open-design/apps/daemon/tests/setup.ts

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import { mkdtempSync, rmSync } from 'node:fs';
import { tmpdir } from 'node:os';
import path from 'node:path';
const TEST_DATA_DIR_SYMBOL = Symbol.for('open-design.daemon.vitestDataDir');
const globalState = globalThis as typeof globalThis & {
[TEST_DATA_DIR_SYMBOL]?: string;
};
if (!globalState[TEST_DATA_DIR_SYMBOL]) {
globalState[TEST_DATA_DIR_SYMBOL] = mkdtempSync(path.join(tmpdir(), 'od-daemon-vitest-'));
process.once('exit', () => {
rmSync(globalState[TEST_DATA_DIR_SYMBOL]!, { force: true, recursive: true });
});
}
// Server paths are resolved at module import time. Force every daemon test
// process to use one isolated data directory before any test imports server.ts,
// so tests can never read or overwrite the developer's real repo `.od` data.
process.env.OD_DATA_DIR = globalState[TEST_DATA_DIR_SYMBOL];