Return File in ASP.NET Core Web API: move the sample to .NET 10

aspnetcore-webapi/ReturnFileWebApi/ReturnFileWebApi/Assets/Image.cs

@@ -1,7 +1,6 @@
-namespace ReturnFileWebApi.Assets
+namespace ReturnFileWebApi.Assets;
+
+public static class Image
 {
-    public static class Image
-    {
-        public const string Base64Image = "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";
-    }
+    public const string Base64Image = "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";
 }

aspnetcore-webapi/ReturnFileWebApi/ReturnFileWebApi/Controllers/DownloadsController.cs

@@ -1,36 +1,37 @@
-using Microsoft.AspNetCore.Http;
-using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc;
 using ReturnFileWebApi.Interface;
 
-namespace ReturnFileWebApi.Controllers
+namespace ReturnFileWebApi.Controllers;
+
+[Route("api/[controller]")]
+[ApiController]
+public class DownloadsController(IFileService fileService) : ControllerBase
 {
-    [Route("api/[controller]")]
-    [ApiController]
-    public class DownloadsController : ControllerBase
+    private readonly IFileService _fileService = fileService;
+    private const string MimeType = "image/png";
+    private const string FileName = "CM-Logo.png";
+
+    [HttpGet("images-byte")]
+    public IActionResult ReturnByteArray()
+    {
+        var image = _fileService.GetImageAsByteArray();
+
+        return File(image, MimeType, FileName);
+    }
+
+    [HttpGet("images-stream")]
+    public IActionResult ReturnStream()
     {
-        private readonly IFileService _fileService;
-        private const string MimeType = "image/png";
-        private const string FileName = "CM-Logo.png";
-
-        public DownloadsController(IFileService fileService)
-        {
-            _fileService = fileService;
-        }
-
-        [HttpGet("images-byte")]
-        public IActionResult ReturnByteArray()
-        {
-            var image = _fileService.GetImageAsByteArray();
-
-            return File(image, MimeType, FileName);
-        }
-
-        [HttpGet("images-stream")]
-        public IActionResult ReturnStream()
-        {
-            var image = _fileService.GetImageAsStream();
-
-            return File(image, MimeType, FileName);
-        }
+        var image = _fileService.GetImageAsStream();
+
+        return File(image, MimeType, FileName);
+    }
+
+    [HttpGet("images-stream-range")]
+    public IActionResult ReturnStreamWithRanges()
+    {
+        var image = _fileService.GetImageAsStream();
+
+        return File(image, MimeType, FileName, enableRangeProcessing: true);
     }
 }

aspnetcore-webapi/ReturnFileWebApi/ReturnFileWebApi/Interface/IFileService.cs

@@ -1,8 +1,7 @@
-namespace ReturnFileWebApi.Interface
+namespace ReturnFileWebApi.Interface;
+
+public interface IFileService
 {
-    public interface IFileService
-    {
-        Stream GetImageAsStream();
-        byte[] GetImageAsByteArray();
-    }
+    Stream GetImageAsStream();
+    byte[] GetImageAsByteArray();
 }

aspnetcore-webapi/ReturnFileWebApi/ReturnFileWebApi/Program.cs

@@ -6,18 +6,16 @@
 // Add services to the container.
 
 builder.Services.AddControllers();
-// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
-builder.Services.AddEndpointsApiExplorer();
-builder.Services.AddSwaggerGen();
+// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddOpenApi();
 builder.Services.AddScoped<IFileService, FileService>();
 
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
 {
-    app.UseSwagger();
-    app.UseSwaggerUI();
+    app.MapOpenApi();
 }
 
 app.UseHttpsRedirection();
@@ -26,4 +24,7 @@
 
 app.MapControllers();
 
+app.MapGet("/minimal/images-stream", (IFileService fileService) =>
+    Results.File(fileService.GetImageAsStream(), "image/png", "CM-Logo.png"));
+
 app.Run();

aspnetcore-webapi/ReturnFileWebApi/ReturnFileWebApi/Properties/launchSettings.json

@@ -13,7 +13,7 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": true,
-      "launchUrl": "swagger",
+      "launchUrl": "openapi/v1.json",
       "applicationUrl": "https://localhost:7248;http://localhost:5248",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
@@ -22,7 +22,7 @@
     "IIS Express": {
       "commandName": "IISExpress",
       "launchBrowser": true,
-      "launchUrl": "swagger",
+      "launchUrl": "openapi/v1.json",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }

aspnetcore-webapi/ReturnFileWebApi/ReturnFileWebApi/ReturnFileWebApi.csproj

@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.3" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.12" />
   </ItemGroup>
 
   <ItemGroup>

aspnetcore-webapi/ReturnFileWebApi/ReturnFileWebApi/Services/FileService.cs

@@ -1,23 +1,21 @@
 using ReturnFileWebApi.Assets;
 using ReturnFileWebApi.Interface;
-using System.Buffers.Text;
 
