Enable Nulls on Contrib.Instrumentation.AWS & Test Projects

src/OpenTelemetry.Contrib.Instrumentation.AWS/.publicApi/net452/PublicAPI.Shipped.txt

@@ -1,6 +1,7 @@
+#nullable enable
 OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions
 OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions.AWSClientInstrumentationOptions() -> void
 OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions.SuppressDownstreamInstrumentation.get -> bool
 OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions.SuppressDownstreamInstrumentation.set -> void
 OpenTelemetry.Trace.TracerProviderBuilderExtensions
-static OpenTelemetry.Trace.TracerProviderBuilderExtensions.AddAWSInstrumentation(this OpenTelemetry.Trace.TracerProviderBuilder builder, System.Action<OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions> configure = null) -> OpenTelemetry.Trace.TracerProviderBuilder
+static OpenTelemetry.Trace.TracerProviderBuilderExtensions.AddAWSInstrumentation(this OpenTelemetry.Trace.TracerProviderBuilder! builder, System.Action<OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions!>? configure = null) -> OpenTelemetry.Trace.TracerProviderBuilder!

src/OpenTelemetry.Contrib.Instrumentation.AWS/.publicApi/net452/PublicAPI.Unshipped.txt

@@ -0,0 +1 @@
+#nullable enable

src/OpenTelemetry.Contrib.Instrumentation.AWS/.publicApi/netstandard2.0/PublicAPI.Shipped.txt

@@ -1,6 +1,7 @@
+#nullable enable
 OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions
 OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions.AWSClientInstrumentationOptions() -> void
 OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions.SuppressDownstreamInstrumentation.get -> bool
 OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions.SuppressDownstreamInstrumentation.set -> void
 OpenTelemetry.Trace.TracerProviderBuilderExtensions
-static OpenTelemetry.Trace.TracerProviderBuilderExtensions.AddAWSInstrumentation(this OpenTelemetry.Trace.TracerProviderBuilder builder, System.Action<OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions> configure = null) -> OpenTelemetry.Trace.TracerProviderBuilder
+static OpenTelemetry.Trace.TracerProviderBuilderExtensions.AddAWSInstrumentation(this OpenTelemetry.Trace.TracerProviderBuilder! builder, System.Action<OpenTelemetry.Contrib.Instrumentation.AWS.AWSClientInstrumentationOptions!>? configure = null) -> OpenTelemetry.Trace.TracerProviderBuilder!

src/OpenTelemetry.Contrib.Instrumentation.AWS/.publicApi/netstandard2.0/PublicAPI.Unshipped.txt

@@ -0,0 +1 @@
+#nullable enable

src/OpenTelemetry.Contrib.Instrumentation.AWS/Implementation/AWSTracingPipelineHandler.cs

@@ -73,7 +73,7 @@ public override void InvokeSync(IExecutionContext executionContext)
 
     public override async Task<T> InvokeAsync<T>(IExecutionContext executionContext)
     {
-        T ret = null;
+        T? ret = null;
 
         var activity = this.ProcessBeginRequest(executionContext);
         try
@@ -100,9 +100,9 @@ public override async Task<T> InvokeAsync<T>(IExecutionContext executionContext)
         return ret;
     }
 
-    private Activity ProcessBeginRequest(IExecutionContext executionContext)
+    private Activity? ProcessBeginRequest(IExecutionContext executionContext)
     {
-        Activity activity = null;
+        Activity? activity = null;
 
         var requestContext = executionContext.RequestContext;
         var service = AWSServiceHelper.GetAWSServiceName(requestContext);

src/OpenTelemetry.Contrib.Instrumentation.AWS/Implementation/Utils.cs

@@ -21,9 +21,9 @@ namespace OpenTelemetry.Contrib.Instrumentation.AWS.Implementation;
 
 internal class Utils
 {
-    internal static object GetTagValue(Activity activity, string tagName)
+    internal static object? GetTagValue(Activity activity, string tagName)
     {
-        foreach (KeyValuePair<string, object> tag in activity.TagObjects)
+        foreach (KeyValuePair<string, object?> tag in activity.TagObjects)
         {
             if (tag.Key.Equals(tagName))
             {

src/OpenTelemetry.Contrib.Instrumentation.AWS/OpenTelemetry.Contrib.Instrumentation.AWS.csproj

