var mquery = require('../');
var assert = require('assert');
describe('mquery', function(){
var col;
before(function(done){
// get the env specific collection interface
require('./env').getCollection(function (err, collection) {
assert.ifError(err);
col = collection;
done();
});
})
after(function(done){
require('./env').dropCollection(done);
})
describe('mquery', function(){
it('is a function', function(){
assert.equal('function', typeof mquery);
})
it('creates instances with the `new` keyword', function(){
assert.ok(mquery() instanceof mquery);
})
describe('defaults', function(){
it('are set', function(){
var m = mquery();
assert.strictEqual(undefined, m.op);
assert.deepEqual({}, m.options);
})
})
describe('criteria', function(){
it('if collection-like is used as collection', function(){
var m = mquery(col);
assert.equal(col, m._collection.collection);
})
it('non-collection-like is used as criteria', function(){
var m = mquery({ works: true });
assert.ok(!m._collection);
assert.deepEqual({ works: true }, m._conditions);
})
})
describe('options', function(){
it('are merged when passed', function(){
var m = mquery(col, { safe: true });
assert.deepEqual({ safe: true }, m.options);
var m = mquery({ name: 'mquery' }, { safe: true });
assert.deepEqual({ safe: true }, m.options);
})
})
})
describe('toConstructor', function(){
it('creates subclasses of mquery', function(){
var opts = { safe: { w: 'majority' }, readPreference: 'p' };
var match = { name: 'test', count: { $gt: 101 }};
var select = { name: 1, count: 0 }
var update = { $set: { x: true }};
var path = 'street';
var q = mquery().setOptions(opts);
q.where(match);
q.select(select);
q.update(update);
q.where(path);
q.find();
var M = q.toConstructor();
var m = M();
assert.ok(m instanceof mquery);
assert.deepEqual(opts, m.options);
assert.deepEqual(match, m._conditions);
assert.deepEqual(select, m._fields);
assert.deepEqual(update, m._update);
assert.equal(path, m._path);
assert.equal('find', m.op);
})
})
describe('setOptions', function(){
it('calls associated methods', function(){
var m = mquery();
assert.equal(m._collection, null);
m.setOptions({ collection: col });
assert.equal(m._collection.collection, col);
})
it('directly sets option when no method exists', function(){
var m = mquery();
assert.equal(m.options.woot, null);
m.setOptions({ woot: 'yay' });
assert.equal(m.options.woot, 'yay');
})
it('is chainable', function(){
var m = mquery();
var n = m.setOptions();
assert.equal(m, n);
var n = m.setOptions({ x: 1 });
assert.equal(m, n);
})
})
describe('collection', function(){
it('sets the _collection', function(){
var m = mquery();
m.collection(col);
assert.equal(m._collection.collection, col);
})
it('is chainable', function(){
var m = mquery();
var n = m.collection(col);
assert.equal(m, n);
})
})
describe('$where', function(){
it('sets the $where condition', function(){
var m = mquery();
function go () {}
m.$where(go);
assert.ok(go === m._conditions.$where);
})
it('is chainable', function(){
var m = mquery();
var n = m.$where('x');
assert.equal(m, n);
})
})
describe('where', function(){
it('without arguments', function(){
var m = mquery();
m.where();
assert.deepEqual({}, m._conditions);
})
it('with non-string/object argument', function(){
var m = mquery();
assert.throws(function(){
m.where([]);
}, /path must be a string or object/);
})
describe('with one argument', function(){
it('that is an object', function(){
var m = mquery();
m.where({ name: 'flawed' });
assert.strictEqual(m._conditions.name, 'flawed');
})
it('that is a query', function(){
var m = mquery({ name: 'first' });
var n = mquery({ name: 'changed' });
m.where(n);
assert.strictEqual(m._conditions.name, 'changed');
})
it('that is a string', function(){
var m = mquery();
m.where('name');
assert.equal('name', m._path);
assert.strictEqual(m._conditions.name, undefined);
})
})
it('with two arguments', function(){
var m = mquery();
m.where('name', 'The Great Pumpkin');
assert.equal('name', m._path);
assert.strictEqual(m._conditions.name, 'The Great Pumpkin');
})
it('is chainable', function(){
var m = mquery();
var n = m.where('x', 'y');
assert.equal(m, n);
var n = m.where()
assert.equal(m, n);
})
})
describe('equals', function(){
it('must be called after where()', function(){
var m = mquery();
assert.throws(function () {
m.equals();
}, /must be used after where/)
})
it('sets value of path set with where()', function(){
var m = mquery();
m.where('age').equals(1000);
assert.deepEqual({ age: 1000 }, m._conditions);
})
it('is chainable', function(){
var m = mquery();
var n = m.where('x').equals(3);
assert.equal(m, n);
})
})
describe('eq', function(){
it('is alias of equals', function(){
var m = mquery();
m.where('age').eq(1000);
assert.deepEqual({ age: 1000 }, m._conditions);
})
})
describe('or', function(){
it('pushes onto the internal $or condition', function(){
var m = mquery();
m.or({ 'Nightmare Before Christmas': true });
assert.deepEqual([{'Nightmare Before Christmas': true }], m._conditions.$or)
})
it('allows passing arrays', function(){
var m = mquery();
var arg = [{ 'Nightmare Before Christmas': true }, { x: 1 }];
m.or(arg);
assert.deepEqual(arg, m._conditions.$or)
})
it('allows calling multiple times', function(){
var m = mquery();
var arg = [{ looper: true }, { x: 1 }];
m.or(arg);
m.or({ y: 1 })
m.or([{ w: 'oo' }, { z: 'oo'} ])
assert.deepEqual([{looper:true},{x:1},{y:1},{w:'oo'},{z:'oo'}], m._conditions.$or)
})
it('is chainable', function(){
var m = mquery();
m.or({ o: "k"}).where('name', 'table');
assert.deepEqual({ name: 'table', $or: [{ o: 'k' }] }, m._conditions)
})
})
describe('nor', function(){
it('pushes onto the internal $nor condition', function(){
var m = mquery();
m.nor({ 'Nightmare Before Christmas': true });
assert.deepEqual([{'Nightmare Before Christmas': true }], m._conditions.$nor)
})
it('allows passing arrays', function(){
var m = mquery();
var arg = [{ 'Nightmare Before Christmas': true }, { x: 1 }];
m.nor(arg);
assert.deepEqual(arg, m._conditions.$nor)
})
it('allows calling multiple times', function(){
var m = mquery();
var arg = [{ looper: true }, { x: 1 }];
m.nor(arg);
m.nor({ y: 1 })
m.nor([{ w: 'oo' }, { z: 'oo'} ])
assert.deepEqual([{looper:true},{x:1},{y:1},{w:'oo'},{z:'oo'}], m._conditions.$nor)
})
it('is chainable', function(){
var m = mquery();
m.nor({ o: "k"}).where('name', 'table');
assert.deepEqual({ name: 'table', $nor: [{ o: 'k' }] }, m._conditions)
})
})
describe('and', function(){
it('pushes onto the internal $and condition', function(){
var m = mquery();
m.and({ 'Nightmare Before Christmas': true });
assert.deepEqual([{'Nightmare Before Christmas': true }], m._conditions.$and)
})
it('allows passing arrays', function(){
var m = mquery();
var arg = [{ 'Nightmare Before Christmas': true }, { x: 1 }];
m.and(arg);
assert.deepEqual(arg, m._conditions.$and)
})
it('allows calling multiple times', function(){
var m = mquery();
var arg = [{ looper: true }, { x: 1 }];
m.and(arg);
m.and({ y: 1 })
m.and([{ w: 'oo' }, { z: 'oo'} ])
assert.deepEqual([{looper:true},{x:1},{y:1},{w:'oo'},{z:'oo'}], m._conditions.$and)
})
it('is chainable', function(){
var m = mquery();
m.and({ o: "k"}).where('name', 'table');
assert.deepEqual({ name: 'table', $and: [{ o: 'k' }] }, m._conditions)
})
})
function generalCondition (type) {
return function () {
it('accepts 2 args', function(){
var m = mquery()[type]('count', 3);
var check = {};
check['$' + type] = 3;
assert.deepEqual(m._conditions.count, check);
})
it('uses previously set `where` path if 1 arg passed', function(){
var m = mquery().where('count')[type](3);
var check = {};
check['$' + type] = 3;
assert.deepEqual(m._conditions.count, check);
})
it('throws if 1 arg was passed but no previous `where` was used', function(){
assert.throws(function(){
mquery()[type](3);
}, /must be used after where/);
})
it('is chainable', function(){
var m = mquery().where('count')[type](3).where('x', 8);
var check = {x: 8, count: {}};
check.count['$' + type] = 3;
assert.deepEqual(m._conditions, check);
})
it('overwrites previous value', function(){
var m = mquery().where('count')[type](3)[type](8);
var check = {};
check['$' + type] = 8;
assert.deepEqual(m._conditions.count, check);
})
}
}
'gt gte lt lte ne in nin regex size maxDistance minDistance'.split(' ').forEach(function (type) {
describe(type, generalCondition(type))
})
describe('mod', function () {
describe('with 1 argument', function(){
it('requires a previous where()', function(){
assert.throws(function () {
mquery().mod([30, 10])
}, /must be used after where/);
})
it('works', function(){
var m = mquery().where('madmen').mod([10,20]);
assert.deepEqual(m._conditions, { madmen: { $mod: [10,20] }})
})
})
describe('with 2 arguments and second is non-Array', function(){
it('requires a previous where()', function(){
assert.throws(function () {
mquery().mod('x', 10)
}, /must be used after where/);
})
it('works', function(){
var m = mquery().where('madmen').mod(10, 20);
assert.deepEqual(m._conditions, { madmen: { $mod: [10,20] }})
})
})
it('with 2 arguments and second is an array', function(){
var m = mquery().mod('madmen', [10,20]);
assert.deepEqual(m._conditions, { madmen: { $mod: [10,20] }})
