Update

node_modules/bad-words/test/addWords.js

@@ -0,0 +1,28 @@
+require('assert');
+var Filter = require('../lib/badwords.js'),
+  filter = new Filter(),
+  assert = require('better-assert');
+
+describe('filter', function(){
+  describe('addWords',function(){
+    it('Should append words to the filter list.', function(){
+      filter.addWords('dog', 'go');
+      assert(filter.clean('Go dog go') === '** *** **');
+    });
+
+    it('Should append words to the filter using an array', () => {
+      let addWords = ['go', 'dog'];
+      filter = new Filter()
+      filter.addWords(...addWords);
+      assert(filter.clean('Go dog go') === '** *** **');
+    });
+
+    it('Should allow a list to be passed to the constructor', function() {
+      filter = new Filter({
+        list: ['dog']
+      });
+
+      assert(filter.clean('Go dog go') === 'Go *** go');
+    });
+  });
+});