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import { describe, expect, it } from "vitest";
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import { METRIC_COUNTER } from "@/lib/constants/metrics";
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import {
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computeP95,
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computeRate,
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computeRates,
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type MetricsCounters,
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} from "@/modules/metrics/collector";
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function emptyCounters(): MetricsCounters {
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return {
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[METRIC_COUNTER.POST_TOTAL]: 0,
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[METRIC_COUNTER.POST_DONE]: 0,
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[METRIC_COUNTER.CACHE_HIT_L1]: 0,
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[METRIC_COUNTER.CACHE_HIT_L2]: 0,
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[METRIC_COUNTER.RPA_TRIGGERED]: 0,
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[METRIC_COUNTER.RPA_DONE]: 0,
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[METRIC_COUNTER.DONE_TOTAL]: 0,
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[METRIC_COUNTER.DONE_REALTIME]: 0,
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};
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}
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describe("computeRates (GD-4)", () => {
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it("100 次 mock：80 done / 100 post → api 80%", () => {
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const counters: MetricsCounters = {
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...emptyCounters(),
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[METRIC_COUNTER.POST_TOTAL]: 100,
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[METRIC_COUNTER.POST_DONE]: 80,
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};
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expect(computeRates(counters).api_success_rate).toBe(80);
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});
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it("RPA 85/100 → rpa_success_rate 85%", () => {
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const counters: MetricsCounters = {
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...emptyCounters(),
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[METRIC_COUNTER.RPA_TRIGGERED]: 100,
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[METRIC_COUNTER.RPA_DONE]: 85,
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};
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expect(computeRates(counters).rpa_success_rate).toBe(85);
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});
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it("realtime 90/100 done → realtime_rate 90%", () => {
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const counters: MetricsCounters = {
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...emptyCounters(),
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[METRIC_COUNTER.DONE_TOTAL]: 100,
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[METRIC_COUNTER.DONE_REALTIME]: 90,
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};
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expect(computeRates(counters).realtime_rate).toBe(90);
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});
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it("cache (L1+L2) 90/100 post → cache_hit_rate 90%", () => {
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const counters: MetricsCounters = {
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...emptyCounters(),
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[METRIC_COUNTER.POST_TOTAL]: 100,
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[METRIC_COUNTER.CACHE_HIT_L1]: 40,
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[METRIC_COUNTER.CACHE_HIT_L2]: 50,
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};
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expect(computeRates(counters).cache_hit_rate).toBe(90);
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});
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it("分母为 0 → 返回 0", () => {
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expect(computeRate(10, 0)).toBe(0);
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expect(computeRates(emptyCounters()).api_success_rate).toBe(0);
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});
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});
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describe("computeP95", () => {
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it("100 样本 P95 取第 95 百分位", () => {
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const samples = Array.from({ length: 100 }, (_, index) => index + 1);
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expect(computeP95(samples)).toBe(95);
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});
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it("空样本 → 0", () => {
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expect(computeP95([])).toBe(0);
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});
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});
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