org.sonar.db.profiling.ProfiledDataSourceTest.java Source code

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Here is the source code for org.sonar.db.profiling.ProfiledDataSourceTest.java

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/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.db.profiling;

import java.io.ByteArrayInputStream;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.sql.Connection;
import java.sql.Date;
import java.sql.PreparedStatement;
import java.sql.Statement;
import java.sql.Timestamp;
import org.apache.commons.dbcp.BasicDataSource;
import org.junit.Rule;
import org.junit.Test;
import org.sonar.api.utils.log.LogTester;
import org.sonar.api.utils.log.LoggerLevel;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class ProfiledDataSourceTest {

    @Rule
    public LogTester logTester = new LogTester();

    BasicDataSource originDataSource = mock(BasicDataSource.class);

    @Test
    public void execute_and_log_statement() throws Exception {
        logTester.setLevel(LoggerLevel.TRACE);

        Connection connection = mock(Connection.class);
        when(originDataSource.getConnection()).thenReturn(connection);

        String sql = "select from dual";
        Statement stmt = mock(Statement.class);
        when(connection.createStatement()).thenReturn(stmt);
        when(stmt.execute(sql)).thenReturn(true);

        ProfiledDataSource underTest = new ProfiledDataSource(originDataSource,
                ProfiledConnectionInterceptor.INSTANCE);

        assertThat(underTest.getUrl()).isNull();
        assertThat(underTest.getConnection().getClientInfo()).isNull();
        final Statement statementProxy = underTest.getConnection().createStatement();
        assertThat(statementProxy.getConnection()).isNull();
        assertThat(statementProxy.execute(sql)).isTrue();

        assertThat(logTester.logs(LoggerLevel.TRACE)).hasSize(1);
        assertThat(logTester.logs(LoggerLevel.TRACE).get(0)).contains("sql=select from dual");
    }

    @Test
    public void execute_and_log_prepared_statement_with_parameters() throws Exception {
        logTester.setLevel(LoggerLevel.TRACE);

        Connection connection = mock(Connection.class);
        when(originDataSource.getConnection()).thenReturn(connection);

        String sqlWithParams = "insert into polop (col1, col2, col3, col4) values (?, ?, ?, ?, ?)";
        int param1 = 42;
        String param2 = "plouf";
        Date param3 = new Date(System.currentTimeMillis());
        Timestamp param4 = new Timestamp(System.currentTimeMillis());
        byte[] param5 = "blob".getBytes("UTF-8");

        PreparedStatement preparedStatement = mock(PreparedStatement.class);
        when(connection.prepareStatement(sqlWithParams)).thenReturn(preparedStatement);
        when(preparedStatement.execute()).thenReturn(true);

        ProfiledDataSource ds = new ProfiledDataSource(originDataSource, ProfiledConnectionInterceptor.INSTANCE);

        assertThat(ds.getUrl()).isNull();
        assertThat(ds.getConnection().getClientInfo()).isNull();
        PreparedStatement preparedStatementProxy = ds.getConnection().prepareStatement(sqlWithParams);
        preparedStatementProxy.setInt(1, param1);
        preparedStatementProxy.setString(2, param2);
        preparedStatementProxy.setDate(3, param3);
        preparedStatementProxy.setTimestamp(4, param4);
        preparedStatementProxy.setBlob(5, new ByteArrayInputStream(param5));
        assertThat(preparedStatementProxy.getConnection()).isNull();
        assertThat(preparedStatementProxy.execute()).isTrue();

        assertThat(logTester.logs(LoggerLevel.TRACE)).hasSize(1);
        assertThat(logTester.logs(LoggerLevel.TRACE).get(0))
                .contains("sql=insert into polop (col1, col2, col3, col4) values (?, ?, ?, ?, ?)")
                .contains("params=42, plouf");
    }

    @Test
    public void execute_and_log_prepared_statement_without_parameters() throws Exception {
        logTester.setLevel(LoggerLevel.TRACE);

        Connection connection = mock(Connection.class);
        when(originDataSource.getConnection()).thenReturn(connection);

        String sqlWithParams = "select from dual";
        PreparedStatement preparedStatement = mock(PreparedStatement.class);
        when(connection.prepareStatement(sqlWithParams)).thenReturn(preparedStatement);
        when(preparedStatement.execute()).thenReturn(true);

        ProfiledDataSource ds = new ProfiledDataSource(originDataSource, ProfiledConnectionInterceptor.INSTANCE);

        assertThat(ds.getUrl()).isNull();
        assertThat(ds.getConnection().getClientInfo()).isNull();
        PreparedStatement preparedStatementProxy = ds.getConnection().prepareStatement(sqlWithParams);
        assertThat(preparedStatementProxy.getConnection()).isNull();
        assertThat(preparedStatementProxy.execute()).isTrue();

        assertThat(logTester.logs(LoggerLevel.TRACE)).hasSize(1);
        assertThat(logTester.logs(LoggerLevel.TRACE).get(0)).contains("sql=select from dual")
                .doesNotContain("params=");
    }

    @Test
    public void delegate_to_underlying_data_source() throws Exception {
        ProfiledDataSource proxy = new ProfiledDataSource(originDataSource, ProfiledConnectionInterceptor.INSTANCE);

        // painful to call all methods
        // so using reflection to check that calls does not fail
        // Limitation: methods with parameters are not tested and calls to
        // underlying datasource are not verified
        for (Method method : ProfiledDataSource.class.getDeclaredMethods()) {
            if (method.getParameterTypes().length == 0 && Modifier.isPublic(method.getModifiers())) {
                method.invoke(proxy);
            }
        }
    }
}