})
it('with 3 arguments', function(){
var m = mquery().mod('madmen', 10, 20);
assert.deepEqual(m._conditions, { madmen: { $mod: [10,20] }})
})
it('is chainable', function(){
var m = mquery().mod('madmen', 10, 20).where('x', 8);
var check = { madmen: { $mod: [10,20] }, x: 8};
assert.deepEqual(m._conditions, check);
})
})
describe('exists', function(){
it('with 0 args', function(){
it('throws if not used after where()', function(){
assert.throws(function () {
mquery().exists()
}, /must be used after where/);
})
it('works', function(){
var m = mquery().where('name').exists();
var check = { name: { $exists: true }};
assert.deepEqual(m._conditions, check);
})
})
describe('with 1 arg', function(){
describe('that is boolean', function(){
it('throws if not used after where()', function(){
assert.throws(function () {
mquery().exists()
}, /must be used after where/);
})
it('works', function(){
var m = mquery().exists('name', false);
var check = { name: { $exists: false }};
assert.deepEqual(m._conditions, check);
})
})
describe('that is not boolean', function(){
it('sets the value to `true`', function(){
var m = mquery().where('name').exists('yummy');
var check = { yummy: { $exists: true }};
assert.deepEqual(m._conditions, check);
})
})
})
describe('with 2 args', function(){
it('works', function(){
var m = mquery().exists('yummy', false);
var check = { yummy: { $exists: false }};
assert.deepEqual(m._conditions, check);
})
})
it('is chainable', function(){
var m = mquery().where('name').exists().find({ x: 1 });
var check = { name: { $exists: true }, x: 1};
assert.deepEqual(m._conditions, check);
})
})
describe('elemMatch', function(){
describe('with null/undefined first argument', function(){
assert.throws(function () {
mquery().elemMatch();
}, /Invalid argument/);
assert.throws(function () {
mquery().elemMatch(null);
}, /Invalid argument/);
assert.doesNotThrow(function () {
mquery().elemMatch('', {});
});
})
describe('with 1 argument', function(){
it('throws if not a function or object', function(){
assert.throws(function () {
mquery().elemMatch([]);
}, /Invalid argument/);
})
describe('that is an object', function(){
it('throws if no previous `where` was used', function(){
assert.throws(function () {
mquery().elemMatch({});
}, /must be used after where/);
})
it('works', function(){
var m = mquery().where('comment').elemMatch({ author: 'joe', votes: {$gte: 3 }});
assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: {$gte: 3}}}}, m._conditions);
})
})
describe('that is a function', function(){
it('throws if no previous `where` was used', function(){
assert.throws(function () {
mquery().elemMatch(function(){});
}, /must be used after where/);
})
it('works', function(){
var m = mquery().where('comment').elemMatch(function (query) {
query.where({ author: 'joe', votes: {$gte: 3 }})
});
assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: {$gte: 3}}}}, m._conditions);
})
})
})
describe('with 2 arguments', function(){
describe('and the 2nd is an object', function(){
it('works', function(){
var m = mquery().elemMatch('comment', { author: 'joe', votes: {$gte: 3 }});
assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: {$gte: 3}}}}, m._conditions);
})
})
describe('and the 2nd is a function', function(){
it('works', function(){
var m = mquery().elemMatch('comment', function (query) {
query.where({ author: 'joe', votes: {$gte: 3 }})
});
assert.deepEqual({ comment: { $elemMatch: { author: 'joe', votes: {$gte: 3}}}}, m._conditions);
})
})
it('and the 2nd is not a function or object', function(){
assert.throws(function () {
mquery().elemMatch('comment', []);
}, /Invalid argument/);
})
})
})
describe('within', function(){
it('is chainable', function(){
var m = mquery();
assert.equal(m.where('a').within(), m);
})
describe('when called with arguments', function(){
it('must follow where()', function(){
assert.throws(function () {
mquery().within([]);
}, /must be used after where/);
})
describe('of length 1', function(){
it('throws if not a recognized shape', function(){
assert.throws(function () {
mquery().where('loc').within({});
}, /Invalid argument/)
assert.throws(function () {
mquery().where('loc').within(null);
}, /Invalid argument/)
})
it('delegates to circle when center exists', function(){
var m = mquery().where('loc').within({ center: [10,10], radius: 3 });
assert.deepEqual({ $geoWithin: {$center:[[10,10], 3]}}, m._conditions.loc);
})
it('delegates to box when exists', function(){
var m = mquery().where('loc').within({ box: [[10,10], [11,14]] });
assert.deepEqual({ $geoWithin: {$box:[[10,10], [11,14]]}}, m._conditions.loc);
})
it('delegates to polygon when exists', function(){
var m = mquery().where('loc').within({ polygon: [[10,10], [11,14],[10,9]] });
assert.deepEqual({ $geoWithin: {$polygon:[[10,10], [11,14],[10,9]]}}, m._conditions.loc);
})
it('delegates to geometry when exists', function(){
var m = mquery().where('loc').within({ type: 'Polygon', coordinates: [[10,10], [11,14],[10,9]] });
assert.deepEqual({ $geoWithin: {$geometry: {type:'Polygon', coordinates: [[10,10], [11,14],[10,9]]}}}, m._conditions.loc);
})
})
describe('of length 2', function(){
it('delegates to box()', function(){
var m = mquery().where('loc').within([1,2],[2,5]);
assert.deepEqual(m._conditions.loc, { $geoWithin: { $box: [[1,2],[2,5]]}});
})
})
describe('of length > 2', function(){
it('delegates to polygon()', function(){
var m = mquery().where('loc').within([1,2],[2,5],[2,4],[1,3]);
assert.deepEqual(m._conditions.loc, { $geoWithin: { $polygon: [[1,2],[2,5],[2,4],[1,3]]}});
})
})
})
})
describe('geoWithin', function(){
before(function(){
mquery.use$geoWithin = false;
})
after(function(){
mquery.use$geoWithin = true;
})
describe('when called with arguments', function(){
describe('of length 1', function(){
it('delegates to circle when center exists', function(){
var m = mquery().where('loc').within({ center: [10,10], radius: 3 });
assert.deepEqual({ $within: {$center:[[10,10], 3]}}, m._conditions.loc);
})
it('delegates to box when exists', function(){
var m = mquery().where('loc').within({ box: [[10,10], [11,14]] });
assert.deepEqual({ $within: {$box:[[10,10], [11,14]]}}, m._conditions.loc);
})
it('delegates to polygon when exists', function(){
var m = mquery().where('loc').within({ polygon: [[10,10], [11,14],[10,9]] });
assert.deepEqual({ $within: {$polygon:[[10,10], [11,14],[10,9]]}}, m._conditions.loc);
})
it('delegates to geometry when exists', function(){
var m = mquery().where('loc').within({ type: 'Polygon', coordinates: [[10,10], [11,14],[10,9]] });
assert.deepEqual({ $within: {$geometry: {type:'Polygon', coordinates: [[10,10], [11,14],[10,9]]}}}, m._conditions.loc);
})
})
describe('of length 2', function(){
it('delegates to box()', function(){
var m = mquery().where('loc').within([1,2],[2,5]);
assert.deepEqual(m._conditions.loc, { $within: { $box: [[1,2],[2,5]]}});
})
})
describe('of length > 2', function(){
it('delegates to polygon()', function(){
var m = mquery().where('loc').within([1,2],[2,5],[2,4],[1,3]);
assert.deepEqual(m._conditions.loc, { $within: { $polygon: [[1,2],[2,5],[2,4],[1,3]]}});
})
})
})
})
describe('box', function(){
describe('with 1 argument', function(){
it('throws', function(){
assert.throws(function () {
mquery().box('sometihng');
}, /Invalid argument/);
})
})
describe('with > 3 arguments', function(){
it('throws', function(){
assert.throws(function () {
mquery().box(1,2,3,4);
}, /Invalid argument/);
})
})
describe('with 2 arguments', function(){
it('throws if not used after where()', function(){
assert.throws(function () {
mquery().box([],[]);
}, /must be used after where/);
})
it('works', function(){
var m = mquery().where('loc').box([1,2],[3,4]);
assert.deepEqual(m._conditions.loc, { $geoWithin: { $box: [[1,2],[3,4]] }});
})
})
describe('with 3 arguments', function(){
it('works', function(){
var m = mquery().box('loc', [1,2],[3,4]);
assert.deepEqual(m._conditions.loc, { $geoWithin: { $box: [[1,2],[3,4]] }});
})
})
})
describe('polygon', function(){
describe('when first argument is not a string', function(){
it('throws if not used after where()', function(){
assert.throws(function () {
mquery().polygon({});
}, /must be used after where/);
assert.doesNotThrow(function () {
mquery().where('loc').polygon([1,2], [2,3], [3,6]);
});
})
it('assigns arguments to within polygon condition', function(){
var m = mquery().where('loc').polygon([1,2], [2,3], [3,6]);
assert.deepEqual(m._conditions, { loc: {$geoWithin: {$polygon: [[1,2],[2,3],[3,6]]}} });
})
})
describe('when first arg is a string', function(){
it('assigns remaining arguments to within polygon condition', function(){
var m = mquery().polygon('loc', [1,2], [2,3], [3,6]);
assert.deepEqual(m._conditions, { loc: {$geoWithin: {$polygon: [[1,2],[2,3],[3,6]]}} });
})
})
})
describe('circle', function(){
describe('with one arg', function(){
it('must follow where()', function(){
assert.throws(function () {
mquery().circle('x');
}, /must be used after where/);
assert.doesNotThrow(function () {
mquery().where('loc').circle({center:[0,0], radius: 3 });
});
})
it('works', function(){
