 Repo        = require '../lib/argumenta/repo'
 Objects     = require '../lib/argumenta/objects'
 fixtures    = require '../test/fixtures'
+_           = require 'underscore'
 should      = require 'should'
 
 {Argument, Proposition, Commit, Tag} = Objects

            storage.getTagsFor targetHashes, (err, tags) ->
              should.not.exist err
              tags.length.should.equal 2
              should.ok tag1.equals tags[0]
              should.ok tag2.equals tags[1]
              done()

    describe 'getTagsPlusSources( targetHashes, callback )', ->

              tags.length.should.equal 2
              sources.length.should.equal 0
              commits.length.should.equal 2
              should.ok _.some tags, (t) -> t.equals tag1
              should.ok _.some tags, (t) -> t.equals tag2
              should.ok _.some commits, (c) -> c.equals tag1Commit
              should.ok _.some commits, (c) -> c.equals tag2Commit
              done()

      it 'should retrieve support tags, sources, and commits', (done) ->
