/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.component.sql;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.camel.Endpoint;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
public class SqlGeneratedKeysTest extends CamelTestSupport {
private EmbeddedDatabase db;
@Before
public void setUp() throws Exception {
// Only HSQLDB seem to handle:
// - more than one generated column in row
// - return all keys generated in batch insert
db = new EmbeddedDatabaseBuilder()
.setType(EmbeddedDatabaseType.HSQL).addScript("sql/createAndPopulateDatabase3.sql").build();
super.setUp();
}
@After
public void tearDown() throws Exception {
super.tearDown();
db.shutdown();
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
getContext().getComponent("sql", SqlComponent.class).setDataSource(db);
from("direct:insert").to("sql:insert into projects (project, license, description) values (#, #, #)");
from("direct:batch").to("sql:insert into projects (project, license, description) values (#, #, #)?batch=true");
from("direct:select").to("sql:select * from projects order by id asc");
from("direct:insert2").to("sql:insert into developers (name, position) values (#, #)");
}
};
}
@Test
@SuppressWarnings("unchecked")
public void testRetrieveGeneratedKey() throws Exception {
// first we create our exchange using the endpoint
Endpoint endpoint = context.getEndpoint("direct:insert");
Exchange exchange = endpoint.createExchange();
exchange.getIn().setBody(new Object[] {"project x", "ASF", "new project"});
exchange.getIn().setHeader(SqlConstants.SQL_RETRIEVE_GENERATED_KEYS, true);
// now we send the exchange to the endpoint, and receives the response from Camel
Exchange out = template.send(endpoint, exchange);
// assertions of the response
assertNotNull(out);
assertNotNull(out.getOut());
assertNotNull(out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA));
List<Map<String, Object>> generatedKeys = out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA, List.class);
assertNotNull("out body could not be converted to a List - was: "
+ out.getOut().getBody(), generatedKeys);
assertEquals(1, generatedKeys.get(0).size());
Map<String, Object> row = generatedKeys.get(0);
assertEquals("auto increment value should be 3", Integer.valueOf(3), row.get("ID"));
assertEquals("generated keys row count should be one", 1, out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_ROW_COUNT));
}
@Test
@SuppressWarnings("unchecked")
public void testRetrieveGeneratedKeys() throws Exception {
// first we create our exchange using the endpoint
Endpoint endpoint = context.getEndpoint("direct:insert2");
Exchange exchange = endpoint.createExchange();
exchange.getIn().setBody(new Object[] {"Star Swirl", "Wizard"});
exchange.getIn().setHeader(SqlConstants.SQL_RETRIEVE_GENERATED_KEYS, true);
exchange.getIn().setHeader(SqlConstants.SQL_GENERATED_COLUMNS, new String[]{"ID1", "ID2"});
// now we send the exchange to the endpoint, and receives the response from Camel
Exchange out = template.send(endpoint, exchange);
// assertions of the response
assertNotNull(out);
assertNotNull(out.getOut());
assertNotNull(out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA));
List<Map<String, Object>> generatedKeys = out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA, List.class);
assertNotNull("out body could not be converted to a List - was: "
+ out.getOut().getBody(), generatedKeys);
assertEquals(2, generatedKeys.get(0).size());
Map<String, Object> row = generatedKeys.get(0);
assertEquals("auto increment value of ID1 should be 5", Integer.valueOf(5), row.get("ID1"));
assertEquals("auto increment value of ID2 should be 6", Integer.valueOf(6), row.get("ID2"));
assertEquals("generated keys row count should be one", 1, out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_ROW_COUNT));
}
@Test
@SuppressWarnings("unchecked")
public void testRetrieveGeneratedKeysForBatch() throws Exception {
// first we create our exchange using the endpoint
Endpoint endpoint = context.getEndpoint("direct:batch");
Exchange exchange = endpoint.createExchange();
List<Object[]> payload = new ArrayList<Object[]>(4);
payload.add(new Object[] {"project x", "ASF", "new project x"});
payload.add(new Object[] {"project y", "ASF", "new project y"});
payload.add(new Object[] {"project z", "ASF", "new project z"});
payload.add(new Object[] {"project q", "ASF", "new project q"});
exchange.getIn().setBody(payload);
exchange.getIn().setHeader(SqlConstants.SQL_RETRIEVE_GENERATED_KEYS, true);
// now we send the exchange to the endpoint, and receives the response from Camel
Exchange out = template.send(endpoint, exchange);
// assertions of the response
assertNotNull(out);
assertNotNull(out.getOut());
assertNotNull(out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA));
List<Map<String, Object>> generatedKeys = out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA, List.class);
assertNotNull("out body could not be converted to a List - was: "
+ out.getOut().getBody(), generatedKeys);
// it seems not to work with Derby...
