Explicit targets and dependencies declarations

Author: whyoleg

build-logic/src/main/kotlin/rsocketbuild.multiplatform.gradle.kts

@@ -14,13 +14,17 @@
  * limitations under the License.
  */
 
+import org.jetbrains.kotlin.gradle.plugin.*
+import org.jetbrains.kotlin.gradle.plugin.mpp.*
+import org.jetbrains.kotlin.gradle.targets.js.ir.*
+import org.jetbrains.kotlin.gradle.targets.jvm.*
+import rsocketbuild.*
+
 plugins {
     kotlin("multiplatform")
 }
 
 kotlin {
-    jvmToolchain(8)
-
     targets.configureEach {
         compilations.configureEach {
             compilerOptions.configure {
@@ -29,6 +33,47 @@ kotlin {
         }
     }
 
+    targets.withType<KotlinJvmTarget>().configureEach {
+        testRuns.configureEach {
+            executionTask.configure {
+                // ActiveProcessorCount is used here, to make sure local setup is similar as on CI
+                // GitHub Actions linux runners have 2 cores
+                jvmArgs("-Xmx1g", "-XX:ActiveProcessorCount=2")
+            }
+        }
+    }
+
+    // revisit JS block after WASM support
+    targets.withType<KotlinJsIrTarget>().configureEach {
+        whenBrowserConfigured {
+            testTask {
+                useKarma {
+                    useConfigDirectory(rootDir.resolve("gradle/js/karma.config.d"))
+                    useChromeHeadless()
+                }
+            }
+        }
+        whenNodejsConfigured {
+            testTask {
+                useMocha {
+                    timeout = "600s"
+                }
+            }
+        }
+    }
+
+    targets.withType<KotlinNativeTargetWithTests<*>>().configureEach {
+        //setup tests running in RELEASE mode
+        binaries.test(listOf(NativeBuildType.RELEASE))
+        testRuns.create("releaseTest") {
+            setExecutionSourceFrom(binaries.getTest(NativeBuildType.RELEASE))
+        }
+        //don't even link tests if we can't run them (like, linux on macos, or mingw on linux/macos, etc)
+        testRuns.configureEach {
+            executionSource.binary.linkTaskProvider.get().enabled = (this as ExecutionTaskHolder<*>).executionTask.get().enabled
+        }
+    }
+
     sourceSets.configureEach {
         languageSettings {
             progressiveMode = true