debian-mirror-gitlab/spec/frontend/performance_bar/index_spec.js

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import MockAdapter from 'axios-mock-adapter';
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import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
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import axios from '~/lib/utils/axios_utils';
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import { HTTP_STATUS_OK } from '~/lib/utils/http_status';
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import '~/performance_bar/components/performance_bar_app.vue';
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import performanceBar from '~/performance_bar';
import PerformanceBarService from '~/performance_bar/services/performance_bar_service';
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jest.mock('~/performance_bar/performance_bar_log');
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describe('performance bar wrapper', () => {
let mock;
let vm;
beforeEach(() => {
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setHTMLFixture('<div id="js-peek"></div>');
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const peekWrapper = document.getElementById('js-peek');
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performance.getEntriesByType = jest.fn().mockReturnValue([]);
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peekWrapper.setAttribute('id', 'js-peek');
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peekWrapper.dataset.env = 'development';
peekWrapper.dataset.requestId = '123';
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peekWrapper.dataset.requestMethod = 'GET';
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peekWrapper.dataset.peekUrl = '/-/peek/results';
peekWrapper.dataset.statsUrl = 'https://log.gprd.gitlab.net/app/dashboards#/view/';
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mock = new MockAdapter(axios);
mock.onGet('/-/peek/results').reply(
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HTTP_STATUS_OK,
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{
data: {
gc: {
invokes: 0,
invoke_time: '0.00',
use_size: 0,
total_size: 0,
total_object: 0,
gc_time: '0.00',
},
host: { hostname: 'web-01' },
},
},
{},
);
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vm = performanceBar(peekWrapper);
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});
afterEach(() => {
vm.$destroy();
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document.getElementById('js-peek').remove();
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mock.restore();
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resetHTMLFixture();
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});
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describe('addRequest', () => {
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beforeEach(() => {
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jest.spyOn(vm.store, 'addRequest');
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});
it('does nothing if the request cannot be tracked', () => {
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jest.spyOn(vm.store, 'canTrackRequest').mockImplementation(() => false);
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vm.addRequest('123', 'https://gitlab.com/');
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expect(vm.store.addRequest).not.toHaveBeenCalled();
});
it('adds the request immediately', () => {
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vm.addRequest('123', 'https://gitlab.com/');
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expect(vm.store.addRequest).toHaveBeenCalledWith(
'123',
'https://gitlab.com/',
undefined,
undefined,
undefined,
);
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});
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});
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describe('loadRequestDetails', () => {
beforeEach(() => {
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jest.spyOn(PerformanceBarService, 'fetchRequestDetails');
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});
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it('makes an HTTP request for the request details', () => {
vm.addRequest('456', 'https://gitlab.com/');
vm.loadRequestDetails('456');
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expect(PerformanceBarService.fetchRequestDetails).toHaveBeenCalledWith(
'/-/peek/results',
'456',
);
});
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it('does not make a request if request was not added', () => {
vm.loadRequestDetails('456');
expect(PerformanceBarService.fetchRequestDetails).not.toHaveBeenCalled();
});
it('makes an HTTP request only once for the same request', async () => {
vm.addRequest('456', 'https://gitlab.com/');
await vm.loadRequestDetails('456');
vm.loadRequestDetails('456');
expect(PerformanceBarService.fetchRequestDetails).toHaveBeenCalledTimes(1);
});
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});
});