101 lines
2.9 KiB
TypeScript
101 lines
2.9 KiB
TypeScript
import { spawn } 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 { afterEach, describe, expect, it } from "vitest";
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import {
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BrowserStartupError,
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waitForBrowserDevtoolsPort,
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} from "../src/browser/BrowserProcessStartup.js";
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const roots: string[] = [];
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afterEach(async () => {
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await Promise.all(
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roots.splice(0).map((root) => rm(root, { recursive: true, force: true })),
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);
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});
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describe("browser process startup", () => {
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it("returns a delayed valid DevToolsActivePort", async () => {
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const root = await temporaryRoot();
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const portPath = join(root, "DevToolsActivePort");
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const child = spawn(process.execPath, [
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"-e",
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`setTimeout(() => require("node:fs").writeFileSync(${JSON.stringify(portPath)}, "43117\\n/browser"), 20); setTimeout(() => {}, 1000)`,
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]);
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try {
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await expect(
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waitForBrowserDevtoolsPort({
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child,
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executable: process.execPath,
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activePortPath: portPath,
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stderr: () => "",
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timeoutMs: 1_000,
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pollIntervalMs: 5,
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}),
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).resolves.toBe(43_117);
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} finally {
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child.kill("SIGKILL");
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}
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});
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it("classifies signal termination instead of timing out", async () => {
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const root = await temporaryRoot();
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const child = spawn(process.execPath, [
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"-e",
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"process.kill(process.pid, 'SIGTERM')",
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]);
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const failure = await waitForBrowserDevtoolsPort({
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child,
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executable: process.execPath,
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activePortPath: join(root, "DevToolsActivePort"),
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stderr: () => "signal fixture",
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timeoutMs: 1_000,
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pollIntervalMs: 5,
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}).catch((cause: unknown) => cause);
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expect(failure).toBeInstanceOf(BrowserStartupError);
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expect(failure).toMatchObject({
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failure: "signalled",
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exitCode: null,
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signalCode: "SIGTERM",
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stderr: "signal fixture",
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});
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});
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it("reports bounded timeout diagnostics", async () => {
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const root = await temporaryRoot();
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const child = spawn(process.execPath, ["-e", "setTimeout(() => {}, 1000)"]);
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try {
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const failure = await waitForBrowserDevtoolsPort({
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child,
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executable: process.execPath,
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activePortPath: join(root, "DevToolsActivePort"),
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stderr: () => "",
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timeoutMs: 20,
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pollIntervalMs: 5,
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}).catch((cause: unknown) => cause);
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expect(failure).toBeInstanceOf(BrowserStartupError);
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expect(failure).toMatchObject({
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failure: "timeout",
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exitCode: null,
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signalCode: null,
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});
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expect(String(failure)).toContain("stderr=<empty>");
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} finally {
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child.kill("SIGKILL");
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}
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});
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});
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const temporaryRoot = async (): Promise<string> => {
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const root = await mkdtemp(join(tmpdir(), "rea-browser-startup-"));
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roots.push(root);
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return root;
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};
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