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SIG-CM2.0/tests/SIGCM2.Application.Tests/Pricing/ChargeableChars/GetChargeableCharConfigByIdHandlerTests.cs

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using FluentAssertions;
using NSubstitute;
using SIGCM2.Application.Abstractions.Persistence;
using SIGCM2.Application.Pricing.ChargeableChars.GetById;
using SIGCM2.Domain.Pricing.ChargeableChars;
namespace SIGCM2.Application.Tests.Pricing.ChargeableChars;
/// <summary>
/// PRC-001 — GetChargeableCharConfigByIdQueryHandler tests.
/// Covers: found → returns DTO, not-found → returns null.
/// </summary>
public class GetChargeableCharConfigByIdHandlerTests
{
private readonly IChargeableCharConfigRepository _repo = Substitute.For<IChargeableCharConfigRepository>();
private readonly GetChargeableCharConfigByIdQueryHandler _handler;
private static readonly DateOnly Today = new(2026, 4, 20);
public GetChargeableCharConfigByIdHandlerTests()
{
_handler = new GetChargeableCharConfigByIdQueryHandler(_repo);
}
private static ChargeableCharConfig MakeConfig(long id) =>
ChargeableCharConfig.Rehydrate(id, null, "$", ChargeableCharCategories.Currency, 1.0m, Today, null, true);
// ── Found ───────────────────────────────────────────────────────────────────
[Fact]
public async Task Handle_Found_ReturnsDto()
{
_repo.GetByIdAsync(1L, Arg.Any<CancellationToken>())
.Returns(MakeConfig(1L));
var result = await _handler.Handle(new GetChargeableCharConfigByIdQuery(1L));
result.Should().NotBeNull();
result!.Id.Should().Be(1L);
result.Symbol.Should().Be("$");
result.PricePerUnit.Should().Be(1.0m);
result.ValidFrom.Should().Be(Today);
result.IsActive.Should().BeTrue();
}
// ── Not found ───────────────────────────────────────────────────────────────
[Fact]
public async Task Handle_NotFound_ReturnsNull()
{
_repo.GetByIdAsync(99L, Arg.Any<CancellationToken>())
.Returns((ChargeableCharConfig?)null);
var result = await _handler.Handle(new GetChargeableCharConfigByIdQuery(99L));
result.Should().BeNull();
}
}