var m = mquery().where('loc').circle({center:[0,0], radius: 3 });
assert.deepEqual(m._conditions, { loc: { $geoWithin: {$center: [[0,0],3] }}});
})
})
describe('with 3 args', function(){
it('throws', function(){
assert.throws(function () {
mquery().where('loc').circle(1,2,3);
}, /Invalid argument/);
})
})
describe('requires radius and center', function(){
assert.throws(function () {
mquery().circle('loc', { center: 1 });
}, /center and radius are required/);
assert.throws(function () {
mquery().circle('loc', { radius: 1 });
}, /center and radius are required/);
assert.doesNotThrow(function () {
mquery().circle('loc', { center: [1,2], radius: 1 });
});
})
})
describe('geometry', function(){
// within + intersects
var point = { type: 'Point', coordinates: [[0,0],[1,1]] };
it('must be called after within or intersects', function(done){
assert.throws(function () {
mquery().where('a').geometry(point);
}, /must come after/);
assert.doesNotThrow(function () {
mquery().where('a').within().geometry(point);
});
assert.doesNotThrow(function () {
mquery().where('a').intersects().geometry(point);
});
done();
})
describe('when called with one argument', function(){
describe('after within()', function(){
it('and arg quacks like geoJSON', function(done){
var m = mquery().where('a').within().geometry(point);
assert.deepEqual({ a: { $geoWithin: { $geometry: point }}}, m._conditions);
done();
})
})
describe('after intersects()', function(){
it('and arg quacks like geoJSON', function(done){
var m = mquery().where('a').intersects().geometry(point);
assert.deepEqual({ a: { $geoIntersects: { $geometry: point }}}, m._conditions);
done();
})
})
it('and arg does not quack like geoJSON', function(done){
assert.throws(function () {
mquery().where('b').within().geometry({type:1, coordinates:2});
}, /Invalid argument/);
done();
})
})
describe('when called with zero arguments', function(){
it('throws', function(done){
assert.throws(function () {
mquery().where('a').within().geometry();
}, /Invalid argument/);
done();
})
})
describe('when called with more than one arguments', function(){
it('throws', function(done){
assert.throws(function () {
mquery().where('a').within().geometry({type:'a',coordinates:[]}, 2);
}, /Invalid argument/);
done();
})
})
})
describe('intersects', function(){
it('must be used after where()', function(done){
var m = mquery();
assert.throws(function () {
m.intersects();
}, /must be used after where/)
done();
})
it('sets geo comparison to "$intersects"', function(done){
var n = mquery().where('a').intersects();
assert.equal('$geoIntersects', n._geoComparison);
done();
})
it('is chainable', function(){
var m = mquery();
assert.equal(m.where('a').intersects(), m);
})
it('calls geometry if argument quacks like geojson', function(done){
var m = mquery();
var o = { type: 'LineString', coordinates: [[0,1],[3,40]] };
var ran = false;
m.geometry = function (arg) {
ran = true;
assert.deepEqual(o, arg);
}
m.where('a').intersects(o);
assert.ok(ran);
done();
})
it('throws if argument is not geometry-like', function(done){
var m = mquery().where('a');
assert.throws(function () {
m.intersects(null);
}, /Invalid argument/);
assert.throws(function () {
m.intersects(undefined);
}, /Invalid argument/);
assert.throws(function () {
m.intersects(false);
}, /Invalid argument/);
assert.throws(function () {
m.intersects({});
}, /Invalid argument/);
assert.throws(function () {
m.intersects([]);
}, /Invalid argument/);
assert.throws(function () {
m.intersects(function(){});
}, /Invalid argument/);
assert.throws(function () {
m.intersects(NaN);
}, /Invalid argument/);
done();
})
})
describe('near', function(){
// near nearSphere
describe('with 0 args', function(){
it('is compatible with geometry()', function(done){
var q = mquery().where('x').near().geometry({ type: 'Point', coordinates: [180, 11] });
assert.deepEqual({ $near: {$geometry: {type:'Point', coordinates: [180,11]}}}, q._conditions.x);
done();
})
})
describe('with 1 arg', function(){
it('throws if not used after where()', function(){
assert.throws(function () {
mquery().near(1);
}, /must be used after where/)
})
it('does not throw if used after where()', function(){
assert.doesNotThrow(function () {
mquery().where('loc').near({center:[1,1]});
})
})
})
describe('with > 2 args', function(){
it('throws', function(){
assert.throws(function () {
mquery().near(1,2,3);
}, /Invalid argument/)
})
})
it('creates $geometry args for GeoJSON', function(){
var m = mquery().where('loc').near({ center: { type: 'Point', coordinates: [10,10] }});
assert.deepEqual({ $near: {$geometry: {type:'Point', coordinates: [10,10]}}}, m._conditions.loc);
})
it('expects `center`', function(){
assert.throws(function () {
mquery().near('loc', { maxDistance: 3 });
}, /center is required/)
assert.doesNotThrow(function () {
mquery().near('loc', { center: [3,4] });
})
})
it('accepts spherical conditions', function(){
var m = mquery().where('loc').near({ center: [1,2], spherical: true });
assert.deepEqual(m._conditions, { loc: { $nearSphere: [1,2]}});
})
it('is non-spherical by default', function(){
var m = mquery().where('loc').near({ center: [1,2] });
assert.deepEqual(m._conditions, { loc: { $near: [1,2]}});
})
it('supports maxDistance', function(){
var m = mquery().where('loc').near({ center: [1,2], maxDistance:4 });
assert.deepEqual(m._conditions, { loc: { $near: [1,2], $maxDistance: 4}});
})
it('supports minDistance', function(){
var m = mquery().where('loc').near({ center: [1,2], minDistance:4 });
assert.deepEqual(m._conditions, { loc: { $near: [1,2], $minDistance: 4}});
})
it('is chainable', function(){
var m = mquery().where('loc').near({ center: [1,2], maxDistance:4 }).find({ x: 1 });
assert.deepEqual(m._conditions, { loc: { $near: [1,2], $maxDistance: 4}, x: 1});
})
describe('supports passing GeoJSON, gh-13', function(){
it('with center', function(){
var m = mquery().where('loc').near({
center: { type: 'Point', coordinates: [1,1] }
, maxDistance: 2
});
var expect = {
loc: {
$near: {
$geometry: {
type: 'Point'
, coordinates : [1,1]
}
, $maxDistance : 2
}
}
}
assert.deepEqual(m._conditions, expect);
})
})
})
// fields
describe('select', function(){
describe('with 0 args', function(){
it('is chainable', function(){
var m = mquery()
assert.equal(m, m.select());
})
})
it('accepts an object', function(){
var o = { x: 1, y: 1 }
var m = mquery().select(o);
assert.deepEqual(m._fields, o);
})
it('accepts a string', function(){
var o = 'x -y';
var m = mquery().select(o);
assert.deepEqual(m._fields, { x: 1, y: 0 });
})
it('does accept an array', function(){
var o = ['x', '-y'];
var m = mquery().select(o);
assert.deepEqual(m._fields, { x: 1, y: 0 });
})
it('merges previous arguments', function(){
var o = { x: 1, y: 0, a: 1 }
var m = mquery().select(o);
m.select('z -u w').select({ x: 0 })
assert.deepEqual(m._fields, {
x: 0
, y: 0
, z: 1
, u: 0
, w: 1
, a: 1
});
})
it('rejects non-string, object, arrays', function(){
assert.throws(function () {
mquery().select(function(){});
}, /Invalid select\(\) argument/);
})
it('accepts arguments objects', function(){
var m = mquery();
function t () {
m.select(arguments);
assert.deepEqual(m._fields, { x: 1, y: 0 });
}
t('x', '-y');
})
noDistinct('select');
})
describe('selected', function() {
it('returns true when fields have been selected', function(done) {
var m = mquery().select({ name: 1 });
assert.ok(m.selected());
var m = mquery().select('name');
assert.ok(m.selected());
done();
});
it('returns false when no fields have been selected', function(done) {
var m = mquery();
assert.strictEqual(false, m.selected());
done();
});
});
describe('selectedInclusively', function() {
describe('returns false', function(){
it('when no fields have been selected', function(done) {
assert.strictEqual(false, mquery().selectedInclusively());
assert.equal(false, mquery().select({}).selectedInclusively());
done();
});
it('when any fields have been excluded', function(done) {
assert.strictEqual(false, mquery().select('-name').selectedInclusively());
assert.strictEqual(false, mquery().select({ name: 0 }).selectedInclusively());
assert.strictEqual(false, mquery().select('name bio -_id').selectedInclusively());
assert.strictEqual(false, mquery().select({ name: 1, _id: 0 }).selectedInclusively());
done();
});
it('when using $meta', function(done) {
assert.strictEqual(false, mquery().select({ name: { $meta: 'textScore' } }).selectedInclusively());
done();
});
});
describe('returns true', function() {
it('when fields have been included', function(done) {
assert.equal(true, mquery().select('name').selectedInclusively());
assert.equal(true, mquery().select({ name:1 }).selectedInclusively());
done();
});
});
});
describe('selectedExclusively', function() {
describe('returns false', function(){
it('when no fields have been selected', function(done) {
assert.equal(false, mquery().selectedExclusively());
assert.equal(false, mquery().select({}).selectedExclusively());
done();
});
it('when fields have only been included', function(done) {
assert.equal(false, mquery().select('name').selectedExclusively());
assert.equal(false, mquery().select({ name: 1 }).selectedExclusively());
done();
});
});
describe('returns true', function() {
