Files
DashBoard/tests/test_event_fetcher.py

115 lines
3.9 KiB
Python

# -*- coding: utf-8 -*-
"""Unit tests for EventFetcher."""
from __future__ import annotations
from unittest.mock import patch
import pandas as pd
from mes_dashboard.services.event_fetcher import EventFetcher
def test_cache_key_is_stable_for_sorted_ids():
key1 = EventFetcher._cache_key("history", ["CID-B", "CID-A", "CID-A"])
key2 = EventFetcher._cache_key("history", ["CID-A", "CID-B"])
assert key1 == key2
assert key1.startswith("evt:history:")
def test_get_rate_limit_config_supports_env_override(monkeypatch):
monkeypatch.setenv("EVT_HISTORY_RATE_MAX_REQUESTS", "33")
monkeypatch.setenv("EVT_HISTORY_RATE_WINDOW_SECONDS", "77")
config = EventFetcher._get_rate_limit_config("history")
assert config["bucket"] == "event-history"
assert config["max_attempts"] == 33
assert config["window_seconds"] == 77
@patch("mes_dashboard.services.event_fetcher.read_sql_df")
@patch("mes_dashboard.services.event_fetcher.cache_get")
def test_fetch_events_cache_hit_skips_db(mock_cache_get, mock_read_sql_df):
mock_cache_get.return_value = {"CID-1": [{"CONTAINERID": "CID-1"}]}
result = EventFetcher.fetch_events(["CID-1"], "materials")
assert result["CID-1"][0]["CONTAINERID"] == "CID-1"
mock_read_sql_df.assert_not_called()
@patch("mes_dashboard.services.event_fetcher.cache_set")
@patch("mes_dashboard.services.event_fetcher.cache_get", return_value=None)
@patch("mes_dashboard.services.event_fetcher.read_sql_df")
@patch("mes_dashboard.services.event_fetcher.SQLLoader.load_with_params")
def test_fetch_events_upstream_history_branch(
mock_sql_load,
mock_read_sql_df,
_mock_cache_get,
mock_cache_set,
):
mock_sql_load.return_value = "SELECT * FROM UPSTREAM"
mock_read_sql_df.return_value = pd.DataFrame(
[
{"CONTAINERID": "CID-1", "WORKCENTER_GROUP": "DB"},
{"CONTAINERID": "CID-2", "WORKCENTER_GROUP": "WB"},
]
)
result = EventFetcher.fetch_events(["CID-1", "CID-2"], "upstream_history")
assert sorted(result.keys()) == ["CID-1", "CID-2"]
assert mock_sql_load.call_args.args[0] == "mid_section_defect/upstream_history"
_, params = mock_read_sql_df.call_args.args
assert len(params) == 2
mock_cache_set.assert_called_once()
assert mock_cache_set.call_args.args[0].startswith("evt:upstream_history:")
@patch("mes_dashboard.services.event_fetcher.cache_set")
@patch("mes_dashboard.services.event_fetcher.cache_get", return_value=None)
@patch("mes_dashboard.services.event_fetcher.read_sql_df")
@patch("mes_dashboard.services.event_fetcher.SQLLoader.load")
def test_fetch_events_history_branch_replaces_container_filter(
mock_sql_load,
mock_read_sql_df,
_mock_cache_get,
_mock_cache_set,
):
mock_sql_load.return_value = (
"SELECT * FROM t WHERE h.CONTAINERID = :container_id {{ WORKCENTER_FILTER }}"
)
mock_read_sql_df.return_value = pd.DataFrame([])
EventFetcher.fetch_events(["CID-1"], "history")
sql, params = mock_read_sql_df.call_args.args
assert "h.CONTAINERID = :container_id" not in sql
assert "{{ WORKCENTER_FILTER }}" not in sql
assert params == {"p0": "CID-1"}
@patch("mes_dashboard.services.event_fetcher.cache_set")
@patch("mes_dashboard.services.event_fetcher.cache_get", return_value=None)
@patch("mes_dashboard.services.event_fetcher.read_sql_df")
@patch("mes_dashboard.services.event_fetcher.SQLLoader.load")
def test_fetch_events_materials_branch_replaces_aliased_container_filter(
mock_sql_load,
mock_read_sql_df,
_mock_cache_get,
_mock_cache_set,
):
mock_sql_load.return_value = (
"SELECT * FROM t m WHERE m.CONTAINERID = :container_id ORDER BY TXNDATE"
)
mock_read_sql_df.return_value = pd.DataFrame([])
EventFetcher.fetch_events(["CID-1", "CID-2"], "materials")
sql, params = mock_read_sql_df.call_args.args
assert "m.CONTAINERID = :container_id" not in sql
assert "IN" in sql.upper()
assert params == {"p0": "CID-1", "p1": "CID-2"}