org.springframework.boot.autoconfigure.jdbc.metadata.CommonsDbcpDataSourcePoolMetadataTests.java Source code

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Here is the source code for org.springframework.boot.autoconfigure.jdbc.metadata.CommonsDbcpDataSourcePoolMetadataTests.java

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/*
 * Copyright 2012-2014 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.boot.autoconfigure.jdbc.metadata;

import org.apache.commons.dbcp.BasicDataSource;
import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;

/**
 * Tests for {@link CommonsDbcpDataSourcePoolMetadata}.
 *
 * @author Stephane Nicoll
 */
public class CommonsDbcpDataSourcePoolMetadataTests
        extends AbstractDataSourcePoolMetadataTests<CommonsDbcpDataSourcePoolMetadata> {

    private CommonsDbcpDataSourcePoolMetadata dataSourceMetadata;

    @Before
    public void setup() {
        this.dataSourceMetadata = createDataSourceMetadata(0, 2);
    }

    @Override
    protected CommonsDbcpDataSourcePoolMetadata getDataSourceMetadata() {
        return this.dataSourceMetadata;
    }

    @Test
    public void getPoolUsageWithNoCurrent() {
        CommonsDbcpDataSourcePoolMetadata dsm = new CommonsDbcpDataSourcePoolMetadata(createDataSource()) {
            @Override
            public Integer getActive() {
                return null;
            }
        };
        assertNull(dsm.getUsage());
    }

    @Test
    public void getPoolUsageWithNoMax() {
        CommonsDbcpDataSourcePoolMetadata dsm = new CommonsDbcpDataSourcePoolMetadata(createDataSource()) {
            @Override
            public Integer getMax() {
                return null;
            }
        };
        assertNull(dsm.getUsage());
    }

    @Test
    public void getPoolUsageWithUnlimitedPool() {
        DataSourcePoolMetadata unlimitedDataSource = createDataSourceMetadata(0, -1);
        assertEquals(Float.valueOf(-1F), unlimitedDataSource.getUsage());
    }

    @Override
    public void getValidationQuery() {
        BasicDataSource dataSource = createDataSource();
        dataSource.setValidationQuery("SELECT FROM FOO");
        assertEquals("SELECT FROM FOO", new CommonsDbcpDataSourcePoolMetadata(dataSource).getValidationQuery());
    }

    private CommonsDbcpDataSourcePoolMetadata createDataSourceMetadata(int minSize, int maxSize) {
        BasicDataSource dataSource = createDataSource();
        dataSource.setMinIdle(minSize);
        dataSource.setMaxActive(maxSize);
        return new CommonsDbcpDataSourcePoolMetadata(dataSource);
    }

    private BasicDataSource createDataSource() {
        return (BasicDataSource) initializeBuilder().type(BasicDataSource.class).build();
    }

}