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143 lines
3.4 KiB
143 lines
3.4 KiB
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var utils = require('../lib/utils');
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var assert = require('assert');
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var mongo;
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try {
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mongo = new require('mongodb');
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} catch (e) {}
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describe('lib/utils', function() {
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describe('clone', function() {
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it('clones constructors named ObjectId', function(done) {
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function ObjectId (id) {
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this.id = id;
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}
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var o1 = new ObjectId('1234');
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var o2 = utils.clone(o1);
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assert.ok(o2 instanceof ObjectId);
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done();
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});
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it('clones constructors named ObjectID', function(done) {
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function ObjectID (id) {
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this.id = id;
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}
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var o1 = new ObjectID('1234');
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var o2 = utils.clone(o1);
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assert.ok(o2 instanceof ObjectID);
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done();
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});
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it('does not clone constructors named ObjectIdd', function(done) {
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function ObjectIdd (id) {
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this.id = id;
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}
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var o1 = new ObjectIdd('1234');
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var o2 = utils.clone(o1);
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assert.ok(!(o2 instanceof ObjectIdd));
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done();
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});
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it('optionally clones ObjectId constructors using its clone method', function(done) {
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function ObjectID (id) {
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this.id = id;
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this.cloned = false;
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}
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ObjectID.prototype.clone = function () {
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var ret = new ObjectID(this.id);
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ret.cloned = true;
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return ret;
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}
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var id = 1234;
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var o1 = new ObjectID(id);
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assert.equal(id, o1.id);
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assert.equal(false, o1.cloned);
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var o2 = utils.clone(o1);
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assert.ok(o2 instanceof ObjectID);
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assert.equal(id, o2.id);
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assert.ok(o2.cloned);
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done();
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});
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it('clones mongodb.ReadPreferences', function (done) {
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if (!mongo) return done();
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var tags = [
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{dc: 'tag1'}
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];
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var prefs = [
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new mongo.ReadPreference("primary"),
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new mongo.ReadPreference(mongo.ReadPreference.PRIMARY_PREFERRED),
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new mongo.ReadPreference("primary", tags),
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mongo.ReadPreference("primary", tags)
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];
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var prefsCloned = utils.clone(prefs);
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for (var i = 0; i < prefsCloned.length; i++) {
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assert.notEqual(prefs[i], prefsCloned[i]);
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assert.ok(prefsCloned[i] instanceof mongo.ReadPreference);
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assert.ok(prefsCloned[i].isValid());
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if (prefs[i].tags) {
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assert.ok(prefsCloned[i].tags);
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assert.notEqual(prefs[i].tags, prefsCloned[i].tags);
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assert.notEqual(prefs[i].tags[0], prefsCloned[i].tags[0]);
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} else {
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assert.equal(prefsCloned[i].tags, null);
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}
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}
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done();
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});
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it('clones mongodb.Binary', function(done){
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if (!mongo) return done();
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var buf = new Buffer('hi');
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var binary= new mongo.Binary(buf, 2);
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var clone = utils.clone(binary);
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assert.equal(binary.sub_type, clone.sub_type);
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assert.equal(String(binary.buffer), String(buf));
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assert.ok(binary !== clone);
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done();
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})
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it('handles objects with no constructor', function(done) {
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var name ='335';
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var o = Object.create(null);
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o.name = name;
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var clone;
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assert.doesNotThrow(function() {
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clone = utils.clone(o);
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});
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assert.equal(name, clone.name);
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assert.ok(o != clone);
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done();
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});
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it('handles buffers', function(done){
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var buff = new Buffer(10);
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buff.fill(1);
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var clone = utils.clone(buff);
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for (var i = 0; i < buff.length; i++) {
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assert.equal(buff[i], clone[i]);
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}
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done();
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});
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});
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});
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