78 lines
2 KiB
JavaScript
78 lines
2 KiB
JavaScript
import EventEmitter from 'events';
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const axios = jest.requireActual('~/lib/utils/axios_utils').default;
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axios.isMock = true;
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// Fail tests for unmocked requests
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axios.defaults.adapter = (config) => {
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const message =
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`Unexpected unmocked request: ${JSON.stringify(config, null, 2)}\n` +
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'Consider using the `axios-mock-adapter` module in tests.';
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const error = new Error(message);
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error.config = config;
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global.fail(error);
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throw error;
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};
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// Count active requests and provide a way to wait for them
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let activeRequests = 0;
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const events = new EventEmitter();
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const onRequest = () => {
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activeRequests += 1;
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};
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// Use setImmediate to alloow the response interceptor to finish
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const onResponse = (config) => {
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activeRequests -= 1;
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setImmediate(() => {
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events.emit('response', config);
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});
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};
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const subscribeToResponse = (predicate = () => true) =>
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new Promise((resolve) => {
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const listener = (config = {}) => {
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if (predicate(config)) {
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events.off('response', listener);
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resolve(config);
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}
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};
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events.on('response', listener);
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// If a request has been made synchronously, setImmediate waits for it to be
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// processed and the counter incremented.
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setImmediate(listener);
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});
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/**
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* Registers a callback function to be run after a request to the given URL finishes.
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*/
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axios.waitFor = (url) => subscribeToResponse(({ url: configUrl }) => configUrl === url);
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/**
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* Registers a callback function to be run after all requests have finished. If there are no requests waiting, the callback is executed immediately.
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*/
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axios.waitForAll = () => subscribeToResponse(() => activeRequests === 0);
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axios.countActiveRequests = () => activeRequests;
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axios.interceptors.request.use((config) => {
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onRequest();
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return config;
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});
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// Remove the global counter
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axios.interceptors.response.use(
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(response) => {
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onResponse(response.config);
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return response;
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},
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(err) => {
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onResponse(err.config);
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return Promise.reject(err);
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},
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);
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export default axios;
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