159 lines
5.6 KiB
C#
159 lines
5.6 KiB
C#
using FluentAssertions;
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using Microsoft.Extensions.Time.Testing;
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using SIGCM2.Application.Rubros.Common;
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using SIGCM2.Domain.Entities;
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namespace SIGCM2.Application.Tests.Rubros;
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public class RubroTreeBuilderTests
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{
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private static readonly FakeTimeProvider FakeTime = new(new DateTimeOffset(2026, 4, 18, 12, 0, 0, TimeSpan.Zero));
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private static Rubro MakeRubro(int id, int? parentId, string nombre, int orden, bool activo = true)
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=> new(id, parentId, nombre, orden, activo, tarifarioBaseId: null,
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fechaCreacion: FakeTime.GetUtcNow().UtcDateTime, fechaModificacion: null);
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// ── empty ─────────────────────────────────────────────────────────────────
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[Fact]
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public void Build_empty_returns_empty_list()
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{
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var result = RubroTreeBuilder.Build([], incluirInactivos: false);
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result.Should().BeEmpty();
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}
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// ── single root ───────────────────────────────────────────────────────────
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[Fact]
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public void Build_single_root_returns_one_node_no_children()
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{
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var rubros = new[] { MakeRubro(1, null, "Autos", 0) };
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var result = RubroTreeBuilder.Build(rubros, incluirInactivos: false);
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result.Should().HaveCount(1);
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result[0].Id.Should().Be(1);
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result[0].Nombre.Should().Be("Autos");
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result[0].Hijos.Should().BeEmpty();
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}
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// ── multiple roots sorted by Orden ───────────────────────────────────────
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[Fact]
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public void Build_flat_list_with_multiple_roots_sorted_by_orden()
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{
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var rubros = new[]
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{
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MakeRubro(3, null, "Motos", 2),
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MakeRubro(1, null, "Autos", 0),
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MakeRubro(2, null, "Camiones", 1)
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};
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var result = RubroTreeBuilder.Build(rubros, incluirInactivos: false);
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result.Should().HaveCount(3);
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result[0].Id.Should().Be(1); // Orden=0
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result[1].Id.Should().Be(2); // Orden=1
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result[2].Id.Should().Be(3); // Orden=2
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}
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// ── tree 3 levels deep ────────────────────────────────────────────────────
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[Fact]
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public void Build_tree_3_levels_deep_correctly_nests()
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{
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var rubros = new[]
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{
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MakeRubro(1, null, "Autos", 0),
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MakeRubro(2, 1, "Sedanes", 0),
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MakeRubro(3, 2, "Compactos", 0),
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};
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var result = RubroTreeBuilder.Build(rubros, incluirInactivos: false);
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result.Should().HaveCount(1);
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result[0].Id.Should().Be(1);
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result[0].Hijos.Should().HaveCount(1);
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result[0].Hijos[0].Id.Should().Be(2);
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result[0].Hijos[0].Hijos.Should().HaveCount(1);
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result[0].Hijos[0].Hijos[0].Id.Should().Be(3);
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}
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// ── filter inactivos ──────────────────────────────────────────────────────
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[Fact]
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public void Build_filters_inactivos_by_default()
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{
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var rubros = new[]
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{
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MakeRubro(1, null, "Autos", 0, activo: true),
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MakeRubro(2, null, "Motos", 1, activo: false),
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};
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var result = RubroTreeBuilder.Build(rubros, incluirInactivos: false);
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result.Should().HaveCount(1);
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result[0].Id.Should().Be(1);
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}
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[Fact]
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public void Build_includes_inactivos_when_incluirInactivos_true()
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{
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var rubros = new[]
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{
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MakeRubro(1, null, "Autos", 0, activo: true),
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MakeRubro(2, null, "Motos", 1, activo: false),
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};
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var result = RubroTreeBuilder.Build(rubros, incluirInactivos: true);
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result.Should().HaveCount(2);
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}
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// ── siblings sorted by Orden ──────────────────────────────────────────────
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[Fact]
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public void Build_orders_siblings_by_orden()
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{
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var rubros = new[]
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{
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MakeRubro(1, null, "Root", 0),
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MakeRubro(4, 1, "D", 3),
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MakeRubro(2, 1, "B", 1),
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MakeRubro(3, 1, "C", 2),
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MakeRubro(5, 1, "A", 0),
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};
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var result = RubroTreeBuilder.Build(rubros, incluirInactivos: false);
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var hijos = result[0].Hijos;
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hijos.Should().HaveCount(4);
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hijos[0].Nombre.Should().Be("A"); // Orden=0
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hijos[1].Nombre.Should().Be("B"); // Orden=1
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hijos[2].Nombre.Should().Be("C"); // Orden=2
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hijos[3].Nombre.Should().Be("D"); // Orden=3
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}
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// ── O(n) perf smoke test ──────────────────────────────────────────────────
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[Fact]
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public void Build_is_Olinear_perf_smoke_test_1000_nodes_under_100ms()
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{
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var rubros = new List<Rubro>();
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// root
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rubros.Add(MakeRubro(1, null, "Root", 0));
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// 999 children of root
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for (int i = 2; i <= 1000; i++)
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rubros.Add(MakeRubro(i, 1, $"Child{i}", i - 2));
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var sw = System.Diagnostics.Stopwatch.StartNew();
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var result = RubroTreeBuilder.Build(rubros, incluirInactivos: false);
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sw.Stop();
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result.Should().HaveCount(1);
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result[0].Hijos.Should().HaveCount(999);
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sw.ElapsedMilliseconds.Should().BeLessThan(100);
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}
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}
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