Added basic support for tests.

Makefile

@@ -0,0 +1,4 @@
+test:
+	NODE_ENV=test ./node_modules/mocha/bin/mocha --recursive --timeout 5000 --reporter spec
+
+.PHONY: test

package.json

@@ -1,9 +1,9 @@
 {
-  "name"        : "netfilter",
-  "version"     : "0.2.3",
-  "description" : "Packet filtering framework. Wrapper to provide netfilter capabilities from Node.js",
-  "main"        : "index.js",
-  "keywords"    : [
+  "name"           : "netfilter",
+  "version"        : "0.2.3",
+  "description"    : "Packet filtering framework. Wrapper to provide netfilter capabilities from Node.js",
+  "main"           : "index.js",
+  "keywords"       : [
     "stateless",
     "stateful",
     "packet",
@@ -27,28 +27,32 @@
     "alias",
     "set"
   ],
-  "dependencies": {
+  "dependencies"   : {
     "async"        : "~0.9.0",
     "process-queue": "^1.0.1",
     "shell-quote"  : "^1.4.2"
   },
-  "engines"     : {
+  "devDependencies": {
+    "should"   : "~4.0.4",
+    "mocha"    : "~1.20.1"
+  },
+  "engines"        : {
     "node": ">=0.8.0"
   },
-  "homepage"    : "https://github.com/diosney/node-netfilter",
-  "bugs"        : {
+  "homepage"       : "https://github.com/diosney/node-netfilter",
+  "bugs"           : {
     "url": "https://github.com/diosney/node-netfilter/issues"
   },
-  "author"      : {
+  "author"         : {
     "name" : "Diosney Sarmiento",
     "email": "[email protected]"
   },
-  "license"     : "MIT",
-  "repository"  : {
+  "license"        : "MIT",
+  "repository"     : {
     "type": "git",
     "url" : "https://github.com/diosney/node-netfilter.git"
   },
-  "scripts"     : {
+  "scripts"        : {
     "test": "node test/*.js"
   }
 }

test/unit/iptables/fixtures/utils.processCommonRuleSpecs.js

@@ -0,0 +1,57 @@
+module.exports = [
+  {
+    options: {
+      protocol       : 'tcp',
+      source         : '!10.10.10.0/24',
+      destination    : '11.11.11.0/24',
+      'in-interface' : 'eth0',
+      'out-interface': 'eth1',
+
+      matches: {
+        cluster: {
+          'cluster-total-nodes': 2,
+          'cluster-local-node' : 1,
+          'cluster-hash-seed'  : '0xdeadbeef'
+        },
+        comment: {
+          comment: 'Some comment.'
+        }
+      },
+
+      jump          : 'AUDIT',
+      target_options: {
+        type: 'drop'
+      }
+    },
+
+    args: [
+      '--protocol',
+      'tcp',
+      '!',
+      '--source',
+      '10.10.10.0/24',
+      '--destination',
+      '11.11.11.0/24',
+      '--in-interface',
+      'eth0',
+      '--out-interface',
+      'eth1',
+      '--match',
+      'cluster',
+      '--cluster-total-nodes',
+      '2',
+      '--cluster-local-node',
+      '1',
+      '--cluster-hash-seed',
+      '0xdeadbeef',
+      '--match',
+      'comment',
+      '--comment',
+      'Some comment.',
+      '--jump',
+      'AUDIT',
+      '--type',
+      'drop'
+    ]
+  }
+];

test/unit/iptables/utils.js

@@ -0,0 +1,47 @@
+var should = require('should');
+
+var utils = require('../../../lib/iptables/utils');
+var fixtures = require('./fixtures/utils.processCommonRuleSpecs');
+
+describe('iptables', function () {
+  describe('#utils', function () {
+    it('should be defined', function () {
+      should.exist(utils);
+    });
+
+    describe('#tables{}', function () {
+      it('should be defined', function () {
+        should.exist(utils.tables);
+      });
+
+      it('should have its already known properties', function () {
+        utils.tables.should.have.properties(
+          {
+            filter  : 'filter',
+            nat     : 'nat',
+            mangle  : 'mangle',
+            raw     : 'raw',
+            security: 'security'
+          });
+      });
+    });
+
+    describe('#processCommonRuleSpecs()', function () {
+      it('should be defined', function () {
+        should.exist(utils.processCommonRuleSpecs);
+      });
+
+      describe('when seed with several options', function () {
+        it('should return a correct array representation of those options', function () {
+          for (var i = 0, j = fixtures.length;
+               i < j;
+               i++) {
+
+            var common_rule_specs = utils.processCommonRuleSpecs(fixtures[i].options);
+            common_rule_specs.should.be.eql(fixtures[i].args);
+          }
+        });
+      });
+    });
+  });
+});