76 lines
2.5 KiB
JavaScript
76 lines
2.5 KiB
JavaScript
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// Storage factory (index.js) test.
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// Verifies getStorage() returns the right adapter per REACT_APP_STORAGE env,
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// caches as singleton, and getStorageMode() reports the active mode.
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// Adapters are mocked (no network/init) — factory routing is the unit.
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import { getStorage, getStorageMode } from '../storage/index';
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// reset module-level singleton between tests
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let originalStorage;
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beforeEach(() => {
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originalStorage = process.env.REACT_APP_STORAGE;
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// bust the module singleton by re-importing fresh
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jest.resetModules();
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});
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afterEach(() => {
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if (originalStorage === undefined) delete process.env.REACT_APP_STORAGE;
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else process.env.REACT_APP_STORAGE = originalStorage;
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jest.resetModules();
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});
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describe('getStorageMode', () => {
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test('defaults to firebase when env unset', () => {
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delete process.env.REACT_APP_STORAGE;
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const { getStorageMode } = require('../storage/index');
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expect(getStorageMode()).toBe('firebase');
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});
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test('returns ws when REACT_APP_STORAGE=ws', () => {
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process.env.REACT_APP_STORAGE = 'ws';
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const { getStorageMode } = require('../storage/index');
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expect(getStorageMode()).toBe('ws');
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});
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test('returns memory when REACT_APP_STORAGE=memory', () => {
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process.env.REACT_APP_STORAGE = 'memory';
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const { getStorageMode } = require('../storage/index');
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expect(getStorageMode()).toBe('memory');
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});
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});
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describe('getStorage factory routing', () => {
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test('memory mode returns memory adapter', () => {
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process.env.REACT_APP_STORAGE = 'memory';
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const { getStorage } = require('../storage/index');
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const s = getStorage();
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expect(s).toBeTruthy();
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expect(typeof s.getDoc).toBe('function');
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expect(typeof s.setDoc).toBe('function');
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expect(typeof s.subscribeDoc).toBe('function');
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});
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test('returns singleton on repeat call (same instance)', () => {
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process.env.REACT_APP_STORAGE = 'memory';
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const { getStorage } = require('../storage/index');
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const a = getStorage();
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const b = getStorage();
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expect(a).toBe(b);
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});
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test('ws mode returns ws adapter (init may fail without backend — catch)', () => {
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process.env.REACT_APP_STORAGE = 'ws';
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const { getStorage } = require('../storage/index');
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try {
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const s = getStorage();
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expect(s).toBeTruthy();
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expect(typeof s.getDoc).toBe('function');
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} catch (e) {
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// ws adapter without backend URL/config is allowed to throw at factory;
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// routing reached ws branch (not memory/firebase) which is the contract.
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expect(e).toBeTruthy();
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}
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});
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});
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