Test coverage in RestAdapterImpl

Increased coverage from 69% to 98%
Fixed Sonar major issue for branch coverage

Issue-ID: APPC-1512
Change-Id: Idb989cf6266b4e7c7dda1e9bca72483038649eda
Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>

1 files changed, 77 insertions, 95 deletions

diff --git a/appc-adapters/appc-rest-adapter/appc-rest-adapter-bundle/src/test/java/org/onap/appc/adapter/rest/impl/TestRestAdapterImpl.java b/appc-adapters/appc-rest-adapter/appc-rest-adapter-bundle/src/test/java/org/onap/appc/adapter/rest/impl/TestRestAdapterImpl.java
index f056ceb09..5087cfa84 100644
--- a/appc-adapters/appc-rest-adapter/appc-rest-adapter-bundle/src/test/java/org/onap/appc/adapter/rest/impl/TestRestAdapterImpl.java
+++ b/appc-adapters/appc-rest-adapter/appc-rest-adapter-bundle/src/test/java/org/onap/appc/adapter/rest/impl/TestRestAdapterImpl.java
@@ -10,6 +10,8 @@
  * =============================================================================
  * Modifications Copyright (C) 2018 Samsung
  * ================================================================================
+ * Modifications Copyright (C) 2019 Ericsson
+ * ================================================================================
  * 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
@@ -28,32 +30,48 @@
 package org.onap.appc.adapter.rest.impl;
 
 import static org.junit.Assert.assertEquals;
-
+import static org.junit.Assert.assertNotNull;
 import java.io.IOException;
+import java.net.MalformedURLException;
 import java.util.HashMap;
 import java.util.Map;
-
+import org.apache.http.HttpEntity;
+import org.apache.http.StatusLine;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpDelete;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.client.methods.HttpPut;
 import org.apache.http.client.methods.HttpRequestBase;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.apache.http.ssl.SSLContexts;
 import org.apache.http.util.EntityUtils;
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
-
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
 import org.onap.appc.exceptions.APPCException;
-import com.att.cdp.exceptions.ZoneException;
 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+import com.att.cdp.exceptions.ZoneException;
 
 
 /**
  * Test the ProviderAdapter implementation.
  */
+@RunWith(PowerMockRunner.class)
+@PrepareForTest({HttpClients.class, SSLContexts.class})
 public class TestRestAdapterImpl {
     private RestAdapterImpl adapter;
-
+    private CloseableHttpClient client;
+    private CloseableHttpResponse httpResponse;
+    private HttpEntity httpEntity;
+    private StatusLine statusLine;
 
     @SuppressWarnings("nls")
     @BeforeClass
@@ -62,11 +80,20 @@ public class TestRestAdapterImpl {
     }
 
     @Before
-    public void setup() throws IllegalArgumentException, IllegalAccessException {
-
+    public void setup() throws IllegalArgumentException, IllegalAccessException, ClientProtocolException, IOException {
+        client = Mockito.mock(CloseableHttpClient.class);
+        PowerMockito.mockStatic(HttpClients.class);
+        PowerMockito.when(HttpClients.createDefault()).thenReturn(client);
+        httpResponse = Mockito.mock(CloseableHttpResponse.class);
+        statusLine = Mockito.mock(StatusLine.class);
+        Mockito.when(statusLine.getStatusCode()).thenReturn(200);
+        Mockito.when(httpResponse.getStatusLine()).thenReturn(statusLine);
+        httpEntity = Mockito.mock(HttpEntity.class);
+        Mockito.when(httpResponse.getEntity()).thenReturn(httpEntity);
+        Mockito.when(client.execute(Mockito.any())).thenReturn(httpResponse);
         adapter = new RestAdapterImpl();
     }
-    
+
     @Test
     public void testCreateHttpRequestGet() throws IOException, IllegalStateException, IllegalArgumentException,
         ZoneException, APPCException {
@@ -82,41 +109,8 @@ public class TestRestAdapterImpl {
     }
 
