Files
PolyWeather/frontend/components/ops/__tests__/apiPerformanceTiming.test.ts
T
2026-05-31 19:51:28 +08:00

98 lines
3.4 KiB
TypeScript

import assert from "node:assert/strict";
import fs from "node:fs";
import path from "node:path";
function readFrontend(...parts: string[]) {
return fs.readFileSync(path.join(process.cwd(), ...parts), "utf8");
}
export function runTests() {
const timingSource = readFrontend("lib", "proxy-timing.ts");
assert.match(
timingSource,
/createProxyTimer/,
"shared proxy timing helper should create timers for slow API proxies",
);
assert.match(
timingSource,
/Server-Timing/,
"shared proxy timing helper should write Server-Timing headers for HAR inspection",
);
assert.doesNotMatch(
timingSource,
/authUserId|authEmail|userId|email/,
"proxy timing logs must avoid raw user ids or emails",
);
const apiProxySource = readFrontend("lib", "api-proxy.ts");
assert.match(
apiProxySource,
/timing\?: ProxyTimer/,
"generic backend JSON proxy should accept an optional timer",
);
for (const stage of ["auth_headers", "backend_fetch", "backend_read"]) {
assert.match(
apiProxySource,
new RegExp(stage),
`generic backend JSON proxy should measure ${stage}`,
);
}
const detailBatchProxy = readFrontend("app", "api", "cities", "detail-batch", "route.ts");
assert.match(detailBatchProxy, /createProxyTimer\(req,\s*"city_detail_batch"\)/);
assert.match(detailBatchProxy, /timing:\s*timer/);
assert.match(
detailBatchProxy,
/fetchCache:\s*"no-store"/,
"city detail batch proxy should avoid caching partial backend fetches in the Next data cache",
);
assert.match(
detailBatchProxy,
/cacheControlForData/,
"city detail batch proxy should be able to suppress response caching for partial payloads",
);
assert.match(
apiProxySource,
/cacheControlForData\?:/,
"generic backend JSON proxy should allow response cache policy to depend on parsed data",
);
const scanTerminalProxy = readFrontend("app", "api", "scan", "terminal", "route.ts");
assert.match(scanTerminalProxy, /createProxyTimer\(req,\s*"scan_terminal"\)/);
assert.match(scanTerminalProxy, /timing:\s*timer/);
const cityDetailProxy = readFrontend("app", "api", "city", "[name]", "detail", "route.ts");
assert.match(cityDetailProxy, /createProxyTimer\(req,\s*"city_detail"\)/);
for (const stage of ["auth_headers", "backend_fetch", "backend_read"]) {
assert.match(cityDetailProxy, new RegExp(stage));
}
const onlineUsersProxy = readFrontend("app", "api", "ops", "online-users", "route.ts");
assert.match(onlineUsersProxy, /createProxyTimer\(req,\s*"ops_online_users"\)/);
for (const stage of ["auth_headers", "ops_auth", "backend_fetch", "backend_read"]) {
assert.match(onlineUsersProxy, new RegExp(stage));
}
const analyticsProxy = readFrontend("app", "api", "analytics", "events", "route.ts");
assert.match(
analyticsProxy,
/ANALYTICS_PROXY_TIMEOUT_MS/,
"analytics event proxy should use a short dedicated timeout instead of waiting for long backend stalls",
);
assert.match(
analyticsProxy,
/createProxyTimer\(req,\s*"analytics_events"\)/,
"analytics event proxy should expose Server-Timing for HAR inspection",
);
assert.match(
analyticsProxy,
/AbortController/,
"analytics event proxy should abort slow upstream tracking requests",
);
assert.match(
analyticsProxy,
/status:\s*202/,
"analytics event proxy timeout should stay non-blocking for the fire-and-forget client event",
);
}