Getting injected parse results

FlatOptionsTest.java

package schemacrawler.test.commandline.command;

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;

import org.junit.jupiter.api.Test;

import picocli.CommandLine;
import picocli.CommandLine.Command;
import picocli.CommandLine.Model.CommandSpec;
import picocli.CommandLine.Option;
import picocli.CommandLine.Spec;

public class FlatOptionsTest {

  @Test
  public void specCommandLine() throws Exception {
    final String[] args = {"--option", "hello"};

    @Command(name = "base-command")
    class SomeClass {}

    @Command(name = "flatoptions")
    class FlatOptions implements Runnable {
      @Spec private CommandSpec spec;

      @Option(names = "--option")
      private String option;

      @Override
      public void run() {
        assertTrue(option.equals("hello"));
        if (spec.commandLine() == null) {
          fail("Cannot get command-line or parse result here");
        }
      }
    }

    final CommandSpec flatoptionsCommandSpec = CommandSpec.forAnnotatedObject(new FlatOptions());

    final CommandLine baseCommandLine = new CommandLine(new SomeClass());
    baseCommandLine.addMixin("flatoptions", flatoptionsCommandSpec);

    baseCommandLine.parseArgs(args);

    final Runnable runnable = (Runnable) baseCommandLine.getMixins().get("flatoptions");
    runnable.run();
  }
}