fix: gradle plugin was missing scalaPB generated files from library protos

Author: GreyPlane

gradle-plugin/src/main/groovy/akka/grpc/gradle/AkkaGrpcPlugin.groovy

@@ -73,6 +73,11 @@ class AkkaGrpcPlugin implements Plugin<Project> {
                     // Play conventions:
                     srcDir 'app/protobuf'
                     srcDir 'app/proto'
+                    if (akkaGrpcExt.scala) {
+                        // TODO inject this into scalapb-protoc' option, also make sure generated scalapb proto file not depends on java proto file
+                        // library protos
+                        srcDir 'build/extracted-include-protos/main'
+                    }
                 }
             }
         }

plugin-tester-scala/build.gradle

@@ -39,6 +39,7 @@ def akkaHttpVersion = "10.6.0"
 dependencies {
   implementation group: 'ch.megard', name: "akka-http-cors_${scalaBinaryVersion}", version: '1.1.3'
   implementation "com.typesafe.akka:akka-pki_${scalaBinaryVersion}:${akkaVersion}"
+  implementation "com.typesafe.akka:akka-actor-typed_${scalaBinaryVersion}:${akkaVersion}"
   testImplementation "com.typesafe.akka:akka-stream-testkit_${scalaBinaryVersion}:${akkaVersion}"
   testImplementation "com.typesafe.akka:akka-actor-testkit-typed_${scalaBinaryVersion}:${akkaVersion}"
   testImplementation "org.scalatest:scalatest_${scalaBinaryVersion}:3.2.12"

plugin-tester-scala/src/main/proto/shelf.proto

@@ -1,6 +1,8 @@
 syntax = "proto3";
 
+//#import-external-proto-files
 import "google/api/annotations.proto";
+//#import-external-proto-files
 
 option java_multiple_files = true;
 option java_package = "example.myapp.shelf.grpc";

plugin-tester-scala/src/test/scala/example/myapp/helloworld/ShelfServiceHttpTranscodingSpec.scala

@@ -13,13 +13,16 @@ import akka.http.scaladsl.model.StatusCodes
 import akka.http.scaladsl.unmarshalling.Unmarshal
 import example.myapp.shelf.ShelfServer
 import example.myapp.shelf.grpc._
+import org.junit.runner.RunWith
 import org.scalatest.BeforeAndAfterAll
 import org.scalatest.wordspec.AnyWordSpecLike
+import org.scalatestplus.junit.JUnitRunner
 import spray.json.DefaultJsonProtocol._
 import spray.json._
 
 import scala.concurrent.ExecutionContextExecutor
 
+@RunWith(classOf[JUnitRunner])
 class ShelfServiceHttpTranscodingSpec
     extends ScalaTestWithActorTestKit(config = "akka.http.server.enable-http2 = on")
     with AnyWordSpecLike

project/Dependencies.scala

@@ -23,6 +23,7 @@ object Dependencies {
     val akkaHttpBinary = "10.6"
 
     val grpc = "1.60.0" // checked synced by VersionSyncCheckPlugin
+    val grpcGoogleProto = "2.22.0"
 
     // Even referenced explicitly in the sbt-plugin's sbt-tests
     // If changing this, remember to update protoc plugin version to align in
@@ -108,13 +109,15 @@ object Dependencies {
     Compile.scalapbCompilerPlugin,
     Protobuf.protobufJava, // or else scalapb pulls older version in transitively
     Compile.grpcProtobuf,
+    GrpcApi.googleApiProtos,
     Test.scalaTest)
 
   val runtime = l ++= Seq(
     Compile.scalapbRuntime,
+    Compile.scalapbRuntime % "protobuf",
     Protobuf.protobufJava, // or else scalapb pulls older version in transitively
     Protobuf.protobufJavaUtil,
-    Protobuf.googleCommonProtos,
+    GrpcApi.googleApiProtos.intransitive(),
     Compile.grpcProtobuf,
     Compile.grpcCore,
     Compile.grpcStub % "provided", // comes from the generators