it('when any field has been excluded', function(done) {
assert.equal(true, mquery().select('-name').selectedExclusively());
assert.equal(true, mquery().select({ name:0 }).selectedExclusively());
assert.equal(true, mquery().select('-_id').selectedExclusively());
assert.strictEqual(true, mquery().select('name bio -_id').selectedExclusively());
assert.strictEqual(true, mquery().select({ name: 1, _id: 0 }).selectedExclusively());
done();
});
});
});
describe('slice', function(){
describe('with 0 args', function(){
it('is chainable', function(){
var m = mquery()
assert.equal(m, m.slice());
})
it('is a noop', function(){
var m = mquery().slice();
assert.deepEqual(m._fields, undefined);
})
})
describe('with 1 arg', function(){
it('throws if not called after where()', function(){
assert.throws(function () {
mquery().slice(1);
}, /must be used after where/);
assert.doesNotThrow(function () {
mquery().where('a').slice(1);
});
})
it('that is a number', function(){
var query = mquery();
query.where('collection').slice(5);
assert.deepEqual(query._fields, {collection: {$slice: 5}});
})
it('that is an array', function(){
var query = mquery();
query.where('collection').slice([5,10]);
assert.deepEqual(query._fields, {collection: {$slice: [5,10]}});
})
it('that is an object', function() {
var query = mquery();
query.slice({ collection: [5, 10] });
assert.deepEqual(query._fields, {collection: {$slice: [5,10]}});
})
})
describe('with 2 args', function(){
describe('and first is a number', function(){
it('throws if not called after where', function(){
assert.throws(function () {
mquery().slice(2,3);
}, /must be used after where/);
})
it('does not throw if used after where', function(){
var query = mquery();
query.where('collection').slice(2,3);
assert.deepEqual(query._fields, {collection: {$slice: [2,3]}});
})
})
it('and first is not a number', function(){
var query = mquery().slice('collection', [-5, 2]);
assert.deepEqual(query._fields, {collection: {$slice: [-5,2]}});
})
})
describe('with 3 args', function(){
it('works', function(){
var query = mquery();
query.slice('collection', 14, 10);
assert.deepEqual(query._fields, {collection: {$slice: [14, 10]}});
})
})
noDistinct('slice');
no('count', 'slice');
})
// options
describe('sort', function(){
describe('with 0 args', function(){
it('chains', function(){
var m = mquery();
assert.equal(m, m.sort());
})
it('has no affect', function(){
var m = mquery();
assert.equal(m.options.sort, undefined);
})
});
it('works', function(){
var query = mquery();
query.sort('a -c b');
assert.deepEqual(query.options.sort, { a : 1, b: 1, c : -1});
query = mquery();
query.sort({'a': 1, 'c': -1, 'b': 'asc', e: 'descending', f: 'ascending'});
assert.deepEqual(query.options.sort, {'a': 1, 'c': -1, 'b': 1, 'e': -1, 'f': 1});
query = mquery();
var e= undefined;
e= undefined;
try {
query.sort('a', 1, 'c', -1, 'b', 1);
} catch (err) {
e= err;
}
assert.ok(e, 'uh oh. no error was thrown');
assert.equal(e.message, 'Invalid sort() argument. Must be a string, object, or array.');
});
it('handles $meta sort options', function(){
var query = mquery();
query.sort({ score: { $meta : "textScore" } });
assert.deepEqual(query.options.sort, { score : { $meta : "textScore" } });
});
it('array syntax', function(){
var query = mquery();
query.sort([['field', 1], ['test', -1]]);
assert.deepEqual(query.options.sort, [['field', 1], ['test', -1]]);
});
it('throws with mixed array/object syntax', function(){
var query = mquery();
assert.throws(function() {
query.sort({ field: 1 }).sort([['test', -1]]);
}, /Can't mix sort syntaxes/);
assert.throws(function() {
query.sort([['field', 1]]).sort({ test: 1 });
}, /Can't mix sort syntaxes/);
});
it('works with maps', function() {
if (typeof Map === 'undefined') {
return this.skip();
}
var query = mquery();
query.sort(new Map().set('field', 1).set('test', -1));
assert.deepEqual(query.options.sort, new Map().set('field', 1).set('test', -1));
});
})
function simpleOption (type, options) {
describe(type, function(){
it('sets the ' + type + ' option', function(){
var m = mquery()[type](2);
var optionName = options.name || type;
assert.equal(2, m.options[optionName]);
})
it('is chainable', function(){
var m = mquery();
assert.equal(m[type](3), m);
})
if (!options.distinct) noDistinct(type);
if (!options.count) no('count', type);
})
}
var negated = {
limit: {distinct: false, count: true}
, skip: {distinct: false, count: true}
, maxScan: {distinct: false, count: false}
, batchSize: {distinct: false, count: false}
, maxTime: {distinct: true, count: true, name: 'maxTimeMS' }
, comment: {distinct: false, count: false}
};
Object.keys(negated).forEach(function (key) {
simpleOption(key, negated[key]);
})
describe('snapshot', function(){
it('works', function(){
var query = mquery();
query.snapshot();
assert.equal(true, query.options.snapshot);
var query = mquery()
query.snapshot(true);
assert.equal(true, query.options.snapshot);
var query = mquery()
query.snapshot(false);
assert.equal(false, query.options.snapshot);
})
noDistinct('snapshot');
no('count', 'snapshot');
})
describe('hint', function(){
it('accepts an object', function(){
var query2 = mquery();
query2.hint({'a': 1, 'b': -1});
assert.deepEqual(query2.options.hint, {'a': 1, 'b': -1});
})
it('accepts a string', function(){
var query2 = mquery();
query2.hint('a');
assert.deepEqual(query2.options.hint, 'a');
})
it('rejects everything else', function(){
assert.throws(function(){
mquery().hint(['c']);
}, /Invalid hint./);
assert.throws(function(){
mquery().hint(1);
}, /Invalid hint./);
})
describe('does not have side affects', function(){
it('on invalid arg', function(){
var m = mquery();
try {
m.hint(1);
} catch (err) {
// ignore
}
assert.equal(undefined, m.options.hint);
})
it('on missing arg', function(){
var m = mquery().hint();
assert.equal(undefined, m.options.hint);
})
})
noDistinct('hint');
})
describe('slaveOk', function(){
it('works', function(){
var query = mquery();
query.slaveOk();
assert.equal(true, query.options.slaveOk);
var query = mquery()
query.slaveOk(true);
assert.equal(true, query.options.slaveOk);
var query = mquery()
query.slaveOk(false);
assert.equal(false, query.options.slaveOk);
})
})
describe('read', function(){
it('sets associated readPreference option', function(){
var m = mquery();
m.read('p');
assert.equal('primary', m.options.readPreference);
})
it('is chainable', function(){
var m = mquery();
assert.equal(m, m.read('sp'));
})
})
describe('tailable', function(){
it('works', function(){
var query = mquery();
query.tailable();
assert.equal(true, query.options.tailable);
var query = mquery()
query.tailable(true);
assert.equal(true, query.options.tailable);
var query = mquery()
query.tailable(false);
assert.equal(false, query.options.tailable);
})
it('is chainable', function(){
var m = mquery();
assert.equal(m, m.tailable());
})
noDistinct('tailable');
no('count', 'tailable');
})
// query utilities
describe('merge', function(){
describe('with falsy arg', function(){
it('returns itself', function(){
var m = mquery();
assert.equal(m, m.merge());
assert.equal(m, m.merge(null));
assert.equal(m, m.merge(0));
})
})
describe('with an argument', function(){
describe('that is not a query or plain object', function(){
it('throws', function(){
assert.throws(function () {
mquery().merge([]);
}, /Invalid argument/);
assert.throws(function () {
mquery().merge('merge');
}, /Invalid argument/);
assert.doesNotThrow(function () {
mquery().merge({});
}, /Invalid argument/);
})
})
describe('that is a query', function(){
it('merges conditions, field selection, and options', function(){
var m = mquery({ x: 'hi' }, { select: 'x y', another: true })
var n = mquery().merge(m);
assert.deepEqual(n._conditions, m._conditions);
assert.deepEqual(n._fields, m._fields);
assert.deepEqual(n.options, m.options);
})
it('clones update arguments', function(done){
var original = { $set: { iTerm: true }}
var m = mquery().update(original);
var n = mquery().merge(m);
m.update({ $set: { x: 2 }})
assert.notDeepEqual(m._update, n._update);
done();
})
it('is chainable', function(){
var m = mquery({ x: 'hi' });
var n = mquery();
assert.equal(n, n.merge(m));
})
})
describe('that is an object', function(){
it('merges', function(){
var m = { x: 'hi' };
var n = mquery().merge(m);
assert.deepEqual(n._conditions, { x: 'hi' });
})
it('clones update arguments', function(done){
var original = { $set: { iTerm: true }}
var m = mquery().update(original);
var n = mquery().merge(original);
m.update({ $set: { x: 2 }})
assert.notDeepEqual(m._update, n._update);
done();
})
it('is chainable', function(){
var m = { x: 'hi' };
var n = mquery();
assert.equal(n, n.merge(m));
})
})
})
})
// queries
describe('find', function(){
describe('with no callback', function(){
it('does not execute', function(){
var m = mquery();
assert.doesNotThrow(function () {
m.find()
})
assert.doesNotThrow(function () {
m.find({ x: 1 })
})
})
})
it('is chainable', function(){
var m = mquery().find({ x: 1 }).find().find({ y: 2 });
assert.deepEqual(m._conditions, {x:1,y:2});
})
it('merges other queries', function(){
var m = mquery({ name: 'mquery' });
m.tailable();
