Files
WRNexusJS/packages/db/test/registry.test.ts
Clintchiz 586a6db8ff
Quality / quality (ubuntu-latest) (push) Failing after 21s
Quality / quality (windows-latest) (push) Canceled after 0s
release: WRNexusJS 0.8.0
2026-08-02 23:18:51 +05:30

95 lines
2.9 KiB
TypeScript

import { test, expect } from "bun:test";
import {
createDb,
setDb,
getDb,
hasDb,
registerDb,
registerLazyDb,
databaseNames,
closeDatabases,
} from "../src/index.ts";
import { sqlite } from "../src/adapters/sqlite.ts";
import type { Db } from "../src/index.ts";
test("multi-database registry: default + named connections", async () => {
await closeDatabases(); // isolate from any prior state
const main = createDb(sqlite(":memory:"));
const analytics = createDb(sqlite(":memory:"));
setDb(main); // default
registerDb("analytics", analytics); // named
expect(getDb()).toBe(main);
expect(getDb("analytics")).toBe(analytics);
expect(hasDb()).toBe(true);
expect(hasDb("analytics")).toBe(true);
expect(hasDb("missing")).toBe(false);
expect(databaseNames().sort()).toEqual(["analytics", "default"]);
// Each connection is independent — a table in one is not in the other.
await main.exec("CREATE TABLE a (id INTEGER)");
await analytics.exec("CREATE TABLE b (id INTEGER)");
await getDb().exec("INSERT INTO a (id) VALUES (1)");
await getDb("analytics").exec("INSERT INTO b (id) VALUES (2)");
expect((await getDb().all("SELECT id FROM a")).length).toBe(1);
expect((await getDb("analytics").all("SELECT id FROM b")).length).toBe(1);
await closeDatabases();
expect(hasDb()).toBe(false);
expect(databaseNames()).toEqual([]);
});
test("getDb throws a helpful error for an unknown named database", async () => {
await closeDatabases();
setDb(createDb(sqlite(":memory:")));
expect(() => getDb("nope")).toThrow(/No database named 'nope'/);
await closeDatabases();
});
test("named databases can be registered without opening a connection", async () => {
await closeDatabases();
let calls = 0;
const analytics = createDb(sqlite(":memory:"));
registerLazyDb("analytics", () => {
calls++;
return analytics;
});
expect(hasDb("analytics")).toBe(true);
expect(databaseNames()).toEqual(["analytics"]);
expect(calls).toBe(0);
expect(getDb("analytics")).toBe(analytics);
expect(getDb("analytics")).toBe(analytics);
expect(calls).toBe(1);
await closeDatabases();
});
test("closing the registry does not instantiate unused lazy databases", async () => {
await closeDatabases();
let calls = 0;
registerLazyDb("unused", () => {
calls++;
return createDb(sqlite(":memory:"));
});
await closeDatabases();
expect(calls).toBe(0);
});
test("registry closes every database and clears itself when one close fails", async () => {
await closeDatabases();
let secondClosed = false;
const broken = { close: async () => Promise.reject(new Error("close failed")) } as Db;
const healthy = { close: () => void (secondClosed = true) } as Db;
setDb(broken);
registerDb("healthy", healthy);
await expect(closeDatabases()).rejects.toThrow("databases failed to close");
expect(secondClosed).toBe(true);
expect(databaseNames()).toEqual([]);
});