realm-js/tests/js/list-tests.js

667 lines
23 KiB
JavaScript

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2016 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 = {
testListConstructor: function() {
var realm = new Realm({schema: [schemas.PersonObject, schemas.PersonList]});
realm.write(function() {
var obj = realm.create('PersonList', {list: []});
TestCase.assertTrue(obj.list instanceof Realm.List);
TestCase.assertTrue(obj.list instanceof Realm.Collection);
});
TestCase.assertThrows(function() {
new Realm.List();
});
TestCase.assertEqual(typeof Realm.List, 'function');
TestCase.assertTrue(Realm.List instanceof Function);
},
testListLength: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}],
});
array = obj.arrayCol;
TestCase.assertEqual(array.length, 1);
obj.arrayCol = [];
TestCase.assertEqual(array.length, 0);
obj.arrayCol = [{doubleCol: 1}, {doubleCol: 2}];
TestCase.assertEqual(array.length, 2);
TestCase.assertThrows(function() {
array.length = 0;
}, 'cannot set length property on lists');
});
TestCase.assertEqual(array.length, 2);
},
testListSubscriptGetters: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}, {doubleCol: 4}],
});
array = obj.arrayCol;
});
TestCase.assertEqual(array[0].doubleCol, 3);
TestCase.assertEqual(array[1].doubleCol, 4);
TestCase.assertEqual(array[2], undefined);
TestCase.assertEqual(array[-1], undefined);
},
testListSubscriptSetters: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}, {doubleCol: 4}],
});
array = obj.arrayCol;
array[0] = {doubleCol: 5};
array[1] = {doubleCol: 6};
TestCase.assertEqual(array[0].doubleCol, 5);
TestCase.assertEqual(array[1].doubleCol, 6);
array[0] = obj.objectCol;
array[1] = obj.objectCol1;
TestCase.assertEqual(array[0].doubleCol, 1);
TestCase.assertEqual(array[1].doubleCol, 2);
TestCase.assertThrows(function() {
array[2] = {doubleCol: 1};
}, 'cannot set list item beyond its bounds');
TestCase.assertThrows(function() {
array[-1] = {doubleCol: 1};
}, 'cannot set list item with negative index');
});
TestCase.assertThrows(function() {
array[0] = {doubleCol: 1};
}, 'cannot set list item outside write transaction');
},
testListInvalidProperty: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}, {doubleCol: 4}],
});
array = obj.arrayCol;
});
TestCase.assertEqual(undefined, array.ablasdf);
},
testListEnumerate: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var obj;
realm.write(function() {
obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [],
});
});
var index;
for (index in obj.arrayCol) {
TestCase.assertTrue(false, "No objects should have been enumerated: " + index);
}
realm.write(function() {
obj.arrayCol = [{doubleCol: 0}, {doubleCol: 1}];
TestCase.assertEqual(obj.arrayCol.length, 2);
});
var count = 0;
var keys = Object.keys(obj.arrayCol);
for (index in obj.arrayCol) {
TestCase.assertEqual(count++, +index);
TestCase.assertEqual(keys[index], index);
}
TestCase.assertEqual(count, 2);
TestCase.assertEqual(keys.length, 2);
},
testListPush: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}],
});
array = obj.arrayCol;
TestCase.assertEqual(array.length, 1);
TestCase.assertEqual(array.push({doubleCol: 4}), 2);
TestCase.assertEqual(array.length, 2);
TestCase.assertEqual(array[1].doubleCol, 4);
TestCase.assertEqual(array.push(obj.objectCol, obj.objectCol1), 4);
TestCase.assertEqual(array.length, 4);
TestCase.assertEqual(array[2].doubleCol, 1);
TestCase.assertEqual(array[3].doubleCol, 2);
TestCase.assertThrows(function() {
array.push();
});
});
TestCase.assertEqual(array.length, 4);
TestCase.assertThrows(function() {
array.push([1]);
}, 'can only push in a write transaction');
},
testListPop: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}, {doubleCol: 4}],
});
array = obj.arrayCol;
TestCase.assertEqual(array.pop().doubleCol, 4);