m.select('_id');
var a = mquery().find(m);
assert.deepEqual(a._conditions, m._conditions);
assert.deepEqual(a.options, m.options);
assert.deepEqual(a._fields, m._fields);
})
describe('executes', function(){
before(function (done) {
col.insert({ name: 'mquery' }, { safe: true }, done);
});
after(function(done){
col.remove({ name: 'mquery' }, done);
})
it('when criteria is passed with a callback', function(done){
mquery(col).find({ name: 'mquery' }, function (err, docs) {
assert.ifError(err);
assert.equal(1, docs.length);
done();
})
})
it('when Query is passed with a callback', function(done){
var m = mquery({ name: 'mquery' });
mquery(col).find(m, function (err, docs) {
assert.ifError(err);
assert.equal(1, docs.length);
done();
})
})
it('when just a callback is passed', function(done){
mquery({ name: 'mquery' }).collection(col).find(function (err, docs) {
assert.ifError(err);
assert.equal(1, docs.length);
done();
});
})
})
})
describe('findOne', function(){
describe('with no callback', function(){
it('does not execute', function(){
var m = mquery();
assert.doesNotThrow(function () {
m.findOne()
})
assert.doesNotThrow(function () {
m.findOne({ x: 1 })
})
})
})
it('is chainable', function(){
var m = mquery();
var n = m.findOne({ x: 1 }).findOne().findOne({ y: 2 });
assert.equal(m, n);
assert.deepEqual(m._conditions, {x:1,y:2});
assert.equal('findOne', m.op);
})
it('merges other queries', function(){
var m = mquery({ name: 'mquery' });
m.read('nearest');
m.select('_id');
var a = mquery().findOne(m);
assert.deepEqual(a._conditions, m._conditions);
assert.deepEqual(a.options, m.options);
assert.deepEqual(a._fields, m._fields);
})
describe('executes', function(){
before(function (done) {
col.insert({ name: 'mquery findone' }, { safe: true }, done);
});
after(function(done){
col.remove({ name: 'mquery findone' }, done);
})
it('when criteria is passed with a callback', function(done){
mquery(col).findOne({ name: 'mquery findone' }, function (err, doc) {
assert.ifError(err);
assert.ok(doc);
assert.equal('mquery findone', doc.name);
done();
})
})
it('when Query is passed with a callback', function(done){
var m = mquery(col).where({ name: 'mquery findone' });
mquery(col).findOne(m, function (err, doc) {
assert.ifError(err);
assert.ok(doc);
assert.equal('mquery findone', doc.name);
done();
})
})
it('when just a callback is passed', function(done){
mquery({ name: 'mquery findone' }).collection(col).findOne(function (err, doc) {
assert.ifError(err);
assert.ok(doc);
assert.equal('mquery findone', doc.name);
done();
});
})
})
})
describe('count', function(){
describe('with no callback', function(){
it('does not execute', function(){
var m = mquery();
assert.doesNotThrow(function () {
m.count()
})
assert.doesNotThrow(function () {
m.count({ x: 1 })
})
})
})
it('is chainable', function(){
var m = mquery();
var n = m.count({ x: 1 }).count().count({ y: 2 });
assert.equal(m, n);
assert.deepEqual(m._conditions, {x:1,y:2});
assert.equal('count', m.op);
})
it('merges other queries', function(){
var m = mquery({ name: 'mquery' });
m.read('nearest');
m.select('_id');
var a = mquery().count(m);
assert.deepEqual(a._conditions, m._conditions);
assert.deepEqual(a.options, m.options);
assert.deepEqual(a._fields, m._fields);
})
describe('executes', function(){
before(function (done) {
col.insert({ name: 'mquery count' }, { safe: true }, done);
});
after(function(done){
col.remove({ name: 'mquery count' }, done);
})
it('when criteria is passed with a callback', function(done){
mquery(col).count({ name: 'mquery count' }, function (err, count) {
assert.ifError(err);
assert.ok(count);
assert.ok(1 === count);
done();
})
})
it('when Query is passed with a callback', function(done){
var m = mquery({ name: 'mquery count' });
mquery(col).count(m, function (err, count) {
assert.ifError(err);
assert.ok(count);
assert.ok(1 === count);
done();
})
})
it('when just a callback is passed', function(done){
mquery({ name: 'mquery count' }).collection(col).count(function (err, count) {
assert.ifError(err);
assert.ok(1 === count);
done();
});
})
})
describe('validates its option', function(){
it('sort', function(done){
assert.doesNotThrow(function(){
var m = mquery().sort('x').count();
});
done();
})
it('select', function(done){
assert.throws(function(){
var m = mquery().select('x').count();
}, /field selection and slice cannot be used with count/);
done();
})
it('slice', function(done){
assert.throws(function(){
var m = mquery().where('x').slice(-3).count();
}, /field selection and slice cannot be used with count/);
done();
})
it('limit', function(done){
assert.doesNotThrow(function(){
var m = mquery().limit(3).count();
})
done();
})
it('skip', function(done){
assert.doesNotThrow(function(){
var m = mquery().skip(3).count();
})
done();
})
it('batchSize', function(done){
assert.throws(function(){
var m = mquery({}, { batchSize: 3 }).count();
}, /batchSize cannot be used with count/);
done();
})
it('comment', function(done){
assert.throws(function(){
var m = mquery().comment('mquery').count();
}, /comment cannot be used with count/);
done();
})
it('maxScan', function(done){
assert.throws(function(){
var m = mquery().maxScan(300).count();
}, /maxScan cannot be used with count/);
done();
})
it('snapshot', function(done){
assert.throws(function(){
var m = mquery().snapshot().count();
}, /snapshot cannot be used with count/);
done();
})
it('tailable', function(done){
assert.throws(function(){
var m = mquery().tailable().count();
}, /tailable cannot be used with count/);
done();
})
})
})
describe('distinct', function(){
describe('with no callback', function(){
it('does not execute', function(){
var m = mquery();
assert.doesNotThrow(function () {
m.distinct()
})
assert.doesNotThrow(function () {
m.distinct('name')
})
assert.doesNotThrow(function () {
m.distinct({ name: 'mquery distinct' })
})
assert.doesNotThrow(function () {
m.distinct({ name: 'mquery distinct' }, 'name')
})
})
})
it('is chainable', function(){
var m = mquery({x:1}).distinct('name');
var n = m.distinct({y:2});
assert.equal(m, n);
assert.deepEqual(n._conditions, {x:1, y:2});
assert.equal('name', n._distinct);
assert.equal('distinct', n.op);
});
it('overwrites field', function(){
var m = mquery({ name: 'mquery' }).distinct('name');
m.distinct('rename');
assert.equal(m._distinct, 'rename');
m.distinct({x:1}, 'renamed');
assert.equal(m._distinct, 'renamed');
})
it('merges other queries', function(){
var m = mquery().distinct({ name: 'mquery' }, 'age')
m.read('nearest');
var a = mquery().distinct(m);
assert.deepEqual(a._conditions, m._conditions);
assert.deepEqual(a.options, m.options);
assert.deepEqual(a._fields, m._fields);
assert.deepEqual(a._distinct, m._distinct);
})
describe('executes', function(){
before(function (done) {
col.insert({ name: 'mquery distinct', age: 1 }, { safe: true }, done);
});
after(function(done){
col.remove({ name: 'mquery distinct' }, done);
})
it('when distinct arg is passed with a callback', function(done){
mquery(col).distinct('distinct', function (err, doc) {
assert.ifError(err);
assert.ok(doc);
done();
})
})
describe('when criteria is passed with a callback', function(){
it('if distinct arg was declared', function(done){
mquery(col).distinct('age').distinct({ name: 'mquery distinct' }, function (err, doc) {
assert.ifError(err);
assert.ok(doc);
done();
})
})
it('but not if distinct arg was not declared', function(){
assert.throws(function(){
mquery(col).distinct({ name: 'mquery distinct' }, function(){})
}, /No value for `distinct`/)
})
})
describe('when Query is passed with a callback', function(){
var m = mquery({ name: 'mquery distinct' });
it('if distinct arg was declared', function(done){
mquery(col).distinct('age').distinct(m, function (err, doc) {
assert.ifError(err);
assert.ok(doc);
done();
})
})
it('but not if distinct arg was not declared', function(){
assert.throws(function(){
mquery(col).distinct(m, function(){})
}, /No value for `distinct`/)
})
})
describe('when just a callback is passed', function(done){
it('if distinct arg was declared', function(done){
var m = mquery({ name: 'mquery distinct' });
m.collection(col);
m.distinct('age');
m.distinct(function (err, doc) {
assert.ifError(err);
assert.ok(doc);
done();
});
})
it('but not if no distinct arg was declared', function(){
var m = mquery();
m.collection(col);
assert.throws(function () {
m.distinct(function(){});
}, /No value for `distinct`/);
})
})
})
describe('validates its option', function(){
it('sort', function(done){
assert.throws(function(){
var m = mquery().sort('x').distinct();
}, /sort cannot be used with distinct/);
done();
})
it('select', function(done){
assert.throws(function(){
var m = mquery().select('x').distinct();
}, /field selection and slice cannot be used with distinct/);
done();
})
it('slice', function(done){
assert.throws(function(){
var m = mquery().where('x').slice(-3).distinct();
}, /field selection and slice cannot be used with distinct/);
done();
})
it('limit', function(done){
assert.throws(function(){
var m = mquery().limit(3).distinct();
}, /limit cannot be used with distinct/);
done();
})
it('skip', function(done){
assert.throws(function(){
