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fix(ejson): enable serialization of legacy ObjectID
* don't require mongodb on browser tests (part of the fix to #303) * Revert "don't require mongodb on browser tests" This reverts commit 3dc2cc1. * EJSON serializing of ObjectID (capital D) * Added newline at end of file
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‎lib/extended_json.js

+6-1
Original file line numberDiff line numberDiff line change
@@ -268,8 +268,13 @@ function serializeValue(value, options) {
268268
function serializeDocument(doc, options) {
269269
if (doc == null || typeof doc !== 'object') throw new Error('not an object instance');
270270

271-
// the "document" is a BSON type
271+
// the "document" is really just a BSON type
272272
if (doc._bsontype) {
273+
if (doc._bsontype === 'ObjectID') {
274+
// Deprecated ObjectID class with capital "D" is still used (e.g. by 'mongodb' package). It has
275+
// no "toExtendedJSON" method, so convert to new ObjectId (lowercase "d") class before serializing
276+
doc = ObjectId.createFromHexString(doc.toString());
277+
}
273278
if (typeof doc.toExtendedJSON === 'function') {
274279
// TODO: the two cases below mutate the original document! Bad. I don't know
275280
// enough about these two BSON types to know how to safely clone these objects, but

‎test/node/extended_json_tests.js

+49-4
Original file line numberDiff line numberDiff line change
@@ -16,10 +16,26 @@ const Long = BSON.Long;
1616
const MaxKey = BSON.MaxKey;
1717
const MinKey = BSON.MinKey;
1818
const ObjectID = BSON.ObjectID;
19+
const ObjectId = BSON.ObjectId;
1920
const BSONRegExp = BSON.BSONRegExp;
2021
const BSONSymbol = BSON.BSONSymbol;
2122
const Timestamp = BSON.Timestamp;
2223

24+
// test the old ObjectID class because MongoDB drivers still return it
25+
// fall back to BSON's ObjectId in browser tests
26+
function getOldObjectID() {
27+
try {
28+
// do a dynamic resolve to avoid exception when running browser tests
29+
const file = require.resolve('mongodb');
30+
return require(file).ObjectID;
31+
}
32+
catch (e) {
33+
return ObjectId; // if mongo is unavailable, e.g. browsers, just re-use BSON's
34+
}
35+
}
36+
37+
const OldObjectID = getOldObjectID();
38+
2339
describe('Extended JSON', function() {
2440
let doc = {};
2541

@@ -41,7 +57,9 @@ describe('Extended JSON', function() {
4157
long: Long.fromNumber(200),
4258
maxKey: new MaxKey(),
4359
minKey: new MinKey(),
44-
objectId: ObjectID.createFromHexString('111111111111111111111111'),
60+
objectId: ObjectId.createFromHexString('111111111111111111111111'),
61+
objectID: ObjectID.createFromHexString('111111111111111111111111'),
62+
oldObjectID: OldObjectID.createFromHexString('111111111111111111111111'),
4563
regexp: new BSONRegExp('hello world', 'i'),
4664
symbol: new BSONSymbol('symbol'),
4765
timestamp: Timestamp.fromNumber(1000),
@@ -55,7 +73,7 @@ describe('Extended JSON', function() {
5573
it('should correctly extend an existing mongodb module', function() {
5674
// Serialize the document
5775
var json =
58-
'{"_id":{"$numberInt":"100"},"gh":{"$numberInt":"1"},"binary":{"$binary":{"base64":"AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+Pw==","subType":"00"}},"date":{"$date":{"$numberLong":"1488372056737"}},"code":{"$code":"function() {}","$scope":{"a":{"$numberInt":"1"}}},"dbRef":{"$ref":"tests","$id":{"$numberInt":"1"},"$db":"test"},"decimal":{"$numberDecimal":"100"},"double":{"$numberDouble":"10.1"},"int32":{"$numberInt":"10"},"long":{"$numberLong":"200"},"maxKey":{"$maxKey":1},"minKey":{"$minKey":1},"objectId":{"$oid":"111111111111111111111111"},"regexp":{"$regularExpression":{"pattern":"hello world","options":"i"}},"symbol":{"$symbol":"symbol"},"timestamp":{"$timestamp":{"t":0,"i":1000}},"int32Number":{"$numberInt":"300"},"doubleNumber":{"$numberDouble":"200.2"},"longNumberIntFit":{"$numberLong":"7036874417766400"},"doubleNumberIntFit":{"$numberLong":"19007199250000000"}}';
76+
'{"_id":{"$numberInt":"100"},"gh":{"$numberInt":"1"},"binary":{"$binary":{"base64":"AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+Pw==","subType":"00"}},"date":{"$date":{"$numberLong":"1488372056737"}},"code":{"$code":"function() {}","$scope":{"a":{"$numberInt":"1"}}},"dbRef":{"$ref":"tests","$id":{"$numberInt":"1"},"$db":"test"},"decimal":{"$numberDecimal":"100"},"double":{"$numberDouble":"10.1"},"int32":{"$numberInt":"10"},"long":{"$numberLong":"200"},"maxKey":{"$maxKey":1},"minKey":{"$minKey":1},"objectId":{"$oid":"111111111111111111111111"},"objectID":{"$oid":"111111111111111111111111"},"oldObjectID":{"$oid":"111111111111111111111111"},"regexp":{"$regularExpression":{"pattern":"hello world","options":"i"}},"symbol":{"$symbol":"symbol"},"timestamp":{"$timestamp":{"t":0,"i":1000}},"int32Number":{"$numberInt":"300"},"doubleNumber":{"$numberDouble":"200.2"},"longNumberIntFit":{"$numberLong":"7036874417766400"},"doubleNumberIntFit":{"$numberLong":"19007199250000000"}}';
5977

