file_read works, made best attempt on testing

zach/data/one.txt

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+ONE IS MY NUMBER

zach/data/three.txt

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+THREE IS MY NUMBER

zach/data/two.txt

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+TWO IS MY NUMBER

zach/file_read.js

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+const fs = require('fs');
+const EventEmitter = require('events').EventEmitter;
+const ee = new EventEmitter();
+module.exports = exports = {};
+module.exports.results = [];
+
+var reader = module.exports.reader = function (file, callback) {
+  fs.readFile('./data/' + file + '.txt', (err, data) => {
+    if (err) return console.log(err);
+    var fileText = data.toString('hex', 0, 8);
+    console.log(fileText);
+    module.exports.results.push(fileText);
+    debugger;
+    ee.emit('file ' + file + ' read');
+    if (callback == true && file == 'three') {
+      callback();
+    }
+  })
+}
+
+ee.on('file one read', () => {
+  reader('two');
+})
+
+ee.on('file two read', () => {
+  reader('three');
+})
+
+reader('one');
+
+debugger;

zach/package.json

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+{
+  "name": "zach",
+  "version": "1.0.0",
+  "description": "should console.log the first 8 bytes of three files in order",
+  "main": "file_read.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "zach simonson",
+  "license": "ISC",
+  "devDependencies": {
+    "chai": "^3.5.0",
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^2.0.0",
+    "gulp-mocha": "^2.2.0",
+    "mocha": "^2.4.5"
+  }
+}

zach/test/test.js

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+var mocha = require('mocha');
+var expect = require('chai').expect;
+var readerFile = require('../file_read.js');
+
+describe('Reader', function() {
+  before(function(done) {
+    readerFile.reader('one', done);
+  });
+  it('it should read the first file and return the correct string of eight hexes', function() {
+    var results = readerFile.results[0];
+    var expected = '4f4e45204953204d';
+
+    expect(results).to.deep.equal(expected);
+  });
+  it('it should read the second file and return the correct string of eight hexes', function() {
+    var results = readerFile.results[1];
+    var expected = '54574f204953204d';
+
+    expect(results).to.deep.equal(expected);
+
+  });
+  it('it should read the third file and return the correct string of eight hexes', function() {
+    var results = readerFile.results[2];
+    var expected = '5448524545204953';
+
+    expect(results).to.deep.equal(expected);
+  })
+})