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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.document.serialization;
import com.yahoo.document.DataType;
import com.yahoo.document.Document;
import com.yahoo.document.DocumentType;
import com.yahoo.document.datatypes.TensorFieldValue;
import com.yahoo.tensor.MapTensor;
import org.junit.Test;
import java.io.IOException;
import static com.yahoo.document.serialization.SerializationTestUtils.deserializeDocument;
import static com.yahoo.document.serialization.SerializationTestUtils.serializeDocument;
import static org.junit.Assert.assertEquals;
/**
* @author <a href="mailto:geirst@yahoo-inc.com">Geir Storli</a>
*/
public class TensorFieldValueSerializationTestCase {
private final static String TENSOR_FIELD = "my_tensor";
private final static String TENSOR_FILES = "src/test/resources/tensor/";
private final static TestDocumentFactory docFactory =
new TestDocumentFactory(createDocType(), "id:test:my_type::foo");
private static DocumentType createDocType() {
DocumentType type = new DocumentType("my_type");
type.addField(TENSOR_FIELD, DataType.TENSOR);
return type;
}
@Test
public void requireThatTensorFieldValueIsSerializedAndDeserialized() {
assertSerialization(new TensorFieldValue());
assertSerialization(createTensor("{}"));
assertSerialization(createTensor("{{dimX:a,dimY:bb}:2.0,{dimX:ccc,dimY:dddd}:3.0,{dimX:e}:5.0}"));
}
@Test
public void requireThatSerializationMatchesCpp() throws IOException {
assertSerializationMatchesCpp("non_existing_tensor", new TensorFieldValue());
assertSerializationMatchesCpp("empty_tensor", createTensor("{}"));
assertSerializationMatchesCpp("multi_cell_tensor",
createTensor("{{dimX:a,dimY:bb}:2.0,{dimX:ccc,dimY:dddd}:3.0,{dimX:e}:5.0}"));
}
private static void assertSerialization(TensorFieldValue tensor) {
Document document = docFactory.createDocument();
document.setFieldValue(TENSOR_FIELD, tensor);
byte[] buf = serializeDocument(document);
Document deserializedDocument = deserializeDocument(buf, docFactory);
assertEquals(document, deserializedDocument);
assertEquals(tensor, deserializedDocument.getFieldValue(TENSOR_FIELD));
}
private static void assertSerializationMatchesCpp(String fileName, TensorFieldValue tensor) throws IOException {
Document document = docFactory.createDocument();
document.setFieldValue(TENSOR_FIELD, tensor);
SerializationTestUtils.assertSerializationMatchesCpp(TENSOR_FILES, fileName, document, docFactory);
}
private static TensorFieldValue createTensor(String tensor) {
return new TensorFieldValue(MapTensor.from(tensor));
}
}
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