Add LiveQuery
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wangmengyan95
384
spec/QueryTools.spec.js
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384
spec/QueryTools.spec.js
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var Parse = require('parse/node');
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var Id = require('../src/LiveQuery/Id');
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var QueryTools = require('../src/LiveQuery/QueryTools');
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var queryHash = QueryTools.queryHash;
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var matchesQuery = QueryTools.matchesQuery;
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var Item = Parse.Object.extend('Item');
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describe('queryHash', function() {
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it('should always hash a query to the same string', function() {
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var q = new Parse.Query(Item);
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q.equalTo('field', 'value');
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q.exists('name');
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q.ascending('createdAt');
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q.limit(10);
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var firstHash = queryHash(q);
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var secondHash = queryHash(q);
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expect(firstHash).toBe(secondHash);
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});
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it('should return equivalent hashes for equivalent queries', function() {
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var q1 = new Parse.Query(Item);
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q1.equalTo('field', 'value');
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q1.exists('name');
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q1.lessThan('age', 30);
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q1.greaterThan('age', 3);
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q1.ascending('createdAt');
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q1.include(['name', 'age']);
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q1.limit(10);
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var q2 = new Parse.Query(Item);
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q2.limit(10);
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q2.greaterThan('age', 3);
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q2.lessThan('age', 30);
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q2.include(['name', 'age']);
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q2.ascending('createdAt');
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q2.exists('name');
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q2.equalTo('field', 'value');
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var firstHash = queryHash(q1);
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var secondHash = queryHash(q2);
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expect(firstHash).toBe(secondHash);
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q1.containedIn('fruit', ['apple', 'banana', 'cherry']);
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firstHash = queryHash(q1);
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expect(firstHash).not.toBe(secondHash);
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q2.containedIn('fruit', ['banana', 'cherry', 'apple']);
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secondHash = queryHash(q2);
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expect(secondHash).toBe(firstHash);
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q1.containedIn('fruit', ['coconut']);
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firstHash = queryHash(q1);
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expect(firstHash).not.toBe(secondHash);
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q1 = new Parse.Query(Item);
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q1.equalTo('field', 'value');
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q1.lessThan('age', 30);
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q1.exists('name');
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q2 = new Parse.Query(Item);
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q2.equalTo('name', 'person');
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q2.equalTo('field', 'other');
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firstHash = queryHash(Parse.Query.or(q1, q2));
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secondHash = queryHash(Parse.Query.or(q2, q1));
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expect(firstHash).toBe(secondHash);
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});
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it('should not let fields of different types appear similar', function() {
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var q1 = new Parse.Query(Item);
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q1.lessThan('age', 30);
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var q2 = new Parse.Query(Item);
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q2.equalTo('age', '{$lt:30}');
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expect(queryHash(q1)).not.toBe(queryHash(q2));
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q1 = new Parse.Query(Item);
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q1.equalTo('age', 15);
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q2.equalTo('age', '15');
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expect(queryHash(q1)).not.toBe(queryHash(q2));
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});
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});
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describe('matchesQuery', function() {
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it('matches blanket queries', function() {
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var obj = {
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id: new Id('Klass', 'O1'),
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value: 12
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};
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var q = new Parse.Query('Klass');
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expect(matchesQuery(obj, q)).toBe(true);
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obj.id = new Id('Other', 'O1');
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expect(matchesQuery(obj, q)).toBe(false);
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});
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it('matches existence queries', function() {
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var obj = {
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id: new Id('Item', 'O1'),
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count: 15
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};
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var q = new Parse.Query('Item');
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q.exists('count');
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expect(matchesQuery(obj, q)).toBe(true);
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q.exists('name');
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expect(matchesQuery(obj, q)).toBe(false);
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});
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it('matches on equality queries', function() {
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var day = new Date();
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var location = new Parse.GeoPoint({
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latitude: 37.484815,
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longitude: -122.148377
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});
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var obj = {
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id: new Id('Person', 'O1'),
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score: 12,
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name: 'Bill',
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birthday: day,
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lastLocation: location
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};
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var q = new Parse.Query('Person');
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q.equalTo('score', 12);
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expect(matchesQuery(obj, q)).toBe(true);
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q = new Parse.Query('Person');
