73 lines
2.9 KiB
C#
73 lines
2.9 KiB
C#
using ErrorOr;
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using Microsoft.EntityFrameworkCore;
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using Musify.Application.Albums;
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using Musify.Application.Tests.TestSupport;
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using Musify.Domain.Entities;
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using Xunit;
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namespace Musify.Application.Tests.Albums;
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public sealed class RemoveTrackFromAlbumCommandHandlerTests : HandlerTestBase
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{
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private RemoveTrackFromAlbumCommandHandler CreateHandler() =>
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new(Database, NoOpLogger<RemoveTrackFromAlbumCommandHandler>());
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[Fact]
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public async Task Handle_TrackInAlbum_RemovesItAndRenumbersTheRest()
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{
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var owner = TestEntities.User();
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var album = TestEntities.Album(owner.Id);
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var first = TestEntities.Track(owner, "First");
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var second = TestEntities.Track(owner, "Second");
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var third = TestEntities.Track(owner, "Third");
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await SeedAsync(
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owner, album, first, second, third,
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new AlbumHasTrack { AlbumId = album.Id, TrackId = first.Id, TrackNumber = 1 },
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new AlbumHasTrack { AlbumId = album.Id, TrackId = second.Id, TrackNumber = 2 },
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new AlbumHasTrack { AlbumId = album.Id, TrackId = third.Id, TrackNumber = 3 });
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var result = await CreateHandler().Handle(new RemoveTrackFromAlbumCommand(owner.Id, album.Id, second.Id), TestContext.Current.CancellationToken);
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Assert.False(result.IsError);
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var remaining = await Database.AlbumHasTracks
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.Where(link => link.AlbumId == album.Id)
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.OrderBy(link => link.TrackNumber)
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.ToListAsync(TestContext.Current.CancellationToken);
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Assert.Equal([first.Id, third.Id], remaining.Select(link => link.TrackId));
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Assert.Equal([1, 2], remaining.Select(link => link.TrackNumber));
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}
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[Fact]
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public async Task Handle_AlbumMissing_ReturnsNotFound()
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{
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var result = await CreateHandler().Handle(new RemoveTrackFromAlbumCommand(1, Guid.NewGuid(), Guid.NewGuid()), TestContext.Current.CancellationToken);
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Assert.Equal(ErrorType.NotFound, result.FirstError.Type);
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}
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[Fact]
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public async Task Handle_NotOwner_ReturnsUnauthorized()
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{
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var owner = TestEntities.User(1, "owner");
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var stranger = TestEntities.User(2, "stranger");
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var album = TestEntities.Album(owner.Id);
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await SeedAsync(owner, stranger, album);
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var result = await CreateHandler().Handle(new RemoveTrackFromAlbumCommand(stranger.Id, album.Id, Guid.NewGuid()), TestContext.Current.CancellationToken);
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Assert.Equal(ErrorType.Unauthorized, result.FirstError.Type);
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}
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[Fact]
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public async Task Handle_TrackNotInAlbum_ReturnsNotFound()
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{
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var owner = TestEntities.User();
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var album = TestEntities.Album(owner.Id);
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await SeedAsync(owner, album);
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var result = await CreateHandler().Handle(new RemoveTrackFromAlbumCommand(owner.Id, album.Id, Guid.NewGuid()), TestContext.Current.CancellationToken);
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Assert.Equal(ErrorType.NotFound, result.FirstError.Type);
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}
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}
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