Refactor CLI and add tests

test/server/mixins.js

@@ -0,0 +1,38 @@
+var assert = require('assert')
+var _ = require('lodash')
+var _db = require('underscore-db')
+var mixins = require('../../src/server/mixins')
+
+/* global describe, it */
+
+describe('mixins', function () {
+
+  describe('getRemovable', function () {
+
+    it('should return removable documents', function () {
+
+      var db = {
+        posts: [
+          {id: 1, comment: 1}
+        ],
+        comments: [
+          {id: 1, postId: 1},
+          // Comments below references a post that doesn't exist
+          {id: 2, postId: 2},
+          {id: 3, postId: 2}
+        ]
+      }
+
+      var expected = [
+        {name: 'comments', id: 2},
+        {name: 'comments', id: 3}
+      ]
+
+      _.mixin(_db)
+      _.mixin(mixins)
+
+      assert.deepEqual(_.getRemovable(db), expected)
+
+    })
+  })
+})