Move ByteString bytes(int... ints) to test util

Change-Id: If55dac7c1a2df87c412bf0e13afb7a9b57fbfa95

java/com/google/gerrit/server/cache/testing/BUILD

@@ -6,6 +6,7 @@ java_library(
     visibility = ["//visibility:public"],
     deps = [
         "//lib:guava",
+        "//lib:protobuf",
         "//lib:truth",
         "//lib/commons:lang3",
     ],

java/com/google/gerrit/server/cache/testing/CacheSerializerTestUtil.java

@@ -0,0 +1,30 @@
+// Copyright (C) 2018 The Android Open Source Project
+//
+// 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
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.server.cache.testing;
+
+import com.google.protobuf.ByteString;
+
+/** Static utilities for testing cache serializers. */
+public class CacheSerializerTestUtil {
+  public static ByteString bytes(int... ints) {
+    byte[] bytes = new byte[ints.length];
+    for (int i = 0; i < ints.length; i++) {
+      bytes[i] = (byte) ints[i];
+    }
+    return ByteString.copyFrom(bytes);
+  }
+
+  private CacheSerializerTestUtil() {}
+}

javatests/com/google/gerrit/server/change/ChangeKindCacheImplTest.java

@@ -15,12 +15,12 @@
 package com.google.gerrit.server.change;
 
 import static com.google.common.truth.Truth.assertThat;
+import static com.google.gerrit.server.cache.testing.CacheSerializerTestUtil.bytes;
 import static com.google.gerrit.server.cache.testing.SerializedClassSubject.assertThatSerializedClass;
 
 import com.google.common.collect.ImmutableMap;
 import com.google.gerrit.server.cache.CacheSerializer;
 import com.google.gerrit.server.cache.proto.Cache.ChangeKindKeyProto;
-import com.google.protobuf.ByteString;
 import org.eclipse.jgit.lib.ObjectId;
 import org.junit.Test;
 
@@ -58,12 +58,4 @@ public class ChangeKindCacheImplTest {
             ImmutableMap.of(
                 "prior", ObjectId.class, "next", ObjectId.class, "strategyName", String.class));
   }
-
-  private static ByteString bytes(int... ints) {
-    byte[] bytes = new byte[ints.length];
-    for (int i = 0; i < ints.length; i++) {
-      bytes[i] = (byte) ints[i];
-    }
-    return ByteString.copyFrom(bytes);
-  }
 }

javatests/com/google/gerrit/server/change/MergeabilityCacheImplTest.java

@@ -15,12 +15,12 @@
 package com.google.gerrit.server.change;
 
 import static com.google.common.truth.Truth.assertThat;
+import static com.google.gerrit.server.cache.testing.CacheSerializerTestUtil.bytes;
 import static com.google.gerrit.server.cache.testing.SerializedClassSubject.assertThatSerializedClass;
 
 import com.google.common.collect.ImmutableMap;
 import com.google.gerrit.extensions.client.SubmitType;
 import com.google.gerrit.server.cache.proto.Cache.MergeabilityKeyProto;
-import com.google.protobuf.ByteString;
 import org.eclipse.jgit.lib.ObjectId;
 import org.junit.Test;
 
@@ -66,12 +66,4 @@ public class MergeabilityCacheImplTest {
                 "submitType", SubmitType.class,
                 "mergeStrategy", String.class));
   }
-
-  private static ByteString bytes(int... ints) {
-    byte[] bytes = new byte[ints.length];
-    for (int i = 0; i < ints.length; i++) {
-      bytes[i] = (byte) ints[i];
-    }
-    return ByteString.copyFrom(bytes);
-  }
 }