var Trie = require('density-trie');
var should = require('should');
describe('Demo', function() {
var western = true;
var trie = new Trie(western);
trie.add('He');
trie.add('Hell');
trie.add('Hello');
console.log(trie.dump());
var text = 'here is a fragment of text with "Hello World", "Hello" should be 2, "Hell" should be 1, no matter if "eHell" or eHello presented';
trie.density(text).should.be.deepEqual({
Hello: 2,
World: 1,
Hell: 1
});
should(trie.remove('Hello').lookup('Hello')).not.be.ok();
trie.check('check method will return immediately when any keyword is found, like Hello').should.be.ok();
trie.replace('replace KEYWORD with *******').be.exactly('replace ******* with *******');
});