@@ -4,7 +4,8 @@
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
     <TargetFrameworks>netstandard2.0;net452</TargetFrameworks>
     <Description>AWS client instrumentation for OpenTelemetry .NET</Description>
-	<MinVerTagPrefix>Instrumentation.AWS-</MinVerTagPrefix>
+	  <MinVerTagPrefix>Instrumentation.AWS-</MinVerTagPrefix>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>

src/OpenTelemetry.Contrib.Instrumentation.AWS/TracerProviderBuilderExtensions.cs

@@ -34,7 +34,7 @@ public static class TracerProviderBuilderExtensions
     /// <returns>The instance of <see cref="TracerProviderBuilder"/> to chain the calls.</returns>
     public static TracerProviderBuilder AddAWSInstrumentation(
         this TracerProviderBuilder builder,
-        Action<AWSClientInstrumentationOptions> configure = null)
+        Action<AWSClientInstrumentationOptions>? configure = null)
     {
         Guard.ThrowIfNull(builder);
 

test/OpenTelemetry.Contrib.Instrumentation.AWS.Tests/OpenTelemetry.Contrib.Instrumentation.AWS.Tests.csproj

@@ -5,6 +5,7 @@
     <!-- OmniSharp/VS Code requires TargetFrameworks to be in descending order for IntelliSense and analysis. -->
     <TargetFrameworks>netcoreapp3.1</TargetFrameworks>
     <TargetFrameworks Condition="$(OS) == 'Windows_NT'">$(TargetFrameworks);net452</TargetFrameworks>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>

test/OpenTelemetry.Contrib.Instrumentation.AWS.Tests/Tools/CustomResponses.cs

@@ -36,30 +36,30 @@ internal static class CustomResponses
 {
 #if NET452
     public static void SetResponse(
-        AmazonServiceClient client, string content, string requestId, bool isOK)
+        AmazonServiceClient client, string? content, string requestId, bool isOK)
     {
         var response = Create(content, requestId, isOK);
         SetResponse(client, response);
     }
 
     public static void SetResponse(
         AmazonServiceClient client,
-        Func<MockHttpRequest, HttpWebResponse> responseCreator)
+        Func<MockHttpRequest, HttpWebResponse?> responseCreator)
     {
         var pipeline = client
             .GetType()
-            .GetProperty("RuntimePipeline", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic)
+            .GetProperty("RuntimePipeline", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic)?
             .GetValue(client, null)
             as RuntimePipeline;
 
         var requestFactory = new MockHttpRequestFactory();
         requestFactory.ResponseCreator = responseCreator;
         var httpHandler = new HttpHandler<Stream>(requestFactory, client);
-        pipeline.ReplaceHandler<HttpHandler<Stream>>(httpHandler);
+        pipeline?.ReplaceHandler<HttpHandler<Stream>>(httpHandler);
     }
 
-    private static Func<MockHttpRequest, HttpWebResponse> Create(
-        string content, string requestId, bool isOK)
+    private static Func<MockHttpRequest, HttpWebResponse?> Create(
+        string? content, string requestId, bool isOK)
     {
         var status = isOK ? HttpStatusCode.OK : HttpStatusCode.NotFound;
 
@@ -82,7 +82,7 @@ private static Func<MockHttpRequest, HttpWebResponse> Create(
         };
     }
 #else
-    public static void SetResponse(AmazonServiceClient client, string content, string requestId, bool isOK)
+    public static void SetResponse(AmazonServiceClient client, string? content, string requestId, bool isOK)
     {
         var response = Create(content, requestId, isOK);
         SetResponse(client, response);
@@ -92,18 +92,18 @@ public static void SetResponse(AmazonServiceClient client, Func<MockHttpRequest,
     {
         var pipeline = client
                 .GetType()
-                .GetProperty("RuntimePipeline", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic)
+                .GetProperty("RuntimePipeline", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic)?
                 .GetValue(client, null)
             as RuntimePipeline;
 
         var requestFactory = new MockHttpRequestFactory();
         requestFactory.ResponseCreator = responseCreator;
         var httpHandler = new HttpHandler<HttpContent>(requestFactory, client);
-        pipeline.ReplaceHandler<HttpHandler<HttpContent>>(httpHandler);
+        pipeline?.ReplaceHandler<HttpHandler<HttpContent>>(httpHandler);
     }
 
     private static Func<MockHttpRequest, HttpResponseMessage> Create(
-        string content, string requestId, bool isOK)
+        string? content, string requestId, bool isOK)
     {
         var status = isOK ? HttpStatusCode.OK : HttpStatusCode.NotFound;
 

