evOo-local/packages/testkit/src/performance-report.test.ts
cynarAI 6c7eed7580 Initial clean evOo-local from f00577b
Fresh history cut from cynarAI/evoo antigravity-handoff/project-timeline
(Voice First + project timeline). Brand docs/titles as evOo; keep @rakazo/*
packages as tech debt. Excludes node_modules, caches, secrets, voice blobs.
2026-09-20 17:15:16 +02:00

81 lines
2.5 KiB
TypeScript

import { describe, expect, it } from "vitest";
import {
parsePerformanceReport,
parseTcpPort,
percentageDelta,
roundMetric,
summarize,
} from "./performance-report";
describe("performance report statistics", () => {
it("summarizes a distribution without mutating it", () => {
const values = [40, 10, 30, 20];
expect(summarize(values)).toEqual({
count: 4,
min: 10,
median: 25,
p95: 38.5,
max: 40,
});
expect(values).toEqual([40, 10, 30, 20]);
});
it("calculates comparable percentage deltas", () => {
expect(percentageDelta(100, 75)).toBe(-25);
expect(percentageDelta(0, 0)).toBe(0);
expect(percentageDelta(0, 1)).toBeNull();
expect(roundMetric(1.23456)).toBe(1.23);
});
it("rejects an empty distribution", () => {
expect(() => summarize([])).toThrow("empty sample");
});
});
describe("performance report input", () => {
it("rejects missing and unknown report schemas with a useful source name", () => {
expect(() => parsePerformanceReport({}, "before.json")).toThrow(
"Invalid performance report before.json: unsupported schemaVersion undefined",
);
expect(() => parsePerformanceReport({ schemaVersion: 99 }, "after.json")).toThrow(
"Invalid performance report after.json: unsupported schemaVersion 99",
);
});
it("migrates schema 1 memory labels to working-set labels", () => {
const distribution = { count: 1, min: 10, median: 10, p95: 10, max: 10 };
const report = parsePerformanceReport(
{
schemaVersion: 1,
label: "before",
environment: {},
summary: {
cacheColdShellUsableMs: distribution,
warmShellUsableMs: distribution,
settingsPaintedMs: 10,
settingsSettledMs: 10,
typingKeyPaintMs: distribution,
idleCpuPercent: distribution,
idleSummedPrivateKiB: distribution,
streamingCpuPercent: distribution,
},
},
"legacy.json",
);
expect(report.schemaVersion).toBe(2);
expect(report.summary.idleSummedWorkingSetKiB).toEqual(distribution);
expect(report.summary.hiddenSummedWorkingSetKiB).toBeNull();
});
it("validates configured TCP ports", () => {
expect(parseTcpPort("55400", "PERF_WEB_PORT")).toBe(55_400);
for (const value of ["", "nope", "0", "65536", "1.5", "Infinity"]) {
expect(() => parseTcpPort(value, "PERF_WEB_PORT")).toThrow(
"PERF_WEB_PORT must be an integer between 1 and 65535",
);
}
});
});