1 files changed, 107 insertions, 0 deletions
diff --git a/appc-common/src/test/java/org/onap/appc/util/TestStringHelper.java b/appc-common/src/test/java/org/onap/appc/util/TestStringHelper.java
new file mode 100644
index 000000000..06957cf2d
--- /dev/null
+++ b/appc-common/src/test/java/org/onap/appc/util/TestStringHelper.java
@@ -0,0 +1,107 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+
+
+package org.onap.appc.util;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import java.util.Properties;
+
+import org.junit.Test;
+import org.onap.appc.util.StringHelper;
+
+
+public class TestStringHelper {
+
+    @Test
+    public void testAsListWithNullList() {
+        String value = StringHelper.asList((String[]) null);
+        assertNotNull(value);
+        assertEquals("[]", value);
+    }
+
+    @Test
+    public void testAsListWithEmptyList() {
+        String value = StringHelper.asList(new String[] {});
+        assertNotNull(value);
+        assertEquals("[]", value);
+    }
+
+    @Test
+    public void testAsListWithSingleValue() {
+        String value = StringHelper.asList("one");
+        assertNotNull(value);
+        assertEquals("[one]", value);
+    }
+
+    @Test
+    public void testAsListWithTwoValues() {
+        String value = StringHelper.asList("one", "two");
+        assertNotNull(value);
+        assertEquals("[one,two]", value);
+    }
+
+    @Test
+    public void testAsListWithFiveValues() {
+        String value = StringHelper.asList("one", "two", "three", "four", "five");
+        assertNotNull(value);
+        assertEquals("[one,two,three,four,five]", value);
+    }
+
+    @Test
+    public void testPropertiesToString() {
+        String key1 = "key1";
+        String val1 = "val1";
+        String key2 = "key2";
+        String val2 = "val2";
+
+        assertEquals(null, StringHelper.propertiesToString(null));
+
+        Properties props = new Properties();
+
+        String result = StringHelper.propertiesToString(props);
+        assertNotNull(result);
+        assertEquals("[ ]", result);
+
+        props.setProperty(key1, val1);
+        result = StringHelper.propertiesToString(props);
+        assertNotNull(result);
+        assertTrue(result.contains(key1));
+        assertTrue(result.contains(val1));
+        assertTrue(result.lastIndexOf(",") < result.length() - 3); // No trailing comma
+
+        props.setProperty(key2, val2);
+        result = StringHelper.propertiesToString(props);
+        assertNotNull(result);
+        assertTrue(result.contains(key1));
+        assertTrue(result.contains(val1));
+        assertTrue(result.contains(key2));
+        assertTrue(result.contains(val2));
+        assertTrue(result.lastIndexOf(",") < result.length() - 3); // No trailing comma
+    }
+}