Files
kami-parse-server/spec/DatabaseController.spec.js
Jack Wearden 7b9ebc4e8e Avoid multiple $nears in one query (#3798)
Mongo has a hard limit on 1 $near operation per query. Restructuring to
avoid SERVER-13732 should not invalidate a query by creating multiple
$near operations.

Additionally, queries with multiple $ors are now recursively handled,
whereas before, ops at the top level would only have been pushed one
level deeper.

https://github.com/parse-community/parse-server/issues/3767
2017-05-10 08:32:08 -04:00

52 lines
1.7 KiB
JavaScript

var DatabaseController = require('../src/Controllers/DatabaseController.js');
var validateQuery = DatabaseController._validateQuery;
describe('DatabaseController', function() {
describe('validateQuery', function() {
it('should restructure simple cases of SERVER-13732', (done) => {
var query = {$or: [{a: 1}, {a: 2}], _rperm: {$in: ['a', 'b']}, foo: 3};
validateQuery(query);
expect(query).toEqual({$or: [{a: 1, _rperm: {$in: ['a', 'b']}, foo: 3},
{a: 2, _rperm: {$in: ['a', 'b']}, foo: 3}]});
done();
});
it('should not restructure SERVER-13732 queries with $nears', (done) => {
var query = {$or: [{a: 1}, {b: 1}], c: {$nearSphere: {}}};
validateQuery(query);
expect(query).toEqual({$or: [{a: 1}, {b: 1}], c: {$nearSphere: {}}});
query = {$or: [{a: 1}, {b: 1}], c: {$near: {}}};
validateQuery(query);
expect(query).toEqual({$or: [{a: 1}, {b: 1}], c: {$near: {}}});
done();
});
it('should push refactored keys down a tree for SERVER-13732', (done) => {
var query = {a: 1, $or: [{$or: [{b: 1}, {b: 2}]},
{$or: [{c: 1}, {c: 2}]}]};
validateQuery(query);
expect(query).toEqual({$or: [{$or: [{b: 1, a: 1}, {b: 2, a: 1}]},
{$or: [{c: 1, a: 1}, {c: 2, a: 1}]}]});
done();
});
it('should reject invalid queries', (done) => {
expect(() => validateQuery({$or: {'a': 1}})).toThrow();
done();
});
it('should accept valid queries', (done) => {
expect(() => validateQuery({$or: [{'a': 1}, {'b': 2}]})).not.toThrow();
done();
});
});
});