001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.hbtop.screen.help;
019
020import static org.hamcrest.CoreMatchers.is;
021import static org.hamcrest.MatcherAssert.assertThat;
022import static org.mockito.ArgumentMatchers.argThat;
023import static org.mockito.ArgumentMatchers.eq;
024import static org.mockito.Mockito.verify;
025
026import org.apache.hadoop.hbase.hbtop.screen.top.TopScreenView;
027import org.apache.hadoop.hbase.testclassification.SmallTests;
028import org.junit.jupiter.api.BeforeEach;
029import org.junit.jupiter.api.Tag;
030import org.junit.jupiter.api.Test;
031import org.junit.jupiter.api.extension.ExtendWith;
032import org.mockito.Mock;
033import org.mockito.junit.jupiter.MockitoExtension;
034
035@Tag(SmallTests.TAG)
036@ExtendWith(MockitoExtension.class)
037public class TestHelpScreenPresenter {
038
039  private static final long TEST_REFRESH_DELAY = 5;
040
041  @Mock
042  private HelpScreenView helpScreenView;
043
044  @Mock
045  private TopScreenView topScreenView;
046
047  private HelpScreenPresenter helpScreenPresenter;
048
049  @BeforeEach
050  public void setup() {
051    helpScreenPresenter =
052      new HelpScreenPresenter(helpScreenView, TEST_REFRESH_DELAY, topScreenView);
053  }
054
055  @Test
056  public void testInit() {
057    helpScreenPresenter.init();
058    verify(helpScreenView).showHelpScreen(eq(TEST_REFRESH_DELAY), argThat(cds -> cds.length == 14));
059  }
060
061  @Test
062  public void testTransitionToTopScreen() {
063    assertThat(helpScreenPresenter.transitionToNextScreen(), is(topScreenView));
064  }
065}