Improve coverage of res mgr hw

Issue-ID: VFC-764

Change-Id: I26052d87054fb447fa5c0da0d22dd90e1b69cbf5
Signed-off-by: Kanagaraj Manickam k00365106 <kanagaraj.manickam@huawei.com>

2 files changed, 28 insertions, 6 deletions

diff --git a/ResmanagementService/service/src/main/java/org/onap/vfc/nfvo/resmanagement/service/adapter/impl/ResmgrAdapterMgrService.java b/ResmanagementService/service/src/main/java/org/onap/vfc/nfvo/resmanagement/service/adapter/impl/ResmgrAdapterMgrService.java
index 12e4061..606ce50 100644
--- a/ResmanagementService/service/src/main/java/org/onap/vfc/nfvo/resmanagement/service/adapter/impl/ResmgrAdapterMgrService.java
+++ b/ResmanagementService/service/src/main/java/org/onap/vfc/nfvo/resmanagement/service/adapter/impl/ResmgrAdapterMgrService.java
@@ -82,14 +82,19 @@ public class ResmgrAdapterMgrService implements IResmgrAdapterMgrService {
      * @throws IOException
      */
     public static String readVimAdapterInfoFromJson() throws IOException {
-        String fileContent = "";
-
         String fileName = SystemEnvVariablesFactory.getInstance().getAppRoot() + System.getProperty("file.separator")
                 + "etc" + System.getProperty("file.separator") + "adapterInfo" + System.getProperty("file.separator")
                 + RESMGRADAPTERINFO;
 
-        try (InputStream ins = new FileInputStream(fileName)) {
-            try(BufferedInputStream bins = new BufferedInputStream(ins)) {
+        return readJson(fileName);
+    }
+
+    public static String readJson(String fileName) throws IOException {
+        String fileContent = "";
+
+        try (InputStream ins = new FileInputStream(fileName)){
+            try(BufferedInputStream bins = new BufferedInputStream(ins)){
+
                 byte[] contentByte = new byte[ins.available()];
                 int num = bins.read(contentByte);
 
@@ -104,6 +109,7 @@ public class ResmgrAdapterMgrService implements IResmgrAdapterMgrService {
         return fileContent;
     }
 
+
     private static class RegisterResmgrThread implements Runnable {
 
         private IResmgrAdapter2MSBManager adapter2MSBMgr = new ResmgrAdapter2MSBManager();
diff --git a/ResmanagementService/service/src/test/java/org/onap/vfc/nfvo/resmanagement/service/adapter/impl/ResmgrAdapterMgrServiceTest.java b/ResmanagementService/service/src/test/java/org/onap/vfc/nfvo/resmanagement/service/adapter/impl/ResmgrAdapterMgrServiceTest.java
index 3ddaf26..2c49ba3 100644
--- a/ResmanagementService/service/src/test/java/org/onap/vfc/nfvo/resmanagement/service/adapter/impl/ResmgrAdapterMgrServiceTest.java
+++ b/ResmanagementService/service/src/test/java/org/onap/vfc/nfvo/resmanagement/service/adapter/impl/ResmgrAdapterMgrServiceTest.java
@@ -16,11 +16,12 @@
 
 package org.onap.vfc.nfvo.resmanagement.service.adapter.impl;
 
+import java.io.File;
 import java.io.IOException;
 
 import org.junit.Test;
-import org.onap.vfc.nfvo.resmanagement.service.adapter.impl.ResmgrAdapterMgrService;
 
+import junit.framework.Assert;
 import mockit.Mock;
 import mockit.MockUp;
 
@@ -28,7 +29,7 @@ import mockit.MockUp;
  * <br>
  * <p>
  * </p>
- * 
+ *
  * @author
  * @version VFC 1.0 Sep 24, 2016
  */
@@ -66,4 +67,19 @@ public class ResmgrAdapterMgrServiceTest {
         ResmgrAdapterMgrService resmgrService = new ResmgrAdapterMgrService();
         resmgrService.register();
     }
+
+
+    @SuppressWarnings("deprecation")
+    @Test
+    public void testReadJson() {
+        File file = new File("./demo.json");
+        try {
+            file.createNewFile();
+            String content = ResmgrAdapterMgrService.readJson("./demo.json");
+            Assert.assertEquals(content,  "");
+            file.delete();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
 }