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

630 lines
24 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 = {
testResultsConstructor: function() {
var realm = new Realm({schema: [schemas.TestObject]});
var objects = realm.objects('TestObject');
TestCase.assertTrue(objects instanceof Realm.Results);
TestCase.assertTrue(objects instanceof Realm.Collection);
TestCase.assertThrows(function() {
new Realm.Results();
});
TestCase.assertEqual(typeof Realm.Results, 'function');
TestCase.assertTrue(Realm.Results instanceof Function);
},
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]});
TestCase.assertEqual(realm.objects('PersonObject')[0], undefined);
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() {
realm.objects('NotTestObject');
});
},
testResultsEnumerate: function() {
var realm = new Realm({schema: [schemas.TestObject]});
var objects = realm.objects('TestObject');
var index;
for (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 (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)
});
TestCase.assertThrows(function() {
realm.objects('PersonObject').filtered("invalidQuery");
});
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);
},
testResultsFilteredByForeignObject: function() {
var realm = new Realm({schema: [schemas.LinkTypes, schemas.TestObject]});
var realm2 = new Realm({path: '2.realm', schema: realm.schema});
var object;
realm2.write(function() {
object = realm2.create('TestObject', {doubleCol: 1});
});
TestCase.assertThrows(function() {
realm.objects('LinkTypesObject').filtered('objectCol = $0', object);
});
},
testResultsSorted: function() {
var realm = new Realm({schema: [schemas.IntPrimary]});
var objects = realm.objects('IntPrimaryObject');
realm.write(function() {
realm.create('IntPrimaryObject', {primaryCol: 2, valueCol: 'a'});
realm.create('IntPrimaryObject', {primaryCol: 3, valueCol: 'a'});
realm.create('IntPrimaryObject', {primaryCol: 1, valueCol: 'b'});
realm.create('IntPrimaryObject', {primaryCol: 4, valueCol: 'c'});
realm.create('IntPrimaryObject', {primaryCol: 0, valueCol: 'c'});
});
var primaries = function(results) {
return results.map(function(object) {
return object.primaryCol;
});
};
objects = objects.sorted([]);
TestCase.assertArraysEqual(primaries(objects), [2, 3, 1, 4, 0]);
objects = objects.sorted('primaryCol');
TestCase.assertArraysEqual(primaries(objects), [0, 1, 2, 3, 4]);
objects = objects.sorted('primaryCol', true);
TestCase.assertArraysEqual(primaries(objects), [4, 3, 2, 1, 0]);
objects = objects.sorted(['primaryCol', 'valueCol']);
TestCase.assertArraysEqual(primaries(objects), [0, 1, 2, 3, 4]);
objects = objects.sorted([['primaryCol', true], ['valueCol', true]]);
TestCase.assertArraysEqual(primaries(objects), [4, 3, 2, 1, 0]);
objects = objects.sorted([['primaryCol', false], 'valueCol']);
TestCase.assertArraysEqual(primaries(objects), [0, 1, 2, 3, 4]);
objects = objects.sorted(['valueCol', 'primaryCol']);
TestCase.assertArraysEqual(primaries(objects), [2, 3, 1, 0, 4]);
objects = objects.sorted([['valueCol', false], ['primaryCol', true]]);
TestCase.assertArraysEqual(primaries(objects), [3, 2, 1, 4, 0]);
objects = objects.sorted([['valueCol', true], ['primaryCol', false]]);
TestCase.assertArraysEqual(primaries(objects), [0, 4, 1, 2, 3]);
objects = objects.sorted([['valueCol', true], ['primaryCol', true]]);
TestCase.assertArraysEqual(primaries(objects), [4, 0, 1, 3, 2]);
TestCase.assertThrows(function() {
objects.sorted();
});
TestCase.assertThrows(function() {
objects.sorted(1);
});
TestCase.assertThrows(function() {
objects.sorted([1]);
});
TestCase.assertThrows(function() {
objects.sorted('fish');
});
TestCase.assertThrows(function() {
objects.sorted(['valueCol', 'fish']);
