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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchdefinition.processing;
import com.yahoo.document.DataType;
import com.yahoo.document.Field;
import com.yahoo.document.ReferenceDataType;
import com.yahoo.searchdefinition.DocumentGraphValidator;
import com.yahoo.searchdefinition.Schema;
import com.yahoo.searchdefinition.SearchBuilder;
import com.yahoo.searchdefinition.document.SDDocumentType;
import com.yahoo.searchdefinition.parser.ParseException;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import static org.hamcrest.Matchers.instanceOf;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
/**
* @author bjorncs
*/
public class ReferenceFieldTestCase {
@Rule
public final ExpectedException exceptionRule = ExpectedException.none();
@Test
public void reference_fields_are_parsed_from_search_definition() throws ParseException {
SearchBuilder builder = new SearchBuilder();
String campaignSdContent =
"search campaign {\n" +
" document campaign {\n" +
" }\n" +
"}";
String salespersonSdContent =
"search salesperson {\n" +
" document salesperson {\n" +
" }\n" +
"}";
String adSdContent =
"search ad {\n" +
" document ad {\n" +
" field campaign_ref type reference<campaign> { indexing: attribute }\n" +
" field salesperson_ref type reference<salesperson> { indexing: attribute }\n" +
" }\n" +
"}";
builder.importString(campaignSdContent);
builder.importString(salespersonSdContent);
builder.importString(adSdContent);
builder.build();
Schema schema = builder.getSearch("ad");
assertSearchContainsReferenceField("campaign_ref", "campaign", schema.getDocument());
assertSearchContainsReferenceField("salesperson_ref", "salesperson", schema.getDocument());
}
@Test
public void cyclic_document_dependencies_are_detected() throws ParseException {
SearchBuilder builder = new SearchBuilder();
String campaignSdContent =
"search campaign {\n" +
" document campaign {\n" +
" field ad_ref type reference<ad> { indexing: attribute }\n" +
" }\n" +
"}";
String adSdContent =
"search ad {\n" +
" document ad {\n" +
" field campaign_ref type reference<campaign> { indexing: attribute }\n" +
" }\n" +
"}";
builder.importString(campaignSdContent);
builder.importString(adSdContent);
exceptionRule.expect(DocumentGraphValidator.DocumentGraphException.class);
exceptionRule.expectMessage("Document dependency cycle detected: campaign->ad->campaign.");
builder.build();
}
private static void assertSearchContainsReferenceField(String expectedFieldname,
String referencedDocType,
SDDocumentType documentType) {
Field field = documentType.getDocumentType().getField(expectedFieldname);
assertNotNull("Field does not exist in document type: " + expectedFieldname, field);
DataType dataType = field.getDataType();
assertThat(dataType, instanceOf(ReferenceDataType.class));
ReferenceDataType refField = (ReferenceDataType) dataType;
assertEquals(referencedDocType, refField.getTargetType().getName());
}
}
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