From 4e3b7b95085d8a0ca9153f02f5c833876512f50a Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Tue, 10 Oct 2017 17:54:02 +0200
Subject: [PATCH] junit 5: don't create empty unique id suites

---
 .../intellij/execution/junit/UniqueIdConfigurationProducer.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/junit/src/com/intellij/execution/junit/UniqueIdConfigurationProducer.java b/plugins/junit/src/com/intellij/execution/junit/UniqueIdConfigurationProducer.java
index ea142c04291a..183426b63112 100644
--- a/plugins/junit/src/com/intellij/execution/junit/UniqueIdConfigurationProducer.java
+++ b/plugins/junit/src/com/intellij/execution/junit/UniqueIdConfigurationProducer.java
@@ -42,7 +42,7 @@ public class UniqueIdConfigurationProducer extends JUnitConfigurationProducer {
       Arrays.stream(testProxies).map(testProxy -> TestUniqueId.getEffectiveNodeId(testProxy, project, searchScope))
         .filter(Objects::nonNull)
         .toArray(String[]::new);
-    if (nodeIds == null) return false;
+    if (nodeIds == null || nodeIds.length == 0) return false;
     final JUnitConfiguration.Data data = configuration.getPersistentData();
     data.setUniqueIds(nodeIds);
     data.TEST_OBJECT = JUnitConfiguration.TEST_UNIQUE_ID;