Adding unit tests for Java hosting

src/Aspire.CommunityToolkit.Hosting.Java/JavaAppHostingExtension.cs

@@ -19,27 +19,21 @@ public static class JavaAppHostingExtension
     /// <returns>A reference to the <see cref="IResourceBuilder{T}"/>.</returns>
     public static IResourceBuilder<JavaAppContainerResource> AddJavaApp(this IDistributedApplicationBuilder builder, string name, JavaAppContainerResourceOptions options)
     {
-        if (string.IsNullOrWhiteSpace(options.ContainerImageName) == true)
-        {
-            throw new ArgumentException("Container image name must be specified.", nameof(options));
-        }
+        ArgumentNullException.ThrowIfNull(builder, nameof(builder));
+        ArgumentNullException.ThrowIfNull(options, nameof(options));
+        ArgumentException.ThrowIfNullOrWhiteSpace(name, nameof(name));
+        ArgumentException.ThrowIfNullOrWhiteSpace(options.ContainerImageName, nameof(options.ContainerImageName));
 
         var resource = new JavaAppContainerResource(name);
 
-        var rb = builder.AddResource(resource);
-        if (string.IsNullOrWhiteSpace(options.ContainerRegistry) == false)
-        {
-            rb.WithImageRegistry(options.ContainerRegistry);
-        }
-        rb.WithImage(options.ContainerImageName)
-          .WithImageTag(options.ContainerImageTag)
+        var rb = builder.AddResource(resource)
+          .WithAnnotation(new ContainerImageAnnotation { Image = options.ContainerImageName, Tag = options.ContainerImageTag, Registry = options.ContainerRegistry })
           .WithHttpEndpoint(port: options.Port, targetPort: options.TargetPort, name: JavaAppContainerResource.HttpEndpointName)
           .WithJavaDefaults(options);
+
         if (options.Args is { Length: > 0 })
         {
-#pragma warning disable CS8604 // Possible null reference argument.
             rb.WithArgs(options.Args);
-#pragma warning restore CS8604 // Possible null reference argument.
         }
 
         return rb;
@@ -52,10 +46,8 @@ public static IResourceBuilder<JavaAppContainerResource> AddJavaApp(this IDistri
     /// <param name="name">The name of the resource.</param>
     /// <param name="options">The <see cref="JavaAppContainerResourceOptions"/> to configure the Java application.</param>"
     /// <returns>A reference to the <see cref="IResourceBuilder{T}"/>.</returns>
-    public static IResourceBuilder<JavaAppContainerResource> AddSpringApp(this IDistributedApplicationBuilder builder, string name, JavaAppContainerResourceOptions options)
-    {
-        return builder.AddJavaApp(name, options);
-    }
+    public static IResourceBuilder<JavaAppContainerResource> AddSpringApp(this IDistributedApplicationBuilder builder, string name, JavaAppContainerResourceOptions options) =>
+        builder.AddJavaApp(name, options);
 
     /// <summary>
     /// Adds a Java application to the application model. Executes the executable Java app.
@@ -67,6 +59,11 @@ public static IResourceBuilder<JavaAppContainerResource> AddSpringApp(this IDist
     /// <returns>A reference to the <see cref="IResourceBuilder{T}"/>.</returns>
     public static IResourceBuilder<JavaAppExecutableResource> AddJavaApp(this IDistributedApplicationBuilder builder, string name, string workingDirectory, JavaAppExecutableResourceOptions options)
     {
+        ArgumentNullException.ThrowIfNull(builder, nameof(builder));
+        ArgumentNullException.ThrowIfNull(options, nameof(options));
+        ArgumentException.ThrowIfNullOrWhiteSpace(name, nameof(name));
+        ArgumentException.ThrowIfNullOrWhiteSpace(workingDirectory, nameof(workingDirectory));
+
 #pragma warning disable CS8601 // Possible null reference assignment.
         string[] allArgs = options.Args is { Length: > 0 }
             ? ["-jar", options.ApplicationName, .. options.Args]
@@ -90,10 +87,8 @@ public static IResourceBuilder<JavaAppExecutableResource> AddJavaApp(this IDistr
     /// <param name="workingDirectory">The working directory to use for the command. If null, the working directory of the current process is used.</param>
     /// <param name="options">The <see cref="JavaAppExecutableResourceOptions"/> to configure the Java application.</param>"
     /// <returns>A reference to the <see cref="IResourceBuilder{T}"/>.</returns>
-    public static IResourceBuilder<JavaAppExecutableResource> AddSpringApp(this IDistributedApplicationBuilder builder, string name, string workingDirectory, JavaAppExecutableResourceOptions options)
-    {
-        return builder.AddJavaApp(name, workingDirectory, options);
-    }
+    public static IResourceBuilder<JavaAppExecutableResource> AddSpringApp(this IDistributedApplicationBuilder builder, string name, string workingDirectory, JavaAppExecutableResourceOptions options) =>
+        builder.AddJavaApp(name, workingDirectory, options);
 
