From 85399bc969838f8e3e18eedf210a464f42583585 Mon Sep 17 00:00:00 2001
From: cristiangarcia <Cristian.Garcia-Marin@jetbrains.com>
Date: Wed, 7 Feb 2024 22:19:59 +0100
Subject: [PATCH] Fake service to limit tests concurrency

Required for KTI-1553
---
 .../src/main/kotlin/ConcurrencyLimitService.kt       | 12 ++++++++++++
 .../buildsrc-compat/src/main/kotlin/tasks.kt         |  5 +++++
 2 files changed, 17 insertions(+)
 create mode 100644 repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/ConcurrencyLimitService.kt

diff --git a/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/ConcurrencyLimitService.kt b/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/ConcurrencyLimitService.kt
new file mode 100644
index 00000000000..8be116a43dd
--- /dev/null
+++ b/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/ConcurrencyLimitService.kt
@@ -0,0 +1,12 @@
+import org.gradle.api.services.BuildService
+import org.gradle.api.services.BuildServiceParameters
+
+/*
+ * Copyright 2010-2024 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+abstract class ConcurrencyLimitService : BuildService<ConcurrencyLimitService.Params> {
+    interface Params : BuildServiceParameters
+
+}
\ No newline at end of file
diff --git a/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/tasks.kt b/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/tasks.kt
index 5e2c93289a8..04d490e846c 100644
--- a/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/tasks.kt
+++ b/repo/gradle-build-conventions/buildsrc-compat/src/main/kotlin/tasks.kt
@@ -120,6 +120,10 @@ fun Project.projectTest(
     defineJDKEnvVariables: List<JdkMajorVersion> = emptyList(),
     body: Test.() -> Unit = {},
 ): TaskProvider<Test> {
+    val concurrencyLimitService =
+        project.gradle.sharedServices.registerIfAbsent("concurrencyLimitService", ConcurrencyLimitService::class) {
+            maxParallelUsages = 1
+        }
     val shouldInstrument = project.providers.gradleProperty("kotlin.test.instrumentation.disable")
         .orNull?.toBoolean() != true
     if (shouldInstrument) {
@@ -202,6 +206,7 @@ fun Project.projectTest(
             defaultMaxMemoryPerTestWorkerMb
 
         maxHeapSize = "${memoryPerTestProcessMb}m"
+        usesService(concurrencyLimitService)
 
         if (minHeapSizeMb != null) {
             minHeapSize = "${minHeapSizeMb}m"