mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 01:39:44 +01:00
20986e17b7
* persist state in metaRPCHandler so that we are sure state is persisted before sending back response to actions
80 lines
2.7 KiB
JavaScript
80 lines
2.7 KiB
JavaScript
import browser from 'webextension-polyfill';
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import LocalStore from './local-store';
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jest.mock('webextension-polyfill', () => ({
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storage: { local: true },
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}));
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const setup = ({ isSupported }) => {
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browser.storage.local = isSupported;
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return new LocalStore();
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};
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describe('LocalStore', () => {
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afterEach(() => {
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jest.resetModules();
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});
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describe('contructor', () => {
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it('should set isSupported property to false when browser does not support local storage', () => {
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const localStore = setup({ isSupported: false });
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expect(localStore.isSupported).toBe(false);
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});
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it('should set isSupported property to true when browser supports local storage', () => {
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const localStore = setup({ isSupported: true });
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expect(localStore.isSupported).toBe(true);
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});
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});
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describe('setMetadata', () => {
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it('should set the metadata property on LocalStore', () => {
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const metadata = { version: 74 };
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const localStore = setup({ isSupported: true });
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localStore.setMetadata(metadata);
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expect(localStore.metadata).toStrictEqual(metadata);
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});
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});
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describe('set', () => {
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it('should throw an error if called in a browser that does not support local storage', async () => {
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const localStore = setup({ isSupported: false });
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await expect(() => localStore.set()).rejects.toThrow(
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'Metamask- cannot persist state to local store as this browser does not support this action',
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);
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});
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it('should throw an error if not passed a truthy value as an argument', async () => {
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const localStore = setup({ isSupported: true });
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await expect(() => localStore.set()).rejects.toThrow(
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'MetaMask - updated state is missing',
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);
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});
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it('should throw an error if passed a valid argument but metadata has not yet been set', async () => {
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const localStore = setup({ isSupported: true });
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await expect(() =>
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localStore.set({ appState: { test: true } }),
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).rejects.toThrow(
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'MetaMask - metadata must be set on instance of ExtensionStore before calling "set"',
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);
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});
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it('should not throw if passed a valid argument and metadata has been set', async () => {
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const localStore = setup({ isSupported: true });
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localStore.setMetadata({ version: 74 });
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await expect(async function () {
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localStore.set({ appState: { test: true } });
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}).not.toThrow();
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});
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});
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describe('get', () => {
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it('should return undefined if called in a browser that does not support local storage', async () => {
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const localStore = setup({ isSupported: false });
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const result = await localStore.get();
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expect(result).toStrictEqual(undefined);
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});
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});
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});
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