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import { test, describe } from "node:test";
import assert from "node:assert/strict";
import { launchLocalChrome, planLocalLaunch, type LaunchDeps, type LaunchPlan } from "../../src/cdp/local-launch";
const plan: LaunchPlan = { exe: "/x/chrome", args: ["--a"], profileDir: "/p", port: 9222 };
const deps = (over: Partial<LaunchDeps>): LaunchDeps => {
let t = 0;
return { start: async () => undefined, probe: async () => null, sleep: async (ms) => { t += ms; }, now: () => t, ...over };
};
describe("planLocalLaunch", () => {
test("plans a launch on macOS with the dedicated profile and the debugging port", () => {
const r = planLocalLaunch({ HOME: "/h" }, "darwin", () => true);
assert.equal(r.kind, "plan");
if (r.kind !== "plan") return;
assert.ok(r.plan.args.includes("--remote-debugging-port=9222"));
assert.ok(r.plan.args.some((a) => a.startsWith("--user-data-dir=") && a.endsWith(".chrome-cdp-profile")));
});
test("BU_LOCAL_CHROME_PROFILE and BU_LOCAL_CHROME_EXE override the defaults", () => {
const r = planLocalLaunch({ BU_LOCAL_CHROME_PROFILE: "/tmp/p", BU_LOCAL_CHROME_EXE: "/tmp/c" }, "darwin", () => true);
assert.equal(r.kind === "plan" && r.plan.exe, "/tmp/c");
assert.ok(r.kind === "plan" && r.plan.args.includes("--user-data-dir=/tmp/p"));
});
test("is skipped when switched off, off macOS, or without a Chrome", () => {
assert.equal(planLocalLaunch({ BU_LOCAL_CHROME_LAUNCH: "off" }, "darwin", () => true).kind, "skip");
assert.equal(planLocalLaunch({}, "linux", () => true).kind, "skip");
assert.equal(planLocalLaunch({}, "darwin", () => false).kind, "skip");
});
});
describe("launchLocalChrome", () => {
test("resolves with the websocket url once the port answers", async () => {
let calls = 0;
const r = await launchLocalChrome(plan, deps({ probe: async () => (++calls >= 3 ? "ws://127.0.0.1:9222/x" : null) }));
assert.deepEqual(r.success && r.data, "ws://127.0.0.1:9222/x");
});
test("reports a spawn failure without probing", async () => {
let probed = false;
const r = await launchLocalChrome(plan, deps({ start: async () => "ENOENT", probe: async () => { probed = true; return null; } }));
assert.equal(r.success, false);
assert.equal(probed, false);
});
test("gives up after the deadline and says what to check", async () => {
const r = await launchLocalChrome(plan, deps({}));
assert.equal(r.success, false);
if (!r.success) assert.match(r.error, /nothing answered on 127\.0\.0\.1:9222/);
});
});
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