Files
Musify/Tests/Musify.Application.Tests/Handlers/DeletePlayListCommandHandlerTests.cs
T
2026-05-29 13:49:44 +02:00

89 lines
3.4 KiB
C#

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);
}
}