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const { describe, it, afterEach } = require("node:test");
const assert = require("node:assert");
const fs = require("fs");
const path = require("path");
const os = require("os");
const { migrateDataDir } = require("../src/data");
describe("data module", () => {
let tmpDir;
afterEach(() => {
if (tmpDir && fs.existsSync(tmpDir)) {
fs.rmSync(tmpDir, { recursive: true, force: true });
}
});
describe("migrateDataDir()", () => {
it("does nothing when legacy dir does not exist", () => {
tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "data-test-"));
const dataDir = path.join(tmpDir, "data");
// Should not throw
migrateDataDir(dataDir, "/nonexistent/legacy");
assert.ok(!fs.existsSync(dataDir));
});
it("copies files from legacy dir to data dir", () => {
tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "data-test-"));
const legacyDir = path.join(tmpDir, "legacy");
const dataDir = path.join(tmpDir, "data");
fs.mkdirSync(legacyDir);
fs.writeFileSync(path.join(legacyDir, "settings.json"), '{"key":"value"}');
migrateDataDir(dataDir, legacyDir);
assert.ok(fs.existsSync(path.join(dataDir, "settings.json")));
const content = fs.readFileSync(path.join(dataDir, "settings.json"), "utf8");
assert.strictEqual(content, '{"key":"value"}');
});
it("does not overwrite existing files in data dir", () => {
tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "data-test-"));
const legacyDir = path.join(tmpDir, "legacy");
const dataDir = path.join(tmpDir, "data");
fs.mkdirSync(legacyDir);
fs.mkdirSync(dataDir);
fs.writeFileSync(path.join(legacyDir, "config.json"), "legacy");
fs.writeFileSync(path.join(dataDir, "config.json"), "current");
migrateDataDir(dataDir, legacyDir);
const content = fs.readFileSync(path.join(dataDir, "config.json"), "utf8");
assert.strictEqual(content, "current");
});
it("does nothing when legacy dir is empty", () => {
tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "data-test-"));
const legacyDir = path.join(tmpDir, "legacy");
const dataDir = path.join(tmpDir, "data");
fs.mkdirSync(legacyDir);
migrateDataDir(dataDir, legacyDir);
// data dir should not be created for empty legacy
// Actually the function creates it, let's check it doesn't crash
});
});
});