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Load vehicles from a JSON copy of textures.txt, rebuilt when the installation changes

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This commit is contained in:
maj00r
2026-10-04 12:18:36 +02:00
parent d1d458f8ee
commit 93463ae7f2
9 changed files with 362 additions and 19 deletions
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2
StarterNG.Tests/Fakes/InMemoryFileSystem.cs
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@@ -134,6 +134,8 @@ public sealed class InMemoryFileSystem : IFileSystem
public DateTime GetLastWriteTimeUtc(string path) => LastWriteTimeUtc;
/// <summary>Files added through <see cref="WithExecutable"/> carry the execute bit.</summary>
public long GetFileSize(string path) => Bytes(path).LongLength;
public bool IsExecutable(string path) => _executable.Contains(Normalize(path));
public InMemoryFileSystem WithExecutable(string path, string contents = "\u007fELF")

9
StarterNG.Tests/Fakes/TestInstallation.cs
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@@ -26,12 +26,15 @@ public sealed class TestInstallation
MiniTextures = new MiniTextureIndex(Files, Paths);
Physics = new FizPhysicsRepository(Files, Paths, Log);
Vehicles = new TexturesTxtVehicleRepository(Files, Paths, Log, new TexturesTxtParser());
VehicleJson = new VehicleJsonSerializer();
Sceneries = new SceneryRepository(Files, Paths, Log, new SceneryParser(Clock, Random));
MissingAssets = new MissingAssetScanner(Files, Paths);
Library = new GameLibrary(Vehicles, Sceneries, MiniTextures, Physics, Log);
Environment = new FakeEnvironment();
SettingsPaths = new SettingsPaths(Environment, Paths);
VehicleCache = new VehicleCacheRepository(Files, Paths, Log, Vehicles, VehicleJson,
SettingsPaths.VehicleCacheDirectory());
Library = new GameLibrary(VehicleCache, Sceneries, MiniTextures, Physics, Log);
Executables = new ExecutableLocator(Files, Paths, Environment, Log);
SettingsStore = new SettingsStore(Files, Clock, Log, SettingsPaths, new SettingsSerializer(), Executables);
}
@@ -45,6 +48,8 @@ public sealed class TestInstallation
public MiniTextureIndex MiniTextures { get; }
public FizPhysicsRepository Physics { get; }
public TexturesTxtVehicleRepository Vehicles { get; }
public VehicleJsonSerializer VehicleJson { get; }
public VehicleCacheRepository VehicleCache { get; }
public SceneryRepository Sceneries { get; }
public MissingAssetScanner MissingAssets { get; }
public GameLibrary Library { get; }

111
StarterNG.Tests/VehicleCacheTests.cs Normal file
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@@ -0,0 +1,111 @@
using System.Text;
using StarterNG.Domain.Vehicles;
using StarterNG.Tests.Fakes;
namespace StarterNG.Tests;
public class VehicleCacheTests
{
private const string Ep07 = "ep07-135.mat=ep07.e3d,ep07";
private const string En57 = "en57-1000ra.mat=en57.e3d,en57";
private static string Dynamic(string maker, string vehicle) =>
TestInstallation.At("dynamic", maker, vehicle, "textures.txt");
private static string Cached(TestInstallation installation, string file) =>
Path.Combine(installation.SettingsPaths.VehicleCacheDirectory(), file);
[Fact]
public void The_first_load_migrates_textures_txt_into_the_starters_own_copy()
{
var files = new InMemoryFileSystem().WithLegacyFile(Dynamic("pkp", "ep07"), Ep07);
var installation = new TestInstallation(files);
int liveries = installation.VehicleCache.Load(installation.Library.Vehicles);
Assert.Equal(1, liveries);
Assert.True(files.FileExists(Cached(installation, "vehicles.json")));
Assert.Contains("ep07-135", files.ReadAllText(Cached(installation, "vehicles.json")));
}
[Fact]
public void An_untouched_installation_is_served_from_the_copy_without_reading_textures_txt()
{
var files = new InMemoryFileSystem().WithLegacyFile(Dynamic("pkp", "ep07"), Ep07);
var installation = new TestInstallation(files);
installation.VehicleCache.Load(installation.Library.Vehicles);
// Different liveries, same length and same timestamp: nothing the stamp
// can see has changed, so an answer of ep07-135 can only come from the copy.
files.WithLegacyFile(Dynamic("pkp", "ep07"), "ep07-999.mat=ep07.e3d,ep07");
var catalog = new VehicleCatalog(installation.MiniTextures);
installation.VehicleCache.Load(catalog);
Assert.Equal("legacy:pkp/ep07/ep07-135", Assert.Single(catalog.Textures).Uuid);
}
[Fact]
public void An_edited_textures_txt_makes_the_copy_stale_and_it_is_rebuilt()
{
var files = new InMemoryFileSystem().WithLegacyFile(Dynamic("pkp", "ep07"), Ep07);
var installation = new TestInstallation(files);
installation.VehicleCache.Load(installation.Library.Vehicles);
files.WithLegacyFile(Dynamic("pkp", "ep07"), Ep07 + "\nep07-174.mat=ep07.e3d,ep07");
var catalog = new VehicleCatalog(installation.MiniTextures);
int liveries = installation.VehicleCache.Load(catalog);
Assert.Equal(2, liveries);
Assert.Contains("ep07-174", files.ReadAllText(Cached(installation, "vehicles.json")));
}
[Fact]
public void A_vehicle_folder_that_disappeared_upstream_leaves_the_copy_too()
{
var files = new InMemoryFileSystem()
.WithLegacyFile(Dynamic("pkp", "ep07"), Ep07)
.WithLegacyFile(Dynamic("pkp", "en57"), En57);
var installation = new TestInstallation(files);
installation.VehicleCache.Load(installation.Library.Vehicles);
files.DeleteFile(Dynamic("pkp", "en57"));
var catalog = new VehicleCatalog(installation.MiniTextures);
installation.VehicleCache.Load(catalog);
Assert.Equal("legacy:pkp/ep07/ep07-135", Assert.Single(catalog.Textures).Uuid);
Assert.DoesNotContain("en57", files.ReadAllText(Cached(installation, "vehicles.json")));
}
[Fact]
public void A_damaged_copy_costs_the_parse_it_saved_and_nothing_else()
{
var files = new InMemoryFileSystem().WithLegacyFile(Dynamic("pkp", "ep07"), Ep07);
var installation = new TestInstallation(files);
installation.VehicleCache.Load(installation.Library.Vehicles);
files.WithFile(Cached(installation, "vehicles.json"), "{ obcieta kop");
var catalog = new VehicleCatalog(installation.MiniTextures);
int liveries = installation.VehicleCache.Load(catalog);
Assert.Equal(1, liveries);
Assert.Contains("kopia nie do odczytu", installation.Log.Text);
}
[Fact]
public void The_copy_reads_the_same_catalogue_the_legacy_reader_does()
{
var files = new InMemoryFileSystem()
.WithLegacyFile(Dynamic("pkp", "ep07"), Ep07)
.WithLegacyFile(Dynamic("pkp", "en57"), En57);
var installation = new TestInstallation(files);
var direct = new VehicleCatalog(installation.MiniTextures);
installation.Vehicles.Load(direct);
var cached = new VehicleCatalog(installation.MiniTextures);
installation.VehicleCache.Load(cached);
Assert.Equal(direct.Textures.Select(t => t.Uuid), cached.Textures.Select(t => t.Uuid));
Assert.Equal(direct.GroupsById.Keys.Order(), cached.GroupsById.Keys.Order());
}
}