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.mode;
019
020import static org.hamcrest.CoreMatchers.is;
021import static org.hamcrest.MatcherAssert.assertThat;
022import static org.mockito.ArgumentMatchers.any;
023import static org.mockito.ArgumentMatchers.eq;
024import static org.mockito.Mockito.never;
025import static org.mockito.Mockito.verify;
026
027import java.util.Arrays;
028import java.util.function.Consumer;
029import org.apache.hadoop.hbase.hbtop.mode.Mode;
030import org.apache.hadoop.hbase.hbtop.screen.top.TopScreenView;
031import org.apache.hadoop.hbase.testclassification.SmallTests;
032import org.junit.jupiter.api.Tag;
033import org.junit.jupiter.api.Test;
034import org.junit.jupiter.api.extension.ExtendWith;
035import org.mockito.Mock;
036import org.mockito.junit.jupiter.MockitoExtension;
037
038@Tag(SmallTests.TAG)
039@ExtendWith(MockitoExtension.class)
040public class TestModeScreenPresenter {
041
042  @Mock
043  private ModeScreenView modeScreenView;
044
045  @Mock
046  private TopScreenView topScreenView;
047
048  @Mock
049  private Consumer<Mode> resultListener;
050
051  private ModeScreenPresenter createModeScreenPresenter(Mode currentMode) {
052    return new ModeScreenPresenter(modeScreenView, currentMode, resultListener, topScreenView);
053  }
054
055  @Test
056  public void testInit() {
057    ModeScreenPresenter modeScreenPresenter = createModeScreenPresenter(Mode.REGION);
058
059    modeScreenPresenter.init();
060
061    int modeHeaderMaxLength = Mode.REGION_SERVER.getHeader().length();
062    int modeDescriptionMaxLength = Mode.REGION_SERVER.getDescription().length();
063
064    verify(modeScreenView).showModeScreen(eq(Mode.REGION), eq(Arrays.asList(Mode.values())),
065      eq(Mode.REGION.ordinal()), eq(modeHeaderMaxLength), eq(modeDescriptionMaxLength));
066  }
067
068  @Test
069  public void testSelectNamespaceMode() {
070    ModeScreenPresenter modeScreenPresenter = createModeScreenPresenter(Mode.REGION);
071
072    modeScreenPresenter.arrowUp();
073    modeScreenPresenter.arrowUp();
074
075    assertThat(modeScreenPresenter.transitionToNextScreen(true), is(topScreenView));
076    verify(resultListener).accept(eq(Mode.NAMESPACE));
077  }
078
079  @Test
080  public void testSelectTableMode() {
081    ModeScreenPresenter modeScreenPresenter = createModeScreenPresenter(Mode.REGION);
082
083    modeScreenPresenter.arrowUp();
084    assertThat(modeScreenPresenter.transitionToNextScreen(true), is(topScreenView));
085    verify(resultListener).accept(eq(Mode.TABLE));
086  }
087
088  @Test
089  public void testSelectRegionMode() {
090    ModeScreenPresenter modeScreenPresenter = createModeScreenPresenter(Mode.NAMESPACE);
091
092    modeScreenPresenter.arrowDown();
093    modeScreenPresenter.arrowDown();
094
095    assertThat(modeScreenPresenter.transitionToNextScreen(true), is(topScreenView));
096    verify(resultListener).accept(eq(Mode.REGION));
097  }
098
099  @Test
100  public void testSelectRegionServerMode() {
101    ModeScreenPresenter modeScreenPresenter = createModeScreenPresenter(Mode.REGION);
102
103    modeScreenPresenter.arrowDown();
104
105    assertThat(modeScreenPresenter.transitionToNextScreen(true), is(topScreenView));
106    verify(resultListener).accept(eq(Mode.REGION_SERVER));
107  }
108
109  @Test
110  public void testCancelSelectingMode() {
111    ModeScreenPresenter modeScreenPresenter = createModeScreenPresenter(Mode.REGION);
112
113    modeScreenPresenter.arrowDown();
114    modeScreenPresenter.arrowDown();
115
116    assertThat(modeScreenPresenter.transitionToNextScreen(false), is(topScreenView));
117    verify(resultListener, never()).accept(any());
118  }
119
120  @Test
121  public void testPageUp() {
122    ModeScreenPresenter modeScreenPresenter = createModeScreenPresenter(Mode.REGION);
123
124    modeScreenPresenter.pageUp();
125
126    assertThat(modeScreenPresenter.transitionToNextScreen(true), is(topScreenView));
127    verify(resultListener).accept(eq(Mode.values()[0]));
128  }
129
130  @Test
131  public void testPageDown() {
132    ModeScreenPresenter modeScreenPresenter = createModeScreenPresenter(Mode.REGION);
133
134    modeScreenPresenter.pageDown();
135
136    assertThat(modeScreenPresenter.transitionToNextScreen(true), is(topScreenView));
137    Mode[] modes = Mode.values();
138    verify(resultListener).accept(eq(modes[modes.length - 1]));
139  }
140}