109 lines
4.1 KiB
JavaScript
109 lines
4.1 KiB
JavaScript
import { get as httpGet } from 'consul-ui/tests/helpers/api';
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import { get, set } from '@ember/object';
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import measure from 'consul-ui/tests/helpers/measure';
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/** Stub an ember-data adapter response using the private method
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*
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* Allows you to easily specify a HTTP response for the Adapter. The stub only works
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* during the 'lifetime' of `cb` and is reset to normal unstubbed functionality afterwards.
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*
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* Please Note: This overwrites a private ember-data Adapter method, please understand
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* the consequences of doing this if you are using it
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*
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* @param {function} cb - The callback, or test case, to run using the stubbed response
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* @param {object} payload - The payload to use as the response
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* @param {DS.Adapter} adapter - An instance of an ember-data Adapter
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*/
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const stubAdapterResponse = function(cb, payload, adapter) {
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const payloadClone = JSON.parse(JSON.stringify(payload));
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const client = get(adapter, 'client');
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set(adapter, 'client', {
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request: function(cb) {
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return cb(function() {
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const params = client.requestParams(...arguments);
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payload.headers['X-Consul-Namespace'] = params.data.ns || 'default';
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payload.headers['X-Consul-Partition'] = params.data.partition || 'default';
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return Promise.resolve(function(cb) {
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return cb(payload.headers, payloadClone.payload);
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});
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});
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},
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});
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return cb(payload.payload).then(function(result) {
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set(adapter, 'client', client);
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return result;
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});
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};
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/** `repo` a helper function to faciliate easy integration testing of ember-data Service 'repo' layers
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*
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* Test performance is also measured using `consul-ui/tests/helpers/measure` and therefore results
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* can optionally be sent to a centralized metrics collection stack
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*
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* @param {string} name - The name of your repo Service (only used for meta purposes)
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* @param {string} payload - The method you are testing (only used for meta purposes)
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* @param {Service} service - An instance of an ember-data based repo Service
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* @param {function} stub - A function that receives a `stub` function allowing you to stub
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* an API endpoint with a set of cookies/env vars used by the double
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* @param {function} test - Your test case. This function receives an instance of the Service provided
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* above as a first and only argument, it should return the result of your test
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* @param {function} assert - Your assertion. This receives the result of the previous function as the first
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* argument and a function to that receives the stubbed payload giving you an
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* opportunity to mutate it before returning for use in your assertion
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*/
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export default function(name, method, service, stub, test, assert) {
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const adapter = get(service, 'store').adapterFor(name.toLowerCase());
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let tags = {};
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const requestHeaders = function(url, cookies = {}) {
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const key = Object.keys(cookies).find(function(item) {
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return item.indexOf('COUNT') !== -1;
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});
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tags = {
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count: typeof key !== 'undefined' ? parseInt(cookies[key]) : 1,
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};
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return httpGet(url, {
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headers: {
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cookie: cookies,
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},
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}).then(function(payload) {
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return {
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headers: {},
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payload: payload,
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};
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});
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};
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const parseResponse = function(response) {
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let actual;
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if (typeof response.toArray === 'function') {
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actual = response.toArray().map(function(item) {
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return get(item, 'data');
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});
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} else {
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if (typeof response.get === 'function') {
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actual = get(response, 'data');
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} else {
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actual = response;
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}
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}
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return actual;
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};
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return stub(requestHeaders).then(function(payload) {
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return stubAdapterResponse(
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function(payload) {
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return measure(
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function() {
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return test(service);
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},
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`${name}Service.${method}`,
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tags
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).then(function(response) {
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assert(parseResponse(response), function(cb) {
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return cb(payload);
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});
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});
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},
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payload,
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adapter
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);
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});
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}
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