Add tests for channel parsing of airport

.gitignore

@@ -0,0 +1 @@
+node_modules

lib/airport.js

@@ -37,3 +37,4 @@ function scan(callback) {
 
 exports.scan = scan;
 exports.utility = macProvider;
+exports.parse = parseAirport;

package.json

@@ -1,11 +1,17 @@
 {
-	"name" : "node-wifiscanner",
-    "version" : "0.2.0",
-    "description" : "Scan surrounding WiFi access points",
-    "author": "Maurice Svay <maurice@svay.com>",
-    "main": "./lib/wifiscanner",
-    "repository": {
-        "type": "git",
-        "url": "git://https://github.com/mauricesvay/node-wifiscanner.git"
-    }
+  "name": "node-wifiscanner",
+  "version": "0.2.0",
+  "description": "Scan surrounding WiFi access points",
+  "author": "Maurice Svay <maurice@svay.com>",
+  "main": "./lib/wifiscanner",
+  "repository": {
+    "type": "git",
+    "url": "git://https://github.com/mauricesvay/node-wifiscanner.git"
+  },
+  "devDependencies": {
+    "mocha": "^2.2.5"
+  },
+  "scripts": {
+    "test": "mocha tests/*.js"
+  }
 }

tests/airport.js

@@ -0,0 +1,22 @@
+'use strict';
+
+var fs = require('fs');
+var assert = require('assert');
+
+var airport = require('../lib/airport');
+
+describe('Airport', function() {
+	it('parses channel information', function() {
+		var aps = airport.parse(fs.readFileSync('./tests/fixtures/airport/basic.txt', { encoding: 'utf8' }));
+		assert.ok(aps);
+		assert.equal(aps.length, 1);
+		assert.deepEqual(aps[0].channel, '1');
+	});
+
+	it('handles APs with multiple channels', function() {
+		var aps = airport.parse(fs.readFileSync('./tests/fixtures/airport/multi-channel.txt', { encoding: 'utf8' }));
+		assert.ok(aps);
+		assert.equal(aps.length, 1);
+		assert.deepEqual(aps[0].channel, '157,+1');
+	});
+});

tests/fixtures/airport/basic.txt

@@ -0,0 +1,2 @@
+                            SSID BSSID             RSSI CHANNEL HT CC SECURITY (auth/unicast/group)
+                          testap 40:16:7e:5f:ca:70 0    1       Y  -- WPA2(PSK/AES/AES)  

tests/fixtures/airport/multi-channel.txt

@@ -0,0 +1,2 @@
+                            SSID BSSID             RSSI CHANNEL HT CC SECURITY (auth/unicast/group)
+                          testap 40:16:7e:5f:ca:74 -47  157,+1  Y  -- WPA2(PSK/AES/AES)