var m = mquery().skip(3).distinct();
}, /skip cannot be used with distinct/);
done();
})
it('batchSize', function(done){
assert.throws(function(){
var m = mquery({}, { batchSize: 3 }).distinct();
}, /batchSize cannot be used with distinct/);
done();
})
it('comment', function(done){
assert.throws(function(){
var m = mquery().comment('mquery').distinct();
}, /comment cannot be used with distinct/);
done();
})
it('maxScan', function(done){
assert.throws(function(){
var m = mquery().maxScan(300).distinct();
}, /maxScan cannot be used with distinct/);
done();
})
it('snapshot', function(done){
assert.throws(function(){
var m = mquery().snapshot().distinct();
}, /snapshot cannot be used with distinct/);
done();
})
it('hint', function(done){
assert.throws(function(){
var m = mquery().hint({ x: 1 }).distinct();
}, /hint cannot be used with distinct/);
done();
})
it('tailable', function(done){
assert.throws(function(){
var m = mquery().tailable().distinct();
}, /tailable cannot be used with distinct/);
done();
})
})
})
describe('update', function(){
describe('with no callback', function(){
it('does not execute', function(){
var m = mquery();
assert.doesNotThrow(function () {
m.update({ name: 'old' }, { name: 'updated' }, { multi: true })
})
assert.doesNotThrow(function () {
m.update({ name: 'old' }, { name: 'updated' })
})
assert.doesNotThrow(function () {
m.update({ name: 'updated' })
})
assert.doesNotThrow(function () {
m.update()
})
})
})
it('is chainable', function(){
var m = mquery({x:1}).update({ y: 2 });
var n = m.where({y:2});
assert.equal(m, n);
assert.deepEqual(n._conditions, {x:1, y:2});
assert.deepEqual({ y: 2 }, n._update);
assert.equal('update', n.op);
});
it('merges update doc arg', function(){
var a = [1,2];
var m = mquery().where({ name: 'mquery' }).update({ x: 'stuff', a: a });
m.update({ z: 'stuff' });
assert.deepEqual(m._update, { z: 'stuff', x: 'stuff', a: a });
assert.deepEqual(m._conditions, { name: 'mquery' });
assert.ok(!m.options.overwrite);
m.update({}, { z: 'renamed' }, { overwrite: true });
assert.ok(m.options.overwrite === true);
assert.deepEqual(m._conditions, { name: 'mquery' });
assert.deepEqual(m._update, { z: 'renamed', x: 'stuff', a: a });
a.push(3);
assert.notDeepEqual(m._update, { z: 'renamed', x: 'stuff', a: a });
})
it('merges other options', function(){
var m = mquery();
m.setOptions({ overwrite: true });
m.update({ age: 77 }, { name: 'pagemill' }, { multi: true })
assert.deepEqual({ age: 77 }, m._conditions);
assert.deepEqual({ name: 'pagemill' }, m._update);
assert.deepEqual({ overwrite: true, multi: true }, m.options);
})
describe('executes', function(){
var id;
before(function (done) {
col.insert({ name: 'mquery update', age: 1 }, { safe: true }, function (err, res) {
id = res.insertedIds[0];
done();
});
});
after(function(done){
col.remove({ _id: id }, done);
})
describe('when conds + doc + opts + callback passed', function(){
it('works', function(done){
var m = mquery(col).where({ _id: id })
m.update({}, { name: 'Sparky' }, { safe: true }, function (err, res) {
assert.ifError(err);
assert.equal(res.result.n, 1);
m.findOne(function (err, doc) {
assert.ifError(err);
assert.equal(doc.name, 'Sparky');
done();
})
})
})
})
describe('when conds + doc + callback passed', function(){
it('works', function (done) {
var m = mquery(col).update({ _id: id }, { name: 'fairgrounds' }, function (err, num, doc) {
assert.ifError(err);
assert.ok(1, num);
m.findOne(function (err, doc) {
assert.ifError(err);
assert.equal(doc.name, 'fairgrounds');
done();
})
})
})
})
describe('when doc + callback passed', function(){
it('works', function (done) {
var m = mquery(col).where({ _id: id }).update({ name: 'changed' }, function (err, num, doc) {
assert.ifError(err);
assert.ok(1, num);
m.findOne(function (err, doc) {
assert.ifError(err);
assert.equal(doc.name, 'changed');
done();
})
})
})
})
describe('when just callback passed', function(){
it('works', function (done) {
var m = mquery(col).where({ _id: id });
m.setOptions({ safe: true });
m.update({ name: 'Frankenweenie' });
m.update(function (err, res) {
assert.ifError(err);
assert.equal(res.result.n, 1);
m.findOne(function (err, doc) {
assert.ifError(err);
assert.equal(doc.name, 'Frankenweenie');
done();
})
})
})
})
describe('without a callback', function(){
it('when forced by exec()', function(done){
var m = mquery(col).where({ _id: id });
m.setOptions({ safe: true, multi: true });
m.update({ name: 'forced' });
var update = m._collection.update;
m._collection.update = function (conds, doc, opts, cb) {
m._collection.update = update;
assert.ok(opts.safe);
assert.ok(true === opts.multi);
assert.equal('forced', doc.$set.name);
done();
}
m.exec()
})
})
describe('except when update doc is empty and missing overwrite flag', function(){
it('works', function (done) {
var m = mquery(col).where({ _id: id });
m.setOptions({ safe: true });
m.update({ }, function (err, num) {
assert.ifError(err);
assert.ok(0 === num);
setTimeout(function(){
m.findOne(function (err, doc) {
assert.ifError(err);
assert.equal(3, mquery.utils.keys(doc).length);
assert.equal(id, doc._id.toString());
assert.equal('Frankenweenie', doc.name);
done();
})
}, 300);
})
})
});
describe('when update doc is set with overwrite flag', function(){
it('works', function (done) {
var m = mquery(col).where({ _id: id });
m.setOptions({ safe: true, overwrite: true });
m.update({ all: 'yep', two: 2 }, function (err, res) {
assert.ifError(err);
assert.equal(res.result.n, 1);
m.findOne(function (err, doc) {
assert.ifError(err);
assert.equal(3, mquery.utils.keys(doc).length);
assert.equal('yep', doc.all);
assert.equal(2, doc.two);
assert.equal(id, doc._id.toString());
done();
})
})
})
})
describe('when update doc is empty with overwrite flag', function(){
it('works', function (done) {
var m = mquery(col).where({ _id: id });
m.setOptions({ safe: true, overwrite: true });
m.update({ }, function (err, res) {
assert.ifError(err);
assert.equal(res.result.n, 1);
m.findOne(function (err, doc) {
assert.ifError(err);
assert.equal(1, mquery.utils.keys(doc).length);
assert.equal(id, doc._id.toString());
done();
})
})
})
})
describe('when boolean (true) - exec()', function(){
it('works', function(done){
var m = mquery(col).where({ _id: id });
m.update({ name: 'bool' }).update(true);
setTimeout(function () {
m.findOne(function (err, doc) {
assert.ifError(err);
assert.ok(doc);
assert.equal('bool', doc.name);
done();
})
}, 300)
})
})
})
})
describe('remove', function(){
describe('with 0 args', function(){
var name = 'remove: no args test'
before(function(done){
col.insert({ name: name }, { safe: true }, done)
})
after(function(done){
col.remove({ name: name }, { safe: true }, done)
})
it('does not execute', function(done){
var remove = col.remove;
col.remove = function () {
col.remove = remove;
done(new Error('remove executed!'));
}
var m = mquery(col).where({ name: name }).remove()
setTimeout(function () {
col.remove = remove;
done();
}, 10);
})
it('chains', function(){
var m = mquery();
assert.equal(m, m.remove());
})
})
describe('with 1 argument', function(){
var name = 'remove: 1 arg test'
before(function(done){
col.insert({ name: name }, { safe: true }, done)
})
after(function(done){
col.remove({ name: name }, { safe: true }, done)
})
describe('that is a', function(){
it('plain object', function(){
var m = mquery(col).remove({ name: 'Whiskers' });
m.remove({ color: '#fff' })
assert.deepEqual({ name: 'Whiskers', color: '#fff' }, m._conditions);
})
it('query', function(){
var q = mquery({ color: '#fff' });
var m = mquery(col).remove({ name: 'Whiskers' });
m.remove(q)
assert.deepEqual({ name: 'Whiskers', color: '#fff' }, m._conditions);
})
it('function', function(done){
mquery(col, { safe: true }).where({name: name}).remove(function (err) {
assert.ifError(err);
mquery(col).findOne({ name: name }, function (err, doc) {
assert.ifError(err);
assert.equal(null, doc);
done();
})
});
})
it('boolean (true) - execute', function(done){
col.insert({ name: name }, { safe: true }, function (err) {
assert.ifError(err);
mquery(col).findOne({ name: name }, function (err, doc) {
assert.ifError(err);
assert.ok(doc);
mquery(col).remove(true);
setTimeout(function () {
mquery(col).find(function (err, docs) {
assert.ifError(err);
assert.ok(docs);
assert.equal(0, docs.length);
done();
})
}, 300)
})
})
})
})
})
describe('with 2 arguments', function(){
var name = 'remove: 2 arg test'
beforeEach(function(done){
col.remove({}, { safe: true }, function (err) {
assert.ifError(err);
col.insert([{ name: 'shelly' }, { name: name }], { safe: true }, function (err) {
assert.ifError(err);
mquery(col).find(function (err, docs) {
assert.ifError(err);
assert.equal(2, docs.length);
done();
})
})
})
})
describe('plain object + callback', function(){
it('works', function(done){
mquery(col).remove({ name: name }, function (err) {
assert.ifError(err);
mquery(col).find(function (err, docs) {
assert.ifError(err);
assert.ok(docs);
assert.equal(1, docs.length);
assert.equal('shelly', docs[0].name);
done();
})
});
})
})
describe('mquery + callback', function(){
it('works', function(done){
var m = mquery({ name: name });
mquery(col).remove(m, function (err) {
