set up scaffolding for tests

.gitignore

@@ -5,10 +5,10 @@
 #   git config --global core.excludesfile ~/.gitignore_global
 
 #assety stuff
-realtime/node_modules
 public/assets
 public/metamaps_mobile
 vendor/
+node_modules
 
 #secrets and config
 .env

app/assets/javascripts/README-testing-js.md

@@ -0,0 +1,9 @@
+Change directories to where this file is, and then run 
+
+    npm install
+
+to set up your testing environment. Then use
+
+    npm run test
+
+to see the results of testing the current javascript files.

app/assets/javascripts/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "metamaps-frontend",
+  "version": "1.0.0",
+  "description": "Metamaps frontend - currently just tests",
+  "scripts": {
+    "test": "mocha test || echo 'Run `npm install` to setup testing'"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/metamaps/metamaps.git"
+  },
+  "author": "",
+  "license": "AGPL-3.0",
+  "bugs": {
+    "url": "https://github.com/metamaps/metamaps/issues"
+  },
+  "homepage": "https://github.com/metamaps/metamaps#readme",
+  "devDependencies": {
+    "chai": "^3.5.0",
+    "mocha": "^2.4.5"
+  }
+}

app/assets/javascripts/src/Metamaps.Import.js

@@ -320,3 +320,5 @@ Metamaps.Import = {
     Metamaps.Synapse.renderSynapse(mapping, synapse, node1, node2, true)
   }
 }
+
+module.exports = Metamaps.Import

app/assets/javascripts/test/Metamaps.Import.spec.js

@@ -0,0 +1,13 @@
+var chai = require('chai')
+var expect = chai.expect
+
+Metamaps = {}
+Metamaps.Import = require('../src/Metamaps.Import')
+
+describe('Metamaps.Import.js', function() {
+  it('has a topic whitelist', function() {
+    expect(Metamaps.Import.topicWhitelist).to.deep.equal(
+      ['id', 'name', 'metacode', 'x', 'y', 'description', 'link', 'permission']
+    )
+  })
+})