A library for setting up .NET objects as test data. Inspired by the original factory_girl for ruby, this implementation offers a simpler, feature-concise version for .NET that was influenced by FactoryGirl.NET and Plant.
Install factory-girl from Nuget
Install-Package factory-girl
In the beginning, there was a model
public class User
{
public int Id { get; set; }
public string Name { get; set; }
public string Address { get; set; }
}To get started, implement the IDefinable interface.
public class UserFactory : IDefinable
{
public void Define()
{
FactoryGirl.Define<User>(() => new User
{
Name = "Bruce Wayne",
Address = "Wayne Manor, Gotham City"
});
}
}By implementing the interface, you can initialize all your factories in the given Type's assembly by calling the Initialize method.
FactoryGirl.Initialize(typeof(UserFactory));For each Type you can define two types of factories: Default or Named. You can have as many uniquely Named factories for a given type as you would like but you can only have one Default type.
public void DefineDefaultUser()
{
FactoryGirl.Define<User>(() => new User
{
Name = "Peter Griffin",
Address = "31 Spooner Street, Quahog, RI"
});
}private void DefineSeriousUser()
{
FactoryGirl.Define("SeriousUser", () => new User
{
Name = "Sirius Black",
Address = "12 Grimmauld Place"
});
}private void DefineAdminUser()
{
FactoryGirl.Define("OldUser", () => new User
{
Name = "Fred Flinstone",
Address = "301 Cobblestone Way"
});
}Building test objects of your models is now possible.
To build a Default User:
FactoryGirl.Build<User>();To build a Named User:
FactoryGirl.Build<User>("SeriousUser");You can also build a list of objects by calling the BuildList method
FactoryGirl.BuildList<User>();If you need to clear your Factory call the ClearFactoryDefinitions method
FactoryGirl.ClearFactoryDefinitions();To persist your object, implement the IRepository interface and use the Create and CreateList methods. It is important to remember that, like the original factory_girl, this implementation only calls Save() on the model. What Save() does is up to you.
public class User : IRepository
{
public int Id { get; set; }
public string Name { get; set; }
public string Address { get; set; }
public User Save()
{
// Your logic for saving the model to a Database.
// Or calling a web service.
// Or whatever persistence means to you!
return this;
}
}Now we can call Create and CreateList on our Factory
var user = FactoryGirl.Create<User>();// Create 5 Users
var users = FactoryGirl.CreateList<User>(5);
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