104 lines
3.0 KiB
JavaScript
104 lines
3.0 KiB
JavaScript
// Copyright IBM Corp. 2013,2019. All Rights Reserved.
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// Node module: loopback-datasource-juggler
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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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// This test written in mocha+should.js
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'use strict';
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/* global getSchema:false */
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const should = require('./init.js');
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const db = getSchema();
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describe('defaults', function() {
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let Server;
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before(function() {
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Server = db.define('Server', {
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host: String,
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port: {type: Number, default: 80},
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createdAt: {type: Date, default: '$now'},
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});
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});
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it('should apply defaults on new', function() {
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const s = new Server;
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s.port.should.equal(80);
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});
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it('should apply defaults on create', function(done) {
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Server.create(function(err, s) {
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s.port.should.equal(80);
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done();
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});
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});
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it('should NOT apply defaults on read', function(done) {
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db.defineProperty('Server', 'host', {
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type: String,
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default: 'localhost',
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});
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Server.all(function(err, servers) {
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should(servers[0].host).be.undefined();
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done();
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});
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});
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it('should ignore defaults with limited fields', function(done) {
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Server.create({host: 'localhost', port: 8080}, function(err, s) {
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should.not.exist(err);
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s.port.should.equal(8080);
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Server.findById(s.id, {fields: ['host']}, function(err, server) {
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server.should.have.property('host', 'localhost');
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server.should.have.property('port', undefined);
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done();
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});
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});
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});
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it('should apply defaults in upsert create', function(done) {
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Server.upsert({port: 8181}, function(err, server) {
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should.not.exist(err);
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should.exist(server.createdAt);
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done();
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});
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});
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it('should preserve defaults in upsert update', function(done) {
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Server.findOne({}, function(err, server) {
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Server.upsert({id: server.id, port: 1337}, function(err, s) {
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should.not.exist(err);
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(Number(1337)).should.equal(s.port);
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server.createdAt.should.eql(s.createdAt);
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done();
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});
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});
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});
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context('applyDefaultOnWrites', function() {
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it('does not affect default behavior when not set', async () => {
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const Apple = db.define('Apple', {
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color: {type: String, default: 'red'},
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taste: {type: String, default: 'sweet'},
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}, {applyDefaultsOnReads: false});
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const apple = await Apple.create();
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apple.color.should.equal('red');
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apple.taste.should.equal('sweet');
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});
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it('removes the property when set to `false`', async () => {
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const Apple = db.define('Apple', {
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color: {type: String, default: 'red', applyDefaultOnWrites: false},
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taste: {type: String, default: 'sweet'},
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}, {applyDefaultsOnReads: false});
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const apple = await Apple.create({color: 'red', taste: 'sweet'});
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const found = await Apple.findById(apple.id);
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should(found.color).be.undefined();
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found.taste.should.equal('sweet');
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});
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});
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});
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