/*
* Copyright 2002-2015 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.jdbc.support;
import java.util.HashMap;
import java.util.Map;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.dao.DataRetrievalFailureException;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import static java.util.Arrays.asList;
import static java.util.Collections.*;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
/**
* Tests for {@link KeyHolder} and {@link GeneratedKeyHolder}.
*
* @author Thomas Risberg
* @author Sam Brannen
* @since July 18, 2004
*/
@SuppressWarnings("serial")
public class KeyHolderTests {
private final KeyHolder kh = new GeneratedKeyHolder();
@Rule
public final ExpectedException exception = ExpectedException.none();
@Test
public void singleKey() {
kh.getKeyList().addAll(singletonList(singletonMap("key", 1)));
assertEquals("single key should be returned", 1, kh.getKey().intValue());
}
@Test
public void singleKeyNonNumeric() {
kh.getKeyList().addAll(singletonList(singletonMap("key", "1")));
exception.expect(DataRetrievalFailureException.class);
exception.expectMessage(startsWith("The generated key is not of a supported numeric type."));
kh.getKey().intValue();
}
@Test
public void noKeyReturnedInMap() {
kh.getKeyList().addAll(singletonList(emptyMap()));
exception.expect(DataRetrievalFailureException.class);
exception.expectMessage(startsWith("Unable to retrieve the generated key."));
kh.getKey();
}
@Test
public void multipleKeys() {
Map<String, Object> m = new HashMap<String, Object>() {{
put("key", 1);
put("seq", 2);
}};
kh.getKeyList().addAll(singletonList(m));
assertEquals("two keys should be in the map", 2, kh.getKeys().size());
exception.expect(InvalidDataAccessApiUsageException.class);
exception.expectMessage(startsWith("The getKey method should only be used when a single key is returned."));
kh.getKey();
}
@Test
public void multipleKeyRows() {
Map<String, Object> m = new HashMap<String, Object>() {{
put("key", 1);
put("seq", 2);
}};
kh.getKeyList().addAll(asList(m, m));
assertEquals("two rows should be in the list", 2, kh.getKeyList().size());
exception.expect(InvalidDataAccessApiUsageException.class);
exception.expectMessage(startsWith("The getKeys method should only be used when keys for a single row are returned."));
kh.getKeys();
}
}