222 lines
7.0 KiB
Python
222 lines
7.0 KiB
Python
"""Tests for notifier module: FanoutNotifier, DiscordNotifier, TelegramNotifier."""
|
|
from __future__ import annotations
|
|
|
|
import json
|
|
import time
|
|
from pathlib import Path
|
|
|
|
import pytest
|
|
|
|
from atm.notifier import Alert
|
|
from atm.notifier.fanout import FanoutNotifier
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# Fake backends
|
|
# ---------------------------------------------------------------------------
|
|
|
|
class FakeBackend:
|
|
"""Configurable fake backend for testing."""
|
|
|
|
def __init__(
|
|
self,
|
|
name: str = "fake",
|
|
always_fail: bool = False,
|
|
fail_first_n: int = 0,
|
|
sleep_s: float = 0.0,
|
|
) -> None:
|
|
self.name = name
|
|
self._always_fail = always_fail
|
|
self._fail_first_n = fail_first_n
|
|
self._sleep_s = sleep_s
|
|
self._call_count = 0
|
|
|
|
def send(self, alert: Alert) -> None:
|
|
self._call_count += 1
|
|
if self._sleep_s:
|
|
time.sleep(self._sleep_s)
|
|
if self._always_fail:
|
|
raise RuntimeError(f"{self.name}: simulated failure")
|
|
if self._call_count <= self._fail_first_n:
|
|
raise RuntimeError(f"{self.name}: simulated failure #{self._call_count}")
|
|
|
|
|
|
def _alert(title: str = "test", kind: str = "trigger") -> Alert:
|
|
return Alert(kind=kind, title=title, body="body text")
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# FanoutNotifier tests
|
|
# ---------------------------------------------------------------------------
|
|
|
|
def test_fanout_both_delivered(tmp_path: Path) -> None:
|
|
dl = tmp_path / "dead.jsonl"
|
|
b1 = FakeBackend("b1")
|
|
b2 = FakeBackend("b2")
|
|
fan = FanoutNotifier([b1, b2], dl, backoff_base=0.01)
|
|
for i in range(3):
|
|
fan.send(_alert(f"alert-{i}"))
|
|
fan.stop(timeout=5.0)
|
|
|
|
s = fan.stats()
|
|
assert s["b1"]["sent"] == 3
|
|
assert s["b2"]["sent"] == 3
|
|
assert s["b1"]["failed"] == 0
|
|
assert s["b2"]["failed"] == 0
|
|
|
|
|
|
def test_one_backend_down_other_delivers(tmp_path: Path) -> None:
|
|
dl = tmp_path / "dead.jsonl"
|
|
ok_backend = FakeBackend("ok")
|
|
bad_backend = FakeBackend("bad", always_fail=True)
|
|
fan = FanoutNotifier(
|
|
[ok_backend, bad_backend], dl, max_retries=1, backoff_base=0.01
|
|
)
|
|
for i in range(2):
|
|
fan.send(_alert(f"a{i}"))
|
|
fan.stop(timeout=5.0)
|
|
|
|
s = fan.stats()
|
|
assert s["ok"]["sent"] == 2
|
|
assert s["bad"]["failed"] == 2
|
|
|
|
# dead letter file should have entries for the bad backend
|
|
assert dl.exists()
|
|
lines = [json.loads(l) for l in dl.read_text().splitlines()]
|
|
assert all(e["backend"] == "bad" for e in lines)
|
|
assert len(lines) == 2
|
|
|
|
|
|
def test_dead_letter_on_exhausted_retries(tmp_path: Path) -> None:
|
|
dl = tmp_path / "dead.jsonl"
|
|
bad = FakeBackend("bad", always_fail=True)
|
|
fan = FanoutNotifier([bad], dl, max_retries=3, backoff_base=0.01)
|
|
fan.send(_alert("my-alert"))
|
|
fan.stop(timeout=5.0)
|
|
|
|
s = fan.stats()
|
|
assert s["bad"]["failed"] == 1
|
|
# retries = max_retries (3 extra attempts after first)
|
|
assert s["bad"]["retries"] == 3
|
|
|
|
assert dl.exists()
|
|
lines = [json.loads(l) for l in dl.read_text().splitlines()]
|
|
assert len(lines) == 1
|
|
entry = lines[0]
|
|
assert entry["backend"] == "bad"
|
|
assert entry["alert_title"] == "my-alert"
|
|
assert "error_str" in entry
|
|
assert "timestamp" in entry
|
|
|
|
|
|
def test_queue_drop_oldest(tmp_path: Path) -> None:
|
|
dl = tmp_path / "dead.jsonl"
|
|
# slow backend: each send takes 0.5s so queue fills fast
|
|
slow = FakeBackend("slow", sleep_s=0.5)
|
|
