realm-js/tests/ObjectTests.js

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2015 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');

module.exports = {
    testBasicTypesPropertyGetters: function() {
        var basicTypesValues = [true, 1, 1.1, 1.11, 'string', new Date(1), 'DATA'];
        var realm = new Realm({schema: [schemas.BasicTypes]});
        var object = null;
        realm.write(function() {
            object = realm.create('BasicTypesObject', basicTypesValues);
        });

        for (var i = 0; i < schemas.BasicTypes.properties.length; i++) {
            var prop = schemas.BasicTypes.properties[i];
            if (prop.type == Realm.Types.FLOAT) {
                TestCase.assertEqualWithTolerance(object[prop.name], basicTypesValues[i], 0.000001);
            }
            else if (prop.type == Realm.Types.DATE) {
                TestCase.assertEqual(object[prop.name].getTime(), basicTypesValues[i].getTime());
            }
            else {
                TestCase.assertEqual(object[prop.name], basicTypesValues[i]);
            }
        }
    },
    testBasicTypesPropertySetters: function() {
        var basicTypesValues = [true, 1, 1.1, 1.11, 'string', new Date(1), 'DATA'];
        var realm = new Realm({schema: [schemas.BasicTypes]});
        var obj = null;

        realm.write(function() {
            obj = realm.create('BasicTypesObject', basicTypesValues);
            obj.boolCol = false;
            obj.intCol = 2;
            obj.floatCol = 2.2;
            obj.doubleCol = 2.22;
            obj.stringCol = 'STRING';
            obj.dateCol = new Date(2);
            obj.dataCol = 'b';
        });

        TestCase.assertEqual(obj.boolCol, false, 'wrong bool value');
        TestCase.assertEqual(obj.intCol, 2, 'wrong int value');
        TestCase.assertEqualWithTolerance(obj.floatCol, 2.2, 0.000001, 'wrong float value');
        TestCase.assertEqual(obj.doubleCol, 2.22, 'wrong double value');
        TestCase.assertEqual(obj.stringCol, 'STRING', 'wrong string value');
        TestCase.assertEqual(obj.dateCol.getTime(), 2, 'wrong date value');
        TestCase.assertEqual(obj.dataCol, 'b', 'wrong data value');

        realm.write(function() {
            TestCase.assertThrows(function() {
                obj.boolCol = 'cat';
            });

            TestCase.assertThrows(function() {
                obj.intCol = 'dog';
            });
        });

        TestCase.assertThrows(function() {
            obj.boolCol = true;
        }, 'can only set property values in a write transaction');

        TestCase.assertEqual(obj.boolCol, false, 'bool value changed outside transaction');
    },
    testLinkTypesPropertyGetters: function() {
        var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
        var obj = null;
        realm.write(function() {
            obj = realm.create('LinkTypesObject', [[1], null, [[3]]]);
        });

        var objVal = obj.objectCol;
        TestCase.assertEqual(typeof objVal, 'object');
        TestCase.assertNotEqual(objVal, null);
        TestCase.assertEqual(objVal.doubleCol, 1);

        TestCase.assertEqual(obj.objectCol1, null);

        var arrayVal = obj.arrayCol;
        TestCase.assertEqual(typeof arrayVal, 'object');
        TestCase.assertNotEqual(arrayVal, null);
        TestCase.assertEqual(arrayVal.length, 1);
        TestCase.assertEqual(arrayVal[0].doubleCol, 3);
    },
    testLinkTypesPropertySetters: function() {
        var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
        var obj = null;
        realm.write(function() {
            obj = realm.create('LinkTypesObject', [[1], null, [[3]]]);
        });
        TestCase.assertEqual(realm.objects('TestObject').length, 2);

        TestCase.assertThrows(function() {
            obj.objectCol1 = obj.objectCol;
        }, 'can only set property values in a write transaction');

        // set/reuse object property
        realm.write(function() {
            obj.objectCol1 = obj.objectCol;
        });
        TestCase.assertEqual(obj.objectCol1.doubleCol, 1);
        //TestCase.assertEqual(obj.objectCol, obj.objectCol1);
        TestCase.assertEqual(realm.objects('TestObject').length, 2);

        realm.write(function() {
            obj.objectCol = null;
            obj.objectCol1 = null;
        });
        TestCase.assertEqual(obj.objectCol, null);
        TestCase.assertEqual(obj.objectCol1, null);

        // set object as JSON
        realm.write(function() {
            obj.objectCol = { doubleCol: 1 };
        });
        TestCase.assertEqual(obj.objectCol.doubleCol, 1);
        TestCase.assertEqual(realm.objects('TestObject').length, 3);

        // set array property
        realm.write(function() {
            obj.arrayCol = [obj.arrayCol[0], obj.objectCol, realm.create('TestObject', [2])];
        });
        TestCase.assertEqual(obj.arrayCol.length, 3);
        TestCase.assertEqual(obj.arrayCol[0].doubleCol, 3);
        TestCase.assertEqual(obj.arrayCol[1].doubleCol, 1);
        TestCase.assertEqual(obj.arrayCol[2].doubleCol, 2);
    },
};