Added tests

2026-05-29 13:49:44 +02:00
parent 0d5a6df27b
commit 51dd877a44
29 changed files with 2212 additions and 6 deletions
@@ -0,0 +1,88 @@
+using Ardalis.Result;
+using FluentAssertions;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging.Abstractions;
+using Musify.Application.Contracts;
+using Musify.Application.Events;
+using Musify.Application.PlayLists.Commands;
+using Musify.Application.PlayLists.Handlers;
+using Musify.Application.Tests.Infrastructure;
+using Musify.Domain.ValueObjects;
+using NSubstitute;
+using Xunit;
+
+namespace Musify.Application.Tests.Handlers;
+
+public sealed class DeletePlayListCommandHandlerTests
+{
+    private readonly IEventBus _eventBus = Substitute.For<IEventBus>();
+
+    private DeletePlayListCommandHandler CreateSut(TestDatabase db) =>
+        new(db, _eventBus, NullLogger<DeletePlayListCommandHandler>.Instance);
+
+    [Fact]
+    public async Task When_playlist_missing_returns_not_found()
+    {
+        await using var ctx = new SqliteTestContext();
+        var sut = CreateSut(ctx.Database);
+
+        var result = await sut.Handle(new DeletePlayListCommand(Guid.NewGuid(), Guid.NewGuid()), CancellationToken.None);
+
+        result.Status.Should().Be(ResultStatus.NotFound);
+    }
+
+    [Fact]
+    public async Task When_user_not_owner_returns_unauthorized()
+    {
+        await using var ctx = new SqliteTestContext();
+        var playList = TestData.PlayList(Guid.NewGuid());
+        ctx.Database.PlayLists.Add(playList);
+        await ctx.Database.SaveChangesAsync(CancellationToken.None);
+
+        var sut = CreateSut(ctx.Database);
+        var result = await sut.Handle(new DeletePlayListCommand(Guid.NewGuid(), playList.Id), CancellationToken.None);
+
+        result.Status.Should().Be(ResultStatus.Unauthorized);
+    }
+
+    [Fact]
+    public async Task Happy_path_marks_removing_publishes_event_and_returns_no_content()
+    {
+        await using var ctx = new SqliteTestContext();
+        var userId = Guid.NewGuid();
+        var playList = TestData.PlayList(userId);
+        ctx.Database.PlayLists.Add(playList);
+        await ctx.Database.SaveChangesAsync(CancellationToken.None);
+
+        var sut = CreateSut(ctx.Database);
+        var result = await sut.Handle(new DeletePlayListCommand(userId, playList.Id), CancellationToken.None);
+
+        result.Status.Should().Be(ResultStatus.NoContent);
+        await _eventBus.Received(1).PublishAsync(
+            Arg.Is<DeletePlayListEvent>(e => e.PlayListId == playList.Id && e.UserId == userId),
+            Arg.Any<CancellationToken>());
+
+        var persisted = await ctx.NewContext().PlayLists.SingleAsync(p => p.Id == playList.Id);
+        persisted.LifeCycleStatus.Should().Be(LifeCycleStatus.Removing);
+    }
+
+    [Fact]
+    public async Task When_publish_throws_returns_error_and_does_not_persist()
+    {
+        await using var ctx = new SqliteTestContext();
+        var userId = Guid.NewGuid();
+        var playList = TestData.PlayList(userId);
+        ctx.Database.PlayLists.Add(playList);
+        await ctx.Database.SaveChangesAsync(CancellationToken.None);
+
+        _eventBus.PublishAsync(Arg.Any<DeletePlayListEvent>(), Arg.Any<CancellationToken>())
+            .Returns<Task>(_ => throw new InvalidOperationException("bus down"));
+
+        var sut = CreateSut(ctx.Database);
+        var result = await sut.Handle(new DeletePlayListCommand(userId, playList.Id), CancellationToken.None);
+
+        result.Status.Should().Be(ResultStatus.Error);
+        var persisted = await ctx.NewContext().PlayLists.SingleAsync(p => p.Id == playList.Id);
+        persisted.LifeCycleStatus.Should().Be(LifeCycleStatus.Active);
+    }
+}