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model.geonear.test.js
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var start = require('./common')
, assert = require('assert')
, mongoose = start.mongoose
, random = require('../lib/utils').random
, Schema = mongoose.Schema
, DocumentObjectId = mongoose.Types.ObjectId
/**
* Setup
*/
var schema = new Schema({
coordinates : { type: [Number], index: '2dsphere' },
type: String
});
function getModel (db) {
return db.model('GeoNear', schema, 'geonear'+random());
}
describe('model', function(){
var mongo24_or_greater = false;
before(function(done){
start.mongodVersion(function (err, version) {
if (err) throw err;
mongo24_or_greater = 2 < version[0] || (2 == version[0] && 4 <= version[1]);
if (!mongo24_or_greater) console.log('not testing mongodb 2.4 features');
done();
})
})
describe('geoNear', function () {
it('works with legacy coordinate points', function (done) {
if (!mongo24_or_greater) return done();
var db = start();
var Geo = getModel(db);
assert.ok(Geo.geoNear instanceof Function);
Geo.on('index', function(err){
assert.ifError(err);
var geos = [];
geos[0] = new Geo({ coordinates : [10,10], type : "Point"});
geos[1] = new Geo({ coordinates : [15,5], type : "Point"});
geos[2] = new Geo({ coordinates : [20,15], type : "Point"});
geos[3] = new Geo({ coordinates : [1,-1], type : "Point"});
var count = geos.length;
for (var i=0; i < geos.length; i++) {
geos[i].save(function (err) {
assert.ifError(err);
--count || next();
});
}
function next() {
Geo.geoNear([9,9], { spherical : true, maxDistance : .1 }, function (err, results, stats) {
assert.ifError(err);
assert.equal(1, results.length);
assert.equal(results[0].obj.type, 'Point');
assert.equal(results[0].obj.coordinates.length, 2);
assert.equal(results[0].obj.coordinates[0], 10);
assert.equal(results[0].obj.coordinates[1], 10);
assert.equal(results[0].obj.id, geos[0].id);
assert.ok(results[0].obj instanceof Geo);
done();
});
}
});
});
it('works with GeoJSON coordinate points', function (done) {
if (!mongo24_or_greater) return done();
var db = start();
var Geo = getModel(db);
assert.ok(Geo.geoNear instanceof Function);
Geo.on('index', function(err){
assert.ifError(err);
var geos = [];
geos[0] = new Geo({ coordinates : [10,10], type : "Point"});
geos[1] = new Geo({ coordinates : [15,5], type : "Point"});
geos[2] = new Geo({ coordinates : [20,15], type : "Point"});
geos[3] = new Geo({ coordinates : [1,-1], type : "Point"});
var count = geos.length;
for (var i=0; i < geos.length; i++) {
geos[i].save(function () {
--count || next();
});
}
function next() {
var pnt = { type : "Point", coordinates : [9,9] };
Geo.geoNear(pnt, { spherical : true, maxDistance : .1 }, function (err, results, stats) {
assert.ifError(err);
assert.equal(1, results.length);
assert.equal(results[0].obj.type, 'Point');
assert.equal(results[0].obj.coordinates.length, 2);
assert.equal(results[0].obj.coordinates[0], 10);
assert.equal(results[0].obj.coordinates[1], 10);
assert.equal(results[0].obj.id, geos[0].id);
assert.ok(results[0].obj instanceof Geo);
done();
});
}
});
});
it('works with lean', function (done) {
if (!mongo24_or_greater) return done();
var db = start();
var Geo = getModel(db);
assert.ok(Geo.geoNear instanceof Function);
Geo.on('index', function(err){
assert.ifError(err);
var geos = [];
geos[0] = new Geo({ coordinates : [10,10], type : "Point"});
geos[1] = new Geo({ coordinates : [15,5], type : "Point"});
geos[2] = new Geo({ coordinates : [20,15], type : "Point"});
geos[3] = new Geo({ coordinates : [1,-1], type : "Point"});
var count = geos.length;
for (var i=0; i < geos.length; i++) {
geos[i].save(function () {
--count || next();
});
}
function next() {
var pnt = { type : "Point", coordinates : [9,9] };
Geo.geoNear(pnt, { spherical : true, maxDistance : .1, lean : true }, function (err, results, stats) {
assert.ifError(err);
assert.equal(1, results.length);
assert.equal(results[0].obj.type, 'Point');
assert.equal(results[0].obj.coordinates.length, 2);
assert.equal(results[0].obj.coordinates[0], 10);
assert.equal(results[0].obj.coordinates[1], 10);
assert.equal(results[0].obj._id, geos[0].id);
assert.ok(!(results[0].obj instanceof Geo));
done();
});
}
});
});
it('throws the correct error messages', function (done) {
if (!mongo24_or_greater) return done();
var db = start();
var Geo = getModel(db);
Geo.on('index', function(err){
assert.ifError(err);
var g = new Geo({ coordinates : [10,10], type : "place"});
g.save(function() {
var threw = false;
Geo.geoNear("1,2", {}, function (e) {
assert.ok(e);
assert.equal(e.message, "Must pass either a legacy coordinate array or GeoJSON Point to geoNear");
Geo.geoNear([1], {}, function (e) {
assert.ok(e);
assert.equal(e.message, "If using legacy coordinates, must be an array of size 2 for geoNear");
Geo.geoNear({ type : "Square" }, {}, function (e) {
assert.ok(e);
assert.equal(e.message, "Must pass either a legacy coordinate array or GeoJSON Point to geoNear");
Geo.geoNear({ type : "Point", coordinates : "1,2" }, {}, function (e) {
assert.ok(e);
assert.equal(e.message, "Must pass either a legacy coordinate array or GeoJSON Point to geoNear");
done();
});
});
});
});
});
});
});
it('returns a promise (gh-1614)', function(done){
if (!mongo24_or_greater) return done();
var db = start();
var Geo = getModel(db);
var pnt = { type : "Point", coordinates : [9,9] };
var prom = Geo.geoNear(pnt, { spherical : true, maxDistance : .1 }, function (err, results, stats) {
});
assert.ok(prom instanceof mongoose.Promise);
db.close();
done();
})
it('allows not passing a callback (gh-1614)', function (done) {
if (!mongo24_or_greater) return done();
var db = start();
var Geo = getModel(db);
Geo.on('index', function(err) {
assert.ifError(err);
var g = new Geo({ coordinates : [10,10], type : "Point"});
g.save(function (err) {
assert.ifError(err);
var pnt = { type : "Point", coordinates : [9,9] };
var promise;
assert.doesNotThrow(function() {
promise = Geo.geoNear(pnt, { spherical : true, maxDistance : 100000 });
});
function validate(ret, stat) {
assert.equal(1, ret.length);
assert.equal(ret[0].obj.coordinates[0], 10);
assert.equal(ret[0].obj.coordinates[1], 10);
assert.ok(stat);
}
function finish() {
db.close(done);
}
promise.then(validate, assert.ifError).then(finish).end();
});
});
});
it('promise fulfill even when no results returned', function(done){
if (!mongo24_or_greater) return done();
var db = start();
var Geo = getModel(db);
Geo.on('index', function(err) {
assert.ifError(err);
var g = new Geo({ coordinates : [1,1], type : "Point"});
g.save(function (err) {
assert.ifError(err);
var pnt = { type : "Point", coordinates : [90, 45] };
var promise;
assert.doesNotThrow(function() {
promise = Geo.geoNear(pnt, { spherical : true, maxDistance : 0.1 });
});
function finish() {
db.close(done);
}
promise.then(finish).end();
});
});
})
});
});