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import { afterAll, describe, expect, test } from "bun:test";
import { mkdirSync, mkdtempSync, rmSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { resolveRoot, sessionNameFor } from "../src/core/root.ts";
const base = mkdtempSync(join(tmpdir(), "sl0ppi-root-"));
afterAll(() => rmSync(base, { recursive: true, force: true }));
const dev = join(base, "dev");
const project = join(dev, "myproj");
mkdirSync(join(project, ".sl0ppi"), { recursive: true });
const plain = join(base, "plain");
mkdirSync(plain, { recursive: true });
describe("sessionNameFor", () => {
test("uses the root's basename", () => {
expect(sessionNameFor("/home/user/dev")).toBe("dev");
});
test("sanitises awkward names", () => {
expect(sessionNameFor("/tmp/my project!")).toBe("my-project");
expect(sessionNameFor("/tmp/...")).toBe("root");
});
test("is stable for the same root", () => {
const registry = { dev: "/home/user/dev" };
expect(sessionNameFor("/home/user/dev", registry)).toBe("dev");
});
// Two checkouts both called `api` must not fight over one session.
test("disambiguates when another root already claims the name", () => {
const registry = { api: "/home/user/work/api" };
const name = sessionNameFor("/home/user/dev/api", registry);
expect(name).not.toBe("api");
expect(name.startsWith("api-")).toBe(true);
});
});
describe("resolveRoot", () => {
test("--root wins", () => {
const r = resolveRoot({ rootFlag: dev, cwd: plain });
expect(r.root).toBe(dev);
expect(r.session).toBe("dev");
});
test("inside a project, the root is its parent and the project is remembered", () => {
const r = resolveRoot({ cwd: project });
expect(r.root).toBe(dev);
expect(r.project).toBe("myproj");
});
test("inside a session, the registered root is used", () => {
const r = resolveRoot({
cwd: plain,
sessionEnv: "dev",
registry: { dev },
});
expect(r.root).toBe(dev);
expect(r.session).toBe("dev");
});
test("otherwise the cwd is the root", () => {
const r = resolveRoot({ cwd: plain });
expect(r.root).toBe(plain);
expect(r.session).toBe("plain");
});
test("an unregistered session name does not hijack the cwd", () => {
const r = resolveRoot({ cwd: plain, sessionEnv: "someone-elses-session", registry: {} });
expect(r.root).toBe(plain);
});
});
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