test/OpenTelemetry.Contrib.Instrumentation.AWS.Tests/Tools/CustomWebResponse.cs

@@ -27,16 +27,16 @@ namespace OpenTelemetry.Contrib.Instrumentation.AWS.Tests;
 internal class CustomWebResponse : IWebResponseData
 {
     private HttpResponseMessageBody response;
-    private string[] headerNames;
-    private Dictionary<string, string> headers;
-    private HashSet<string> headerNamesSet;
+    private string[]? headerNames;
+    private Dictionary<string, string>? headers;
+    private HashSet<string>? headerNamesSet;
 
     public CustomWebResponse(HttpResponseMessage response)
         : this(response, null, false)
     {
     }
 
-    public CustomWebResponse(HttpResponseMessage responseMsg, HttpClient httpClient, bool disposeClient)
+    public CustomWebResponse(HttpResponseMessage responseMsg, HttpClient? httpClient, bool disposeClient)
     {
         this.response = new HttpResponseMessageBody(responseMsg, httpClient, disposeClient);
 
@@ -50,7 +50,7 @@ public CustomWebResponse(HttpResponseMessage responseMsg, HttpClient httpClient,
 
     public bool IsSuccessStatusCode { get; private set; }
 
-    public string ContentType { get; private set; }
+    public string? ContentType { get; private set; }
 
     public long ContentLength { get; private set; }
 
@@ -66,8 +66,8 @@ public static IWebResponseData GenerateWebResponse(HttpResponseMessage response)
 
     public string GetHeaderValue(string headerName)
     {
-        string headerValue;
-        if (this.headers.TryGetValue(headerName, out headerValue))
+        string? headerValue;
+        if (this.headers != null && this.headers.TryGetValue(headerName, out headerValue))
         {
             return headerValue;
         }
@@ -77,10 +77,10 @@ public string GetHeaderValue(string headerName)
 
     public bool IsHeaderPresent(string headerName)
     {
-        return this.headerNamesSet.Contains(headerName);
+        return this.headerNamesSet != null && this.headerNamesSet.Contains(headerName);
     }
 
-    public string[] GetHeaderNames()
+    public string[]? GetHeaderNames()
     {
         return this.headerNames;
     }
@@ -116,7 +116,7 @@ private void CopyHeaderValues(HttpResponseMessage response)
 
     private string GetFirstHeaderValue(HttpHeaders headers, string key)
     {
-        IEnumerable<string> headerValues = null;
+        IEnumerable<string>? headerValues = null;
         if (headers.TryGetValues(key, out headerValues))
         {
             return headerValues.FirstOrDefault();

test/OpenTelemetry.Contrib.Instrumentation.AWS.Tests/Tools/HttpResponseMessageBody.cs

@@ -24,12 +24,12 @@ namespace OpenTelemetry.Contrib.Instrumentation.AWS.Tests;
 
 internal class HttpResponseMessageBody : IHttpResponseBody
 {
-    private HttpClient httpClient;
+    private HttpClient? httpClient;
     private HttpResponseMessage response;
     private bool disposeClient = false;
     private bool disposed = false;
 
-    public HttpResponseMessageBody(HttpResponseMessage response, HttpClient httpClient, bool disposeClient)
+    public HttpResponseMessageBody(HttpResponseMessage response, HttpClient? httpClient, bool disposeClient)
     {
         this.httpClient = httpClient;
         this.response = response;
@@ -65,7 +65,8 @@ Task<Stream> IHttpResponseBody.OpenResponseAsync()
         }
         else
         {
-            return null;
+            var ms = new MemoryStream();
+            return Task.FromResult<Stream>(ms);
         }
     }
 

test/OpenTelemetry.Contrib.Instrumentation.AWS.Tests/Tools/MockHttpRequest.cs

@@ -32,9 +32,9 @@ namespace OpenTelemetry.Contrib.Instrumentation.AWS.Tests;
 #if NET452
 internal class MockHttpRequest : IHttpRequest<Stream>
 {
-    private Stream requestStream = null;
+    private Stream? requestStream = null;
 
-    public MockHttpRequest(Uri requestUri, Action action, Func<MockHttpRequest, HttpWebResponse> responseCreator = null)
+    public MockHttpRequest(Uri requestUri, Action? action, Func<MockHttpRequest, HttpWebResponse?>? responseCreator = null)
     {
         this.RequestUri = requestUri;
         this.GetResponseAction = action;
@@ -51,13 +51,13 @@ public MockHttpRequest(Uri requestUri, Action action, Func<MockHttpRequest, Http
 
     public bool IsGetRequestContentCalled { get; set; }
 
-    public string Method { get; set; }
+    public string? Method { get; set; }
 
     public Uri RequestUri { get; set; }
 
-    public Action GetResponseAction { get; set; }
+    public Action? GetResponseAction { get; set; }
 
