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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.query.ranking;
import com.yahoo.search.Query;
import com.yahoo.search.query.Ranking;
import com.yahoo.tensor.Tensor;
import com.yahoo.tensor.TensorType;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
/**
* @author arnej
*/
public class RankPropertiesTestCase {
@Test
void requireThatGetAsTensorCanGetDoublesAndTensors() {
TensorType ttype = new TensorType.Builder().mapped("cat").build();
Tensor mappedTensor = Tensor.from(ttype, "{ {cat:foo}:2.5, {cat:bar}:1.25 }");
RankFeatures f = new RankFeatures(new Ranking(new Query()));
f.put("query(myDouble)", 42.75);
f.put("query(myTensor)", mappedTensor);
RankProperties p = new RankProperties();
f.prepare(p);
var optT = p.getAsTensor("myDouble");
assertEquals(true, optT.isPresent());
assertEquals(TensorType.empty, optT.get().type());
assertEquals(42.75, optT.get().asDouble());
optT = p.getAsTensor("myTensor");
assertEquals(true, optT.isPresent());
assertEquals(mappedTensor, optT.get());
}
@Test
void requireThatGetAsTensorFailsOnStrings() {
RankFeatures f = new RankFeatures(new Ranking(new Query()));
// common mistake:
f.put("query(myTensor)", "{ {cat:foo}:2.5, {cat:bar}:1.25 }");
RankProperties p = new RankProperties();
f.prepare(p);
var ex = assertThrows(IllegalArgumentException.class, () -> p.getAsTensor("myTensor"));
assertEquals("Expected 'myTensor' to be a tensor or double, " +
"but it is '{ {cat:foo}:2.5, {cat:bar}:1.25 }', " +
"this usually means that 'myTensor' is not defined in the schema. " +
"See https://docs.vespa.ai/en/tensor-user-guide.html#querying-with-tensors", ex.getMessage());
}
}
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