     private static IResourceBuilder<JavaAppContainerResource> WithJavaDefaults(
         this IResourceBuilder<JavaAppContainerResource> builder,

tests/Aspire.CommunityToolkit.Hosting.Java.Tests/ContainerResourceCreationTests.cs

@@ -0,0 +1,104 @@
+namespace Aspire.CommunityToolkit.Hosting.Java.Tests;
+public class ContainerResourceCreationTests
+{
+    [Fact]
+    public void AddJavaAppBuilderShouldNotBeNull()
+    {
+        IDistributedApplicationBuilder builder = null!;
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddJavaApp("java", new JavaAppContainerResourceOptions()));
+    }
+
+    [Fact]
+    public void AddSpringAppBuilderShouldNotBeNull()
+    {
+        IDistributedApplicationBuilder builder = null!;
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddSpringApp("spring", new JavaAppContainerResourceOptions()));
+    }
+
+    [Fact]
+    public void AddJavaAppNameShouldNotBeNullOrWhiteSpace()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddJavaApp(null!, new JavaAppContainerResourceOptions()));
+        Assert.Throws<ArgumentException>(() => builder.AddJavaApp("", new JavaAppContainerResourceOptions()));
+    }
+
+    [Fact]
+    public void AddSpringAppNameShouldNotBeNullOrWhiteSpace()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddSpringApp(null!, new JavaAppContainerResourceOptions()));
+        Assert.Throws<ArgumentException>(() => builder.AddSpringApp("", new JavaAppContainerResourceOptions()));
+    }
+
+    [Fact]
+    public void AddJavaAppContainerImageNameShouldNotBeNullOrWhiteSpace()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddJavaApp("java", new JavaAppContainerResourceOptions { ContainerImageName = null! }));
+        Assert.Throws<ArgumentException>(() => builder.AddJavaApp("java", new JavaAppContainerResourceOptions { ContainerImageName = "" }));
+    }
+
+    [Fact]
+    public void AddJavaAppContainerResourceOptionsShouldNotBeNull()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddJavaApp("java", null!));
+    }
+
+    [Fact]
+    public void AddSpringAppContainerResourceOptionsShouldNotBeNull()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddSpringApp("spring", null!));
+    }
+
+    [Fact]
+    public async Task AddJavaAppContainerDetailsSetOnResource()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        var options = new JavaAppContainerResourceOptions
+        {
+            ContainerImageName = "java-app",
+            ContainerRegistry = "docker.io",
+            ContainerImageTag = "latest",
+            Port = 8080,
+            TargetPort = 8080,
+            OtelAgentPath = "path/to/otel",
+            Args = ["arg1", "arg2"]
+        };
+
+        builder.AddJavaApp("java", options);
+
+        using var app = builder.Build();
+
+        var appModel = app.Services.GetRequiredService<DistributedApplicationModel>();
+
+        var resource = appModel.Resources.OfType<JavaAppContainerResource>().SingleOrDefault();
+
+        Assert.NotNull(resource);
+        Assert.Equal("java", resource.Name);
+
+        Assert.True(resource.TryGetLastAnnotation(out ContainerImageAnnotation? imageAnnotations));
+        Assert.Equal(options.ContainerImageName, imageAnnotations.Image);
+        Assert.Equal(options.ContainerRegistry, imageAnnotations.Registry);
+        Assert.Equal(options.ContainerImageTag, imageAnnotations.Tag);
+
+        Assert.True(resource.TryGetLastAnnotation(out EndpointAnnotation? httpEndpointAnnotations));
+        Assert.Equal(options.Port, httpEndpointAnnotations.Port);
+        Assert.Equal(options.TargetPort, httpEndpointAnnotations.TargetPort);
+
+        Assert.True(resource.TryGetLastAnnotation(out CommandLineArgsCallbackAnnotation? argsAnnotations));
+        CommandLineArgsCallbackContext context = new([]);
+        await argsAnnotations.Callback(context);
+        Assert.All(options.Args, arg => Assert.Contains(arg, context.Args));
+    }
+}

tests/Aspire.CommunityToolkit.Hosting.Java.Tests/ExecutableResourceCreationTests.cs

