fix: adds unit tests for api service (#235)

* refactor: adds unit tests for api service

* refactor: fix test dummy url
This commit is contained in:
Ayush Sharma 2019-11-01 07:18:55 +01:00 committed by Juan Picado @jotadeveloper
parent 5cb47ed49e
commit 803da1c532
2 changed files with 117 additions and 1 deletions

View File

@ -15,6 +15,8 @@ global.__APP_VERSION__ = '1.0.0';
// @ts-ignore : Property '__VERDACCIO_BASENAME_UI_OPTIONS' does not exist on type 'Global'. // @ts-ignore : Property '__VERDACCIO_BASENAME_UI_OPTIONS' does not exist on type 'Global'.
global.__VERDACCIO_BASENAME_UI_OPTIONS = {}; global.__VERDACCIO_BASENAME_UI_OPTIONS = {};
global.VERDACCIO_API_URL = 'https://verdaccio.tld';
const customGlobal: GlobalWithFetchMock = global as GlobalWithFetchMock; const customGlobal: GlobalWithFetchMock = global as GlobalWithFetchMock;
customGlobal.fetch = require('jest-fetch-mock'); customGlobal.fetch = require('jest-fetch-mock');
customGlobal.fetchMock = customGlobal.fetch; customGlobal.fetchMock = customGlobal.fetch;

View File

@ -1,4 +1,4 @@
import { handleResponseType } from '../../src/utils/api'; import api, { handleResponseType } from '../../src/utils/api';
describe('api', () => { describe('api', () => {
describe('handleResponseType', () => { describe('handleResponseType', () => {
@ -29,4 +29,118 @@ describe('api', () => {
expect(handled).toEqual([true, blob]); expect(handled).toEqual([true, blob]);
}); });
}); });
describe('api client', () => {
let fetchSpy;
beforeEach(() => {
fetchSpy = jest.spyOn(window, 'fetch');
});
afterEach(() => {
fetchSpy.mockRestore();
});
test('when there is no VERDACCIO_URL is defined', () => {
const { VERDACCIO_API_URL } = window;
delete window.VERDACCIO_API_URL;
// @ts-ignore
window.VERDACCIO_API_URL = undefined;
expect(() => {
api.request('https://verdaccio.tld');
}).toThrow(new Error('VERDACCIO_API_URL is not defined!'));
window.VERDACCIO_API_URL = VERDACCIO_API_URL;
});
test('when url is a resource url', async () => {
fetchSpy.mockImplementation(() =>
Promise.resolve({
headers: new Headers({
'Content-Type': 'application/json',
}),
ok: true,
json: () => ({ a: 1 }),
})
);
const response = await api.request('/resource');
expect(fetchSpy).toHaveBeenCalledWith('https://verdaccio.tld/resource', {
credentials: 'same-origin',
headers: {},
method: 'GET',
});
expect(response).toEqual({ a: 1 });
});
test('when there is token from storage', async () => {
jest.resetModules();
jest.doMock('./storage', () => ({ getItem: () => 'token-xx-xx-xx' }));
fetchSpy.mockImplementation(() =>
Promise.resolve({
headers: new Headers({
'Content-Type': 'application/json',
}),
ok: true,
json: () => ({ c: 3 }),
})
);
const api = require('../../src/utils/api').default;
const response = await api.request('/resource', 'GET');
expect(fetchSpy).toHaveBeenCalledWith('https://verdaccio.tld/resource', {
credentials: 'same-origin',
headers: {
Authorization: 'Bearer token-xx-xx-xx',
},
method: 'GET',
});
expect(response).toEqual({ c: 3 });
});
test('when url is a cross origin url', async () => {
fetchSpy.mockImplementation(() =>
Promise.resolve({
headers: new Headers({
'Content-Type': 'application/json',
}),
ok: true,
json: () => ({ b: 2 }),
})
);
const response = await api.request('https://verdaccio.xyz/resource');
expect(fetchSpy).toHaveBeenCalledWith('https://verdaccio.xyz/resource', {
credentials: 'same-origin',
headers: {},
method: 'GET',
});
expect(response).toEqual({ b: 2 });
});
test('when api returns an error 3.x.x - 4.x.x', async () => {
fetchSpy.mockImplementation(() =>
Promise.resolve({
headers: new Headers({
'Content-Type': 'application/json',
}),
ok: false,
json: () => {},
})
);
await expect(api.request('/resource')).rejects.toThrow(new Error('something went wrong'));
});
test('when api returns an error 5.x.x', async () => {
const errorMessage = 'Internal server error';
fetchSpy.mockImplementation(() => Promise.reject(new Error(errorMessage)));
await expect(api.request('/resource')).rejects.toThrow(new Error(errorMessage));
});
});
}); });