});
TestCase.assertThrows(function() {
objects.sorted(['valueCol', 'primaryCol'], true);
});
},
testResultsSortedAllTypes: function() {
var realm = new Realm({schema: [schemas.BasicTypes]});
var objects = realm.objects('BasicTypesObject');
realm.write(function() {
realm.create('BasicTypesObject', [false, 0, 0, 0, '0', new Date(0), new ArrayBuffer()]);
realm.create('BasicTypesObject', [true, 2, 2, 2, '2', new Date(2), new ArrayBuffer()]);
realm.create('BasicTypesObject', [false, 1, 1, 1, '1', new Date(1), new ArrayBuffer()]);
});
var numberProps = ['intCol', 'floatCol', 'doubleCol', 'stringCol'];
for (var i = 0; i < numberProps.length; i++) {
var prop = numberProps[i];
objects = objects.sorted(prop, false);
TestCase.assertEqual('' + objects[0][prop], '0', 'first element ascending for ' + prop);
TestCase.assertEqual('' + objects[2][prop], '2', 'second element ascending for ' + prop);
objects = objects.sorted(prop, true);
TestCase.assertEqual('' + objects[0][prop], '2', 'first element descending for ' + prop);
TestCase.assertEqual('' + objects[2][prop], '0', 'second element descending for ' + prop);
}
objects = objects.sorted('dateCol', false);
TestCase.assertEqual(objects[0].dateCol.getTime(), 0);
TestCase.assertEqual(objects[2].dateCol.getTime(), 2);
objects = objects.sorted('dateCol', true);
TestCase.assertEqual(objects[0].dateCol.getTime(), 2);
TestCase.assertEqual(objects[2].dateCol.getTime(), 0);
objects = objects.sorted('boolCol', false);
TestCase.assertEqual(objects[0].boolCol, false, 'first element ascending for boolCol');
TestCase.assertEqual(objects[0].boolCol, false, 'second element ascending for boolCol');
TestCase.assertEqual(objects[2].boolCol, true, 'third element ascending for boolCol');
objects = objects.sorted('boolCol', true);
TestCase.assertEqual(objects[0].boolCol, true, 'first element descending for boolCol');
TestCase.assertEqual(objects[1].boolCol, false, 'second element descending for boolCol');
TestCase.assertEqual(objects[2].boolCol, false, 'third element descending for boolCol');
},
testResultsInvalidation: function() {
let realm = new Realm({schema: [schemas.TestObject]});
realm.write(function() {
for (var i = 10; i > 0; i--) {
realm.create('TestObject', [i]);
}
});
var resultsVariants = [
realm.objects('TestObject'),
realm.objects('TestObject').filtered('doubleCol > 1'),
realm.objects('TestObject').filtered('doubleCol > 1').sorted('doubleCol'),
realm.objects('TestObject').filtered('doubleCol > 1').snapshot()
];
// test isValid
resultsVariants.forEach(function(objects) {
TestCase.assertEqual(objects.isValid(), true);
});
// close and test invalidated accessors
realm.close();
realm = new Realm({
schemaVersion: 1,
schema: [schemas.TestObject, schemas.DateObject]
});
resultsVariants.forEach(function(objects) {
TestCase.assertEqual(objects.isValid(), false);
TestCase.assertThrows(function() { objects[0]; });
TestCase.assertThrows(function() { objects.filtered('doubleCol < 42'); });
TestCase.assertThrows(function() { objects.sorted('doubleCol', true); });
TestCase.assertThrows(function() { objects.snapshot(); });
});
},
testResultsDeletedObjects: function() {
var realm = new Realm({schema: [schemas.TestObject]});
var createTestObjects = function(n) {
for (var i = 0; i < n; i++) {
realm.create('TestObject', {doubleCol: i});
}
return realm.objects('TestObject');
}
realm.write(function() {
var objects = createTestObjects(10);
var snapshot = objects.snapshot();
realm.deleteAll();
TestCase.assertEqual(objects.length, 0);
TestCase.assertEqual(snapshot.length, 10);
TestCase.assertEqual(snapshot[0], null);
});
realm.write(function() {
var objects = createTestObjects(10);
realm.deleteAll();
