add test for bytestring valuecoder

Author: Paolo Viotti

src/test/java/eu/antidotedb/client/test/AbstractAntidoteTest.java

@@ -22,8 +22,11 @@ public class AbstractAntidoteTest {
     final AntidoteClient antidoteClient;
     final Bucket bucket;
     final String bucketKey;
+    final SecureRandom random;
 
     public AbstractAntidoteTest() {
+        random = new SecureRandom();
+        
         List<TransformerFactory> transformers = new ArrayList<>();
         transformers.add(messageCounter = new CountingTransformer());
         if (debugLog) {
@@ -41,7 +44,6 @@ public AbstractAntidoteTest() {
     }
 
     public String nextSessionId() {
-        SecureRandom random = new SecureRandom();
         return new BigInteger(130, random).toString(32);
     }
 }

src/test/java/eu/antidotedb/client/test/ValueCoderTest.java

@@ -1,22 +1,23 @@
 package eu.antidotedb.client.test;
 
-import com.google.protobuf.ByteString;
 import eu.antidotedb.client.*;
 import org.junit.Test;
 
+import com.google.protobuf.ByteString;
+
 import java.util.Arrays;
 import java.util.List;
 import java.util.Objects;
 
-import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.*;
 
 /**
  *
  */
 public class ValueCoderTest extends AbstractAntidoteTest {
 
     @Test
-    public void staticReadWrite() {
+    public void customValueCoder() {
 
         NoTransaction tx = antidoteClient.noTransaction();
 
@@ -35,7 +36,20 @@ public void staticReadWrite() {
 
 
     }
-
+    
+    @Test
+    public void byteStringValueCoder() {
+        
+        byte[] testArray = new byte[20]; 
+        random.nextBytes(testArray);
+        
+        ValueCoder<ByteString> vc = ValueCoder.bytestringEncoder;
+        bucket.update(antidoteClient.noTransaction(), 
+                Key.register("test", vc).assign(ByteString.copyFrom(testArray)));
+        ByteString bs = bucket.read(antidoteClient.noTransaction(), Key.register("test", vc));
+        
+        assertArrayEquals(testArray, bs.toByteArray());
+    }
 }
 
 class UserId {