TestCase.assertEqual(array.pop().doubleCol, 3);
TestCase.assertEqual(array.length, 0);
TestCase.assertEqual(array.pop(), undefined);
TestCase.assertThrows(function() {
array.pop(1);
});
});
TestCase.assertThrows(function() {
array.pop();
}, 'can only pop in a write transaction');
},
testListUnshift: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}],
});
array = obj.arrayCol;
TestCase.assertEqual(array.length, 1);
TestCase.assertEqual(array.unshift({doubleCol: 5}), 2);
TestCase.assertEqual(array.length, 2);
TestCase.assertEqual(array[0].doubleCol, 5);
TestCase.assertEqual(array.unshift(obj.objectCol, obj.objectCol1), 4);
TestCase.assertEqual(array.length, 4);
TestCase.assertEqual(array[0].doubleCol, 1);
TestCase.assertEqual(array[1].doubleCol, 2);
});
TestCase.assertEqual(array.length, 4);
TestCase.assertThrows(function() {
array.unshift({doubleCol: 1});
}, 'can only unshift in a write transaction');
},
testListShift: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}, {doubleCol: 4}],
});
array = obj.arrayCol;
TestCase.assertEqual(array.shift().doubleCol, 3);
TestCase.assertEqual(array.shift().doubleCol, 4);
TestCase.assertEqual(array.length, 0);
TestCase.assertEqual(array.shift(), undefined);
TestCase.assertThrows(function() {
array.shift(1);
});
});
TestCase.assertThrows(function() {
array.shift();
}, 'can only shift in a write transaction');
},
testListSplice: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}, {doubleCol: 4}],
});
array = obj.arrayCol;
var removed;
removed = array.splice(0, 0, obj.objectCol, obj.objectCol1);
TestCase.assertEqual(removed.length, 0);
TestCase.assertEqual(array.length, 4);
TestCase.assertEqual(array[0].doubleCol, 1);
TestCase.assertEqual(array[1].doubleCol, 2);
removed = array.splice(2, 2, {doubleCol: 5}, {doubleCol: 6});
TestCase.assertEqual(removed.length, 2);
TestCase.assertEqual(removed[0].doubleCol, 3);
TestCase.assertEqual(removed[1].doubleCol, 4);
TestCase.assertEqual(array.length, 4);
TestCase.assertEqual(array[2].doubleCol, 5);
TestCase.assertEqual(array[3].doubleCol, 6);
removed = array.splice(2, 2);
TestCase.assertEqual(removed.length, 2);
TestCase.assertEqual(removed[0].doubleCol, 5);
TestCase.assertEqual(removed[1].doubleCol, 6);
TestCase.assertEqual(array.length, 2);
TestCase.assertEqual(array[0].doubleCol, 1);
TestCase.assertEqual(array[1].doubleCol, 2);
removed = array.splice(-1, 1);
TestCase.assertEqual(removed.length, 1);
TestCase.assertEqual(removed[0].doubleCol, 2);
TestCase.assertEqual(array.length, 1);
TestCase.assertEqual(array[0].doubleCol, 1);
removed = array.splice(0, 2);
TestCase.assertEqual(removed.length, 1);
TestCase.assertEqual(removed[0].doubleCol, 1);
TestCase.assertEqual(array.length, 0);
removed = array.splice('0', '0', obj.objectCol);
TestCase.assertEqual(removed.length, 0);
TestCase.assertEqual(array.length, 1);
removed = array.splice(1);
TestCase.assertEqual(removed.length, 0);
TestCase.assertEqual(array.length, 1);
removed = array.splice(0);
TestCase.assertEqual(removed.length, 1);
TestCase.assertEqual(array.length, 0);
TestCase.assertThrows(function() {
array.splice('cat', 1);
});
TestCase.assertThrows(function() {
array.splice(0, 0, 0);
});
});
TestCase.assertThrows(function() {
array.splice(0, 0, {doubleCol: 1});
}, 'can only splice in a write transaction');
},
testListDeletions: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var object;
var array;
realm.write(function() {
object = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}, {doubleCol: 4}],
});
array = object.arrayCol;
});
try {
realm.write(function() {
realm.delete(array[0]);
TestCase.assertEqual(array.length, 1);
TestCase.assertEqual(array[0].doubleCol, 4);
// This should cancel the transaction and cause the list to be reset.