var snapshot = objects.snapshot();
TestCase.assertEqual(objects.length, 0);
TestCase.assertEqual(snapshot.length, 0);
});
realm.write(function() {
var objects = createTestObjects(10);
var snapshot = objects.snapshot();
realm.delete(snapshot);
TestCase.assertEqual(objects.length, 0);
TestCase.assertEqual(snapshot.length, 10);
TestCase.assertEqual(snapshot[0], null);
});
realm.write(function() {
var objects = createTestObjects(10);
realm.delete(objects);
var snapshot = objects.snapshot();
TestCase.assertEqual(objects.length, 0);
TestCase.assertEqual(snapshot.length, 0);
});
},
testResultsFindIndexOfObject: function() {
var realm = new Realm({schema: [schemas.TestObject]});
var object1, object2, object3;
realm.write(function() {
object1 = realm.create('TestObject', {doubleCol: 1});
object2 = realm.create('TestObject', {doubleCol: 2});
object3 = realm.create('TestObject', {doubleCol: 2});
});
// Search in base table
const objects = realm.objects('TestObject');
TestCase.assertEqual(objects.indexOf(object1), 0);
TestCase.assertEqual(objects.indexOf(object2), 1);
TestCase.assertEqual(objects.indexOf(object3), 2);
// Search in filtered query
const results = objects.filtered("doubleCol == 2");
TestCase.assertEqual(results.indexOf(object1), -1);
TestCase.assertEqual(results.indexOf(object2), 0);
TestCase.assertEqual(results.indexOf(object3), 1);
const nonRealmObject = {test: "this is an object"};
TestCase.assertEqual(objects.indexOf(nonRealmObject), -1);
// Searching for object from the wrong realm
var realm2 = new Realm({path: '2.realm', schema: realm.schema});
var object4;
realm2.write(function() {
object4 = realm2.create('TestObject', {doubleCol: 1});
});
TestCase.assertThrows(function() {
objects.indexOf(object4);
});
},
testAddListener: function() {
if (typeof navigator !== 'undefined' && /Chrome/.test(navigator.userAgent)) { // eslint-disable-line no-undef
// FIXME: async callbacks do not work correctly in Chrome debugging mode
return;
}
const realm = new Realm({ schema: [schemas.TestObject] });
realm.write(() => {
realm.create('TestObject', { doubleCol: 1 });
realm.create('TestObject', { doubleCol: 2 });
realm.create('TestObject', { doubleCol: 3 });
});
let resolve, first = true;
return new Promise((r, _reject) => {
resolve = r;
realm.objects('TestObject').addListener((testObjects, changes) => {
if (first) {
TestCase.assertEqual(testObjects.length, 3);
TestCase.assertEqual(changes.insertions.length, 0);
}
else {
TestCase.assertEqual(testObjects.length, 4);
TestCase.assertEqual(changes.insertions.length, 1);
}
first = false;
resolve();
});
}).then(() => {
return new Promise((r, _reject) => {
realm.write(() => {
realm.create('TestObject', { doubleCol: 1 });
});
resolve = r;
});
})
},
testResultsAggregateFunctions: function() {
var realm = new Realm({ schema: [schemas.NullableBasicTypes] });
const N = 50;
realm.write(() => {
for(var i = 0; i < N; i++) {
realm.create('NullableBasicTypesObject', {
intCol: i+1,
floatCol: i+1,
doubleCol: i+1,
dateCol: new Date(i+1)
});
}
});
var results = realm.objects('NullableBasicTypesObject');
TestCase.assertEqual(results.length, N);
// int, float & double columns support all aggregate functions
['intCol', 'floatCol', 'doubleCol'].forEach(colName => {
TestCase.assertEqual(results.min(colName), 1);
TestCase.assertEqual(results.max(colName), N);
TestCase.assertEqual(results.sum(colName), N*(N+1)/2);
TestCase.assertEqual(results.avg(colName), (N+1)/2);
});
// date columns support only 'min' & 'max'
TestCase.assertEqual(results.min('dateCol').getTime(), new Date(1).getTime());
TestCase.assertEqual(results.max('dateCol').getTime(), new Date(N).getTime());
},
testResultsAggregateFunctionsWithNullColumnValues: function() {
