- add: Unit tests

Nebula.UnitTest/NebulaSharedTests/FileServiceTests.cs

@@ -0,0 +1,123 @@
+using System.IO.Compression;
+using Microsoft.Extensions.DependencyInjection;
+using Moq;
+using Nebula.Shared.Models;
+using Nebula.Shared.Services;
+using Robust.LoaderApi;
+
+namespace Nebula.UnitTest.NebulaSharedTests;
+
+[TestFixture]
+[TestOf(typeof(FileService))]
+public class FileServiceTests : BaseSharedTest
+{
+    private FileService _fileService = default!;
+
+    public override void BeforeServiceBuild(IServiceCollection services)
+    {
+        TestServiceHelper.InitFileServiceTest();
+    }
+
+    [SetUp]
+    public override void Setup()
+    {
+        base.Setup();
+        _fileService = _sharedUnit.GetService<FileService>();
+    }
+
+    [Test]
+    public void CreateFileApi_CreatesCorrectPath()
+    {
+        var subPath = "test-folder";
+        var fileApi = _fileService.CreateFileApi(subPath);
+
+        using (var stream = new MemoryStream("test"u8.ToArray()))
+        {
+            fileApi.Save("test.txt", stream);
+        }
+        
+        var expectedPath = Path.Combine(FileService.RootPath, subPath);
+
+        Assert.That(Directory.Exists(expectedPath), Is.True, $"Expected path to be created: {expectedPath}");
+    }
+
+    [Test]
+    public void EnsureTempDir_CreatesDirectoryAndReturnsApi()
+    {
+        var api = _fileService.EnsureTempDir(out var path);
+
+        Assert.That(Directory.Exists(path), Is.True);
+        Assert.That(api, Is.Not.Null);
+    }
+
+    [Test]
+    public void OpenZip_ReturnsZipFileApi_WhenValid()
+    {
+        var testZipPath = Path.Combine(FileService.RootPath, "test.zip");
+        using (var archive = ZipFile.Open(testZipPath, ZipArchiveMode.Create))
+        {
+            var entry = archive.CreateEntry("test.txt");
+            using var streamWriter = new StreamWriter(entry.Open());
+            streamWriter.Write(testZipPath);
+            streamWriter.Flush();
+        }
+        
+        IDisposable? streamDisposable = null;
+
+        var mockFileApi = new Mock<IFileApi>();
+        mockFileApi
+            .Setup(x => x.TryOpen(testZipPath, out It.Ref<Stream>.IsAny))
+            .Returns((string _, out Stream stream) =>
+            {
+                stream = File.OpenRead(testZipPath);
+                streamDisposable = stream;
+                return true;
+            });
+
+        var zipApi = _fileService.OpenZip(testZipPath, mockFileApi.Object);
+        Assert.That(zipApi, Is.Not.Null);
+        
+        Assert.That(zipApi.TryOpen("test.txt", out var textStream), Is.True);
+
+        using (var reader = new StreamReader(textStream!))
+        {
+            Assert.That(reader.ReadToEnd(), Is.EqualTo(testZipPath));
+        }
+        
+        textStream!.Dispose();
+        streamDisposable?.Dispose();
+
+        File.Delete(testZipPath);
+    }
+
+    [Test]
+    public void RemoveAllFiles_DeletesAllFilesAndDirectories()
+    {
+        var testDir = Path.Combine(FileService.RootPath, "cleanup-test");
+        Directory.CreateDirectory(testDir);
+
+        File.WriteAllText(Path.Combine(testDir, "test1.txt"), "data");
+        Directory.CreateDirectory(Path.Combine(testDir, "subdir"));
+
+        var mockHandler = new Mock<ILoadingHandler>();
+        mockHandler.Setup(x => x.AppendJob(It.IsAny<int>())).Verifiable();
+        mockHandler.Setup(x => x.AppendResolvedJob(It.IsAny<int>())).Verifiable();
+
+        _fileService.RemoveAllFiles("cleanup-test", mockHandler.Object, CancellationToken.None);
+
+        Assert.That(Directory.Exists(testDir), Is.True);
+        Assert.That(Directory.GetFiles(testDir).Length, Is.EqualTo(0));
+        Assert.That(Directory.GetDirectories(testDir).Length, Is.EqualTo(0));
+    }
+
+    [Test]
+    public void OpenZip_ThrowsException_WhenFileApiFails()
+    {
+        var mockFileApi = new Mock<IFileApi>();
+        mockFileApi.Setup(x => x.TryOpen(It.IsAny<string>(), out It.Ref<Stream>.IsAny))
+                   .Returns(false);
+
+        var result = _fileService.OpenZip("invalid.zip", mockFileApi.Object);
+        Assert.That(result, Is.Null);
+    }
+}