assert.ifError(err);
mquery(col).find(function (err, docs) {
assert.ifError(err);
assert.ok(docs);
assert.equal(1, docs.length);
assert.equal('shelly', docs[0].name);
done();
})
});
})
})
})
})
function validateFindAndModifyOptions (method) {
describe('validates its option', function(){
it('sort', function(done){
assert.doesNotThrow(function(){
var m = mquery().sort('x')[method]();
})
done();
})
it('select', function(done){
assert.doesNotThrow(function(){
var m = mquery().select('x')[method]();
})
done();
})
it('limit', function(done){
assert.throws(function(){
var m = mquery().limit(3)[method]();
}, new RegExp('limit cannot be used with ' + method));
done();
})
it('skip', function(done){
assert.throws(function(){
var m = mquery().skip(3)[method]();
}, new RegExp('skip cannot be used with ' + method));
done();
})
it('batchSize', function(done){
assert.throws(function(){
var m = mquery({}, { batchSize: 3 })[method]();
}, new RegExp('batchSize cannot be used with ' + method));
done();
})
it('maxScan', function(done){
assert.throws(function(){
var m = mquery().maxScan(300)[method]();
}, new RegExp('maxScan cannot be used with ' + method));
done();
})
it('snapshot', function(done){
assert.throws(function(){
var m = mquery().snapshot()[method]();
}, new RegExp('snapshot cannot be used with ' + method));
done();
})
it('hint', function(done){
assert.throws(function(){
var m = mquery().hint({ x: 1 })[method]();
}, new RegExp('hint cannot be used with ' + method));
done();
})
it('tailable', function(done){
assert.throws(function(){
var m = mquery().tailable()[method]();
}, new RegExp('tailable cannot be used with ' + method));
done();
})
it('comment', function(done){
assert.throws(function(){
var m = mquery().comment('mquery')[method]();
}, new RegExp('comment cannot be used with ' + method));
done();
})
})
}
describe('findOneAndUpdate', function(){
var name = 'findOneAndUpdate + fn'
validateFindAndModifyOptions('findOneAndUpdate');
describe('with 0 args', function(){
it('makes no changes', function(){
var m = mquery();
var n = m.findOneAndUpdate();
assert.deepEqual(m, n);
})
})
describe('with 1 arg', function(){
describe('that is an object', function(){
it('updates the doc', function(){
var m = mquery();
var n = m.findOneAndUpdate({ $set: { name: '1 arg' }});
assert.deepEqual(n._update, { $set: { name: '1 arg' }});
})
})
describe('that is a query', function(){
it('updates the doc', function(){
var m = mquery({ name: name }).update({ x: 1 });
var n = mquery().findOneAndUpdate(m);
assert.deepEqual(n._update, { x: 1 });
})
})
it('that is a function', function(done){
col.insert({ name: name }, { safe: true }, function (err) {
assert.ifError(err);
var m = mquery({ name: name }).collection(col);
name = '1 arg';
var n = m.update({ $set: { name: name }});
n.findOneAndUpdate(function (err, res) {
assert.ifError(err);
assert.ok(res.value);
assert.equal(name, res.value.name);
done();
});
})
})
})
describe('with 2 args', function(){
it('conditions + update', function(){
var m = mquery(col);
m.findOneAndUpdate({ name: name }, { age: 100 });
assert.deepEqual({ name: name }, m._conditions);
assert.deepEqual({ age: 100 }, m._update);
})
it('query + update', function(){
var n = mquery({ name: name });
var m = mquery(col);
m.findOneAndUpdate(n, { age: 100 });
assert.deepEqual({ name: name }, m._conditions);
assert.deepEqual({ age: 100 }, m._update);
})
it('update + callback', function(done){
var m = mquery(col).where({ name: name });
m.findOneAndUpdate({}, { $inc: { age: 10 }}, { new: true }, function (err, res) {
assert.ifError(err);
assert.equal(10, res.value.age);
done();
});
})
})
describe('with 3 args', function(){
it('conditions + update + options', function(){
var m = mquery();
var n = m.findOneAndUpdate({ name: name }, { works: true }, { new: false });
assert.deepEqual({ name: name}, n._conditions);
assert.deepEqual({ works: true }, n._update);
assert.deepEqual({ new: false }, n.options);
})
it('conditions + update + callback', function(done){
var m = mquery(col);
m.findOneAndUpdate({ name: name }, { works: true }, { new: true }, function (err, res) {
assert.ifError(err);
assert.ok(res.value);
assert.equal(name, res.value.name);
assert.ok(true === res.value.works);
done();
});
})
})
describe('with 4 args', function(){
it('conditions + update + options + callback', function(done){
var m = mquery(col);
m.findOneAndUpdate({ name: name }, { works: false }, { new: false }, function (err, res) {
assert.ifError(err);
assert.ok(res.value);
assert.equal(name, res.value.name);
assert.ok(true === res.value.works);
done();
});
})
})
})
describe('findOneAndRemove', function(){
var name = 'findOneAndRemove'
validateFindAndModifyOptions('findOneAndRemove');
describe('with 0 args', function(){
it('makes no changes', function(){
var m = mquery();
var n = m.findOneAndRemove();
assert.deepEqual(m, n);
})
})
describe('with 1 arg', function(){
describe('that is an object', function(){
it('updates the doc', function(){
var m = mquery();
var n = m.findOneAndRemove({ name: '1 arg' });
assert.deepEqual(n._conditions, { name: '1 arg' });
})
})
describe('that is a query', function(){
it('updates the doc', function(){
var m = mquery({ name: name });
var n = m.findOneAndRemove(m);
assert.deepEqual(n._conditions, { name: name });
})
})
it('that is a function', function(done){
col.insert({ name: name }, { safe: true }, function (err) {
assert.ifError(err);
var m = mquery({ name: name }).collection(col);
m.findOneAndRemove(function (err, res) {
assert.ifError(err);
assert.ok(res.value);
assert.equal(name, res.value.name);
done();
});
})
})
})
describe('with 2 args', function(){
it('conditions + options', function(){
var m = mquery(col);
m.findOneAndRemove({ name: name }, { new: false });
assert.deepEqual({ name: name }, m._conditions);
assert.deepEqual({ new: false }, m.options);
})
it('query + options', function(){
var n = mquery({ name: name });
var m = mquery(col);
m.findOneAndRemove(n, { sort: { x: 1 }});
assert.deepEqual({ name: name }, m._conditions);
assert.deepEqual({ sort: { 'x': 1 }}, m.options);
})
it('conditions + callback', function(done){
col.insert({ name: name }, { safe: true }, function (err) {
assert.ifError(err);
var m = mquery(col);
m.findOneAndRemove({ name: name }, function (err, res) {
assert.ifError(err);
assert.equal(name, res.value.name);
done();
});
});
})
it('query + callback', function(done){
col.insert({ name: name }, { safe: true }, function (err) {
assert.ifError(err);
var n = mquery({ name: name })
var m = mquery(col);
m.findOneAndRemove(n, function (err, res) {
assert.ifError(err);
assert.equal(name, res.value.name);
done();
});
});
})
})
describe('with 3 args', function(){
it('conditions + options + callback', function(done){
name = 'findOneAndRemove + conds + options + cb';
col.insert([{ name: name }, { name: 'a' }], { safe: true }, function (err) {
assert.ifError(err);
var m = mquery(col);
m.findOneAndRemove({ name: name }, { sort: { name: 1 }}, function (err, res) {
assert.ifError(err);
assert.ok(res.value);
assert.equal(name, res.value.name);
done();
});
})
})
})
})
describe('exec', function(){
beforeEach(function(done){
col.insert([{ name: 'exec', age: 1 }, { name: 'exec', age: 2 }], done);
})
afterEach(function(done){
mquery(col).remove(done);
})
it('requires an op', function(){
assert.throws(function () {
mquery().exec()
}, /Missing query type/);
})
describe('find', function() {
it('works', function(done){
var m = mquery(col).find({ name: 'exec' });
m.exec(function (err, docs) {
assert.ifError(err);
assert.equal(2, docs.length);
done();
})
})
it('works with readPreferences', function (done) {
var m = mquery(col).find({ name: 'exec' });
try {
var rp = new require('mongodb').ReadPreference('primary');
m.read(rp);
} catch (e) {
if (e.code === 'MODULE_NOT_FOUND')
e = null;
done(e);
return;
}
m.exec(function (err, docs) {
assert.ifError(err);
assert.equal(2, docs.length);
done();
})
})
});
it('findOne', function(done){
var m = mquery(col).findOne({ age: 2 });
m.exec(function (err, doc) {
assert.ifError(err);
assert.equal(2, doc.age);
done();
})
})
it('count', function(done){
var m = mquery(col).count({ name: 'exec' });
m.exec(function (err, count) {
assert.ifError(err);
assert.equal(2, count);
done();
})
})
it('distinct', function(done){
var m = mquery({ name: 'exec' });
m.collection(col);
m.distinct('age');
m.exec(function (err, array) {
assert.ifError(err);
assert.ok(Array.isArray(array));
assert.equal(2, array.length);
assert(~array.indexOf(1));
assert(~array.indexOf(2));
done();
});
})
describe('update', function(){
var num;
it('with a callback', function(done){
var m = mquery(col);
m.where({ name: 'exec' })
m.count(function (err, _num) {
assert.ifError(err);
num = _num;
m.setOptions({ multi: true })
m.update({ name: 'exec + update' });
m.exec(function (err, res) {
assert.ifError(err);
assert.equal(num, res.result.n);
mquery(col).find({ name: 'exec + update' }, function (err, docs) {
assert.ifError(err);
assert.equal(num, docs.length);
done();
})
})
})
})
describe('updateMany', function() {
it('works', function(done) {
mquery(col).updateMany({ name: 'exec' }, { name: 'test' }).
