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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchdefinition;
import com.yahoo.document.DataType;
import com.yahoo.document.ReferenceDataType;
import com.yahoo.document.TemporaryStructuredDataType;
import com.yahoo.searchdefinition.document.SDDocumentType;
import com.yahoo.searchdefinition.document.SDField;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.util.Map;
import static java.util.Arrays.asList;
import static java.util.Collections.singletonList;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
/**
* @author bjorncs
*/
public class DocumentReferenceResolverTest {
@Rule
public final ExpectedException exceptionRule = ExpectedException.none();
@Test
public void reference_from_one_document_to_another_is_resolved() {
// Create bar document with no fields
Search barSearch = new Search();
SDDocumentType barDocument = new SDDocumentType("bar", barSearch);
barSearch.addDocument(barDocument);
// Create foo document with document reference to bar and add another field
SDField fooRefToBarField = new SDField
("bar_ref", ReferenceDataType.createWithInferredId(barDocument.getDocumentType()));
addAttributeAspect(fooRefToBarField);
SDField irrelevantField = new SDField("irrelevant_stuff", DataType.INT);
Search fooSearch = new Search();
SDDocumentType fooDocument = new SDDocumentType("foo", fooSearch);
fooDocument.addField(fooRefToBarField);
fooDocument.addField(irrelevantField);
fooSearch.addDocument(fooDocument);
DocumentReferenceResolver resolver = new DocumentReferenceResolver(asList(fooSearch, barSearch));
resolver.resolveReferences(fooDocument);
assertTrue(fooDocument.getDocumentReferences().isPresent());
Map<String, DocumentReference> fooReferenceMap = fooDocument.getDocumentReferences().get().referenceMap();
assertEquals(1, fooReferenceMap.size());
assertSame(barSearch, fooReferenceMap.get("bar_ref").targetSearch());
assertSame(fooRefToBarField, fooReferenceMap.get("bar_ref").referenceField());
}
@Test
public void throws_user_friendly_exception_if_referenced_document_does_not_exist() {
// Create foo document with document reference to non-existing document bar
SDField fooRefToBarField = new SDField(
"bar_ref", ReferenceDataType.createWithInferredId(TemporaryStructuredDataType.create("bar")));
addAttributeAspect(fooRefToBarField);
Search fooSearch = new Search();
SDDocumentType fooDocument = new SDDocumentType("foo", fooSearch);
fooDocument.addField(fooRefToBarField);
fooSearch.addDocument(fooDocument);
DocumentReferenceResolver resolver = new DocumentReferenceResolver(singletonList(fooSearch));
exceptionRule.expect(IllegalArgumentException.class);
exceptionRule.expectMessage(
"The field 'bar_ref' is an invalid document reference. " +
"Could not find document with 'bar' in any search definitions");
resolver.resolveReferences(fooDocument);
}
@Test
public void throws_exception_if_reference_is_not_an_attribute() {
// Create bar document with no fields
Search barSearch = new Search();
SDDocumentType barDocument = new SDDocumentType("bar", barSearch);
barSearch.addDocument(barDocument);
// Create foo document with document reference to bar
SDField fooRefToBarField = new SDField
("bar_ref", ReferenceDataType.createWithInferredId(barDocument.getDocumentType()));
Search fooSearch = new Search();
SDDocumentType fooDocument = new SDDocumentType("foo", fooSearch);
fooDocument.addField(fooRefToBarField);
fooSearch.addDocument(fooDocument);
DocumentReferenceResolver resolver = new DocumentReferenceResolver(asList(fooSearch, barSearch));
exceptionRule.expect(IllegalArgumentException.class);
exceptionRule.expectMessage(
"The field 'bar_ref' is an invalid document reference. The field must be an attribute.");
resolver.resolveReferences(fooDocument);
}
private static void addAttributeAspect(SDField fooRefToBarField) {
fooRefToBarField.parseIndexingScript("{ attribute }");
}
}
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