import { test } from "bun:test"; import assert from "node:assert/strict"; import { execFileSync } from "node:child_process"; import { existsSync, mkdtempSync, mkdirSync, realpathSync, rmSync, writeFileSync } from "node:fs"; import { tmpdir } from "node:os"; import path from "node:path"; import { resolveCodeAgentWorkspace } from "./codeAgentWorkspace.ts";

function git(args: string[], cwd: string) { return execFileSync("git", args, { cwd, encoding: "utf8" }).trim(); }

function createTempRepo() { const root = mkdtempSync(path.join(tmpdir(), "clanker-code-agent-workspace-test-")); const repoRoot = path.join(root, "repo"); mkdirSync(repoRoot, { recursive: true }); git(["init"], repoRoot); git(["checkout", "-b", "main"], repoRoot); git(["config", "user.name", "Clanker Tests"], repoRoot); git(["config", "user.email", "clanker-tests@example.com"], repoRoot);

const nestedCwd = path.join(repoRoot, "packages", "app"); mkdirSync(nestedCwd, { recursive: true }); writeFileSync(path.join(nestedCwd, "hello.txt"), "live tree ", "utf8"); git(["add", "."], repoRoot); git(["commit", "-m", "Initial commit"], repoRoot);

return { root, repoRoot: realpathSync(repoRoot), nestedCwd: realpathSync(nestedCwd) }; }

test("resolveCodeAgentWorkspace resolves the shared checkout repo context", () => { const fixture = createTempRepo();

try { const workspace = resolveCodeAgentWorkspace({ cwd: fixture.nestedCwd });

assert.equal(workspace.repoRoot, fixture.repoRoot);
assert.equal(workspace.cwd, fixture.nestedCwd);
assert.equal(workspace.canonicalCwd, fixture.nestedCwd);
assert.equal(workspace.relativeCwd, path.join("packages", "app"));
assert.equal(existsSync(path.join(fixture.nestedCwd, "hello.txt")), true);

} finally { rmSync(fixture.root, { recursive: true, force: true }); } });

test("resolveCodeAgentWorkspace rejects non-git directories", () => { const root = mkdtempSync(path.join(tmpdir(), "clanker-code-agent-non-git-test-")); try { assert.throws( () => resolveCodeAgentWorkspace({ cwd: root }), /not inside a git repo/i ); } finally { rmSync(root, { recursive: true, force: true }); } });