realm-js/tests/lib/results-tests.js

/* Copyright 2015 Realm Inc - All Rights Reserved
 * Proprietary and Confidential
 */

'use strict';

var Realm = require('realm');
var BaseTest = require('./base-test');
var TestCase = require('./asserts');
var schemas = require('./schemas');

module.exports = BaseTest.extend({
    testResultsLength: function() {
        var realm = new Realm({schema: [schemas.TestObject]});
        var objects = realm.objects('TestObject');
        TestCase.assertEqual(objects.length, 0);

        realm.write(function() {
            realm.create('TestObject', {doubleCol: 1});
            TestCase.assertEqual(objects.length, 1);
        });
        TestCase.assertEqual(objects.length, 1);
    },
    testResultsSubscript: function() {
        var realm = new Realm({schema: [schemas.PersonObject]});
        realm.write(function() {
            realm.create('PersonObject', {name: 'name1', age: 1});
            realm.create('PersonObject', {name: 'name2', age: 2});
        });

        var people = realm.objects('PersonObject');
        TestCase.assertEqual(people[0].age, 1);
        TestCase.assertEqual(people[1].age, 2);
        TestCase.assertEqual(people[2], undefined);
        TestCase.assertEqual(people[-1], undefined);
        TestCase.assertTrue(Object.getPrototypeOf(people[0]) === schemas.PersonObject.prototype);
        TestCase.assertTrue(people[0] instanceof schemas.PersonObject);
    },
    testResultsReadonly: function() {
        var realm = new Realm({schema: [schemas.TestObject]});
        var objects = realm.objects('TestObject');

        realm.write(function() {
            realm.create('TestObject', {doubleCol: 1});
        });

        TestCase.assertThrows(function() {
            objects[-1] = {doubleCol: 0};
        });
        TestCase.assertThrows(function() {
            objects[0] = {doubleCol: 0};
        });
        TestCase.assertThrows(function() {
            objects[1] = {doubleCol: 0};
        });
        TestCase.assertThrows(function() {
            objects.length = 0;
        });
    },
    testResultsInvalidProperty: function() {
        var realm = new Realm({schema: [schemas.TestObject]});
        var objects = realm.objects('TestObject');
        TestCase.assertEqual(undefined, objects.ablasdf);
    },
    testResultsInvalidObjectType: function() {
        var realm = new Realm({schema: [schemas.TestObject]});
        TestCase.assertThrows(function() {
            var objects = realm.objects('NotTestObject');
        });
    },
    testResultsEnumerate: function() {
        var realm = new Realm({schema: [schemas.TestObject]});
        var objects = realm.objects('TestObject');

        for (var index in objects) {
            TestCase.assertTrue(false, "No objects should have been enumerated");
        }

        realm.write(function() {
            realm.create('TestObject', {doubleCol: 1});
            TestCase.assertEqual(objects.length, 1);
        });

        var count = 0;
        var keys = Object.keys(objects);
        for (var index in objects) {
            TestCase.assertEqual(count++, +index);
            TestCase.assertEqual(keys[index], index);
        } 

        TestCase.assertEqual(count, 1);
        TestCase.assertEqual(keys.length, 1);
    },
    testResultsFiltered: function() {
        var realm = new Realm({schema: [schemas.PersonObject, schemas.DefaultValues, schemas.TestObject]});
        realm.write(function() {
            realm.create('PersonObject', {name: 'Ari', age: 10});
            realm.create('PersonObject', {name: 'Tim', age: 11});
            realm.create('PersonObject', {name: 'Bjarne', age: 12});
            realm.create('PersonObject', {name: 'Alex', age: 12, married: true});
        });

        TestCase.assertEqual(realm.objects('PersonObject').filtered("truepredicate").length, 4);
        TestCase.assertEqual(realm.objects('PersonObject').length, 4);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('age = 11').length, 1);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('age = 11')[0].name, 'Tim');
        TestCase.assertEqual(realm.objects('PersonObject').filtered('age = 12').length, 2);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('age = 13').length, 0);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('age < 12').length, 2);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('age > 10 && age < 13').length, 3);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('age > 10').filtered('age < 13').length, 3);

        TestCase.assertEqual(realm.objects('PersonObject').filtered('age >= 11 && age < 13').length, 3);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('name = "Tim"').length, 1);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('name = \'Tim\'').length, 1);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('married == TRUE').length, 1);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('married == false').length, 3);

        TestCase.assertEqual(realm.objects('PersonObject').filtered('name = $0', 'Tim').length, 1);
        TestCase.assertEqual(realm.objects('PersonObject').filtered('age > $1 && age < $0', 13, 10).length, 3);
        TestCase.assertThrows(function() {
            realm.objects('PersonObject').filtered('age > $2 && age < $0', 13, 10)
        });

        realm.write(function() {
            realm.create('DefaultValuesObject', {'dateCol': new Date(3)});
            realm.create('DefaultValuesObject', {'dateCol': new Date(4)});
            realm.create('DefaultValuesObject', {'dateCol': new Date(5)});
        });

        TestCase.assertEqual(realm.objects('DefaultValuesObject').filtered('dateCol > $0', new Date(4)).length, 1);
        TestCase.assertEqual(realm.objects('DefaultValuesObject').filtered('dateCol <= $0', new Date(4)).length, 2);

        TestCase.assertThrows(function() {
            realm.objects('PersonObject').filtered("invalidQuery");
        });
    },
    testSort: function() {
        var realm = new Realm({schema: [schemas.TestObject]});
        var objects = realm.objects('TestObject');

        realm.write(function() {
            realm.create('TestObject', {doubleCol: 2});
            realm.create('TestObject', {doubleCol: 3});
            realm.create('TestObject', {doubleCol: 1});
            realm.create('TestObject', {doubleCol: 4});
            realm.create('TestObject', {doubleCol: 0});
        });

        objects = objects.sortedBy('doubleCol');
        TestCase.assertEqual(objects[0].doubleCol, 0);
        TestCase.assertEqual(objects[1].doubleCol, 1);
        TestCase.assertEqual(objects[2].doubleCol, 2);
        TestCase.assertEqual(objects[3].doubleCol, 3);
        TestCase.assertEqual(objects[4].doubleCol, 4);

        objects = objects.sortedBy('doubleCol', true);
        TestCase.assertEqual(objects[0].doubleCol, 4);
        TestCase.assertEqual(objects[1].doubleCol, 3);
        TestCase.assertEqual(objects[2].doubleCol, 2);
        TestCase.assertEqual(objects[3].doubleCol, 1);
        TestCase.assertEqual(objects[4].doubleCol, 0);
    },
});