package liquibase.maven;

import java.io.IOException;
import java.io.File;
import org.apache.maven.it.VerificationException;

import org.apache.maven.it.Verifier;
import org.apache.maven.it.util.ResourceExtractor;
import org.junit.Test;
import liquibase.database.Database;
import liquibase.database.DatabaseConnection;
import liquibase.database.DatabaseFactory;
import liquibase.test.DatabaseTestContext;
import org.junit.Before;
import static org.junit.Assert.*;

/**
 * Maven integration test. Run an update executing maven as if it was ran by the user
 * @author lujop
 */
public class MavenIntegrationTest {
    private static final String URL="jdbc:hsqldb:file:target/test-classes/maven/liquibase;shutdown=true";

    @Before
    public void cleanDatabase() throws Exception {
         DatabaseConnection connection = DatabaseTestContext.getInstance().getConnection(URL);
         assertNotNull(connection);
         Database database = DatabaseFactory.getInstance().findCorrectDatabaseImplementation(connection);
         database.dropDatabaseObjects(null);
         database.close();
         DatabaseFactory.reset();
    }

    @Test
    public void testUpdate() throws Exception{        
        Verifier verifier=createVerifier();

        verifier.executeGoal( "clean" );
        verifier.executeGoal( "install" );

        //Verify everithing has gone well.
        verifier.verifyErrorFreeLog();

        //Reset the streams before executing the verifier
        verifier.resetStreams();
    }
    
    @Test
    public void testRollbackTag() throws Exception {
        Verifier verifier= createVerifier();


        verifier.executeGoal("clean");
        verifier.executeGoal("liquibase:tag");
        verifier.executeGoal("package"); //runs update that is bound to test phase
        verifier.executeGoal("liquibase:rollback");
        //If we can reupdate rollback has succeded
        verifier.executeGoal("liquibase:update");

        //Verify everithing has gone well.
        verifier.verifyErrorFreeLog();

        //Reset the streams before executing the verifier
        verifier.resetStreams();
    }

   private Verifier createVerifier() throws IOException, VerificationException {
        File testDir = ResourceExtractor.simpleExtractResources( getClass(), "/maven" );

        //Clear any artifact created by the test project to avoid unstable test results
        Verifier verifier = new Verifier(testDir.getAbsolutePath());
        verifier.setAutoclean(false); //Don't do clean automatically in each executeGoal
        verifier.deleteArtifact("org.liquibase", "liquibase-maven-integration-tests", "1.0-SNAPSHOT", "jar");
        return verifier;
    }
    
}