dropwizard/dropwizard

package io.dropwizard.migrations;

import liquibase.Liquibase;
import net.jcip.annotations.NotThreadSafe;
import net.sourceforge.argparse4j.inf.Namespace;
import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

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

import static java.nio.charset.StandardCharsets.UTF_8;
import static org.assertj.core.api.Assertions.assertThat;

@NotThreadSafe
class DbGenerateDocsCommandTest {

    private final DbGenerateDocsCommand<TestMigrationConfiguration> generateDocsCommand = new DbGenerateDocsCommand<>(
        TestMigrationConfiguration::getDataSource, TestMigrationConfiguration.class, "migrations.xml");

    @Test
    void testRun() throws Exception {
        Liquibase liquibase = Mockito.mock(Liquibase.class);
        generateDocsCommand.run(new Namespace(Collections.singletonMap("output", Collections.singletonList("/tmp/docs"))), liquibase);
        Mockito.verify(liquibase).generateDocumentation("/tmp/docs");
    }

    @Test
    void testHelpPage() throws Exception {
        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        MigrationTestSupport.createSubparser(generateDocsCommand).printHelp(new PrintWriter(new OutputStreamWriter(baos, UTF_8), true));
        assertThat(baos.toString(UTF_8.name())).isEqualTo(String.format(
            "usage: db generate-docs [-h] [--migrations MIGRATIONS-FILE]%n" +
                "          [--catalog CATALOG] [--schema SCHEMA] [file] output%n" +
                "%n" +
                "Generate documentation about the database state.%n" +
                "%n" +
                "positional arguments:%n" +
                "  file                   application configuration file%n" +
                "  output                 output directory%n" +
                "%n" +
                "named 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"));
    }
}