ElSqlComponentTest.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.
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package org.apache.camel.component.elsql;

import java.util.List;
import java.util.Map;

import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.impl.JndiRegistry;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.After;
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 ElSqlComponentTest extends CamelTestSupport {

    private EmbeddedDatabase db;

    @Override
    protected JndiRegistry createRegistry() throws Exception {
        JndiRegistry jndi = super.createRegistry();

        // this is the database we create with some initial data for our unit test
        db = new EmbeddedDatabaseBuilder()
                .setType(EmbeddedDatabaseType.DERBY).addScript("sql/createAndPopulateDatabase.sql").build();

        jndi.bind("dataSource", db);

        return jndi;
    }

    @Test
    public void testSimpleBody() throws Exception {
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(1);

        template.sendBody("direct:simple", "XXX");

        mock.assertIsSatisfied();

        // the result is a List
        List<?> received = assertIsInstanceOf(List.class, mock.getReceivedExchanges().get(0).getIn().getBody());

        // and each row in the list is a Map
        Map<?, ?> row = assertIsInstanceOf(Map.class, received.get(0));

        // and we should be able the get the project from the map that should be Linux
        assertEquals("Linux", row.get("PROJECT"));
    }

    @After
    public void tearDown() throws Exception {
        super.tearDown();

        db.shutdown();
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() {
                getContext().getComponent("elsql", ElsqlComponent.class).setDataSource(db);
                getContext().getComponent("elsql", ElsqlComponent.class).setResourceUri("elsql/projects.elsql");

                from("direct:simple")
                        .to("elsql:projectsById")
                        .to("mock:result");
            }
        };
    }
}