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Merge pull request #89 from Nexus-Mods/observeall
Add `ObserveAll` tests and benchmarks
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benchmarks/NexusMods.MnemonicDB.Benchmarks/Benchmarks/ObserveAllBenchmarks.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| using System; | ||
| using System.Linq; | ||
| using System.Threading.Tasks; | ||
| using BenchmarkDotNet.Attributes; | ||
| using BenchmarkDotNet.Engines; | ||
| using NexusMods.MnemonicDB.Abstractions.TxFunctions; | ||
| using NexusMods.MnemonicDB.TestModel; | ||
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| namespace NexusMods.MnemonicDB.Benchmarks.Benchmarks; | ||
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| [MemoryDiagnoser] | ||
| [SimpleJob(runStrategy: RunStrategy.Monitoring, warmupCount: 1)] | ||
| public class ObserveAllBenchmarks : ABenchmark | ||
| { | ||
| private string[] _names = []; | ||
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| [Params(100, 1_000, 10_000)] | ||
| public int N { get; set; } | ||
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| [GlobalSetup] | ||
| public async ValueTask GlobalSetup() | ||
| { | ||
| await InitializeAsync(); | ||
| _names = Enumerable.Range(start: 0, count: N).Select(i => $"Loadout {i}").ToArray(); | ||
| } | ||
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| [IterationCleanup] | ||
| public void IterationCleanup() | ||
| { | ||
| using var tx = Connection.BeginTransaction(); | ||
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| foreach (var entity in Loadout.All(Connection.Db)) | ||
| { | ||
| tx.Delete(entity, recursive: false); | ||
| } | ||
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| tx.Commit().GetAwaiter().GetResult(); | ||
| } | ||
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| [Benchmark] | ||
| public async ValueTask ObserveAll() | ||
| { | ||
| using var disposable = Loadout.ObserveAll(Connection).Subscribe(_ => { }); | ||
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| using var tx = Connection.BeginTransaction(); | ||
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| foreach (var name in _names) | ||
| { | ||
| _ = new Loadout.New(tx) | ||
| { | ||
| Name = name, | ||
| }; | ||
| } | ||
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| await tx.Commit(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| using DynamicData; | ||
| using NexusMods.MnemonicDB.Abstractions.TxFunctions; | ||
| using NexusMods.MnemonicDB.TestModel; | ||
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| namespace NexusMods.MnemonicDB.Tests; | ||
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| public class ObservableTests : AMnemonicDBTest | ||
| { | ||
| public ObservableTests(IServiceProvider provider) : base(provider) { } | ||
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| [Fact] | ||
| public async Task TestObserveAll() | ||
| { | ||
| using var disposable = Loadout | ||
| .ObserveAll(Connection) | ||
| .Transform(loadout => loadout.Name) | ||
| .Bind(out var list) | ||
| .Subscribe(); | ||
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| list.Should().BeEmpty(); | ||
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| await Add("Loadout 1"); | ||
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| list.Should().ContainSingle(static name => name.Equals("Loadout 1")); | ||
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| await Add("Loadout 2"); | ||
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| list.Should().HaveCount(2).And.ContainInOrder(["Loadout 1", "Loadout 2"]); | ||
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| await Add("Loadout 3", "Loadout 4"); | ||
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| list.Should().HaveCount(4).And.ContainInOrder(["Loadout 1", "Loadout 2", "Loadout 3", "Loadout 4"]); | ||
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| await Delete("Loadout 2"); | ||
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| list.Should().HaveCount(3).And.ContainInOrder(["Loadout 1", "Loadout 3", "Loadout 4"]); | ||
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| await Delete("Loadout 1", "Loadout 4"); | ||
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| list.Should().ContainSingle(static name => name.Equals("Loadout 3")); | ||
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| await Delete("Loadout 3"); | ||
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| list.Should().BeEmpty(); | ||
| } | ||
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| [Fact] | ||
| public async Task StressTest() | ||
| { | ||
| using var disposable = Loadout | ||
| .ObserveAll(Connection) | ||
| .Transform(loadout => loadout.Name) | ||
| .Bind(out var list) | ||
| .Subscribe(); | ||
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| var stress = Enumerable.Range(start: 0, count: 100).Select(i => $"Loadout {i}").ToArray(); | ||
| await Add(stress); | ||
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| list.Should().ContainInOrder(stress); | ||
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| await Delete(stress); | ||
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| list.Should().BeEmpty(); | ||
| } | ||
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| private async ValueTask Add(params string[] names) | ||
| { | ||
| using var tx = Connection.BeginTransaction(); | ||
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| foreach (var name in names) | ||
| { | ||
| _ = new Loadout.New(tx) | ||
| { | ||
| Name = name, | ||
| }; | ||
| } | ||
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| await tx.Commit(); | ||
| } | ||
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| private async ValueTask Delete(params string[] names) | ||
| { | ||
| var db = Connection.Db; | ||
| using var tx = Connection.BeginTransaction(); | ||
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| foreach (var name in names) | ||
| { | ||
| var entities = Loadout.FindByName(db, name); | ||
| entities.Should().ContainSingle(); | ||
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| tx.Delete(entities.First(), recursive: false); | ||
| } | ||
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| await tx.Commit(); | ||
| } | ||
| } |