assertEquals(4, generatedKeys.size());
int id = 3;
for (Map<String, Object> row : generatedKeys) {
assertEquals("auto increment value should be " + id, Integer.valueOf(id++), row.get("ID"));
}
assertEquals("generated keys row count should be four", 4, out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_ROW_COUNT));
}
@Test
@SuppressWarnings("unchecked")
public void testRetrieveGeneratedKeyWithStringGeneratedColumns() throws Exception {
// first we create our exchange using the endpoint
Endpoint endpoint = context.getEndpoint("direct:insert");
Exchange exchange = endpoint.createExchange();
exchange.getIn().setBody(new Object[] {"project x", "ASF", "new project"});
exchange.getIn().setHeader(SqlConstants.SQL_RETRIEVE_GENERATED_KEYS, true);
exchange.getIn().setHeader(SqlConstants.SQL_GENERATED_COLUMNS, new String[]{"ID"});
// now we send the exchange to the endpoint, and receives the response from Camel
Exchange out = template.send(endpoint, exchange);
// assertions of the response
assertNotNull(out);
assertNotNull(out.getOut());
assertNotNull(out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA));
List<Map<String, Object>> generatedKeys = out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA, List.class);
assertNotNull("out body could not be converted to a List - was: "
+ out.getOut().getBody(), generatedKeys);
assertEquals(1, generatedKeys.get(0).size());
Map<String, Object> row = generatedKeys.get(0);
assertEquals("auto increment value should be 3", Integer.valueOf(3), row.get("ID"));
assertEquals("generated keys row count should be one", 1, out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_ROW_COUNT));
}
@Test
@SuppressWarnings("unchecked")
public void testRetrieveGeneratedKeyWithIntGeneratedColumns() throws Exception {
// first we create our exchange using the endpoint
Endpoint endpoint = context.getEndpoint("direct:insert");
Exchange exchange = endpoint.createExchange();
exchange.getIn().setBody(new Object[] {"project x", "ASF", "new project"});
exchange.getIn().setHeader(SqlConstants.SQL_RETRIEVE_GENERATED_KEYS, true);
exchange.getIn().setHeader(SqlConstants.SQL_GENERATED_COLUMNS, new int[]{1});
// now we send the exchange to the endpoint, and receives the response from Camel
Exchange out = template.send(endpoint, exchange);
// assertions of the response
assertNotNull(out);
assertNotNull(out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA));
List<Map<String, Object>> generatedKeys = out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA, List.class);
assertNotNull("out body could not be converted to a List - was: "
+ out.getOut().getBody(), generatedKeys);
assertEquals(1, generatedKeys.get(0).size());
Map<String, Object> row = generatedKeys.get(0);
assertEquals("auto increment value should be 3", Integer.valueOf(3), row.get("ID"));
assertEquals("generated keys row count should be one", 1, out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_ROW_COUNT));
}
@Test
public void testGivenAnInvalidGeneratedColumnsHeaderThenAnExceptionIsThrown() throws Exception {
// first we create our exchange using the endpoint
Endpoint endpoint = context.getEndpoint("direct:insert");
Exchange exchange = endpoint.createExchange();
// then we set the SQL on the in body
exchange.getIn().setBody(new Object[] {"project x", "ASF", "new project"});
exchange.getIn().setHeader(SqlConstants.SQL_RETRIEVE_GENERATED_KEYS, true);
// set wrong data type for generated columns
exchange.getIn().setHeader(SqlConstants.SQL_GENERATED_COLUMNS, new Object[]{});
// now we send the exchange to the endpoint, and receives the response from Camel
template.send(endpoint, exchange);
assertTrue(exchange.isFailed());
}
@Test
@SuppressWarnings("unchecked")
public void testNoKeysForSelect() throws Exception {
// first we create our exchange using the endpoint
Endpoint endpoint = context.getEndpoint("direct:select");
Exchange exchange = endpoint.createExchange();
// then we set the SQL on the in body
exchange.getIn().setHeader(SqlConstants.SQL_RETRIEVE_GENERATED_KEYS, true);
// now we send the exchange to the endpoint, and receives the response from Camel
Exchange out = template.send(endpoint, exchange);
List<Map<String, Object>> result = out.getOut().getBody(List.class);
assertEquals("We should get 3 projects", 3, result.size());
List<Map<String, Object>> generatedKeys = out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_DATA, List.class);
assertEquals("We should not get any keys", 0, generatedKeys.size());
assertEquals("We should not get any keys", 0, out.getOut().getHeader(SqlConstants.SQL_GENERATED_KEYS_ROW_COUNT));
}
}