exec(function(error) {
assert.ifError(error);
mquery(col).count({ name: 'test' }).exec(function(error, res) {
assert.ifError(error);
assert.equal(res, 2);
done();
});
});
});
});
describe('updateOne', function() {
it('works', function(done) {
mquery(col).updateOne({ name: 'exec' }, { name: 'test' }).
exec(function(error) {
assert.ifError(error);
mquery(col).count({ name: 'test' }).exec(function(error, res) {
assert.ifError(error);
assert.equal(res, 1);
done();
});
});
});
});
describe('replaceOne', function() {
it('works', function(done) {
mquery(col).replaceOne({ name: 'exec' }, { name: 'test' }).
exec(function(error) {
assert.ifError(error);
mquery(col).findOne({ name: 'test' }).exec(function(error, res) {
assert.ifError(error);
assert.equal(res.name, 'test');
assert.ok(res.age == null);
done();
});
});
});
});
it('without a callback', function(done){
var m = mquery(col)
m.where({ name: 'exec + update' }).setOptions({ multi: true })
m.update({ name: 'exec' });
// unsafe write
m.exec();
setTimeout(function () {
mquery(col).find({ name: 'exec' }, function (err, docs) {
assert.ifError(err);
assert.equal(2, docs.length);
done();
})
}, 200)
})
it('preserves key ordering', function(done) {
var m = mquery(col);
var m2 = m.update({ _id : 'something' }, { '1' : 1, '2' : 2, '3' : 3});
var doc = m2._updateForExec().$set;
var count = 0;
for (var i in doc) {
if (count == 0) {
assert.equal('1', i);
} else if (count == 1) {
assert.equal('2', i);
} else if (count ==2) {
assert.equal('3', i);
}
count++;
}
done();
});
})
describe('remove', function(){
it('with a callback', function(done){
var m = mquery(col).where({ age: 2 }).remove();
m.exec(function (err, res) {
assert.ifError(err);
assert.equal(1, res.result.n);
done();
})
})
it('without a callback', function(done){
var m = mquery(col).where({ age: 1 }).remove();
m.exec();
setTimeout(function () {
mquery(col).where('name', 'exec').count(function(err, num) {
assert.equal(1, num);
done();
})
}, 200)
})
})
describe('deleteOne', function(){
it('with a callback', function(done){
var m = mquery(col).where({ age: { $gte: 0 } }).deleteOne();
m.exec(function (err, res) {
assert.ifError(err);
assert.equal(res.result.n, 1);
done();
})
})
it('with justOne set', function(done){
var m = mquery(col).where({ age: { $gte: 0 } }).
// Should ignore `justOne`
setOptions({ justOne: false }).
deleteOne();
m.exec(function (err, res) {
assert.ifError(err);
assert.equal(res.result.n, 1);
done();
})
})
})
describe('deleteMany', function(){
it('with a callback', function(done){
var m = mquery(col).where({ age: { $gte: 0 } }).deleteMany();
m.exec(function (err, res) {
assert.ifError(err);
assert.equal(res.result.n, 2);
done();
})
})
})
describe('findOneAndUpdate', function(){
it('with a callback', function(done){
var m = mquery(col);
m.findOneAndUpdate({ name: 'exec', age: 1 }, { $set: { name: 'findOneAndUpdate' }});
m.exec(function (err, res) {
assert.ifError(err);
assert.equal('findOneAndUpdate', res.value.name);
done();
});
})
})
describe('findOneAndRemove', function(){
it('with a callback', function(done){
var m = mquery(col);
m.findOneAndRemove({ name: 'exec', age: 2 });
m.exec(function (err, res) {
assert.ifError(err);
assert.equal('exec', res.value.name);
assert.equal(2, res.value.age);
mquery(col).count({ name: 'exec' }, function (err, num) {
assert.ifError(err);
assert.equal(1, num);
done();
});
});
})
})
})
describe('setTraceFunction', function() {
beforeEach(function(done){
col.insert([{ name: 'trace', age: 93 }], done);
})
it('calls trace function when executing query', function(done) {
var m = mquery(col);
var resultTraceCalled;
m.setTraceFunction(function (method, queryInfo) {
try {
assert.equal('findOne', method);
assert.equal('trace', queryInfo.conditions.name);
} catch (e) {
done(e);
}
return function(err, result, millis) {
try {
assert.equal(93, result.age);
} catch (e) {
done(e);
}
resultTraceCalled = true;
};
});
m.findOne({name: 'trace'}, function (err, doc) {
assert.ifError(err);
assert.equal(resultTraceCalled, true);
assert.equal(93, doc.age);
done();
});
});
it('inherits trace function when calling toConstructor', function(done) {
function traceFunction () { return function() {} };
var tracedQuery = mquery().setTraceFunction(traceFunction).toConstructor();
var query = tracedQuery();
assert.equal(traceFunction, query._traceFunction);
done();
});
});
describe('thunk', function() {
it('returns a function', function(done) {
assert.equal('function', typeof mquery().thunk());
done();
});
it('passes the fn arg to `exec`', function(done) {
function cb() {}
var m = mquery();
m.exec = function testing(fn) {
assert.equal(this, m);
assert.equal(cb, fn);
done();
}
m.thunk()(cb);
});
});
describe('then', function() {
before(function(done){
col.insert([{ name: 'then', age: 1 }, { name: 'then', age: 2 }], done);
})
after(function(done){
mquery(col).remove({ name: 'then' }).exec(done);
})
it('returns a promise A+ compat object', function(done) {
var m = mquery(col).find();
assert.equal('function', typeof m.then);
done();
});
it('creates a promise that is resolved on success', function(done) {
var promise = mquery(col).count({ name: 'then' }).then();
promise.then(function(count){
assert.equal(2, count);
done();
}, done);
});
it('supports exec() cb being called synchronously #66', function(done) {
var query = mquery(col).count({ name: 'then' });
query.exec = function(cb) {
cb(null, 66);
}
query.then(success, done);
function success(count){
assert.equal(66, count);
done();
}
});
it('supports other Promise libs', function(done) {
var bluebird = mquery.Promise;
// hack for testing
mquery.Promise = function P() {
mquery.Promise = bluebird;
this.then = function(x, y) {
return x + y;
}
}
var val = mquery(col).count({ name: 'exec' }).then(1, 2);
assert.equal(val, 3);
done();
});
});
describe('stream', function() {
before(function(done){
col.insert([{ name: 'stream', age: 1 }, { name: 'stream', age: 2 }], done);
})
after(function(done){
mquery(col).remove({ name: 'stream' }).exec(done);
})
describe('throws', function() {
describe('if used with non-find operations', function() {
var ops = ['update', 'findOneAndUpdate', 'remove', 'count', 'distinct'];
ops.forEach(function(op) {
assert.throws(function(){
mquery(col)[op]().stream();
});
});
});
});
it('returns a stream', function(done) {
var stream = mquery(col).find({ name: 'stream' }).stream();
var count = 0;
var err;
stream.on('data', function(doc){
assert.equal('stream', doc.name);
++count;
});
stream.on('error', function(er) {
err = er;
});
stream.on('end', function(){
if (err) return done(err);
assert.equal(2, count);
done();
});
});
});
function noDistinct (type) {
it('cannot be used with distinct()', function(done){
assert.throws(function () {
mquery().distinct('name')[type](4);
}, new RegExp(type + ' cannot be used with distinct'));
done();
})
}
function no (method, type) {
it('cannot be used with ' + method + '()', function(done){
assert.throws(function () {
mquery()[method]()[type](4);
}, new RegExp(type + ' cannot be used with ' + method));
done();
})
}
// query internal
describe('_updateForExec', function(){
it('returns a clone of the update object with same key order #19', function(done){
var update = {};
update.$push = { n: { $each: [{x:10}], $slice: -1, $sort: {x:1}}};
var q = mquery().update({ x: 1 }, update);
// capture original key order
var order = [];
for (var key in q._update.$push.n) {
order.push(key);
}
// compare output
var doc = q._updateForExec();
var i = 0;
for (var key in doc.$push.n) {
assert.equal(key, order[i]);
i++;
}
done();
})
})
})