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q.equalTo('name', 'Bill');
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expect(matchesQuery(obj, q)).toBe(true);
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q.equalTo('name', 'Jeff');
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expect(matchesQuery(obj, q)).toBe(false);
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q = new Parse.Query('Person');
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q.containedIn('name', ['Adam', 'Ben', 'Charles']);
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expect(matchesQuery(obj, q)).toBe(false);
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q.containedIn('name', ['Adam', 'Bill', 'Charles']);
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expect(matchesQuery(obj, q)).toBe(true);
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q = new Parse.Query('Person');
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q.notContainedIn('name', ['Adam', 'Bill', 'Charles']);
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expect(matchesQuery(obj, q)).toBe(false);
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q.notContainedIn('name', ['Adam', 'Ben', 'Charles']);
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expect(matchesQuery(obj, q)).toBe(true);
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q = new Parse.Query('Person');
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q.equalTo('birthday', day);
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expect(matchesQuery(obj, q)).toBe(true);
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q.equalTo('birthday', new Date());
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expect(matchesQuery(obj, q)).toBe(false);
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q = new Parse.Query('Person');
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q.equalTo('lastLocation', new Parse.GeoPoint({
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latitude: 37.484815,
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longitude: -122.148377
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}));
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expect(matchesQuery(obj, q)).toBe(true);
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q.equalTo('lastLocation', new Parse.GeoPoint({
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latitude: 37.4848,
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longitude: -122.1483
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}));
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expect(matchesQuery(obj, q)).toBe(false);
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q.equalTo('lastLocation', new Parse.GeoPoint({
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latitude: 37.484815,
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longitude: -122.148377
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}));
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q.equalTo('score', 12);
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q.equalTo('name', 'Bill');
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q.equalTo('birthday', day);
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expect(matchesQuery(obj, q)).toBe(true);
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q.equalTo('name', 'bill');
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expect(matchesQuery(obj, q)).toBe(false);
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var img = {
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id: new Id('Image', 'I1'),
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tags: ['nofilter', 'latergram', 'tbt']
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};
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q = new Parse.Query('Image');
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q.equalTo('tags', 'selfie');
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expect(matchesQuery(img, q)).toBe(false);
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q.equalTo('tags', 'tbt');
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expect(matchesQuery(img, q)).toBe(true);
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var q2 = new Parse.Query('Image');
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q2.containsAll('tags', ['latergram', 'nofilter']);
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expect(matchesQuery(img, q2)).toBe(true);
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q2.containsAll('tags', ['latergram', 'selfie']);
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expect(matchesQuery(img, q2)).toBe(false);
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var u = new Parse.User();
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u.id = 'U2';
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q = new Parse.Query('Image');
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q.equalTo('owner', u);
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img = {
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className: 'Image',
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objectId: 'I1',
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owner: {
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className: '_User',
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objectId: 'U2'
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}
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};
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expect(matchesQuery(img, q)).toBe(true);
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img.owner.objectId = 'U3';
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expect(matchesQuery(img, q)).toBe(false);
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});
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it('matches on inequalities', function() {
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var player = {
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id: new Id('Person', 'O1'),
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score: 12,
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name: 'Bill',
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birthday: new Date(1980, 2, 4),
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};
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var q = new Parse.Query('Person');
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q.lessThan('score', 15);
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expect(matchesQuery(player, q)).toBe(true);
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q.lessThan('score', 10);
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expect(matchesQuery(player, q)).toBe(false);
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q = new Parse.Query('Person');
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q.lessThanOrEqualTo('score', 15);
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expect(matchesQuery(player, q)).toBe(true);
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q.lessThanOrEqualTo('score', 12);
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expect(matchesQuery(player, q)).toBe(true);
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q.lessThanOrEqualTo('score', 10);
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expect(matchesQuery(player, q)).toBe(false);
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q = new Parse.Query('Person');
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q.greaterThan('score', 15);
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expect(matchesQuery(player, q)).toBe(false);
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q.greaterThan('score', 10);
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expect(matchesQuery(player, q)).toBe(true);
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q = new Parse.Query('Person');
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q.greaterThanOrEqualTo('score', 15);
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expect(matchesQuery(player, q)).toBe(false);
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q.greaterThanOrEqualTo('score', 12);
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expect(matchesQuery(player, q)).toBe(true);
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q.greaterThanOrEqualTo('score', 10);
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expect(matchesQuery(player, q)).toBe(true);
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q = new Parse.Query('Person');
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q.notEqualTo('score', 12);
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expect(matchesQuery(player, q)).toBe(false);
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q.notEqualTo('score', 40);
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expect(matchesQuery(player, q)).toBe(true);
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});
