Added test for validation of graphql schema

codegen-sbt/src/sbt-test/compiletime-codegen/test-compile/build.sbt

@@ -38,6 +38,7 @@ lazy val sttp = Seq(
   "com.softwaremill.sttp.client3" %% "zio"  % "3.9.8"
 )
 
+lazy val zioTest = Seq("dev.zio" %% "zio-test" % "2.1.9" % Test)
 // ### App Modules ###
 
 /**
@@ -103,7 +104,7 @@ lazy val posts =
             )
         )
     )
-    .settings(libraryDependencies ++= calibanLib)
+    .settings(libraryDependencies ++= calibanLib ++ zioTest)
 
 lazy val potatoes =
   project

codegen-sbt/src/sbt-test/compiletime-codegen/test-compile/modules/posts/src/test/resources/postservice.graphql

@@ -0,0 +1,54 @@
+schema {
+  query: Query
+  mutation: Mutation
+  subscription: Subscription
+}
+scalar Unit
+
+input AuthorNameInput {
+  name: String!
+}
+
+input PostContentInput {
+  content: String!
+}
+
+input PostTitleInput {
+  title: String!
+}
+
+type AuthorName {
+  name: String!
+}
+
+type Mutation {
+  createPost(authorName: AuthorNameInput!, title: PostTitleInput!, content: PostContentInput!): Post
+  deletePost(id: ID!): Unit
+}
+
+type Post {
+  id: PostId!
+  author: AuthorName!
+  title: PostTitle!
+  content: PostContent!
+}
+
+type PostContent {
+  content: String!
+}
+
+type PostId {
+  id: ID!
+}
+
+type PostTitle {
+  title: String!
+}
+
+type Query {
+  postById(id: ID!): Post
+}
+
+type Subscription {
+  allPostsByAuthor(name: String!): Post
+}

codegen-sbt/src/sbt-test/compiletime-codegen/test-compile/modules/posts/src/test/scala/ValidateGraphQlSpec.scala

@@ -0,0 +1,24 @@
+import poc.caliban.posts.GraphQLApi
+
+import scala.io.Source
+import java.io.File
+import java.nio.file.{Files, Paths}
+import zio.test.Assertion._
+import zio.test._
+
+class ValidateGraphQlSpec extends ZIOSpecDefault {
+
+  override def spec =
+    suite("Validate Postservice")(
+      test("Render postservice as earlier") {
+        val filename = "postservice.graphql"
+        val expectedGraphQL: String = Source.fromResource(filename).getLines().mkString("\n")
+        val gqlApi = GraphQLApi.api
+        val renderContent: String = s"${gqlApi.render}"
+
+        //Files.writeString(Paths.get(File(s"/tmp/$filename").toURI), renderContent)
+
+        assertTrue(expectedGraphQL == renderContent)
+      }
+    )
+}

codegen-sbt/src/sbt-test/compiletime-codegen/test-compile/test

@@ -201,3 +201,5 @@ $ exists modules/potatoes-clients/src/main/scala/poc/caliban/client/generated/po
 -$ newer modules/posts/target/ctCalibanServer/touch modules/posts/target/ctCalibanServer/touch_old
 # TODO: This should be newer, sadly I don't find how to make it work.
 -$ newer modules/posts-clients/target/scala-2.12/src_managed/main/poc/caliban/client/generated/posts/CalibanClient.scala modules/posts-clients/tmp/CalibanClient.scala.old
+
+> reload; test