Created domainsList reducer test

This commit is contained in:
Alejandro Celaya 2020-11-28 12:22:52 +01:00
parent dc397d4b82
commit 02c7125236
2 changed files with 64 additions and 1 deletions

View file

@ -16,7 +16,7 @@ export interface DomainsList {
error: boolean;
}
interface ListDomainsAction extends Action<string> {
export interface ListDomainsAction extends Action<string> {
domains: ShlinkDomain[];
}

View file

@ -0,0 +1,63 @@
import { Mock } from 'ts-mockery';
import reducer, {
LIST_DOMAINS,
LIST_DOMAINS_ERROR,
LIST_DOMAINS_START,
ListDomainsAction,
listDomains as listDomainsAction,
} from '../../../src/domains/reducers/domainsList';
import { ShlinkDomain } from '../../../src/utils/services/types';
import ShlinkApiClient from '../../../src/utils/services/ShlinkApiClient';
describe('domainsList', () => {
const domains = [ Mock.all<ShlinkDomain>(), Mock.all<ShlinkDomain>(), Mock.all<ShlinkDomain>() ];
describe('reducer', () => {
const action = (type: string, args: Partial<ListDomainsAction> = {}) => Mock.of<ListDomainsAction>(
{ type, ...args },
);
it('returns loading on LIST_DOMAINS_START', () => {
expect(reducer(undefined, action(LIST_DOMAINS_START))).toEqual({ domains: [], loading: true, error: false });
});
it('returns error on LIST_DOMAINS_ERROR', () => {
expect(reducer(undefined, action(LIST_DOMAINS_ERROR))).toEqual({ domains: [], loading: false, error: true });
});
it('returns domains on LIST_DOMAINS', () => {
expect(reducer(undefined, action(LIST_DOMAINS, { domains }))).toEqual({ domains, loading: false, error: false });
});
});
describe('listDomains', () => {
const dispatch = jest.fn();
const getState = jest.fn();
const listDomains = jest.fn();
const buildShlinkApiClient = () => Mock.of<ShlinkApiClient>({ listDomains });
beforeEach(jest.clearAllMocks);
it('dispatches error when loading domains fails', async () => {
listDomains.mockRejectedValue(new Error('error'));
await listDomainsAction(buildShlinkApiClient)()(dispatch, getState);
expect(dispatch).toHaveBeenCalledTimes(2);
expect(dispatch).toHaveBeenNthCalledWith(1, { type: LIST_DOMAINS_START });
expect(dispatch).toHaveBeenNthCalledWith(2, { type: LIST_DOMAINS_ERROR });
expect(listDomains).toHaveBeenCalledTimes(1);
});
it('dispatches domains once loaded', async () => {
listDomains.mockResolvedValue(domains);
await listDomainsAction(buildShlinkApiClient)()(dispatch, getState);
expect(dispatch).toHaveBeenCalledTimes(2);
expect(dispatch).toHaveBeenNthCalledWith(1, { type: LIST_DOMAINS_START });
expect(dispatch).toHaveBeenNthCalledWith(2, { type: LIST_DOMAINS, domains });
expect(listDomains).toHaveBeenCalledTimes(1);
});
});
});