add private constructor

Change-Id: I89c40a4e566fcc00de2b3e9b49def9b04c366d24
Issue-ID: SDC-793
Signed-off-by: shrek2000 <orenkle@amdocs.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/common/openecomp-common-configuration-management/openecomp-configuration-management-core/src/test/java/org/openecomp/config/ConfigurationUtilsTest.java b/common/openecomp-common-configuration-management/openecomp-configuration-management-core/src/test/java/org/openecomp/config/ConfigurationUtilsTest.java
new file mode 100644
index 0000000000..d6bc1f637c
--- /dev/null
+++ b/common/openecomp-common-configuration-management/openecomp-configuration-management-core/src/test/java/org/openecomp/config/ConfigurationUtilsTest.java
@@ -0,0 +1,24 @@
+package org.openecomp.config;
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.Assert.assertTrue;
+
+public class ConfigurationUtilsTest {
+    @Test
+    public void testCommaList() {
+        List list = Arrays.asList("1", "2", 3);
+        String commaSeparatedList = ConfigurationUtils.getCommaSeparatedList(list);
+        list.forEach(o -> assertTrue(commaSeparatedList.contains(o.toString())));
+    }
+
+    @Test
+    public void testCommaListWithNullAndEmptyStrings() {
+        List list = Arrays.asList(null, "", " ");
+        String commaSeparatedList = ConfigurationUtils.getCommaSeparatedList(list);
+        assertTrue(commaSeparatedList.isEmpty());
+    }
+}
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