Ron Cowsay

lab-ron/.eslintignore

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+**/node_modules/*
+**/vendor/*
+**/*.min.js
+**/coverage/*
+**/build/*

lab-ron/.eslintrc.json

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+{
+  "env": {
+    "browser": true,
+    "node": true,
+    "commonjs": true,
+    "jest": true,
+    "es6": true
+  },
+  "globals": {
+    "err": true,
+    "req": true,
+    "res": true,
+    "next": true
+  },
+  "extends": "eslint:recommended",
+  "parserOptions": {
+    "sourceType": "module"
+  },
+  "rules": {
+    "no-console": "off",
+    "indent": [ "error", 2 ],
+    "quotes": ["error", "single", { "allowTemplateLiterals": true }],
+    "comma-dangle": ["error", "always-multiline"],
+    "semi": [ "error", "always" ]
+  }
+}

lab-ron/.gitignore

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+# Created by https://www.gitignore.io/api/osx,linux,node,vim
+
+### OSX ###
+.DS_Store
+.AppleDouble
+.LSOverride
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules
+jspm_packages
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+### Vim ###
+# swap
+[._]*.s[a-w][a-z]
+[._]s[a-w][a-z]
+# session
+Session.vim
+# temporary
+.netrwhist
+*~
+
+# auto-generated tag files
+tags
+
+###### Personal
+.tern-project
+.env
+temp

lab-ron/README.md

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+# http server
+

lab-ron/__test__/server.test.js

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+'use strict';
+
+let apiURL = `http://localhost:3000`;
+
+const superagent = require('superagent');
+describe('POST /api/cowsay', () => {
+  test('200 OK returns cowsay message', () => {
+    return superagent.post(`${apiURL}/api/cowsay`)
+      .send({
+        text: 'hello world',
+      })
+      .then(res => {
+        console.log('HELLO WORLD', res.body);
+        expect(res.status).toEqual(200);
+        expect(res.body).toEqual({ message: ` _____________\n< hello world >\n -------------\n        \\   ^__^\n         \\  (oo)\\_______\n            (__)\\       )\\/\\\n                ||----w |\n                ||     ||` }
+        );
+      });
+  });
+
+  test('400 Bad Request', () => {
+    return superagent.post(`${apiURL}/api/cowsay`)
+      .set({ 'Content-Type': 'application/json' })
+      .send('{')
+      .then(Promise.reject)
+      .catch(res => {
+        expect(res.status).toEqual(400);
+        expect(res.response.text).toEqual('bad request');
+      });
+  });
+
+  test('404 Not found', () => {
+    let tempPath = 'lulwat';
+    return superagent.get(`${apiURL}/${tempPath}`)
+      .then(Promise.reject)
+      .catch(res => {
+        expect(res.status).toEqual(404);
+        expect(res.response.text).toEqual(`resource /${tempPath} not found!`);
+      });
+  });
+
+});

lab-ron/index.js

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+'use strict';
+
+// load environment
+require('dotenv').config();
+
+// load dependencies
+const server = require('./lib/server.js');
+
+// start server
+server.start(process.env.PORT, () =>
+  console.log('server up ::', process.env.PORT));

lab-ron/lib/request-parser.js

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+'use strict';
+
+const url = require('url');
+const queryString = require('querystring');
+
+
+module.exports = (req) => {
+  return new Promise((resolve, reject) => {
+    req.url = url.parse(req.url);
+    req.url.query = queryString.parse(req.url.query);
+
+    if (!(req.method === 'POST' || req.method === 'PUT'))
+      return resolve(req);
+
+    let text = '';
+    req.on('data', (buffer) => {
+      text += buffer.toString();
+    });
+
+    req.on('end', () => {
+      try {
+        req.body = JSON.parse(text);
+        resolve(req);
+      } catch (err) {
+        reject(err);
+      }
+    });
+  });
+};

lab-ron/lib/server.js

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+// node dependencies
+const http = require('http');
+const requestParser = require('./request-parser.js');
+const cowsay = require('cowsay');
+
+const app = http.createServer((req, res) => {
+
+  requestParser(req)
+    .then(req => {
+      if (req.method === 'GET' && req.url.pathname === '/') {
+        res.writeHead(200, {
+          'Content-Type': 'text/html',
+        });
+        res.write(`
+        <!DOCTYPE html><html>
+        <head><title>Welcome To Cowsay</title></head><body><header>
+        <h1>CowSay</h1>
+        <nav><ul>
+        <li><a href="/">home</a></li>
+        <li><a href="/cowsay">cowsay</a></li>
+        </ul></nav></header><main>
+        <p>Welcome to cowsay, navigate click on the </p></main></body></html>
+        `);
+        res.end();
+        return;
+      }
+      if (req.method === 'GET' &&
+        req.url.pathname === '/cowsay') {
+
+        let message = '';
+        if (req.url.query.text)
+          message = req.url.query.text;
+        else
+          message = 'I need something to say!!';
+        res.writeHead(200, { 'Content-Type': 'text/html' });
+        res.write(`
+        <!DOCTYPE html>
+        <html>
+          <head>
+            <title> cowsay </title>  
+          </head>
+          <body>
+            <h1> cowsay </h1>
+            <p>Make the cow say</p>
+            <pre>
+               ${cowsay.say({ text: message })} 
+            </pre>
+            <p>at the end of the URL type <b>/cowsay?text=<i>your message here</i></b></p>
+          </body>
+        </html>`);
+
+        console.log('req.url.pathname', req.url.query);
+        res.end();
+        return;
+      }
+      if (req.method === 'POST' && req.url.pathname === '/api/cowsay') {
+        res.writeHead(200, { 'Content-Type': 'application/json' });
+        res.write(JSON.stringify({ message: cowsay.say(req.body) }));
+        res.end();
+        return;
+      }
+      res.writeHead(404, { 'Content-Type': 'text/plain' });
+      res.write(`resource ${req.url.pathname} not found!`);
+      console.log(res); // testing
+      res.end();
+    })
+    .catch(err => {
+      console.log(err);
+      res.writeHead(400, {
+        'Content-Type': 'text/plain',
+      });
+      res.write('bad request');
+      res.end();
+    });
+});
+
+// export interface
+module.exports = {
+  start: (port, callback) => app.listen(port, callback),
+  stop: (callback) => app.close(callback),
+};