fan = FanoutNotifier([slow], dl, queue_size=2, backoff_base=0.01)
|
|
|
|
# Pump 10 alerts rapidly; worker can't keep up
|
|
for i in range(10):
|
|
fan.send(_alert(f"a{i}"))
|
|
|
|
fan.stop(timeout=10.0)
|
|
s = fan.stats()
|
|
assert s["slow"]["dropped"] > 0
|
|
assert s["slow"]["sent"] <= 2 + 1 # queue_size + possibly 1 in-flight
|
|
|
|
|
|
def test_retry_backoff_recovers(tmp_path: Path) -> None:
|
|
dl = tmp_path / "dead.jsonl"
|
|
# Fails only the very first call, succeeds after
|
|
b = FakeBackend("b", fail_first_n=1)
|
|
fan = FanoutNotifier([b], dl, max_retries=3, backoff_base=0.01)
|
|
fan.send(_alert("recover"))
|
|
fan.stop(timeout=5.0)
|
|
|
|
s = fan.stats()
|
|
assert s["b"]["sent"] == 1
|
|
assert s["b"]["retries"] == 1
|
|
assert s["b"]["failed"] == 0
|
|
assert not dl.exists()
|
|
|
|
|
|
def test_stop_drains(tmp_path: Path) -> None:
|
|
dl = tmp_path / "dead.jsonl"
|
|
b = FakeBackend("b")
|
|
fan = FanoutNotifier([b], dl, backoff_base=0.01)
|
|
for i in range(5):
|
|
fan.send(_alert(f"a{i}"))
|
|
fan.stop(timeout=5.0)
|
|
# All items should have been processed before stop returned
|
|
assert fan.stats()["b"]["sent"] == 5
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# DiscordNotifier unit tests (no real HTTP)
|
|
# ---------------------------------------------------------------------------
|
|
|
|
class _MockResponse:
|
|
def __init__(self, status_code: int, text: str = "") -> None:
|
|
self.status_code = status_code
|
|
self.text = text
|
|
|
|
|
|
class _MockSession:
|
|
def __init__(self, status_code: int = 204) -> None:
|
|
self.status_code = status_code
|
|
self.calls: list[dict] = []
|
|
|
|
def post(self, url: str, **kwargs):
|
|
self.calls.append({"url": url, **kwargs})
|
|
return _MockResponse(self.status_code)
|
|
|
|
|
|
def test_discord_send_ok() -> None:
|
|
from atm.notifier.discord import DiscordNotifier
|
|
session = _MockSession(204)
|
|
n = DiscordNotifier("https://discord.example/hook", session=session)
|
|
n.send(_alert("Hello"))
|
|
assert len(session.calls) == 1
|
|
assert "**Hello**" in session.calls[0]["json"]["content"]
|
|
|
|
|
|
def test_discord_429_raises() -> None:
|
|
from atm.notifier.discord import DiscordNotifier
|
|
n = DiscordNotifier("https://discord.example/hook", session=_MockSession(429))
|
|
with pytest.raises(RuntimeError, match="429"):
|
|
n.send(_alert("x"))
|
|
|
|
|
|
def test_discord_5xx_raises() -> None:
|
|
from atm.notifier.discord import DiscordNotifier
|
|
n = DiscordNotifier("https://discord.example/hook", session=_MockSession(500))
|
|
with pytest.raises(RuntimeError, match="500"):
|
|
n.send(_alert("x"))
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# TelegramNotifier unit tests (no real HTTP)
|
|
# ---------------------------------------------------------------------------
|
|
|
|
def test_telegram_send_ok() -> None:
|
|
from atm.notifier.telegram import TelegramNotifier
|
|
session = _MockSession(200)
|
|
n = TelegramNotifier("token", "chat123", session=session)
|
|
n.send(_alert("Hi"))
|
|
assert len(session.calls) == 1
|
|
assert "*Hi*" in session.calls[0]["json"]["text"]
|
|
|
|
|
|
def test_telegram_429_raises() -> None:
|
|
from atm.notifier.telegram import TelegramNotifier
|
|
n = TelegramNotifier("token", "chat123", session=_MockSession(429))
|
|
with pytest.raises(RuntimeError, match="429"):
|
|
n.send(_alert("x"))
|
|
|
|
|
|
def test_telegram_5xx_raises() -> None:
|
|
from atm.notifier.telegram import TelegramNotifier
|
|
n = TelegramNotifier("token", "chat123", session=_MockSession(500))
|
|
with pytest.raises(RuntimeError, match="500"):
|
|
n.send(_alert("x"))
|