Introduction

Faker.Net is an open‑source mock test data generator library for .NET / C#. Inspired by the Ruby Faker ecosystem, it solves the common pain point of lacking large‑scale realistic test data during development debugging, database seeding and unit testing.

Project Repository：https://github.com/jonwingfield/Faker.Net

Quickly generate various realistic fake data for business scenarios, common categories:

• Personal info: full name, gender, phone number, email address, national ID
• Geographic info: province & city, full street address, postal code
• Business data: company name, job title, text snippet, date & time
• Network data: IP address, URL, username

Insert hundreds of test records with distinct names, genders and contact details into user tables without manual entry.

NuGet Package

Install-Package Faker.NetCode language: CSS (css)

Or via CLI

dotnet add package Faker.NetCode language: CSS (css)

Code Snippets

using Faker;

// Generate full name
string fullName = Name.FullName();
// Generate phone number
string phone = Phone.Number();
// Generate email address
string email = Internet.Email();
// Generate full physical address
string address = Address.FullAddress();Code language: JavaScript (javascript)

Bulk Data Generation Demo

// Loop to create 10 test user entries
var userList = new List<User>();
for (int i = 0; i < 10; i++)
{
    userList.Add(new User()
    {
        Name = Name.FullName(),
        Phone = Phone.Number(),
        Email = Internet.Email(),
        Address = Address.FullAddress()
    });
}Code language: HTML, XML (xml)

Generate Random Names

Console App Example

static void Main(string[] args)
{
    // Output 100 random English full‑names
    for (int i = 0; i < 100; i++)
    {
        Console.WriteLine(Name.GetName());
    }
    Console.ReadKey();
}Code language: JavaScript (javascript)

Sample output: full names such as Bonnie Eichmann or Adrien Crooks. Some entries may include honorific prefixes (Miss, Mrs) or academic suffixes (PhD, IV).

Underlying Source‑Code Breakdown

public static class Name
{
    public static string GetName()
    {
        // Get random integer from 0 to 9
        switch (FakerRandom.Rand.Next(10))
        {
            // 10% chance: Prefix + Given name + Surname (Miss Deontae Mante)
            case 0: 
                return GetPrefix() + " " + GetFirstName() + " " + GetLastName();
            // 10% chance: Given name + Surname + Suffix (Haskell Morissette PhD)
            case 1: 
                return GetFirstName() + " " + GetLastName() + " " + GetSuffix();
            // Remaining 80%: Standard given‑plus‑surname format (Adrien Crooks)
            default: 
                return GetFirstName() + " " + GetLastName();
        }
    }

    // Pick one random first‑name from built‑in dataset
    public static string GetFirstName()
    {
        return FIRST_NAMES.Rand();
    }
}Code language: PHP (php)

Introduction