Adding find functions and tests to comment model.

tests/index.js

@@ -1,10 +1,12 @@
 /* eslint-env node, mocha */
 'use strict';
 
+// require('./utils/mongoose')
 const expect = require('chai').expect;
 
+
 describe('Comment', () => {
-  describe.only('#add', () => {
+  describe('#add', () => {
     it('should add a comment', () => {
       expect(0).to.be.equal(0);
     });

tests/models/comment.js

@@ -0,0 +1,46 @@
+/* eslint-env node, mocha */
+
+require('../utils/mongoose');
+const Comment = require('../../models/comment');
+const expect = require('chai').expect;
+
+describe('Comment: models', () => {
+  var mockComments
+  beforeEach(() => {
+    return Comment.create([{
+      body: 'comment 1',
+      asset_id: '123'
+    },{
+      body: 'comment 2',
+      asset_id: '123'
+    },{
+      body: 'comment 3',
+      asset_id: '456'
+    }]).then((comments) => {
+      mockComments = comments
+    });
+  });
+
+  describe('#findById()', () => {
+    it('should find a comment by id', () => {
+      return Comment.findById(mockComments[0].id).then((result) => {
+        expect(result).to.have.property('body')
+          .and.to.equal('comment 1');
+      });
+    });
+  });
+
+  describe('#findByAssetId()', () => {
+    it('should find an array of comments by asset id', () => {
+      return Comment.findByAssetId('123').then((result) => {
+        expect(result).to.have.length(2);
+        expect(result[0]).to.have.property('body')
+          .and.to.equal('comment 1');
+        expect(result[1]).to.have.property('body')
+          .and.to.equal('comment 2');
+      });
+    });
+  });
+
+  // });
+});

tests/utils/mongoose.js

@@ -0,0 +1,37 @@
+//  Modified from https://github.com/elliotf/mocha-mongoose
+
+var mongoose = require('mongoose');
+
+
+// ensure the NODE_ENV is set to 'test'
+// this is helpful when you would like to change behavior when testing
+process.env.NODE_ENV = 'test';
+
+beforeEach(function (done) {
+
+
+  function clearDB() {
+    for (var i in mongoose.connection.collections) {
+      mongoose.connection.collections[i].remove(function() {});
+    }
+    return done();
+  }
+
+
+  if (mongoose.connection.readyState === 0) {
+    mongoose.connect('coral-talk-test', function (err) {
+      if (err) {
+        throw err;
+      }
+      return clearDB();
+    });
+  } else {
+    return clearDB();
+  }
+});
+
+
+after(function (done) {
+  mongoose.disconnect();
+  return done();
+});