Junit Coverage for Import Black List Entries

Issue-ID: POLICY-901
Change-Id: I3776d3c4ed01bb27ed930c074c370361e33b100a
Signed-off-by: rb7147 <rb7147@att.com>

1 files changed, 36 insertions, 68 deletions

diff --git a/POLICY-SDK-APP/src/test/java/org/onap/policy/controller/ExportAndImportDecisionBlackListEntriesTest.java b/POLICY-SDK-APP/src/test/java/org/onap/policy/controller/ExportAndImportDecisionBlackListEntriesTest.java
index 0457f2b92..e9f953b87 100644
--- a/POLICY-SDK-APP/src/test/java/org/onap/policy/controller/ExportAndImportDecisionBlackListEntriesTest.java
+++ b/POLICY-SDK-APP/src/test/java/org/onap/policy/controller/ExportAndImportDecisionBlackListEntriesTest.java
@@ -17,6 +17,7 @@
  * limitations under the License.
  * ============LICENSE_END=========================================================
  */
+
 package org.onap.policy.controller;
 
 import static org.junit.Assert.assertTrue;
@@ -24,103 +25,70 @@ import static org.junit.Assert.fail;
 import static org.mockito.Mockito.mock;
 
 import java.io.BufferedReader;
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.StringReader;
-
-import javax.servlet.ReadListener;
-import javax.servlet.ServletInputStream;
 import javax.servlet.http.HttpServletRequest;
-
 import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.Mockito;
-import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
+import org.springframework.mock.web.MockMultipartFile;
+import org.springframework.mock.web.MockMultipartHttpServletRequest;
+import org.springframework.util.FileCopyUtils;
 
 public class ExportAndImportDecisionBlackListEntriesTest {
 
     private HttpServletRequest request;
     private MockHttpServletResponse response;
     String jsonString;
-    
+
     @Before
     public void setUp() throws Exception {
-        request = mock(HttpServletRequest.class);       
-        response =  new MockHttpServletResponse();
+        request = mock(HttpServletRequest.class);
+        response = new MockHttpServletResponse();
     }
-    
+
     @Test
-    public void testExportBlackList() throws IOException{
+    public void testExportBlackList() throws IOException {
         ClassLoader classLoader = getClass().getClassLoader();
         jsonString = IOUtils.toString(classLoader.getResourceAsStream("DecisionPolicyData.txt"));
-        try(BufferedReader reader = new BufferedReader(new StringReader(jsonString))){
+        try (BufferedReader reader = new BufferedReader(new StringReader(jsonString))) {
             Mockito.when(request.getReader()).thenReturn(reader);
             ExportAndImportDecisionBlackListEntries controller = new ExportAndImportDecisionBlackListEntries();
             controller.exportBlackList(request, response);
             assertTrue("".equals(response.getContentAsString()));
-        }catch(Exception e){
+        } catch (Exception e) {
             fail("Not expecting Exception while Exporting BlackListEntries.");
         }
     }
-    
+
     @Test
-    public void testImportBlackList() throws Exception{
-        MockHttpServletRequest request =  new MockHttpServletRequest();
-        ExportAndImportDecisionBlackListEntries controller = new ExportAndImportDecisionBlackListEntries();
-        File file = new File("src/test/resources/BlackList.xls");
-        try(FileInputStream targetStream = new FileInputStream(file)){
-            ExportAndImportDecisionBlackListEntriesTest testController = Mockito.mock(ExportAndImportDecisionBlackListEntriesTest.class);
-            ServletInputStream inputStream = testController.getInputStream(getBytes(targetStream));
-            Mockito.when(request.getInputStream()).thenReturn(inputStream);
-            String boundary = "===" + System.currentTimeMillis() + "===";
-            request.addHeader("Content-Type", "multipart/form-data; boundary=" + boundary);
-            request.addHeader("name", "BlackList.xls");
-            controller.importBlackListFile(request, response);
-            assertTrue(response.getContentAsString().contains("data"));
-        }catch(Exception e){
-            fail("Not expecting Exception while importing BlackListEntries.");
-        }
-    }
-    
-    public static byte[] getBytes(InputStream is) throws IOException {
-        int len;
-        int size = 1024;
-        byte[] buf;
-        ByteArrayOutputStream bos = new ByteArrayOutputStream();
-        buf = new byte[size];
-        while ((len = is.read(buf, 0, size)) != -1)
-            bos.write(buf, 0, len);
-        buf = bos.toByteArray();
-        return buf;
-    }
-    
-    public ServletInputStream getInputStream(byte[] body) throws IOException { 
-        final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body); 
-        ServletInputStream servletInputStream = new ServletInputStream() { 
-            public int read() throws IOException { 
-                return byteArrayInputStream.read(); 
-            }
+    public void testImportBlackList() throws Exception {
+        byte[] fileContent = FileCopyUtils
+                .copyToByteArray(Thread.currentThread().getContextClassLoader().getResourceAsStream("BlackList.xls"));
+
+        MockMultipartFile file = new MockMultipartFile("BlackList.xls",
+                Thread.currentThread().getContextClassLoader().getResourceAsStream("BlackList.xls"));
+
+        MockMultipartHttpServletRequest req = new MockMultipartHttpServletRequest();
+        req.setMethod("POST");
 
-            @Override
-            public boolean isFinished() {
-                return false;
-            }
+        String boundary = "JPnJUN6FOo0qLySf-__r_RY1nQE7QOXXJ_nLK1s";
+        req.setContentType("multipart/form-data; boundary=" + boundary);
 
-            @Override
-            public boolean isReady() {
-                return false;
-            }
+        String start = "--" + boundary + "\r\n Content-Disposition: form-data; name=\"file\"; filename=\""
+                + "BlackList.xls" + "\"\r\n" + "Content-type: " + "application/vnd.ms-excel" + "\r\n\r\n";
 
-            @Override
-            public void setReadListener(ReadListener readListener) {
-            } 
-        }; 
-        return servletInputStream; 
-    } 
+        String end = "\r\n--" + boundary + "--";
+        req.setContent(ArrayUtils.addAll(start.getBytes(), ArrayUtils.addAll(fileContent, end.getBytes())));
+        req.addHeader("name", "BlackList.xls");
+        req.addFile(file);
+        ExportAndImportDecisionBlackListEntries controller = new ExportAndImportDecisionBlackListEntries();
+        MockHttpServletResponse resp = new MockHttpServletResponse();
+        controller.importBlackListFile(req, resp);
+        assertTrue(resp.getContentAsString().contains("data"));
+
+    }
 }