Meteor Test: find docs in collection where array field contains any value in a set.

.gitignore

.meteor

readme.md

How to run:

1. establish a meteor environment.

    cd /tmp
    meteor create app

2. init git.

    cd /tmp/app
    git init

3. pull sources from gist

    git remote add gist <gist clone url>
    git fetch gist
    git checkout -f master
    git clean -f

4. run app. only outputs to server console.

    meteor

app.js

var Things = new Mongo.Collection('things');

if (Meteor.isServer) {
  Meteor.startup(function () {
    Things.remove({});

    Things.insert({ roles: [1, 2, 3] });
    Things.insert({ roles: [4, 5, 6] });
    Things.insert({ roles: [7, 8, 9] });
    Things.insert({ roles: [1, 4, 7] });
    Things.insert({ roles: [2, 5, 8] });
    Things.insert({ roles: [3, 6, 9] });

    var out = Things.find({ roles: { $in: [1, 3, 4] } }).fetch();


    console.log('find roles with', [1, 3, 4]);
    console.log('in', Things.find().fetch());
    console.log('result', out);
  });
}