import com.cronutils.mapper.CronMapper;
import com.cronutils.model.Cron;
import com.cronutils.model.CronType;
import com.cronutils.model.definition.CronDefinition;
import com.cronutils.model.definition.CronDefinitionBuilder;
import com.cronutils.parser.CronParser;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.Test;
import org.joda.time.DateTime;
import org.junit.jupiter.api.DisplayName;

public class CronParserTest {

    public CronParserTest() {
    }

    @Test
    @DisplayName("convert Unix-style cron expression to Quartz-style cron exrpession")
    public void cronConversionTest_UNIX_TO_QUARTZ(){
        //Unix Cron Expression (5 members)
        String cronStr = "0 0 */5 * *"; //executes every fifth day at 00:00:00
        CronDefinition cronDef = CronDefinitionBuilder.instanceDefinitionFor(CronType.UNIX);
        CronParser parser = new CronParser(cronDef); //parse String
        Cron cronUnix = parser.parse(cronStr);
        System.out.println("cron_Unix: " + cronUnix.asString());

        assertDoesNotThrow(() -> cronUnix.validate()); //validate Unix

        //Convert Unix to Quartz Cron Expression
        CronMapper mapper_U_Q = CronMapper.fromUnixToQuartz();
        Cron cronQuartz = mapper_U_Q.map(cronUnix);
        System.out.println("cron_Quartz: " + cronUnix.asString());

        assertDoesNotThrow(() -> cronQuartz.validate()); //validate Quartz

        //Roundtrip
        CronMapper mapper_Q_U = CronMapper.fromQuartzToUnix();

        assertTrue(cronUnix.equivalent(mapper_Q_U, cronQuartz));
        assertEquals(cronStr, mapper_Q_U.map(cronQuartz).asString());
    }
}