Add scripted test, downgrade sbt-typelevel to publish to legacy sonatype

Author: kubukoz

project/plugins.sbt

@@ -1,2 +1,2 @@
-addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.8.0")
-addSbtPlugin("org.typelevel" % "sbt-typelevel-mergify" % "0.8.0")
+addSbtPlugin("org.typelevel" % "sbt-typelevel" % "0.7.7")
+addSbtPlugin("org.typelevel" % "sbt-typelevel-mergify" % "0.7.7")

sbtPlugin/src/sbt-test/codegen/sample-traits/build.sbt

@@ -0,0 +1,13 @@
+val traits = project
+  .enablePlugins(SmithyTraitCodegenPlugin)
+  .settings(
+    smithyTraitCodegenDependencies := List(
+      "io.github.disneystreaming.alloy" % "alloy-core" % "0.3.23"
+    ),
+    smithyTraitCodegenJavaPackage := "demo",
+    smithyTraitCodegenNamespace := "demo",
+  )
+
+val root = project
+  .in(file("."))
+  .dependsOn(traits)

sbtPlugin/src/sbt-test/codegen/sample-traits/project/plugins.sbt

@@ -0,0 +1,5 @@
+sys.props.get("plugin.version") match {
+  case Some(x) => addSbtPlugin("org.polyvariant" % "smithy-trait-codegen-sbt" % x)
+  case _       => sys.error("""|The system property 'plugin.version' is not defined.
+                         |Specify this property using the scriptedLaunchOpts -D.""".stripMargin)
+}

sbtPlugin/src/sbt-test/codegen/sample-traits/src/main/scala/Demo.scala

@@ -0,0 +1,35 @@
+import software.amazon.smithy.model.Model
+
+object DemoApp extends App {
+  val trt = demo.MyTrait.builder().name("hello").build()
+  assert(
+    trt.getName() == "hello",
+    s"Expected name to be hello but it was: ${trt.getName()}",
+  )
+
+  val model = Model
+    .assembler()
+    .addUnparsedModel(
+      "test.smithy",
+      """$version: "2"
+        |namespace test
+        |
+        |@demo#myTrait(name: "hello")
+        |structure Test {}
+        |""".stripMargin,
+    )
+    .discoverModels()
+    .assemble()
+    .unwrap()
+
+  val traitInModel = model
+    .getShapesWithTrait(classOf[demo.MyTrait])
+    .iterator()
+    .next()
+    .expectTrait(classOf[demo.MyTrait])
+
+  assert(
+    traitInModel == trt,
+    s"Expected trait in model to be equal to the one created, but they were not: $traitInModel != $trt",
+  )
+}

sbtPlugin/src/sbt-test/codegen/sample-traits/test

@@ -0,0 +1 @@
+> run

sbtPlugin/src/sbt-test/codegen/sample-traits/traits/src/main/resources/META-INF/smithy/demo.smithy

@@ -0,0 +1,9 @@
+$version: "2"
+
+namespace demo
+
+@trait
+structure myTrait {
+    @required
+    name: String
+}

sbtPlugin/src/sbt-test/codegen/sample-traits/traits/src/main/resources/META-INF/smithy/manifest

@@ -0,0 +1 @@
+demo.smithy