java-design-patterns/front-controller/src/test/java/com/iluwatar/front/controller/FrontControllerTest.java

/**
 * The MIT License
 * Copyright © 2014-2019 Ilkka Seppälä
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.iluwatar.front.controller;

import com.iluwatar.front.controller.utils.InMemoryAppender;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;

import java.util.ArrayList;
import java.util.List;

import static org.junit.jupiter.api.Assertions.assertEquals;

/**
 * Date: 12/13/15 - 1:39 PM
 *
 * @author Jeroen Meulemeester
 */
public class FrontControllerTest {

  private InMemoryAppender appender;

  @BeforeEach
  public void setUp() {
    appender = new InMemoryAppender();
  }

  @AfterEach
  public void tearDown() {
    appender.stop();
  }

  static List<Object[]> dataProvider() {
    final List<Object[]> parameters = new ArrayList<>();
    parameters.add(new Object[]{new ArcherCommand(), "Displaying archers"});
    parameters.add(new Object[]{new CatapultCommand(), "Displaying catapults"});
    parameters.add(new Object[]{new UnknownCommand(), "Error 500"});
    return parameters;
  }

  /**
   * @param command        The command that's been tested
   * @param displayMessage The expected display message
   */
  @ParameterizedTest
  @MethodSource("dataProvider")
  public void testDisplay(Command command, String displayMessage) {
    assertEquals(0, appender.getLogSize());
    command.process();
    assertEquals(displayMessage, appender.getLastMessage());
    assertEquals(1, appender.getLogSize());
  }

}