OptionsTest.java

/*
 * Copyright (c) 2009-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.planet57.gshell.util.cli2;

import java.util.List;

import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

/**
 * Tests options.
 */
public class OptionsTest
    extends CliProcessorTestSupport
{
  private static class Simple
  {
    @Option(name = "h", longName = "help")
    boolean help;

    @Option(name = "v", optionalArg = true)
    Boolean verbose;

    @Option(name = "s")
    String string;

    @Option(name = "S", args = 2)
    List<String> strings;

    private boolean debug;

    @Option(name = "d", longName = "debug", optionalArg = true)
    private void setDebug(final boolean flag) {
      debug = flag;
    }
  }

  private Simple bean;

  @Override
  protected Object createBean() {
    return bean = new Simple();
  }

  @Test
  public void testHelp() throws Exception {
    underTest.process("-h");
    assertTrue(bean.help);
  }

  @Test
  public void testHelp2() throws Exception {
    underTest.process("--help");
    assertTrue(bean.help);
  }

  @Test
  public void testVerbose() throws Exception {
    underTest.process("-v");
    assertTrue(bean.verbose);
  }

  @Test
  public void testVerbose2() throws Exception {
    underTest.process("-v", "false");
    assertFalse(bean.verbose);
  }

  @Test
  public void testDebug() throws Exception {
    underTest.process("--debug");
    assertTrue(bean.debug);
  }

  @Test
  public void testDebugFalse() throws Exception {
    underTest.process("--debug=false");
    assertFalse(bean.debug);
  }

  @Test
  public void testDebugTrue() throws Exception {
    underTest.process("--debug=true");
    assertTrue(bean.debug);
  }

  @Test
  public void testString() throws Exception {
    try {
      underTest.process("-s");
      fail();
    }
    catch (Exception e) {
      // ignore
    }

    underTest.process("-s", "foo");
    assertEquals("foo", bean.string);
  }

  @Test
  public void testStrings() throws Exception {
    try {
      underTest.process("-S");
      fail();
    }
    catch (Exception e) {
      // ignore
    }

    underTest.process("-S", "foo", "bar");
    assertEquals("foo", bean.strings.get(0));
    assertEquals("bar", bean.strings.get(1));
  }

  @Test
  public void testStrings2() throws Exception {
    try {
      underTest.process("-S", "foo", "bar", "baz");
      fail();
    }
    catch (Exception e) {
      // ignore
    }
  }
}