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it('matches an $or query', function() {
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var player = {
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id: new Id('Player', 'P1'),
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name: 'Player 1',
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score: 12
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};
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var q = new Parse.Query('Player');
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q.equalTo('name', 'Player 1');
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var q2 = new Parse.Query('Player');
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q2.equalTo('name', 'Player 2');
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var orQuery = Parse.Query.or(q, q2);
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expect(matchesQuery(player, q)).toBe(true);
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expect(matchesQuery(player, q2)).toBe(false);
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expect(matchesQuery(player, orQuery)).toBe(true);
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});
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it('matches $regex queries', function() {
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var player = {
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id: new Id('Player', 'P1'),
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name: 'Player 1',
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score: 12
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};
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var q = new Parse.Query('Player');
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q.startsWith('name', 'Play');
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expect(matchesQuery(player, q)).toBe(true);
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q.startsWith('name', 'Ploy');
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expect(matchesQuery(player, q)).toBe(false);
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q = new Parse.Query('Player');
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q.endsWith('name', ' 1');
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expect(matchesQuery(player, q)).toBe(true);
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q.endsWith('name', ' 2');
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expect(matchesQuery(player, q)).toBe(false);
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// Check that special characters are escaped
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player.name = 'Android-7';
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q = new Parse.Query('Player');
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q.contains('name', 'd-7');
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expect(matchesQuery(player, q)).toBe(true);
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q = new Parse.Query('Player');
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q.matches('name', /A.d/);
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expect(matchesQuery(player, q)).toBe(true);
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q.matches('name', /A[^n]d/);
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expect(matchesQuery(player, q)).toBe(false);
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// Check that the string \\E is returned to normal
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player.name = 'Slash \\E';
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q = new Parse.Query('Player');
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q.endsWith('name', 'h \\E');
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expect(matchesQuery(player, q)).toBe(true);
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q.endsWith('name', 'h \\Ee');
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expect(matchesQuery(player, q)).toBe(false);
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player.name = 'Slash \\Q and more';
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q = new Parse.Query('Player');
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q.contains('name', 'h \\Q and');
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expect(matchesQuery(player, q)).toBe(true);
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q.contains('name', 'h \\Q or');
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expect(matchesQuery(player, q)).toBe(false);
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});
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it('matches $nearSphere queries', function() {
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var q = new Parse.Query('Checkin');
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q.near('location', new Parse.GeoPoint(20, 20));
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// With no max distance, any GeoPoint is 'near'
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var pt = {
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id: new Id('Checkin', 'C1'),
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location: new Parse.GeoPoint(40, 40)
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};
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expect(matchesQuery(pt, q)).toBe(true);
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q = new Parse.Query('Checkin');
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pt.location = new Parse.GeoPoint(40, 40);
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q.withinRadians('location', new Parse.GeoPoint(30, 30), 0.3);
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expect(matchesQuery(pt, q)).toBe(true);
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q.withinRadians('location', new Parse.GeoPoint(30, 30), 0.2);
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expect(matchesQuery(pt, q)).toBe(false);
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});
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it('matches $within queries', function() {
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var caltrainStation = {
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id: new Id('Checkin', 'C1'),
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location: new Parse.GeoPoint(37.776346, -122.394218),
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name: 'Caltrain'
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};
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var santaClara = {
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id: new Id('Checkin', 'C2'),
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location: new Parse.GeoPoint(37.325635, -121.945753),
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name: 'Santa Clara'
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};
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var q = new Parse.Query('Checkin').withinGeoBox(
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'location',
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new Parse.GeoPoint(37.708813, -122.526398),
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new Parse.GeoPoint(37.822802, -122.373962)
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);
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expect(matchesQuery(caltrainStation, q)).toBe(true);
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expect(matchesQuery(santaClara, q)).toBe(false);
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// Invalid rectangles
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q = new Parse.Query('Checkin').withinGeoBox(
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'location',
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new Parse.GeoPoint(37.822802, -122.373962),
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new Parse.GeoPoint(37.708813, -122.526398)
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);
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expect(matchesQuery(caltrainStation, q)).toBe(false);
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expect(matchesQuery(santaClara, q)).toBe(false);
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q = new Parse.Query('Checkin').withinGeoBox(
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'location',
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new Parse.GeoPoint(37.708813, -122.373962),
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new Parse.GeoPoint(37.822802, -122.526398)
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);
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expect(matchesQuery(caltrainStation, q)).toBe(false);
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expect(matchesQuery(santaClara, q)).toBe(false);
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});
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});
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