throw new Error('Transaction FAIL');
});
} catch (e) {}
TestCase.assertEqual(array.length, 2);
TestCase.assertEqual(array[0].doubleCol, 3);
realm.write(function() {
realm.delete(object);
});
TestCase.assertThrows(function() {
array[0];
});
},
testLiveUpdatingResults: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var objects = realm.objects('TestObject');
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', {
objectCol: {doubleCol: 1},
objectCol1: {doubleCol: 2},
arrayCol: [{doubleCol: 3}, {doubleCol: 4}],
});
array = obj.arrayCol;
});
TestCase.assertEqual(array.length, 2);
TestCase.assertEqual(objects.length, 4);
try {
realm.write(function() {
array.push({doubleCol: 5});
TestCase.assertEqual(objects.length, 5);
array.unshift({doubleCol: 2});
TestCase.assertEqual(objects.length, 6);
array.splice(0, 0, {doubleCol: 1});
TestCase.assertEqual(objects.length, 7);
array.push(objects[0], objects[1]);
TestCase.assertEqual(objects.length, 7);
// This should cancel the transaction and cause the list and results to be reset.
throw new Error('Transaction FAIL');
});
} catch (e) {}
TestCase.assertEqual(array.length, 2);
TestCase.assertEqual(objects.length, 4);
},
testListSnapshot: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var objects = realm.objects('TestObject');
var array;
realm.write(function() {
var obj = realm.create('LinkTypesObject', [[1], [2], [[3], [4]]]);
array = obj.arrayCol;
});
var objectsCopy = objects.snapshot();
var arrayCopy = array.snapshot();
TestCase.assertEqual(objectsCopy.length, 4);
TestCase.assertEqual(arrayCopy.length, 2);
realm.write(function() {
array.push([5]);
TestCase.assertEqual(objectsCopy.length, 4);
TestCase.assertEqual(arrayCopy.length, 2);
TestCase.assertEqual(objectsCopy.snapshot().length, 4);
TestCase.assertEqual(arrayCopy.snapshot().length, 2);
TestCase.assertEqual(objects.snapshot().length, 5);
TestCase.assertEqual(array.snapshot().length, 3);
realm.delete(array[0]);
TestCase.assertEqual(objectsCopy.length, 4);
TestCase.assertEqual(arrayCopy.length, 2);
TestCase.assertEqual(arrayCopy[0], null);
realm.deleteAll();
TestCase.assertEqual(objectsCopy.length, 4);
TestCase.assertEqual(arrayCopy.length, 2);
TestCase.assertEqual(arrayCopy[1], null);
});
},
testListFiltered: function() {
var realm = new Realm({schema: [schemas.PersonObject, schemas.PersonList]});
var list;
realm.write(function() {
var object = realm.create('PersonList', {list: [
{name: 'Ari', age: 10},
{name: 'Tim', age: 11},
{name: 'Bjarne', age: 12},
{name: 'Alex', age: 12, married: true}
]});
realm.create('PersonObject', {name: 'NotInList', age: 10});
list = object.list;
});
TestCase.assertEqual(list.filtered("truepredicate").length, 4);
TestCase.assertEqual(list.filtered('age = 11')[0].name, 'Tim');
TestCase.assertEqual(list.filtered('age = 12').length, 2);
TestCase.assertEqual(list.filtered('age > 10 && age < 13').length, 3);
TestCase.assertEqual(list.filtered('age > 10').filtered('age < 13').length, 3);
},
testListSorted: function() {
const schema = [
{name: 'Target', properties: {value: 'int'}},
{name: 'Mid', properties: {value: 'int', link: 'Target'}},
{name: 'List', properties: {list: {type: 'list', objectType: 'Mid'}}},
];
const realm = new Realm({schema: schema});
let list;
realm.write(() => {
list = realm.create('List', {list: [
{value: 3, link: {value: 1}},
{value: 1, link: {value: 3}},
{value: 2, link: {value: 2}},
]}).list;
realm.create('List', {list: [
{value: 4, link: {value: 4}},
]});
});
const values = (results) => results.map((o) => o.value);
TestCase.assertThrows(() => list.sorted());
TestCase.assertThrows(() => list.sorted('nonexistent property'));
TestCase.assertThrows(() => list.sorted('link'));
TestCase.assertArraysEqual(values(list.sorted([])), [3, 1, 2]);
TestCase.assertArraysEqual(values(list.sorted('value')), [1, 2, 3]);
