1 files changed, 36 insertions, 0 deletions
diff --git a/appc-config/appc-flow-controller/provider/src/test/java/org/onap/appc/flow/controller/node/JsonValidatorTest.java b/appc-config/appc-flow-controller/provider/src/test/java/org/onap/appc/flow/controller/node/JsonValidatorTest.java
new file mode 100644
index 000000000..fd6f92018
--- /dev/null
+++ b/appc-config/appc-flow-controller/provider/src/test/java/org/onap/appc/flow/controller/node/JsonValidatorTest.java
@@ -0,0 +1,36 @@
+package org.onap.appc.flow.controller.node;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import java.io.IOException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class JsonValidatorTest {
+
+  @Test
+  public void should_return_json_node_on_valid_json() throws IOException {
+    String json = "{'test': 'OK'}".replaceAll("'", "\"");
+    JsonNode result = JsonValidator.validate(json);
+
+    Assert.assertNotNull(result);
+    Assert.assertTrue(result.has("test"));
+    Assert.assertEquals("OK", result.get("test").asText());
+  }
+
+  @Test
+  public void should_return_null_on_empty_input() throws IOException {
+    String json = "";
+    JsonNode result = JsonValidator.validate(json);
+
+    Assert.assertNull(result);
+  }
+
+  @Test
+  public void should_return_null_on_invalid_input() throws IOException {
+    String json = "{'test': 'OK'".replaceAll("'", "\"");
+    JsonNode result = JsonValidator.validate(json);
+
+    Assert.assertNull(result);
+  }
+
+}
+\ No newline at end of file