DbClearChecksumsCommandTest.java

package io.dropwizard.migrations;

import com.google.common.collect.ImmutableMap;
import liquibase.Liquibase;
import net.jcip.annotations.NotThreadSafe;
import net.sourceforge.argparse4j.inf.Namespace;
import org.junit.Test;
import org.mockito.Mockito;

import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;

import static org.assertj.core.api.Assertions.assertThat;

@NotThreadSafe
public class DbClearChecksumsCommandTest extends AbstractMigrationTest {

    private DbClearChecksumsCommand<TestMigrationConfiguration> clearChecksums = new DbClearChecksumsCommand<>(
        TestMigrationConfiguration::getDataSource, TestMigrationConfiguration.class, "migrations.xml");

    @Test
    public void testRun() throws Exception {
        final Liquibase liquibase = Mockito.mock(Liquibase.class);
        clearChecksums.run(new Namespace(ImmutableMap.of()), liquibase);
        Mockito.verify(liquibase).clearCheckSums();
    }

    @Test
    public void testHelpPage() throws Exception {
        final ByteArrayOutputStream out = new ByteArrayOutputStream();
        createSubparser(clearChecksums).printHelp(new PrintWriter(new OutputStreamWriter(out, UTF_8), true));
        assertThat(out.toString(UTF_8)).isEqualTo(String.format(
            "usage: db clear-checksums [-h] [--migrations MIGRATIONS-FILE]%n" +
                "          [--catalog CATALOG] [--schema SCHEMA] [file]%n" +
                "%n" +
                "Removes all saved checksums from the database log%n" +
                "%n" +
                "positional arguments:%n" +
                "  file                   application configuration file%n" +
                "%n" +
                "optional arguments:%n" +
                "  -h, --help             show this help message and exit%n" +
                "  --migrations MIGRATIONS-FILE%n" +
                "                         the file containing  the  Liquibase migrations for%n" +
                "                         the application%n" +
                "  --catalog CATALOG      Specify  the   database   catalog   (use  database%n" +
                "                         default if omitted)%n" +
                "  --schema SCHEMA        Specify the database schema  (use database default%n" +
                "                         if omitted)%n"));
    }
}