TestCase.assertArraysEqual(values(list.sorted('value', false)), [1, 2, 3]);
TestCase.assertArraysEqual(values(list.sorted('value', true)), [3, 2, 1]);
TestCase.assertArraysEqual(values(list.sorted(['value'])), [1, 2, 3]);
TestCase.assertArraysEqual(values(list.sorted([['value', false]])), [1, 2, 3]);
TestCase.assertArraysEqual(values(list.sorted([['value', true]])), [3, 2, 1]);
TestCase.assertArraysEqual(values(list.sorted('link.value')), [3, 2, 1]);
TestCase.assertArraysEqual(values(list.sorted('link.value', false)), [3, 2, 1]);
TestCase.assertArraysEqual(values(list.sorted('link.value', true)), [1, 2, 3]);
TestCase.assertArraysEqual(values(list.sorted(['link.value'])), [3, 2, 1]);
TestCase.assertArraysEqual(values(list.sorted([['link.value', false]])), [3, 2, 1]);
TestCase.assertArraysEqual(values(list.sorted([['link.value', true]])), [1, 2, 3]);
},
testArrayMethods: function() {
var realm = new Realm({schema: [schemas.PersonObject, schemas.PersonList]});
var object;
realm.write(function() {
object = realm.create('PersonList', {list: [
{name: 'Ari', age: 10},
{name: 'Tim', age: 11},
{name: 'Bjarne', age: 12},
]});
});
[
object.list,
realm.objects('PersonObject'),
].forEach(function(list) {
TestCase.assertEqual(list.slice().length, 3);
TestCase.assertEqual(list.slice(-1).length, 1);
TestCase.assertEqual(list.slice(-1)[0].age, 12);
TestCase.assertEqual(list.slice(1, 3).length, 2);
TestCase.assertEqual(list.slice(1, 3)[1].age, 12);
// A Node 6 regression in v8 causes an error when converting our objects to strings:
// TypeError: Cannot convert a Symbol value to a string
if (!TestCase.isNode6()) {
TestCase.assertEqual(list.join(' '), 'Ari Tim Bjarne');
}
var count = 0;
list.forEach(function(p, i) {
TestCase.assertEqual(p.name, list[i].name);
count++;
});
TestCase.assertEqual(count, list.length);
TestCase.assertArraysEqual(list.map(function(p) {return p.age}), [10, 11, 12]);
TestCase.assertTrue(list.some(function(p) {return p.age > 10}));
TestCase.assertTrue(list.every(function(p) {return p.age > 0}));
var person = list.find(function(p) {return p.name == 'Tim'});
TestCase.assertEqual(person.name, 'Tim');
var index = list.findIndex(function(p) {return p.name == 'Tim'});
TestCase.assertEqual(index, 1);
TestCase.assertEqual(list.indexOf(list[index]), index);
TestCase.assertEqual(list.reduce(function(n, p) {return n + p.age}, 0), 33);
TestCase.assertEqual(list.reduceRight(function(n, p) {return n + p.age}, 0), 33);
// eslint-disable-next-line no-undef
var iteratorMethodNames = ['entries', 'keys', 'values'];
iteratorMethodNames.push(Symbol.iterator);
iteratorMethodNames.forEach(function(methodName) {
var iterator = list[methodName]();
var count = 0;
var result;
// This iterator should itself be iterable.
// TestCase.assertEqual(iterator[iteratorSymbol](), iterator);
TestCase.assertEqual(iterator[Symbol.iterator](), iterator);
while ((result = iterator.next()) && !result.done) {
var value = result.value;
switch (methodName) {
case 'entries':
TestCase.assertEqual(value.length, 2);
TestCase.assertEqual(value[0], count);
TestCase.assertEqual(value[1].name, list[count].name);
break;
case 'keys':
TestCase.assertEqual(value, count);
break;
default:
TestCase.assertEqual(value.name, list[count].name);
break;
}
count++;
}
TestCase.assertEqual(result.done, true);
TestCase.assertEqual(result.value, undefined);
TestCase.assertEqual(count, list.length);
});
});
},
testIsValid: function() {
var realm = new Realm({schema: [schemas.PersonObject, schemas.PersonList]});
var object;
var list;
realm.write(function() {
object = realm.create('PersonList', {list: [
{name: 'Ari', age: 10},
{name: 'Tim', age: 11},
{name: 'Bjarne', age: 12},
]});
list = object.list;
TestCase.assertEqual(list.isValid(), true);
realm.delete(object);
});
TestCase.assertEqual(list.isValid(), false);
TestCase.assertThrows(function() {
list.length;
});
},
};