     @Test
-    public void testCreateRequestNoParamGet() throws IOException, IllegalStateException, IllegalArgumentException,
-            ZoneException, APPCException {
-
-        SvcLogicContext ctx = new SvcLogicContext();
-        Map<String, String> params = new HashMap<>();
-
-        adapter.commonGet(params, ctx);
-
-        assertEquals("failure", ctx.getStatus());
-        assertEquals("500", ctx.getAttribute("org.onap.rest.result.code"));
-        assertEquals("java.lang.IllegalArgumentException: HTTP request may not be null",
-                     ctx.getAttribute("org.onap.rest.result.message"));
-    }
-
-    @Test
-    public void testCreateRequestInvalidParamGet() throws IOException, IllegalStateException, IllegalArgumentException,
-            ZoneException, APPCException {
-
-        SvcLogicContext ctx = new SvcLogicContext();
-        Map<String, String> params = new HashMap<>();
-        params.put("org.onap.appc.instance.URI", "boo");
-        params.put("org.onap.appc.instance.haveHeader","false");
-        params.put("org.onap.appc.instance.requestBody", "{\"name\":\"MyNode2\", \"width\":300, \"height\":300}");
-
-        adapter.commonGet(params, ctx);
-
-        assertEquals("failure", ctx.getStatus());
-        assertEquals("500", ctx.getAttribute("org.onap.rest.result.code"));
-        assertEquals("org.apache.http.client.ClientProtocolException",
-                     ctx.getAttribute("org.onap.rest.result.message"));
-    }
-    
-    @Test
     public void testCreateHttpRequestPost() throws IOException, IllegalStateException, IllegalArgumentException,
-        ZoneException, APPCException {    
+        ZoneException, APPCException {
 
         Map<String, String> params = new HashMap<>();
         params.put("org.onap.appc.instance.URI", "http://example.com:8081/posttest");
@@ -131,24 +125,9 @@ public class TestRestAdapterImpl {
     }
 
     @Test
-    public void testCreateRequestNoParamPost() throws IOException, IllegalStateException, IllegalArgumentException,
-            ZoneException, APPCException {
-
-        SvcLogicContext ctx = new SvcLogicContext();
-        Map<String, String> params = new HashMap<>();
-
-        adapter.commonPost(params, ctx);
-
-        assertEquals("failure", ctx.getStatus());
-        assertEquals("500", ctx.getAttribute("org.onap.rest.result.code"));
-        assertEquals("java.lang.IllegalArgumentException: HTTP request may not be null",
-                     ctx.getAttribute("org.onap.rest.result.message"));
-    }
-
-    @Test
     public void testCreateRequestInvalidParamPost() throws IOException, IllegalStateException, IllegalArgumentException,
             ZoneException, APPCException {
-
+        Mockito.when(statusLine.getStatusCode()).thenReturn(500);
         SvcLogicContext ctx = new SvcLogicContext();
         Map<String, String> params = new HashMap<>();
         params.put("org.onap.appc.instance.URI", "boo");
@@ -159,10 +138,10 @@ public class TestRestAdapterImpl {
 
         assertEquals("failure", ctx.getStatus());
         assertEquals("500", ctx.getAttribute("org.onap.rest.result.code"));
-        assertEquals("org.apache.http.client.ClientProtocolException",
+        assertEquals("Internal Server Error",
                      ctx.getAttribute("org.onap.rest.result.message"));
     }
-    
+
     @Test
     public void testCreateHttpRequestPut() throws IOException, IllegalStateException, IllegalArgumentException,
         ZoneException, APPCException {    
@@ -173,7 +152,6 @@ public class TestRestAdapterImpl {
         params.put("org.onap.appc.instance.requestBody", "{\"name\":\"MyNode2\", \"width\":300, \"height\":300}");
 
         HttpPut httpPut = ((HttpPut) givenParams(params, "PUT"));
-        //Header headers[] = httpPut.getAllHeaders();
 
         assertEquals("PUT", httpPut.getMethod());
         assertEquals("http://example.com:8081/puttest", httpPut.getURI().toURL().toString());
@@ -183,33 +161,15 @@ public class TestRestAdapterImpl {
     @Test
     public void testCreateRequestNoParamPut() throws IOException, IllegalStateException, IllegalArgumentException,
             ZoneException, APPCException {
-
+        Mockito.when(statusLine.getStatusCode()).thenReturn(200);
         SvcLogicContext ctx = new SvcLogicContext();
         Map<String, String> params = new HashMap<>();
 
         adapter.commonPut(params, ctx);
 
