import path from "node:path";

import { describe, expect, it } from "vitest";

import { buildMigrationReportDir } from "./context.js";

describe("migration context helpers", () => {

it("builds report directories with filename-safe timestamps", () => {

const now = Date.parse("2026-02-23T12:34:56.000Z");

expect(buildMigrationReportDir("codex", "/state", now)).toBe(

path.join("/state", "migration", "codex", "2026-02-23T12-34-56.000Z"),

);

});

it("falls back instead of throwing for out-of-range report timestamps", () => {

expect(buildMigrationReportDir("codex", "/state", 9_000_000_000_000_000)).toMatch(

/[/\\]migration[/\\]codex[/\\]\d{4}-\d{2}-\d{2}T\d{2}-\d{2}-\d{2}\.\d{3}Z$/,

);

});

});