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https://github.com/SomboChea/ui
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fix: adds unit tests for api service (#235)
* refactor: adds unit tests for api service * refactor: fix test dummy url
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@ -15,6 +15,8 @@ global.__APP_VERSION__ = '1.0.0';
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// @ts-ignore : Property '__VERDACCIO_BASENAME_UI_OPTIONS' does not exist on type 'Global'.
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global.__VERDACCIO_BASENAME_UI_OPTIONS = {};
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global.VERDACCIO_API_URL = 'https://verdaccio.tld';
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const customGlobal: GlobalWithFetchMock = global as GlobalWithFetchMock;
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customGlobal.fetch = require('jest-fetch-mock');
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customGlobal.fetchMock = customGlobal.fetch;
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@ -1,4 +1,4 @@
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import { handleResponseType } from '../../src/utils/api';
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import api, { handleResponseType } from '../../src/utils/api';
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describe('api', () => {
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describe('handleResponseType', () => {
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@ -29,4 +29,118 @@ describe('api', () => {
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expect(handled).toEqual([true, blob]);
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});
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});
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describe('api client', () => {
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let fetchSpy;
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beforeEach(() => {
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fetchSpy = jest.spyOn(window, 'fetch');
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});
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afterEach(() => {
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fetchSpy.mockRestore();
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});
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test('when there is no VERDACCIO_URL is defined', () => {
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const { VERDACCIO_API_URL } = window;
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delete window.VERDACCIO_API_URL;
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// @ts-ignore
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window.VERDACCIO_API_URL = undefined;
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expect(() => {
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api.request('https://verdaccio.tld');
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}).toThrow(new Error('VERDACCIO_API_URL is not defined!'));
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window.VERDACCIO_API_URL = VERDACCIO_API_URL;
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});
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test('when url is a resource url', async () => {
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fetchSpy.mockImplementation(() =>
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Promise.resolve({
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headers: new Headers({
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'Content-Type': 'application/json',
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}),
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ok: true,
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json: () => ({ a: 1 }),
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})
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);
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const response = await api.request('/resource');
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expect(fetchSpy).toHaveBeenCalledWith('https://verdaccio.tld/resource', {
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credentials: 'same-origin',
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headers: {},
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method: 'GET',
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});
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expect(response).toEqual({ a: 1 });
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});
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test('when there is token from storage', async () => {
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jest.resetModules();
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jest.doMock('./storage', () => ({ getItem: () => 'token-xx-xx-xx' }));
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fetchSpy.mockImplementation(() =>
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Promise.resolve({
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headers: new Headers({
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'Content-Type': 'application/json',
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}),
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ok: true,
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json: () => ({ c: 3 }),
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})
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);
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const api = require('../../src/utils/api').default;
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const response = await api.request('/resource', 'GET');
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expect(fetchSpy).toHaveBeenCalledWith('https://verdaccio.tld/resource', {
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credentials: 'same-origin',
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headers: {
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Authorization: 'Bearer token-xx-xx-xx',
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},
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method: 'GET',
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});
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expect(response).toEqual({ c: 3 });
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});
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test('when url is a cross origin url', async () => {
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fetchSpy.mockImplementation(() =>
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Promise.resolve({
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headers: new Headers({
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'Content-Type': 'application/json',
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}),
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ok: true,
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json: () => ({ b: 2 }),
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})
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);
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const response = await api.request('https://verdaccio.xyz/resource');
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expect(fetchSpy).toHaveBeenCalledWith('https://verdaccio.xyz/resource', {
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credentials: 'same-origin',
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headers: {},
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method: 'GET',
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});
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expect(response).toEqual({ b: 2 });
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});
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test('when api returns an error 3.x.x - 4.x.x', async () => {
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fetchSpy.mockImplementation(() =>
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Promise.resolve({
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headers: new Headers({
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'Content-Type': 'application/json',
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}),
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ok: false,
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json: () => {},
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})
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);
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await expect(api.request('/resource')).rejects.toThrow(new Error('something went wrong'));
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});
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test('when api returns an error 5.x.x', async () => {
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const errorMessage = 'Internal server error';
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fetchSpy.mockImplementation(() => Promise.reject(new Error(errorMessage)));
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await expect(api.request('/resource')).rejects.toThrow(new Error(errorMessage));
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});
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});
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});
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