Starting tests with npm, nmcli basics (to be extended on linux machine)

.gitignore

@@ -1,2 +1,2 @@
 .idea
-node-modules
+node_modules

lib/nmcli.js

@@ -1,5 +1,51 @@
 /**
+ * Scanning WiFis on Mac OS X using nmcli
  * Created by kc on 04.04.16.
  */
 
-// nmcli -m tabular -f SSID,BSSID,SIGNAL,FREQ device wifi
+const _ = require('lodash');
+const tool    = '/usr/bin/nmcli';
+const cmdLine = tool + ' -m tabular -f SSID,BSSID,SIGNAL,FREQ device wifi';
+
+const macRegex = /([0-9a-zA-Z]{1}[0-9a-zA-Z]{1}[:]{1}){5}[0-9a-zA-Z]{1}[0-9a-zA-Z]{1}/;
+/**
+ * Parsing the output of nmcli
+ * @param str output of the tool
+ * @param callback
+ */
+function parseOutput(str, callback) {
+  var err = null;
+
+  try {
+    var lines      = str.split('\n');
+    var wifis = [];
+
+    for (var i = 1, l = lines.length; i < l; i++) {
+      var mac = lines[i].match(macRegex);
+      if (!mac) {
+        continue;
+      }
+      var macStart = lines[i].indexOf(mac[0]);
+      var elements = lines[i].substr(macStart).split(/[ ]+/);
+      wifis.push({
+        'ssid'    : _.trim(lines[i].substr(0, macStart), ' \''),
+        'mac'     : elements[0].trim(),
+        'channel' : parseInt(elements[2].trim(), 10),
+        'rssi'    : parseInt(elements[1].trim()),
+        'security': 'TODO'
+      });
+    }
+  }
+  catch (ex) {
+    err = ex;
+  }
+
+  callback(err, wifis);
+}
+
+
+module.exports = {
+  parseOutput: parseOutput,
+  cmdLine    : cmdLine,
+  tool       : tool
+};

package.json

@@ -14,6 +14,7 @@
     "url": "http://www.kusti.ch/"
   },
   "homepage": "http://www.ferropoly.ch/",
+  "license": "MIT",
   "repository": {
     "type": "git",
     "url": "https://github.com/ancasicolica/node-wifi-scanner.git"
@@ -21,5 +22,11 @@
   "engines": {
     "node": ">= 4.4.0",
     "npm": ">= 2.14.0"
+  },
+  "scripts": {
+    "test": "mocha test"
+  },
+  "dependencies": {
+    "lodash": "4.8.1"
   }
 }

test/airport.js

@@ -46,7 +46,6 @@ describe('airport', () => {
 
   it('parses the output of file 2', function(done) {
     airport.parseOutput(fs.readFileSync(path.join(__dirname, 'fixtures','airport','airport02.txt'), { encoding: 'utf8' }), (err, info) => {
-      console.log(info);
       assert.ok(info);
       assert.equal(info.length, 4);
 

test/nmcli.js

@@ -0,0 +1,26 @@
+/**
+ * nmcli unit test
+ * Created by kc on 04.04.16.
+ */
+
+const fs = require('fs');
+const path = require('path');
+const assert = require('assert');
+
+const nmcli = require('../lib/nmcli');
+
+describe.skip('nmcli', () => {
+  it('parses the output of file 1', function(done) {
+    nmcli.parseOutput(fs.readFileSync(path.join(__dirname, 'fixtures','nmcli','nmcli01.txt'), { encoding: 'utf8' }), (err, info) => {
+
+      console.log(info);
+      assert.ok(info);
+      assert.equal(info.length, 36);
+
+
+
+      done(err);
+    });
+  });
+
+});