From 8995d89599690867782ed43e5a9bce47016bd2eb Mon Sep 17 00:00:00 2001
From: Sergey Rostov <sergey.rostov@jetbrains.com>
Date: Thu, 6 Jun 2019 09:14:56 +0300
Subject: [PATCH] Gradle, js, karma: don't run karma if no browsers configured

#KT-31662 Fixed
---
 .../kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt
index f78632bdf00..b8a0e34a77e 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/testing/karma/KotlinKarma.kt
@@ -191,6 +191,10 @@ class KotlinKarma(override val compilation: KotlinJsCompilation) : KotlinJsTestF
         forkOptions: ProcessForkOptions,
         nodeJsArgs: MutableList<String>
     ): TCServiceMessagesTestExecutionSpec {
+        if (config.browsers.isEmpty()) {
+            error("No browsers configured for $task")
+        }
+
         val clientSettings = TCServiceMessagesClientSettings(
             task.name,
             testNameSuffix = task.targetName,