TestS3FileInputPlugin.java in embulk-input-s3-0.3.0

- old
+ new

@@ -4,11 +4,10 @@
 import com.amazonaws.services.s3.model.ListObjectsRequest;
 import com.amazonaws.services.s3.model.ObjectListing;
 import com.amazonaws.services.s3.model.Region;
 import com.amazonaws.services.s3.model.S3ObjectSummary;
 import com.amazonaws.services.s3.model.StorageClass;
-import com.google.common.base.Optional;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import org.embulk.EmbulkTestRuntime;
 import org.embulk.config.ConfigDiff;
 import org.embulk.config.ConfigException;
@@ -29,10 +28,11 @@
 import org.mockito.Mockito;
 
 import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 
 import static org.embulk.input.s3.S3FileInputPlugin.S3PluginTask;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
@@ -233,10 +233,10 @@
         AmazonS3 client;
         client = mock(AmazonS3.class);
         doReturn(s3objectList("in/aa/a", StorageClass.Glacier)).when(client).listObjects(any(ListObjectsRequest.class));
 
         AbstractS3FileInputPlugin plugin = Mockito.mock(AbstractS3FileInputPlugin.class, Mockito.CALLS_REAL_METHODS);
-        plugin.listS3FilesByPrefix(newFileList(config, "sample_00", 100L), client, "test_bucket", "test_prefix", Optional.<String>absent(), false);
+        plugin.listS3FilesByPrefix(newFileList(config, "sample_00", 100L), client, "test_bucket", "test_prefix", Optional.empty(), false);
     }
 
     private FileList.Builder newFileList(ConfigSource config, Object... nameAndSize)
     {
         FileList.Builder builder = new FileList.Builder(config);