public void can_create_a_simple_clone()
{
var orderFaker = new Faker <Examples.Order>()
.UseSeed(88)
.RuleFor(o => o.OrderId, f => f.IndexVariable++)
.RuleFor(o => o.Quantity, f => f.Random.Number(1, 3))
.RuleFor(o => o.Item, f => f.Commerce.Product());
var clone = orderFaker.Clone();
var clonedOrder = clone.Generate();
var rootOrder = orderFaker.Generate();
clonedOrder.ShouldBeEquivalentTo(rootOrder);
}
public void parallel_determinism()
{
var orderFaker = new Faker <Examples.Order>()
.RuleFor(o => o.OrderId, f => f.IndexVariable++)
.RuleFor(o => o.Quantity, f => f.Random.Number(1, 3))
.RuleFor(o => o.Item, f => f.Commerce.Product());
var orders = ParallelEnumerable.Range(1, 5)
.Select(threadId =>
orderFaker
.Clone()
.UseSeed(88)
.Generate(4).ToArray()
).ToArray();
foreach (var orderOfFour in orders)
{
CheckSequence(orderOfFour);
}
}
public void clone_has_different_rules()
{
var rootFaker = new Faker <Examples.Order>()
.UseSeed(88)
.RuleFor(o => o.OrderId, f => f.IndexVariable++)
.RuleFor(o => o.Quantity, f => f.Random.Number(1, 3))
.RuleFor(o => o.Item, f => f.Commerce.Product());
var cloneFaker = rootFaker.Clone()
.RuleFor(o => o.Quantity, f => f.Random.Number(4, 6));
var rootOrder = rootFaker.Generate();
var clonedOrder = cloneFaker.Generate();
rootOrder.Quantity.Should()
.BeGreaterOrEqualTo(1).And
.BeLessOrEqualTo(3);
clonedOrder.Quantity.Should()
.BeGreaterOrEqualTo(4).And
.BeLessOrEqualTo(6);
}
public void github_issue121_workaround()
{
var faker = new Faker <TestObject>()
.StrictMode(true)
.RuleFor(x => x.Id, x => Guid.NewGuid())
.RuleFor(x => x.Name, x => x.Person.FirstName);
var updateFaker = faker.Clone()
.Ignore(x => x.Id);
var obj = faker.Generate();
var id = obj.Id; // value copy
var name = obj.Name; // value copy
updateFaker.Populate(obj);
console.Dump($"Copy values - id: {id}, name: {name}");
console.Dump(obj);
id.Should().Be(obj.Id);
name.Should().NotBe(obj.Name);
}