-        assertEquals("failure", ctx.getStatus());
-        assertEquals("500", ctx.getAttribute("org.onap.rest.result.code"));
-        assertEquals("java.lang.IllegalArgumentException: HTTP request may not be null",
-                     ctx.getAttribute("org.onap.rest.result.message"));
-    }
-
-    @Test
-    public void testCreateRequestInvalidParamPut() throws IOException, IllegalStateException, IllegalArgumentException,
-            ZoneException, APPCException {
-
-        SvcLogicContext ctx = new SvcLogicContext();
-        Map<String, String> params = new HashMap<>();
-        params.put("org.onap.appc.instance.URI", "boo");
-        params.put("org.onap.appc.instance.haveHeader","false");
-        params.put("org.onap.appc.instance.requestBody", "{\"name\":\"MyNode2\", \"width\":300, \"height\":300}");
-
-        adapter.commonPut(params, ctx);
-
-        assertEquals("failure", ctx.getStatus());
-        assertEquals("500", ctx.getAttribute("org.onap.rest.result.code"));
-        assertEquals("org.apache.http.client.ClientProtocolException",
+        assertEquals("success", ctx.getStatus());
+        assertEquals("200", ctx.getAttribute("org.onap.rest.result.code"));
+        assertEquals("java.lang.NullPointerException",
                      ctx.getAttribute("org.onap.rest.result.message"));
     }
 
@@ -230,36 +190,60 @@ public class TestRestAdapterImpl {
     @Test
     public void testCreateRequestNoParamDelete() throws IOException, IllegalStateException, IllegalArgumentException,
             ZoneException, APPCException {
-
+        Mockito.when(statusLine.getStatusCode()).thenReturn(400);
         SvcLogicContext ctx = new SvcLogicContext();
         Map<String, String> params = new HashMap<>();
 
         adapter.commonDelete(params, ctx);
 
         assertEquals("failure", ctx.getStatus());
-        assertEquals("500", ctx.getAttribute("org.onap.rest.result.code"));
-        assertEquals("java.lang.IllegalArgumentException: HTTP request may not be null",
+        assertEquals("400", ctx.getAttribute("org.onap.rest.result.code"));
+        assertEquals("Bad Request",
                      ctx.getAttribute("org.onap.rest.result.message"));
     }
 
     @Test
-    public void testCreateRequestInvalidParamDelete() throws IOException, IllegalStateException, IllegalArgumentException,
-            ZoneException, APPCException {
+    public void testDoFailureMultiLineErrorMessage() {
+        Map<String, String> mockParams = Mockito.mock(Map.class);
+        Mockito.when(mockParams.get("org.onap.appc.instance.URI")).thenThrow(new RuntimeException("\n\n"));
+        adapter.createHttpRequest("test_method", mockParams, new RequestContext(new SvcLogicContext()));
+    }
 
+    @Test
+    public void testCreateHttpRequestWithHeader() throws MalformedURLException {
+        Map<String, String> params = new HashMap<>();
+        params.put("org.onap.appc.instance.URI", "http://example.com:8080/about/health");
+        params.put("org.onap.appc.instance.headers", "{\"header1\":\"header1-value\"}");
+        params.put("org.onap.appc.instance.haveHeader","true");
+
+        HttpGet httpGet = ((HttpGet) givenParams(params, "GET"));
+
+        assertEquals("GET", httpGet.getMethod());
+        assertNotNull(httpGet.getHeaders("header1"));
+    }
+
+    @Test
+    public void testExecuteHttpRequest() {
+        SvcLogicContext ctx = new SvcLogicContext();
+        Map<String, String> params = new HashMap<>();
+        adapter.commonGet(params, ctx);
+    }
+
+    @Test
+    public void testExecuteRequestException() throws IOException, IllegalStateException, IllegalArgumentException,
+            ZoneException, APPCException {
+        Mockito.when(client.execute(Mockito.any())).thenThrow(new IOException());
         SvcLogicContext ctx = new SvcLogicContext();
         Map<String, String> params = new HashMap<>();
-        params.put("org.onap.appc.instance.URI", "boo");
-        params.put("org.onap.appc.instance.haveHeader","false");
-        params.put("org.onap.appc.instance.requestBody", "{\"name\":\"MyNode2\", \"width\":300, \"height\":300}");
 
         adapter.commonDelete(params, ctx);
 
         assertEquals("failure", ctx.getStatus());
         assertEquals("500", ctx.getAttribute("org.onap.rest.result.code"));
-        assertEquals("org.apache.http.client.ClientProtocolException",
+        assertEquals("java.io.IOException",
                      ctx.getAttribute("org.onap.rest.result.message"));
     }
-    
+
     private HttpRequestBase givenParams(Map<String, String> params, String method){
         SvcLogicContext ctx = new SvcLogicContext();
         RequestContext rc = new RequestContext(ctx);
@@ -268,6 +252,4 @@ public class TestRestAdapterImpl {
         adapter = new RestAdapterImpl();
         return adapter.createHttpRequest(method, params, rc);
     }
-
-
 }