Merge 1806 code of vid-common

Change-Id: I75d52abed4a24dfe3827d79edc4a2938726aa87a
Issue-ID: VID-208
Signed-off-by: Sonsino, Ofir (os0695) <os0695@intl.att.com>

1 files changed, 94 insertions, 0 deletions

diff --git a/vid-app-common/src/test/java/org/onap/vid/testUtils/TestUtils.java b/vid-app-common/src/test/java/org/onap/vid/testUtils/TestUtils.java
index 73a79cd2..175f87f2 100644
--- a/vid-app-common/src/test/java/org/onap/vid/testUtils/TestUtils.java
+++ b/vid-app-common/src/test/java/org/onap/vid/testUtils/TestUtils.java
@@ -1,12 +1,30 @@
 package org.onap.vid.testUtils;
 
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.collect.ImmutableList;
 import org.json.JSONArray;
 import org.json.JSONObject;
 import org.junit.Assert;
+import org.mockito.MockSettings;
+import org.mockito.Mockito;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+import org.onap.vid.asdc.beans.Service;
 
+import javax.ws.rs.core.GenericType;
+import javax.ws.rs.core.Response;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.Serializable;
 import java.util.Iterator;
+import java.util.List;
 
 import static fj.parser.Parser.fail;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.*;
 
 /**
  * Created by Oren on 6/7/17.
@@ -64,5 +82,81 @@ public class TestUtils {
         }
     }
 
+    public static <T> T readJsonResourceFileAsObject(String pathInResource, Class<T> valueType) throws IOException {
+        return readJsonResourceFileAsObject(pathInResource, valueType, false);
+    }
+
+    public static <T> T readJsonResourceFileAsObject(String pathInResource, Class<T> valueType, boolean ignoreUnknownProperties)
+            throws IOException {
+        ObjectMapper objectMapper = new ObjectMapper();
+        objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, ignoreUnknownProperties);
+        return objectMapper.readValue(
+                TestUtils.class.getResource(pathInResource),
+                valueType);
+    }
+
+
+    public static class JavaxRsClientMocks {
+        private final javax.ws.rs.client.Client fakeClient;
+        private final javax.ws.rs.client.Invocation.Builder fakeBuilder;
+        private final Response fakeResponse;
+
+        public javax.ws.rs.client.Client getFakeClient() {
+            return fakeClient;
+        }
+
+        public javax.ws.rs.client.Invocation.Builder getFakeBuilder() {
+            return fakeBuilder;
+        }
+
+        public Response getFakeResponse() {
+            return fakeResponse;
+        }
+
+        public JavaxRsClientMocks() {
+            final MockSettings mockSettings = withSettings().defaultAnswer(new TriesToReturnMockByType());
 
+            fakeClient = mock(javax.ws.rs.client.Client.class, mockSettings);
+            fakeBuilder = mock(javax.ws.rs.client.Invocation.Builder.class, mockSettings);
+            fakeResponse = mock(Response.class, mockSettings);
+            final javax.ws.rs.client.WebTarget fakeWebTarget = mock(javax.ws.rs.client.WebTarget.class, mockSettings);
+
+            TriesToReturnMockByType.setAvailableMocks(
+                    fakeClient,
+                    fakeWebTarget,
+                    fakeBuilder,
+                    fakeResponse
+            );
+
+            Mockito.when(fakeBuilder.get(any(Class.class))).thenReturn(null);
+            Mockito.when(fakeBuilder.get(eq(InputStream.class))).thenReturn(new ByteArrayInputStream(new byte[]{}));
+            Mockito.when(fakeBuilder.get(any(GenericType.class))).thenReturn(null);
+
+            Mockito.when(fakeResponse.getStatus()).thenReturn(200);
+            Mockito.when(fakeResponse.readEntity(Service.class)).thenReturn(null);
+        }
+    }
+
+    /*
+       inspired out from newer Mockito version
+        returns a mock from given list if it's a matching return-type
+    */
+    private static class TriesToReturnMockByType implements Answer<Object>, Serializable {
+        private final Answer<Object> defaultReturn = RETURNS_DEFAULTS;
+        private static List<Object> availableMocks = ImmutableList.of();
+
+        static void setAvailableMocks(Object... mocks) {
+            availableMocks = ImmutableList.copyOf(mocks);
+        }
+
+        public Object answer(InvocationOnMock invocation) throws Throwable {
+            Class<?> methodReturnType = invocation.getMethod().getReturnType();
+
+            return availableMocks.stream()
+                    .filter(mock -> methodReturnType.isAssignableFrom(mock.getClass()))
+                    //.peek(m -> System.out.println("found a mock: " + m.getClass().getName()))
+                    .findFirst()
+                    .orElse(defaultReturn.answer(invocation));
+        }
+    }
 }