Create OrphanedTracks Housekeeper (#81)
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c0e922e4a2
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using FizzWare.NBuilder;
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using FluentAssertions;
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using NUnit.Framework;
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using NzbDrone.Core.Housekeeping.Housekeepers;
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using NzbDrone.Core.Test.Framework;
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using NzbDrone.Core.Music;
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namespace NzbDrone.Core.Test.Housekeeping.Housekeepers
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{
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[TestFixture]
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public class CleanupOrphanedTracksFixture : DbTest<CleanupOrphanedTracks, Track>
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{
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[Test]
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public void should_delete_orphaned_tracks()
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{
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var track = Builder<Track>.CreateNew()
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.BuildNew();
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Db.Insert(track);
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Subject.Clean();
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AllStoredModels.Should().BeEmpty();
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}
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[Test]
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public void should_not_delete_unorphaned_tracks()
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{
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var album = Builder<Album>.CreateNew()
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.BuildNew();
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Db.Insert(album);
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var tracks = Builder<Track>.CreateListOfSize(2)
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.TheFirst(1)
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.With(e => e.AlbumId = album.Id)
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.BuildListOfNew();
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Db.InsertMany(tracks);
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Subject.Clean();
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AllStoredModels.Should().HaveCount(1);
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AllStoredModels.Should().Contain(e => e.AlbumId == album.Id);
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}
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}
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}
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using NzbDrone.Core.Datastore;
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namespace NzbDrone.Core.Housekeeping.Housekeepers
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{
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public class CleanupOrphanedTracks : IHousekeepingTask
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{
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private readonly IMainDatabase _database;
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public CleanupOrphanedTracks(IMainDatabase database)
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{
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_database = database;
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}
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public void Clean()
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{
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var mapper = _database.GetDataMapper();
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mapper.ExecuteNonQuery(@"DELETE FROM Tracks
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WHERE Id IN (
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SELECT Tracks.Id FROM Tracks
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LEFT OUTER JOIN Albums
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ON Tracks.AlbumId = Albums.Id
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WHERE Albums.Id IS NULL)");
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}
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}
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}
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