afterhours-shift-manager/tests/weekly_post/test_handler.py
seahaven-openswe[bot] 254f6b989f
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[#135] Stick weekly schedule post to bottom of channel (#139)
2026-06-27 15:45:01 -04:00

117 lines
4.3 KiB
Python

"""Tests for the weekly-post Lambda handler orchestration."""
from unittest.mock import MagicMock
import pytest
from freezegun import freeze_time
# 2026-06-08 is a Monday. Frozen to ET 08:00; handler is invoked with force=True
# to bypass the 7am DST guard except where the guard itself is under test.
MON_0800 = "2026-06-08 12:00:00"
@pytest.fixture
def slack(weeklypost_app, monkeypatch):
"""Fake Slack WebClient; chat_postMessage returns a message ts."""
fake = MagicMock(name="slack")
fake.chat_postMessage.return_value = {"ts": "999.000"}
monkeypatch.setattr(weeklypost_app, "WebClient", MagicMock(return_value=fake))
monkeypatch.setattr(weeklypost_app, "get_secret", lambda _id: "xoxb-test")
return fake
@pytest.fixture
def env(monkeypatch):
monkeypatch.setenv(
"SLACK_BOT_TOKEN_SECRET", "afterhours-shift-manager/slack-bot-token"
)
monkeypatch.setenv("PAY_REPORT_USER", "U_BOSS")
monkeypatch.delenv("PAYROLL_RECIPIENTS", raising=False) # skip SES email
@freeze_time(MON_0800)
def test_posts_schedule_and_saves_post(weeklypost_app, schedule, seed, slack, env):
result = weeklypost_app.handler({"force": True}, None)
assert result["posted"] is True
assert result["message_ts"] == "999.000"
# The new schedule post was persisted for next week's cleanup.
assert schedule.get_schedule_post("C_TEST")["message_ts"] == "999.000"
slack.chat_postMessage.assert_called()
@freeze_time(MON_0800)
def test_calculates_and_dms_pay(weeklypost_app, schedule, seed, slack, env):
# Previous week (Mon 2026-06-01) had Alice on the Monday night shift.
seed.config(shift_rate="50")
seed.weekly("Monday", "114", "Alice")
result = weeklypost_app.handler({"force": True}, None)
assert result["pay_calculated"] is True
# Pay record saved under previous Monday's key.
assert schedule.get_pay_record("2026-06-01") is not None
# A DM went to the configured pay-report user.
dm_calls = [
c
for c in slack.chat_postMessage.call_args_list
if c.kwargs.get("channel") == "U_BOSS"
]
assert dm_calls
@freeze_time(MON_0800)
def test_pay_email_failure_does_not_block_schedule_post(
weeklypost_app, schedule, seed, slack, env, monkeypatch
):
# Previous week has an assigned shift, so the pay/email path runs.
seed.config(shift_rate="50")
seed.weekly("Monday", "114", "Alice")
# SES delivery blows up (e.g. a permission/identity issue).
monkeypatch.setattr(
weeklypost_app,
"_send_pay_email",
MagicMock(side_effect=Exception("SES AccessDenied")),
)
result = weeklypost_app.handler({"force": True}, None)
# The email failure is swallowed; the schedule post still goes out.
assert result["posted"] is True
assert schedule.get_schedule_post("C_TEST")["message_ts"] == "999.000"
@freeze_time(MON_0800)
def test_rolls_existing_post_forward(weeklypost_app, schedule, seed, slack, env):
# An existing post is edited in place (stable permalink), never deleted.
seed.schedule_post("C_TEST", "111.111")
result = weeklypost_app.handler({"force": True}, None)
slack.chat_delete.assert_not_called()
slack.chat_update.assert_called_once()
assert slack.chat_update.call_args.kwargs["ts"] == "111.111"
# The stored ts is unchanged, so the permalink stays stable.
assert result["message_ts"] == "111.111"
assert schedule.get_schedule_post("C_TEST")["message_ts"] == "111.111"
@freeze_time(MON_0800)
def test_reposts_when_update_fails(weeklypost_app, schedule, seed, slack, env):
# A stored post that can no longer be edited (e.g. deleted manually) falls
# back to a fresh post and re-saves the new ts.
seed.schedule_post("C_TEST", "111.111")
slack.chat_update.side_effect = Exception("message_not_found")
result = weeklypost_app.handler({"force": True}, None)
slack.chat_postMessage.assert_called()
assert result["message_ts"] == "999.000"
assert schedule.get_schedule_post("C_TEST")["message_ts"] == "999.000"
@freeze_time(MON_0800)
def test_skips_when_not_7am_and_not_forced(weeklypost_app, schedule, slack, env):
# Frozen hour is 08:00 ET, not 07:00 → skip unless forced.
result = weeklypost_app.handler({}, None)
assert result == {"skipped": True}
slack.chat_postMessage.assert_not_called()