31 lines
910 B
TypeScript
31 lines
910 B
TypeScript
import { describe, expect, test } from "bun:test";
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import { compareBenchmark, percentile, runBenchmark } from "../src/index.ts";
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describe("@wrnexus/benchmark", () => {
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test("calculates percentiles and deterministic samples", async () => {
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let now = 0;
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const result = await runBenchmark(
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"clock",
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() => {
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now += 2;
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},
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{
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iterations: 3,
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warmup: 0,
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clock: () => now,
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},
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);
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expect(result.samples).toEqual([2, 2, 2]);
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expect(result.p95Ms).toBe(2);
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expect(percentile([1, 2, 3, 4], 0.5)).toBe(2);
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});
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test("reports regression budget violations", () => {
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const baseline = { meanMs: 10, p95Ms: 20 } as any;
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const current = { meanMs: 12, p95Ms: 30, maxMs: 40, operationsPerSecond: 50 } as any;
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expect(compareBenchmark(current, baseline, { meanPercent: 10, p95Percent: 20 })).toHaveLength(
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2,
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);
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});
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});
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