rx-elasticsearch/test/Scroll.spec.js

RxJS Observables for the Elasticsearch client

"use strict";
require('expectations');
var sinon = require('sinon');
var elasticsearch = require('elasticsearch');
var Scroll_1 = require('../src/Scroll');
describe('The scrolling function tested with a spy Elasticsearch client', function () {
    var client = new elasticsearch.Client({});
    var responses = [{
            _scroll_id: 1000,
            hits: { hits: [{}, {}, {}, {}, {}] }
        }, {
            _scroll_id: 1001,
            hits: { hits: [{}, {}, {}, {}, {}] }
        }, {
            _scroll_id: 1002,
            hits: { hits: [] }
        }];
    beforeEach(function () {
        sinon
            .stub(client, 'search', null)
            .returns(Promise.resolve(responses[0]));
        sinon
            .stub(client, 'scroll', null)
            .onFirstCall().returns(Promise.resolve(responses[1]))
            .onSecondCall().returns(Promise.resolve(responses[2]))
            .onThirdCall().returns(Promise.resolve(null));
        sinon
            .stub(client, 'clearScroll', null)
            .returns(Promise.resolve());
    });
    it('check if scrollable returns correct results', function () {
        return Scroll_1.Scroll.scroll({}, client)
            .do(function (res) {
            expect(res).toEqual(responses[0]);
            responses.shift();
        })
            .toPromise()
            .then(function () {
            expect(client.search.calledOnce).toBe(true);
            expect(client.scroll.calledTwice).toBe(true);
            expect(client.clearScroll.calledOnce).toBe(true);
        });
    });
});
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