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paseo-bot[bot]
a0790e7527
Startup inventories exceed the function argument limit when spread into push. Append each event individually in both benchmark collectors so large fixtures can reach their measurement summary. Co-authored-by: paseo-bot[bot] <266920839+paseo-bot[bot]@users.noreply.github.com>
60 lines
2.3 KiB
TypeScript
60 lines
2.3 KiB
TypeScript
import { execFile } from "node:child_process";
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import { mkdtemp, rm } from "node:fs/promises";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import { fileURLToPath } from "node:url";
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import { promisify } from "node:util";
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import { expect, test } from "vitest";
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const execFileAsync = promisify(execFile);
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// Linux delivers the existing inventory as one batch. Other backends have
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// different startup semantics, so they do not exercise this regression.
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test.skipIf(process.platform !== "linux").each(["healthy", "directory-churn"])(
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"%s benchmark collects a startup batch larger than the argument limit",
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async (mode) => {
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const temporaryRoot = await mkdtemp(join(tmpdir(), "paseo-watch-benchmark-test-"));
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try {
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const { stdout } = await execFileAsync(
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process.execPath,
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[
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// Lower the argument limit instead of creating hundreds of thousands
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// of files. This still runs the real observer and benchmark CLI.
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"--stack-size=256",
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"--import",
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"tsx",
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fileURLToPath(new URL("./measure-file-observer.ts", import.meta.url)),
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"--child",
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],
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{
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timeout: 60_000,
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env: {
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...process.env,
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TMPDIR: temporaryRoot,
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PASEO_WATCH_BENCH_MODE: mode,
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PASEO_WATCH_BENCH_ROOTS: "1",
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PASEO_WATCH_BENCH_DIRS: "10",
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PASEO_WATCH_BENCH_PREEXISTING_FILES: "40000",
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PASEO_WATCH_BENCH_IGNORED_FILES: "1",
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PASEO_WATCH_BENCH_EDITS: "1",
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PASEO_WATCH_BENCH_SUSTAINED_EDITS: "1",
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PASEO_WATCH_BENCH_SUSTAINED_INTERVAL_MS: "1",
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PASEO_WATCH_BENCH_CHURN_DIRECTORIES: "10",
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PASEO_WATCH_BENCH_CHURN_FILES_PER_DIRECTORY: "4000",
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PASEO_WATCH_BENCH_CHURN_ROUNDS: "1",
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PASEO_WATCH_BENCH_CHURN_DIRECTORIES_PER_ROUND: "2",
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},
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},
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);
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const measurement = JSON.parse(stdout);
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expect(measurement.startupEvents).toBe(40_000);
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expect(measurement.deliveredEvents).toBeGreaterThan(measurement.startupEvents);
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expect(measurement.missedTrackedPaths).toBe(0);
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expect(measurement.ignoredEvents).toBe(0);
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} finally {
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await rm(temporaryRoot, { recursive: true, force: true });
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}
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},
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90_000,
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);
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