, **kwargs: object) -> None:
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seen["target"] = target
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seen.update(kwargs)
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monkeypatch.setattr(entrypoint.uvicorn, "run", fake_run)
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monkeypatch.setattr(entrypoint, "assert_port_free", lambda host, port: None)
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return seen
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def test_runs_the_asgi_app_on_loopback_by_default(captured: dict[str, object]) -> None:
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entrypoint.main()
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assert captured["target"] == "signal_bot.app:app"
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assert captured["host"] == "127.0.0.1"
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assert captured["port"] == 8137
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def test_bind_overrides_are_honoured(
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captured: dict[str, object], monkeypatch: pytest.MonkeyPatch
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) -> None:
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# TEST-NET-1: proves the override without a bind-all literal.
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monkeypatch.setenv("BIND_HOST", "192.0.2.10")
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monkeypatch.setenv("BIND_PORT", "9001")
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entrypoint.main()
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assert captured["host"] == "192.0.2.10"
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assert captured["port"] == 9001
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def test_a_taken_port_exits_non_zero_instead_of_starting(
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captured: dict[str, object], monkeypatch: pytest.MonkeyPatch
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) -> None:
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"""uvicorn would log the collision and exit 0; the bot must not."""
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def refuse(host: str, port: int) -> None:
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msg = "cannot bind 127.0.0.1:8137 -- held by pid 1: /sbin/init"
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raise PortInUseError(msg)
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monkeypatch.setattr(entrypoint, "assert_port_free", refuse)
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with pytest.raises(SystemExit, match="held by pid 1"):
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entrypoint.main()
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assert "target" not in captured
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def test_module_runs_as_a_script(monkeypatch: pytest.MonkeyPatch) -> None:
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"""`python -m signal_bot` must actually start the server."""
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seen: dict[str, object] = {}
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monkeypatch.setattr(uvicorn, "run", lambda target, **kw: seen.update(target=target))
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monkeypatch.setattr("signal_bot.portcheck.assert_port_free", lambda host, port: None)
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runpy.run_module("signal_bot", run_name="__main__", alter_sys=True)
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assert seen["target"] == "signal_bot.app:app"
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