components/camel-sql/src/test/java/org/apache/camel/component/sql/stored/SqlFunctionDataSourceTest.java

/*
 * 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.stored;

import java.util.HashMap;
import java.util.Map;

import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
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 SqlFunctionDataSourceTest extends CamelTestSupport {

    private EmbeddedDatabase db;

    @Override
    @Before
    public void setUp() throws Exception {
        db = new EmbeddedDatabaseBuilder()
                .setType(EmbeddedDatabaseType.DERBY).addScript("sql/storedProcedureTest.sql").build();
        super.setUp();
    }

    @Override
    @After
    public void tearDown() throws Exception {
        super.tearDown();
        db.shutdown();
    }

    @Test
    public void shouldExecuteStoredProcedure() throws InterruptedException {
        MockEndpoint mock = getMockEndpoint("mock:query");
        mock.expectedMessageCount(1);

        Map<String, Object> headers = new HashMap<>();
        headers.put("num1", 1);
        headers.put("num2", 2);
        template.requestBodyAndHeaders("direct:query", null, headers);

        assertMockEndpointsSatisfied();

        Exchange exchange = mock.getExchanges().get(0);

        assertEquals(Integer.valueOf(-1), exchange.getIn().getBody(Map.class).get("resultofsub"));
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                // required for the sql component
                getContext().getComponent("sql-stored", SqlStoredComponent.class).setDataSource(db);

                from("direct:query")
                    .to("sql-stored:SUBNUMBERS_FUNCTION(OUT INTEGER resultofsub, INTEGER ${header.num1},INTEGER ${header.num2})?function=true")
                    .to("mock:query");
            }
        };
    }
}