realm-js/tests/js/linkingobjects-tests.js

128 lines
4.6 KiB
JavaScript

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2017 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
'use strict';
var Realm = require('realm');
var TestCase = require('./asserts');
var schemas = require('./schemas');
function names(results) {
return results.map(function(object) {
return object.name;
});
}
module.exports = {
testBasics: function() {
var realm = new Realm({schema: [schemas.PersonObject]});
var olivier, oliviersParents;
realm.write(function() {
olivier = realm.create('PersonObject', {name: 'Olivier', age: 0});
realm.create('PersonObject', {name: 'Christine', age: 25, children: [olivier]});
oliviersParents = olivier.parents;
TestCase.assertArraysEqual(names(oliviersParents), ['Christine']);
});
TestCase.assertArraysEqual(names(oliviersParents), ['Christine']);
var jp;
realm.write(function() {
jp = realm.create('PersonObject', {name: 'JP', age: 28, children: [olivier]});
TestCase.assertArraysEqual(names(oliviersParents), ['Christine', 'JP']);
});
realm.write(function() {
realm.delete(olivier);
TestCase.assertEqual(oliviersParents.length, 0);
});
},
testFilteredLinkingObjects: function() {
var realm = new Realm({schema: [schemas.PersonObject]});
var christine, olivier, oliviersParents;
realm.write(function() {
olivier = realm.create('PersonObject', {name: 'Olivier', age: 0});
christine = realm.create('PersonObject', {name: 'Christine', age: 25, children: [olivier]});
realm.create('PersonObject', {name: 'JP', age: 28, children: [olivier]});
oliviersParents = olivier.parents;
});
// Three separate queries so that accessing a property on one doesn't invalidate testing of other properties.
var resultsA = oliviersParents.filtered('age > 25');
var resultsB = oliviersParents.filtered('age > 25');
var resultsC = oliviersParents.filtered('age > 25');
realm.write(function() {
var removed = christine.children.splice(0);
TestCase.assertEqual(removed.length, 1);
});
TestCase.assertEqual(resultsA.length, 1);
TestCase.assertEqual(resultsB.filtered("name = 'Christine'").length, 0);
TestCase.assertArraysEqual(names(resultsC), ['JP']);
},
testMethod: function() {
var realm = new Realm({schema: [schemas.PersonObject]});
var person;
realm.write(function () {
person = realm.create('PersonObject', { name: 'Person 1', age: 50 });
});
TestCase.assertThrows(() => person.linkingObjects('NoSuchSchema', 'noSuchProperty'),
"Could not find schema for type 'NoSuchSchema'");
TestCase.assertThrows(() => person.linkingObjects('PersonObject', 'noSuchProperty'),
"Type 'PersonObject' does not contain property 'noSuchProperty'");
TestCase.assertThrows(() => person.linkingObjects('PersonObject', 'name'),
"'PersonObject.name' is not a relationship to 'PersonObject'");
var olivier, oliviersParents;
realm.write(function() {
olivier = realm.create('PersonObject', {name: 'Olivier', age: 0});
realm.create('PersonObject', {name: 'Christine', age: 25, children: [olivier]});
oliviersParents = olivier.linkingObjects('PersonObject', 'children');
TestCase.assertArraysEqual(names(oliviersParents), ['Christine']);
});
TestCase.assertArraysEqual(names(oliviersParents), ['Christine']);
var jp;
realm.write(function() {
jp = realm.create('PersonObject', {name: 'JP', age: 28, children: [olivier]});
TestCase.assertArraysEqual(names(oliviersParents), ['Christine', 'JP']);
});
realm.write(function() {
realm.delete(olivier);
TestCase.assertEqual(oliviersParents.length, 0);
});
},
};