101 lines
2.7 KiB
JavaScript
101 lines
2.7 KiB
JavaScript
// Copyright IBM Corp. 2015,2016. All Rights Reserved.
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// Node module: loopback
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// This file is licensed under the MIT License.
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// License text available at https://opensource.org/licenses/MIT
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'use strict';
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var expect = require('chai').expect;
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var loopback = require('../');
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describe('PersistedModel.createChangeStream()', function() {
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describe('configured to source changes locally', function() {
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before(function() {
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var test = this;
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var app = loopback({localRegistry: true});
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var ds = app.dataSource('ds', {connector: 'memory'});
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var Score = app.registry.createModel('Score');
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this.Score = app.model(Score, {
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dataSource: 'ds',
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changeDataSource: false, // use only local observers
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});
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});
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it('should detect create', function(done) {
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var Score = this.Score;
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Score.createChangeStream(function(err, changes) {
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changes.on('data', function(change) {
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expect(change.type).to.equal('create');
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changes.destroy();
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done();
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});
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Score.create({team: 'foo'});
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});
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});
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it('should detect update', function(done) {
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var Score = this.Score;
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Score.create({team: 'foo'}, function(err, newScore) {
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Score.createChangeStream(function(err, changes) {
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changes.on('data', function(change) {
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expect(change.type).to.equal('update');
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changes.destroy();
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done();
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});
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newScore.updateAttributes({
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bat: 'baz',
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});
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});
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});
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});
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it('should detect delete', function(done) {
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var Score = this.Score;
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Score.create({team: 'foo'}, function(err, newScore) {
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Score.createChangeStream(function(err, changes) {
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changes.on('data', function(change) {
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expect(change.type).to.equal('remove');
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changes.destroy();
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done();
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});
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newScore.remove();
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});
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});
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});
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});
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// TODO(ritch) implement multi-server support
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describe.skip('configured to source changes using pubsub', function() {
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before(function() {
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var test = this;
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var app = loopback({localRegistry: true});
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var db = app.dataSource('ds', {connector: 'memory'});
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var ps = app.dataSource('ps', {
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host: 'localhost',
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port: '12345',
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connector: 'pubsub',
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pubsubAdapter: 'mqtt',
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});
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this.Score = app.model('Score', {
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dataSource: 'db',
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changeDataSource: 'ps',
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});
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});
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it('should detect a change', function(done) {
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var Score = this.Score;
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Score.createChangeStream(function(err, changes) {
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changes.on('data', function(change) {
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done();
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});
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});
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});
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});
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});
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