Lib para Javascript para gerar dados para testes.
Popular usage:
Numbers:
- int: 
faker.number.int() - float: 
faker.number.float() - random: 
faker.number.random() - between: 
faker.number.between(start, end) 
Text:
- sentence: 
faker.text.sentence() - paragraph: 
faker.text.paragraph() - word: 
faker.text.word() 
Person:
- name: 
faker.person.name() - username: 
faker.person.username() - password: 
faker.person.password() 
Address:
- city: 
faker.address.city() - country: 
faker.address.country() - postcode: 
faker.address.postcode() 
Date and Time:
- past_date: 
faker.date_time.past_date(start_date="-30d") - future_date: 
faker.date_time.future_date(end_date="+30d") - between_dates: 
faker.date_time.between_dates(start_date="-30d", end_date="+30d") 
Internet:
- email: 
faker.internet.email() - domain_name: 
faker.internet.domain_name() - url: 
faker.internet.url() 
Company:
- name:
faker.company.name()