HSEARCH-3352 Test timeout option on mapper pojo

This test is not very significant, since the option is handled on the backends.

Author: fax4ever

integrationtest/mapper/pojo-base/src/test/java/org/hibernate/search/integrationtest/mapper/pojo/timeout/SearchTimeoutIT.java

@@ -0,0 +1,85 @@
+/*
+ * Hibernate Search, full-text search for your domain model
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.search.integrationtest.mapper.pojo.timeout;
+
+import java.lang.invoke.MethodHandles;
+import java.util.Collections;
+import java.util.concurrent.TimeUnit;
+
+import org.hibernate.search.engine.search.query.SearchQuery;
+import org.hibernate.search.integrationtest.mapper.pojo.testsupport.util.rule.JavaBeanMappingSetupHelper;
+import org.hibernate.search.mapper.javabean.common.EntityReference;
+import org.hibernate.search.mapper.javabean.mapping.SearchMapping;
+import org.hibernate.search.mapper.javabean.session.SearchSession;
+import org.hibernate.search.mapper.pojo.mapping.definition.annotation.DocumentId;
+import org.hibernate.search.mapper.pojo.mapping.definition.annotation.Indexed;
+import org.hibernate.search.mapper.pojo.mapping.definition.annotation.KeywordField;
+import org.hibernate.search.util.impl.integrationtest.common.rule.BackendMock;
+import org.hibernate.search.util.impl.integrationtest.common.rule.StubSearchWorkBehavior;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+
+import org.assertj.core.api.Assertions;
+
+public class SearchTimeoutIT {
+
+	private static final String INDEX_NAME = "IndexName";
+
+	@Rule
+	public BackendMock backendMock = new BackendMock( "stubBackend" );
+
+	@Rule
+	public JavaBeanMappingSetupHelper setupHelper = JavaBeanMappingSetupHelper.withBackendMock( MethodHandles.lookup(), backendMock );
+
+	private SearchMapping mapping;
+
+	@Before
+	public void setup() {
+		backendMock.expectSchema( INDEX_NAME, b -> b.field( "keyword", String.class ) );
+		mapping = setupHelper.start().setup( IndexedEntity.class );
+		backendMock.verifyExpectationsMet();
+	}
+
+	@Test
+	public void timeoutOption() {
+		try ( SearchSession session = mapping.createSession() ) {
+			SearchQuery<EntityReference> query = session.search( IndexedEntity.class )
+					.asEntityReference()
+					.predicate( f -> f.matchAll() )
+						// define a timeout
+						.timeout( 5L, TimeUnit.SECONDS )
+					.toQuery();
+
+			backendMock.expectSearchReferences( Collections.singletonList( INDEX_NAME ),
+					// timeout is supposed to be set on the backend
+					b -> b.timeout( 5L, TimeUnit.SECONDS ),
+					StubSearchWorkBehavior.of( 0L, Collections.emptyList() )
+			);
+
+			Assertions.assertThat( query.fetchAll().getHits() ).isEmpty();
+		}
+	}
+
+	@Indexed(index = INDEX_NAME)
+	public static final class IndexedEntity {
+
+		private Integer id;
+		private String keyword;
+
+		@DocumentId
+		public Integer getId() {
+			return id;
+		}
+
+		@KeywordField
+		public String getKeyword() {
+			return keyword;
+		}
+	}
+}