-    public Func<MockHttpRequest, HttpWebResponse> ResponseCreator { get; set; }
+    public Func<MockHttpRequest, HttpWebResponse?> ResponseCreator { get; set; }
 
     public void ConfigureRequest(IRequestContext requestContext)
     {
@@ -106,7 +106,7 @@ public Task<Stream> GetRequestContentAsync()
         return Task.FromResult<Stream>(new MemoryStream());
     }
 
-    public Task<IWebResponseData> GetResponseAsync(System.Threading.CancellationToken cancellationToken)
+    public Task<IWebResponseData> GetResponseAsync(CancellationToken cancellationToken)
     {
         this.GetResponseAction?.Invoke();
 
@@ -144,7 +144,7 @@ private HttpWebResponse CreateResponse(MockHttpRequest request)
         var resourceName = request.RequestUri.Host.Split('.').Last();
         var response = MockWebResponse.CreateFromResource(resourceName);
 
-        if (response.StatusCode >= HttpStatusCode.OK && response.StatusCode <= (HttpStatusCode)299)
+        if (response?.StatusCode >= HttpStatusCode.OK && response.StatusCode <= (HttpStatusCode)299)
         {
             return response;
         }
@@ -157,7 +157,7 @@ private HttpWebResponse CreateResponse(MockHttpRequest request)
 #else
 internal class MockHttpRequest : IHttpRequest<HttpContent>
 {
-    public MockHttpRequest(Uri requestUri, Action action, Func<MockHttpRequest, HttpResponseMessage> responseCreator = null)
+    public MockHttpRequest(Uri requestUri, Action? action, Func<MockHttpRequest, HttpResponseMessage>? responseCreator = null)
     {
         this.RequestUri = requestUri;
         this.GetResponseAction = action;
@@ -174,11 +174,11 @@ public MockHttpRequest(Uri requestUri, Action action, Func<MockHttpRequest, Http
 
     public bool IsGetRequestContentCalled { get; set; }
 
-    public string Method { get; set; }
+    public string? Method { get; set; }
 
     public Uri RequestUri { get; set; }
 
-    public Action GetResponseAction { get; set; }
+    public Action? GetResponseAction { get; set; }
 
     public Func<MockHttpRequest, HttpResponseMessage> ResponseCreator { get; set; }
 
@@ -206,7 +206,7 @@ public HttpContent GetRequestContent()
         }
         catch (AggregateException e)
         {
-            throw e.InnerException;
+            throw e.InnerException ?? e;
         }
     }
 

test/OpenTelemetry.Contrib.Instrumentation.AWS.Tests/Tools/MockHttpRequestFactory.cs

@@ -27,11 +27,11 @@ namespace OpenTelemetry.Contrib.Instrumentation.AWS.Tests;
 #if NET452
 internal class MockHttpRequestFactory : IHttpRequestFactory<Stream>
 {
-    public Action GetResponseAction { get; set; }
+    public Action? GetResponseAction { get; set; }
 
-    public Func<MockHttpRequest, HttpWebResponse> ResponseCreator { get; set; }
+    public Func<MockHttpRequest, HttpWebResponse?>? ResponseCreator { get; set; }
 
-    public MockHttpRequest LastCreatedRequest { get; private set; }
+    public MockHttpRequest? LastCreatedRequest { get; private set; }
 
     public IHttpRequest<Stream> CreateHttpRequest(Uri requestUri)
     {
@@ -46,11 +46,11 @@ public void Dispose()
 #else
 internal class MockHttpRequestFactory : IHttpRequestFactory<HttpContent>
 {
-    public Action GetResponseAction { get; set; }
+    public Action? GetResponseAction { get; set; }
 
-    public MockHttpRequest LastCreatedRequest { get; private set; }
+    public MockHttpRequest? LastCreatedRequest { get; private set; }
 
-    public Func<MockHttpRequest, HttpResponseMessage> ResponseCreator { get; set; }
+    public Func<MockHttpRequest, HttpResponseMessage>? ResponseCreator { get; set; }
 
     public IHttpRequest<HttpContent> CreateHttpRequest(Uri requestUri)
     {