6078
assert.equal(json, EJSON.stringify(doc, null, 0, { relaxed: false }));
6179
});
@@ -98,17 +116,36 @@ describe('Extended JSON', function() {
98116
});
99117

100118
it('should correctly serialize bson types when they are values', function() {
101-
var serialized = EJSON.stringify(new ObjectID('591801a468f9e7024b6235ea'), { relaxed: false });
119+
var serialized = EJSON.stringify(new ObjectId('591801a468f9e7024b6235ea'), { relaxed: false });
120+
expect(serialized).to.equal('{"$oid":"591801a468f9e7024b6235ea"}');
121+
serialized = EJSON.stringify(new ObjectID('591801a468f9e7024b6235ea'), { relaxed: false });
102122
expect(serialized).to.equal('{"$oid":"591801a468f9e7024b6235ea"}');
123+
serialized = EJSON.stringify(new OldObjectID('591801a468f9e7024b6235ea'), { relaxed: false });
124+
expect(serialized).to.equal('{"$oid":"591801a468f9e7024b6235ea"}');
125+
103126
serialized = EJSON.stringify(new Int32(42), { relaxed: false });
104127
expect(serialized).to.equal('{"$numberInt":"42"}');
128+
serialized = EJSON.stringify(
129+
{
130+
_id: { $nin: [new ObjectId('591801a468f9e7024b6235ea')] }
131+
},
132+
{ relaxed: false }
133+
);
134+
expect(serialized).to.equal('{"_id":{"$nin":[{"$oid":"591801a468f9e7024b6235ea"}]}}');
105135
serialized = EJSON.stringify(
106136
{
107137
_id: { $nin: [new ObjectID('591801a468f9e7024b6235ea')] }
108138
},
109139
{ relaxed: false }
110140
);
111141
expect(serialized).to.equal('{"_id":{"$nin":[{"$oid":"591801a468f9e7024b6235ea"}]}}');
142+
serialized = EJSON.stringify(
143+
{
144+
_id: { $nin: [new OldObjectID('591801a468f9e7024b6235ea')] }
145+
},
146+
{ relaxed: false }
147+
);
148+
expect(serialized).to.equal('{"_id":{"$nin":[{"$oid":"591801a468f9e7024b6235ea"}]}}');
112149

113150
serialized = EJSON.stringify(new Binary(new Uint8Array([1, 2, 3, 4, 5])), { relaxed: false });
114151
expect(serialized).to.equal('{"$binary":{"base64":"AQIDBAU=","subType":"00"}}');
@@ -122,7 +159,7 @@ describe('Extended JSON', function() {
122159
var parsed = EJSON.parse(input);
123160

124161
expect(parsed).to.deep.equal({
125-
result: [{ _id: new ObjectID('591801a468f9e7024b623939'), emptyField: null }]
162+
result: [{ _id: new ObjectId('591801a468f9e7024b623939'), emptyField: null }]
126163
});
127164
});
128165

@@ -170,7 +207,9 @@ describe('Extended JSON', function() {
170207
long: new Long(234),
171208
maxKey: new MaxKey(),
172209
minKey: new MinKey(),
210+
objectId: ObjectId.createFromHexString('111111111111111111111111'),
173211
objectID: ObjectID.createFromHexString('111111111111111111111111'),
212+
oldObjectID: OldObjectID.createFromHexString('111111111111111111111111'),
174213
bsonRegExp: new BSONRegExp('hello world', 'i'),
175214
symbol: new BSONSymbol('symbol'),
176215
timestamp: new Timestamp()
@@ -187,7 +226,9 @@ describe('Extended JSON', function() {
187226
long: { $numberLong: '234' },
188227
maxKey: { $maxKey: 1 },
189228
minKey: { $minKey: 1 },
229+
objectId: { $oid: '111111111111111111111111' },
190230
objectID: { $oid: '111111111111111111111111' },
231+
oldObjectID: { $oid: '111111111111111111111111' },
191232
bsonRegExp: { $regularExpression: { pattern: 'hello world', options: 'i' } },
192233
symbol: { $symbol: 'symbol' },
193234
timestamp: { $timestamp: { t: 0, i: 0 } }
@@ -205,7 +246,9 @@ describe('Extended JSON', function() {
205246
long: { $numberLong: '234' },
206247
maxKey: { $maxKey: 1 },
207248
minKey: { $minKey: 1 },
249+
objectId: { $oid: '111111111111111111111111' },
208250
objectID: { $oid: '111111111111111111111111' },
251+
oldObjectID: { $oid: '111111111111111111111111' },
209252
bsonRegExp: { $regularExpression: { pattern: 'hello world', options: 'i' } },
210253
symbol: { $symbol: 'symbol' },
211254
timestamp: { $timestamp: { t: 0, i: 0 } }
@@ -237,7 +280,9 @@ describe('Extended JSON', function() {
237280
// minKey
238281
expect(result.minKey).to.be.an.instanceOf(BSON.MinKey);
239282
// objectID
283+
expect(result.objectId.toString()).to.equal('111111111111111111111111');
240284
expect(result.objectID.toString()).to.equal('111111111111111111111111');
285+
expect(result.oldObjectID.toString()).to.equal('111111111111111111111111');
241286
//bsonRegExp
242287
expect(result.bsonRegExp).to.be.an.instanceOf(BSON.BSONRegExp);
243288
expect(result.bsonRegExp.pattern).to.equal('hello world');

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