/*
 * Copyright 2012-2017 Red Hat, Inc.
 *
 * This file is part of Thermostat.
 *
 * Thermostat is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2, or (at your
 * option) any later version.
 *
 * Thermostat 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Thermostat; see the file COPYING.  If not see
 * <http://www.gnu.org/licenses/>.
 *
 * Linking this code with other modules is making a combined work
 * based on this code.  Thus, the terms and conditions of the GNU
 * General Public License cover the whole combination.
 *
 * As a special exception, the copyright holders of this code give
 * you permission to link this code with independent modules to
 * produce an executable, regardless of the license terms of these
 * independent modules, and to copy and distribute the resulting
 * executable under terms of your choice, provided that you also
 * meet, for each linked independent module, the terms and conditions
 * of the license of that module.  An independent module is a module
 * which is not derived from or based on this code.  If you modify
 * this code, you may extend this exception to your version of the
 * library, but you are not obligated to do so.  If you do not wish
 * to do so, delete this exception statement from your version.
 */

package com.redhat.thermostat.dev.perf.logs.internal.parsers;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.sql.Date;
import java.util.concurrent.TimeUnit;

import org.junit.Test;

import com.redhat.thermostat.dev.perf.logs.internal.Duration;
import com.redhat.thermostat.dev.perf.logs.internal.LineParseException;
import com.redhat.thermostat.dev.perf.logs.internal.LineStat;
import com.redhat.thermostat.dev.perf.logs.internal.LogTag;
import com.redhat.thermostat.dev.perf.logs.internal.MessageDuration;
import com.redhat.thermostat.dev.perf.logs.internal.ReadStatementStat;
import com.redhat.thermostat.dev.perf.logs.internal.SharedStatementState;

public class ReadStatementStatParserTest {

    @Test
    public void canParseBasic() throws LineParseException {
        String desc1 = "foo read descriptor";
        String msg = "DB_READ " + desc1;
        Duration d = new Duration(8812, TimeUnit.NANOSECONDS);
        MessageDuration md = new MessageDuration(msg, d);
        SharedStatementState state = mock(SharedStatementState.class);
        int descId = 1;
        when(state.getMappedStatementId(desc1)).thenReturn(descId);
        ReadStatementStatParser parser = new ReadStatementStatParser(state);
        assertTrue(parser.matches(msg));
        Date timestamp = mock(Date.class);
        LineStat stat = parser.parse(timestamp, true, LogTag.STORAGE_BACKING_PROXIED, md);
        assertNotNull(stat);
        assertTrue(stat instanceof ReadStatementStat);
        ReadStatementStat rStat = (ReadStatementStat)stat;
        assertEquals(descId, rStat.getDescId());
        assertEquals(timestamp, rStat.getTimeStamp());
        assertEquals(LogTag.STORAGE_BACKING_PROXIED, rStat.getLogTag());
        assertEquals(d, rStat.getExecTime());
    }
    
    @Test
    public void refusesToMatchForWrongLine() {
        ReadStatementStatParser parser = new ReadStatementStatParser(mock(SharedStatementState.class));
        assertFalse(parser.matches("foo-bar-baz"));
    }
}