var realm = new Realm({ schema: [schemas.NullableBasicTypes] });
const N = 50;
const M = 10;
realm.write(() => {
for(var i = 0; i < N; i++) {
realm.create('NullableBasicTypesObject', {
intCol: i+1,
floatCol: i+1,
doubleCol: i+1,
dateCol: new Date(i+1)
});
}
// add some null valued data, which should be ignored by the aggregate functions
for(var j = 0; j < M; j++) {
realm.create('NullableBasicTypesObject', {
intCol: null,
floatCol: null,
doubleCol: null,
dateCol: null
});
}
});
var results = realm.objects('NullableBasicTypesObject');
TestCase.assertEqual(results.length, N + M);
// int, float & double columns support all aggregate functions
// the M null valued objects should be ignored
['intCol', 'floatCol', 'doubleCol'].forEach(colName => {
TestCase.assertEqual(results.min(colName), 1);
TestCase.assertEqual(results.max(colName), N);
TestCase.assertEqual(results.sum(colName), N*(N+1)/2);
TestCase.assertEqual(results.avg(colName), (N+1)/2);
});
// date columns support only 'min' & 'max'
TestCase.assertEqual(results.min('dateCol').getTime(), new Date(1).getTime());
TestCase.assertEqual(results.max('dateCol').getTime(), new Date(N).getTime());
// call aggregate functions on empty results
var emptyResults = realm.objects('NullableBasicTypesObject').filtered('intCol < 0');
TestCase.assertEqual(emptyResults.length, 0);
['intCol', 'floatCol', 'doubleCol'].forEach(colName => {
TestCase.assertUndefined(emptyResults.min(colName));
TestCase.assertUndefined(emptyResults.max(colName));
TestCase.assertEqual(emptyResults.sum(colName), 0);
TestCase.assertUndefined(emptyResults.avg(colName));
});
TestCase.assertUndefined(emptyResults.min('dateCol'));
TestCase.assertUndefined(emptyResults.max('dateCol'));
},
testResultsAggregateFunctionsUnsupported: function() {
var realm = new Realm({ schema: [schemas.NullableBasicTypes] });
realm.write(() => {
realm.create('NullableBasicTypesObject', {
boolCol: true,
stringCol: "hello",
dataCol: new ArrayBuffer(12),
});
});
var results = realm.objects('NullableBasicTypesObject');
// bool, string & data columns don't support 'min'
['boolCol', 'stringCol', 'dataCol'].forEach(colName => {
TestCase.assertThrows(function() {
results.min(colName);
}
)});
// bool, string & data columns don't support 'max'
['boolCol', 'stringCol', 'dataCol'].forEach(colName => {
TestCase.assertThrows(function() {
results.max(colName);
}
)});
// bool, string, date & data columns don't support 'avg'
['boolCol', 'stringCol', 'dateCol', 'dataCol'].forEach(colName => {
TestCase.assertThrows(function() {
results.avg(colName);
}
)});
// bool, string, date & data columns don't support 'sum'
['boolCol', 'stringCol', 'dateCol', 'dataCol'].forEach(colName => {
TestCase.assertThrows(function() {
results.sum(colName);
}
)});
},
testResultsAggregateFunctionsWrongProperty: function() {
var realm = new Realm({ schema: [ schemas.TestObject ]});
realm.write(() => {
realm.create('TestObject', { doubleCol: 42 });
});
var results = realm.objects('TestObject');
TestCase.assertThrows(function() {
results.min('foo')
});
TestCase.assertThrows(function() {
results.max('foo')
});
TestCase.assertThrows(function() {
results.sum('foo')
});
TestCase.assertThrows(function() {
results.avg('foo')
});
},
testIterator: function() {
var realm = new Realm({ schema: [ schemas.TestObject ]});
realm.write(() => {
realm.create('TestObject', { doubleCol: 2 });
realm.create('TestObject', { doubleCol: 3 });
});
var results = realm.objects('TestObject').filtered('doubleCol >= 2');
TestCase.assertEqual(results.length, 2);
var calls = 0;
for(let obj of results) {
realm.write(() => {
obj.doubleCol = 1;
});
calls++;
}
TestCase.assertEqual(results.length, 0);
TestCase.assertEqual(calls, 2);
},
};