-namespace ReturnFileWebApi.Services
+namespace ReturnFileWebApi.Services;
+
+public class FileService : IFileService
 {
-    public class FileService : IFileService
+    public Stream GetImageAsStream()
     {
-        public Stream GetImageAsStream()
-        {
-            var stream = new MemoryStream(Convert.FromBase64String(Image.Base64Image));
+        var stream = new MemoryStream(Convert.FromBase64String(Image.Base64Image));
 
-            return stream;
-        }
+        return stream;
+    }
 
-        public byte[] GetImageAsByteArray()
-        {
-            var bytes = Convert.FromBase64String(Image.Base64Image);
+    public byte[] GetImageAsByteArray()
+    {
+        var bytes = Convert.FromBase64String(Image.Base64Image);
 
-            return bytes;
-        }
+        return bytes;
     }
 }

aspnetcore-webapi/ReturnFileWebApi/Tests/Tests.cs

@@ -1,51 +1,54 @@
-using Moq;
+using Microsoft.AspNetCore.Mvc;
+using NSubstitute;
 using ReturnFileWebApi.Assets;
 using ReturnFileWebApi.Controllers;
 using ReturnFileWebApi.Interface;
 
-namespace Tests
+namespace Tests;
+
+public class Tests
 {
-    public class Tests
-    {
-        private readonly Mock<IFileService> _fileServiceMock;
+    private readonly IFileService _fileService = Substitute.For<IFileService>();
 
-        public Tests()
-        {
-            _fileServiceMock = new();
+    public Tests()
+    {
+        _fileService.GetImageAsByteArray()
+            .Returns(Convert.FromBase64String(Image.Base64Image));
 
-            SetupMocks();
-        }
+        _fileService.GetImageAsStream()
+            .Returns(new MemoryStream(Convert.FromBase64String(Image.Base64Image)));
+    }
 
-        private void SetupMocks()
-        {
-            _fileServiceMock.Setup(x => x.GetImageAsByteArray())
-                .Returns(Convert.FromBase64String(Image.Base64Image))
-                .Verifiable();
+    [Fact]
+    public void GivenAnImagesbyteRoute_WhenUsingByteArray_ThenReturnAFileToDownload()
+    {
+        var controller = new DownloadsController(_fileService);
 
-            _fileServiceMock.Setup(x => x.GetImageAsStream())
-                .Returns(new MemoryStream(Convert.FromBase64String(Image.Base64Image)))
-                .Verifiable();
-        }
+        var result = Assert.IsType<FileContentResult>(controller.ReturnByteArray());
 
-        [Fact]
-        public void GivenAnImagesbyteRoute_WhenUsingByteArray_ThenReturnAFileToDownload()
-        {
-            var controller = new DownloadsController(_fileServiceMock.Object);
+        Assert.Equal("image/png", result.ContentType);
+        Assert.Equal("CM-Logo.png", result.FileDownloadName);
+    }
 
-            var image = controller.ReturnByteArray();
+    [Fact]
+    public void GivenAnImagesStreamRoute_WhenUsingStream_ThenReturnAFileToDownload()
+    {
+        var controller = new DownloadsController(_fileService);
 
-            Assert.NotNull(image);
-        }
+        var result = Assert.IsType<FileStreamResult>(controller.ReturnStream());
 
-        [Fact]
+        Assert.Equal("image/png", result.ContentType);
+        Assert.Equal("CM-Logo.png", result.FileDownloadName);
+    }
 
-        public void GivenAnImagesStreamRoute_WhenUsingStream_ThenReturnAFileToDownload()
-        {
-            var controller = new DownloadsController(_fileServiceMock.Object);
+    [Fact]
+    public void GivenAnImagesStreamRangeRoute_WhenUsingStream_ThenEnableRangeProcessing()
+    {
+        var controller = new DownloadsController(_fileService);
 
-            var image = controller.ReturnStream();
+        var result = Assert.IsType<FileStreamResult>(controller.ReturnStreamWithRanges());
 
-            Assert.NotNull(image);
-        }
+        Assert.True(result.EnableRangeProcessing);
+        Assert.Equal("image/png", result.ContentType);
     }
-}
+}

aspnetcore-webapi/ReturnFileWebApi/Tests/Tests.csproj

@@ -1,22 +1,22 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
 
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
-    <PackageReference Include="Moq" Version="4.18.2" />
-    <PackageReference Include="xunit" Version="2.4.1" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
+    <PackageReference Include="NSubstitute" Version="6.2.0" />
+    <PackageReference Include="xunit" Version="2.9.3" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="coverlet.collector" Version="3.1.2">
+    <PackageReference Include="coverlet.collector" Version="10.1.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>