@@ -0,0 +1,101 @@
+namespace Aspire.CommunityToolkit.Hosting.Java.Tests;
+
+public class ExecutableResourceCreationTests
+{
+    [Fact]
+    public void AddJavaAppBuilderShouldNotBeNull()
+    {
+        IDistributedApplicationBuilder builder = null!;
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddJavaApp("java", Environment.CurrentDirectory, new JavaAppExecutableResourceOptions()));
+    }
+
+    [Fact]
+    public void AddSpringAppBuilderShouldNotBeNull()
+    {
+        IDistributedApplicationBuilder builder = null!;
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddSpringApp("spring", Environment.CurrentDirectory, new JavaAppExecutableResourceOptions()));
+    }
+
+    [Fact]
+    public void AddJavaAppNameShouldNotBeNullOrWhiteSpace()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddJavaApp(null!, Environment.CurrentDirectory, new JavaAppExecutableResourceOptions()));
+        Assert.Throws<ArgumentException>(() => builder.AddJavaApp("", Environment.CurrentDirectory, new JavaAppExecutableResourceOptions()));
+    }
+
+    [Fact]
+    public void AddSpringAppNameShouldNotBeNullOrWhiteSpace()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddSpringApp(null!, Environment.CurrentDirectory, new JavaAppExecutableResourceOptions()));
+        Assert.Throws<ArgumentException>(() => builder.AddSpringApp("", Environment.CurrentDirectory, new JavaAppExecutableResourceOptions()));
+    }
+
+    [Fact]
+    public void AddJavaAppWorkingDirectoryShouldNotBeNullOrWhiteSpace()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddJavaApp("java", null!, new JavaAppExecutableResourceOptions()));
+        Assert.Throws<ArgumentException>(() => builder.AddJavaApp("java", "", new JavaAppExecutableResourceOptions()));
+    }
+
+    [Fact]
+    public void AddJavaAppExecutableResourceOptionsShouldNotBeNull()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddJavaApp("java", Environment.CurrentDirectory, null!));
+    }
+
+    [Fact]
+    public void AddSpringAppContainerResourceOptionsShouldNotBeNull()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        Assert.Throws<ArgumentNullException>(() => builder.AddSpringApp("spring", Environment.CurrentDirectory, null!));
+    }
+
+    [Fact]
+    public async Task AddJavaAppContainerDetailsSetOnResource()
+    {
+        IDistributedApplicationBuilder builder = DistributedApplication.CreateBuilder();
+
+        var options = new JavaAppExecutableResourceOptions
+        {
+            ApplicationName = "test.jar",
+            Args = ["--test"],
+            OtelAgentPath = "otel-agent",
+            Port = 8080
+        };
+
+        builder.AddJavaApp("java", Environment.CurrentDirectory, options);
+
+        using var app = builder.Build();
+
+        var appModel = app.Services.GetRequiredService<DistributedApplicationModel>();
+
+        var resource = appModel.Resources.OfType<JavaAppExecutableResource>().SingleOrDefault();
+
+        Assert.NotNull(resource);
+        Assert.Equal("java", resource.Name);
+
+        Assert.Equal(Environment.CurrentDirectory, resource.WorkingDirectory);
+        Assert.Equal("java", resource.Command);
+
+        Assert.True(resource.TryGetLastAnnotation(out EndpointAnnotation? httpEndpointAnnotations));
+        Assert.Equal(options.Port, httpEndpointAnnotations.Port);
+
+        Assert.True(resource.TryGetLastAnnotation(out CommandLineArgsCallbackAnnotation? argsAnnotations));
+        CommandLineArgsCallbackContext context = new([]);
+        await argsAnnotations.Callback(context);
+        Assert.All(options.Args, arg => Assert.Contains(arg, context.Args));
+        Assert.Contains("-jar", context.Args);
+        Assert.Contains(options.ApplicationName, context.Args);
+    }
+}