tests are working

stephen_schroeder/.gitignore

@@ -1,3 +1,4 @@
 .git
 node_modules
 DS_Store
+log**

stephen_schroeder/gulpfile.js

@@ -10,7 +10,7 @@ gulp.task('test:mocha', () => {
 });
 
 gulp.task('lint:tests', () => {
-  return gulp.src('./test/**/*test.js')
+  return gulp.src('./test/*.js')
   .pipe(eslint())
   .pipe(eslint.format());
 });

stephen_schroeder/index.js

@@ -1 +1,3 @@
-module.exports = require(__dirname + '/client_server');
+const server = require(__dirname + '/lib/server');
+
+server.start();

stephen_schroeder/lib/identifier.js

@@ -0,0 +1,6 @@
+exports.generate = function() {
+  var timestamp = (new Date()).toString();
+  var dateString = timestamp.substring(4, 15).replace(/\s/g, '-');
+  var timeString = timestamp.substring(16, 24).replace(/:/g, '');
+  return '/log_' + dateString + '_' + timeString + '.txt';
+};

stephen_schroeder/lib/server.js

@@ -0,0 +1,17 @@
+const net = require('net');
+const fs = require('fs');
+const identifier = require(__dirname + '/identifier');
+
+var start = exports.start = (filepath) => {
+  var server = net.createServer((socket) => {
+    filepath = filepath || __dirname + '/..' + identifier.generate();
+    var fileStream = fs.createWriteStream(filepath);
+    socket.pipe(fileStream);
+    socket.write('Request received');
+    socket.end();
+    console.log('TCP request logged in ' + filepath);
+  });
+
+  server.listen(3000, () => {console.log('server running on port 3000');
+  });
+};

stephen_schroeder/package.json

@@ -21,7 +21,6 @@
     "eslint": "^2.10.2",
     "gulp": "^3.9.1",
     "gulp-eslint": "^2.0.0",
-    "gulp-mocha": "^2.2.0",
-    "mocha": "^2.4.5"
+    "gulp-mocha": "^2.2.0"
   }
 }

stephen_schroeder/test/id_test.js

@@ -0,0 +1,20 @@
+const expect = require('chai').expect;
+const identifier = require(__dirname + '/../lib/identifier');
+
+describe('Identifier generate function', () => {
+  it('should return a filename with .txt extension', () => {
+    var filename = identifier.generate();
+    expect(typeof filename).to.eql('string');
+    expect(filename.startsWith('/log_')).to.eql(true);
+    expect(filename.endsWith('.txt')).to.eql(true);
+  });
+
+  it('should return a unique filename', (done) => {
+    var filename1 = identifier.generate();
+    setTimeout(() => {
+      var filename2 = identifier.generate();
+      expect(filename1).to.not.eql(filename2);
+      done();
+    }, 1500);
+  });
+});

stephen_schroeder/test/server_test.js

@@ -0,0 +1,36 @@
+const expect = require('chai').expect;
+const net = require('net');
+const fs = require('fs');
+const server = require(__dirname + '/../lib/server');
+
+describe('TCP server', () => {
+  var requestString = 'Hello World\r\n';
+  var filepath = __dirname + '/../log_test.txt';
+
+  before((done) => {
+    server.start(filepath);
+    var client = net.createConnection(3000, () => {
+      console.log('Connected to server');
+      client.write(requestString);
+      done();
+    });
+  });
+
+  it('should write request to newly created text file', (done) => {
+    fs.readFile(filepath, (err, data) => {
+      if (err) {
+        expect(true).to.eql(false);
+        console.log(err);
+        return done();
+      }
+      expect(data.toString()).to.eql(requestString);
+      done();
+    });
+  });
+
+  after(() => {
+    fs.unlink(filepath, (err) => {
+      if (err) console.log(err);
+    });
+  });
+});