Enable Pekko HTTP forked tests

Author: AlexeyKuznetsov-DD

dd-java-agent/instrumentation/pekko/pekko-http-1.0/build.gradle

@@ -45,6 +45,10 @@ sourceSets {
   latestPekko10Test.scala.srcDir sourceSets.baseTest.scala
 }
 
+['baseTest', 'latestPekko10Test', 'latestDepTest'].each {
+  addForkedTestTask(it)
+}
+
 dependencies {
   compileOnly libs.scala212
   compileOnly group: 'org.apache.pekko', name: 'pekko-http-core_2.12', version: '1.0.0'

dd-java-agent/instrumentation/pekko/pekko-http-1.0/src/baseTest/groovy/PekkoHttpClientInstrumentationTest.groovy

@@ -10,6 +10,7 @@ import datadog.trace.agent.test.naming.TestingGenericHttpNamingConventions
 import datadog.trace.api.DDSpanTypes
 import datadog.trace.bootstrap.instrumentation.api.Tags
 import datadog.trace.instrumentation.pekkohttp.PekkoHttpClientDecorator
+import datadog.trace.instrumentation.pekkohttp.PekkoHttpSingleRequestInstrumentation.SingleRequestContextPropagationAdvice
 import scala.compat.java8.FutureConverters
 import scala.concurrent.Future
 import spock.lang.Shared
@@ -61,6 +62,14 @@ abstract class PekkoHttpClientInstrumentationTest extends HttpClientTest {
     return false
   }
 
+  def "does not inject context into a null request"() {
+    when:
+    SingleRequestContextPropagationAdvice.methodEnter(null)
+
+    then:
+    noExceptionThrown()
+  }
+
   def "singleRequest exception trace"() {
     when:
     // Passing null causes NPE in singleRequest
@@ -73,14 +82,14 @@ abstract class PekkoHttpClientInstrumentationTest extends HttpClientTest {
         span {
           parent()
           operationName operation()
-          resourceName "pekko-http.client.request"
+          resourceName operation() // resource name is not set so defaults to operationName
           spanType DDSpanTypes.HTTP_CLIENT
           errored true
           tags {
             "$Tags.COMPONENT" "pekko-http-client"
             "$Tags.SPAN_KIND" Tags.SPAN_KIND_CLIENT
             errorTags(exception)
-            defaultTags()
+            defaultTags(false, false)
           }
         }
       }

dd-java-agent/instrumentation/pekko/pekko-http-1.0/src/main/java/datadog/trace/instrumentation/pekkohttp/PekkoHttpSingleRequestInstrumentation.java

@@ -115,6 +115,9 @@ public static class SingleRequestContextPropagationAdvice {
     @Advice.OnMethodEnter(suppress = Throwable.class)
     public static void methodEnter(
         @Advice.Argument(value = 0, readOnly = false) HttpRequest request) {
+      if (request == null) {
+        return;
+      }
       final PekkoHttpHeaders headers = new PekkoHttpHeaders(request);
       DECORATE.injectContext(currentContext(), request, headers);
       request = headers.getRequest();