mostalive
08b52806de
Domain objects in After-side tests are constructed only through the builders, so the upcoming OrderLines evolution changes builder internals instead of every test. Before keeps object initializers (legacy world). yak: testdatabuilders-validordervalidclient-after-test-migration-91vl
48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
using After;
|
|
|
|
namespace BeforeAfter.Tests.TestData;
|
|
|
|
/// <summary>
|
|
/// Test data builder for an <see cref="Order"/> (TestDataBuilder pattern).
|
|
/// <see cref="ValidOrder"/> starts from a <em>fresh</em> order —
|
|
/// <see cref="Guid.Empty"/> id, empty description, zero total, exactly what
|
|
/// <c>new Order()</c> gives — and every <c>With...</c> returns the builder for
|
|
/// chaining; <see cref="Build"/> hands back the order.
|
|
///
|
|
/// This class is the only place tests touch an order's *construction*: when
|
|
/// the domain evolves (e.g. OrderLines making the total computed), only these
|
|
/// internals change and the tests keep reading the same.
|
|
/// </summary>
|
|
public sealed class OrderBuilder
|
|
{
|
|
private readonly Order _order = new();
|
|
|
|
/// <summary>A valid, fresh order — the neutral starting point for tests.</summary>
|
|
public static OrderBuilder ValidOrder() => new();
|
|
|
|
public OrderBuilder WithId(Guid id)
|
|
{
|
|
_order.Id = id;
|
|
return this;
|
|
}
|
|
|
|
public OrderBuilder WithDescription(string description)
|
|
{
|
|
_order.Description = description;
|
|
return this;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Sets the total in cents (<c>150_00</c> = €150.00). How the requested
|
|
/// total is realised inside the order is an implementation detail that may
|
|
/// change as the domain evolves; this API stays.
|
|
/// </summary>
|
|
public OrderBuilder WithTotal(int totalInCents)
|
|
{
|
|
_order.TotalInCents = totalInCents;
|
|
return this;
|
|
}
|
|
|
|
public Order Build() => _order;
|
|
}
|