Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.documentsui; |
| 18 | |
| 19 | import static org.junit.Assert.*; |
| 20 | |
| 21 | import android.support.v7.widget.RecyclerView; |
Steve McKay | 8c1b8c8 | 2015-07-28 19:20:01 -0700 | [diff] [blame^] | 22 | import android.view.KeyEvent; |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 23 | import android.view.MotionEvent; |
| 24 | import android.view.View; |
| 25 | import android.view.ViewGroup; |
| 26 | |
| 27 | import com.android.documentsui.MultiSelectManager.RecyclerViewHelper; |
| 28 | import com.android.documentsui.MultiSelectManager.Selection; |
| 29 | |
| 30 | import org.junit.Before; |
| 31 | import org.junit.Test; |
| 32 | import org.mockito.Mockito; |
| 33 | |
| 34 | import java.util.ArrayList; |
| 35 | import java.util.HashSet; |
| 36 | import java.util.List; |
| 37 | import java.util.Set; |
| 38 | |
| 39 | public class MultiSelectManagerTest { |
| 40 | |
| 41 | private static final List<String> items; |
| 42 | static { |
| 43 | items = new ArrayList<String>(); |
| 44 | items.add("aaa"); |
| 45 | items.add("bbb"); |
| 46 | items.add("ccc"); |
| 47 | items.add("111"); |
| 48 | items.add("222"); |
| 49 | items.add("333"); |
| 50 | } |
| 51 | |
| 52 | private MultiSelectManager mManager; |
| 53 | private TestAdapter mAdapter; |
| 54 | private TestCallback mCallback; |
| 55 | |
| 56 | private EventHelper mEventHelper; |
| 57 | |
| 58 | @Before |
| 59 | public void setUp() throws Exception { |
| 60 | mAdapter = new TestAdapter(items); |
| 61 | mCallback = new TestCallback(); |
| 62 | mEventHelper = new EventHelper(); |
| 63 | mManager = new MultiSelectManager(mAdapter, mEventHelper); |
| 64 | mManager.addCallback(mCallback); |
| 65 | } |
| 66 | |
| 67 | @Test |
Steve McKay | 9459a7c | 2015-07-24 13:14:20 -0700 | [diff] [blame] | 68 | public void longPress_StartsSelectionMode() { |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 69 | mManager.onLongPress(7); |
| 70 | assertSelection(7); |
| 71 | } |
| 72 | |
| 73 | @Test |
Steve McKay | 9459a7c | 2015-07-24 13:14:20 -0700 | [diff] [blame] | 74 | public void longPress_SecondPressExtendsSelection() { |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 75 | mManager.onLongPress(7); |
| 76 | mManager.onLongPress(99); |
| 77 | assertSelection(7, 99); |
| 78 | } |
| 79 | |
| 80 | @Test |
Steve McKay | 9459a7c | 2015-07-24 13:14:20 -0700 | [diff] [blame] | 81 | public void singleTapUp_DoesNotSelectBeforeLongPress() { |
Steve McKay | 8c1b8c8 | 2015-07-28 19:20:01 -0700 | [diff] [blame^] | 82 | mManager.onSingleTapUp(99, 0); |
Steve McKay | 9459a7c | 2015-07-24 13:14:20 -0700 | [diff] [blame] | 83 | assertSelection(); |
| 84 | } |
| 85 | |
| 86 | @Test |
| 87 | public void singleTapUp_UnselectsSelectedItem() { |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 88 | mManager.onLongPress(7); |
Steve McKay | 8c1b8c8 | 2015-07-28 19:20:01 -0700 | [diff] [blame^] | 89 | mManager.onSingleTapUp(7, 0); |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 90 | assertSelection(); |
| 91 | } |
| 92 | |
| 93 | @Test |
Steve McKay | 9459a7c | 2015-07-24 13:14:20 -0700 | [diff] [blame] | 94 | public void singleTapUp_NoPositionClearsSelection() { |
| 95 | mManager.onLongPress(7); |
Steve McKay | 8c1b8c8 | 2015-07-28 19:20:01 -0700 | [diff] [blame^] | 96 | mManager.onSingleTapUp(11, 0); |
| 97 | mManager.onSingleTapUp(RecyclerView.NO_POSITION, 0); |
Steve McKay | 9459a7c | 2015-07-24 13:14:20 -0700 | [diff] [blame] | 98 | assertSelection(); |
| 99 | } |
| 100 | |
| 101 | @Test |
| 102 | public void singleTapUp_ExtendsSelection() { |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 103 | mManager.onLongPress(99); |
Steve McKay | 8c1b8c8 | 2015-07-28 19:20:01 -0700 | [diff] [blame^] | 104 | mManager.onSingleTapUp(7, 0); |
| 105 | mManager.onSingleTapUp(13, 0); |
| 106 | mManager.onSingleTapUp(129899, 0); |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 107 | assertSelection(7, 99, 13, 129899); |
| 108 | } |
| 109 | |
Steve McKay | 8c1b8c8 | 2015-07-28 19:20:01 -0700 | [diff] [blame^] | 110 | @Test |
| 111 | public void singleTapUp_ShiftCreatesRangeSelection() { |
| 112 | mManager.onLongPress(7); |
| 113 | mManager.onSingleTapUp(17, KeyEvent.META_SHIFT_ON); |
| 114 | assertRangeSelection(7, 17); |
| 115 | } |
| 116 | |
| 117 | @Test |
| 118 | public void singleTapUp_ShiftCreatesRangeSeletion_Backwards() { |
| 119 | mManager.onLongPress(17); |
| 120 | mManager.onSingleTapUp(7, KeyEvent.META_SHIFT_ON); |
| 121 | assertRangeSelection(7, 17); |
| 122 | } |
| 123 | |
| 124 | @Test |
| 125 | public void singleTapUp_SecondShiftClickExtendsSelection() { |
| 126 | mManager.onLongPress(7); |
| 127 | mManager.onSingleTapUp(11, KeyEvent.META_SHIFT_ON); |
| 128 | mManager.onSingleTapUp(17, KeyEvent.META_SHIFT_ON); |
| 129 | assertRangeSelection(7, 17); |
| 130 | } |
| 131 | |
| 132 | @Test |
| 133 | public void singleTapUp_MultipleContiguousRangesSelected() { |
| 134 | mManager.onLongPress(7); |
| 135 | mManager.onSingleTapUp(11, KeyEvent.META_SHIFT_ON); |
| 136 | mManager.onSingleTapUp(20, 0); |
| 137 | mManager.onSingleTapUp(25, KeyEvent.META_SHIFT_ON); |
| 138 | assertRangeSelected(7, 11); |
| 139 | assertRangeSelected(20, 25); |
| 140 | assertSelectionSize(11); |
| 141 | } |
| 142 | |
| 143 | @Test |
| 144 | public void singleTapUp_ShiftReducesSelectionRange_FromPreviousShiftClick() { |
| 145 | mManager.onLongPress(7); |
| 146 | mManager.onSingleTapUp(17, KeyEvent.META_SHIFT_ON); |
| 147 | mManager.onSingleTapUp(10, KeyEvent.META_SHIFT_ON); |
| 148 | assertRangeSelection(7, 10); |
| 149 | } |
| 150 | |
| 151 | @Test |
| 152 | public void singleTapUp_ShiftReducesSelectionRange_FromPreviousShiftClick_Backwards() { |
| 153 | mManager.onLongPress(17); |
| 154 | mManager.onSingleTapUp(7, KeyEvent.META_SHIFT_ON); |
| 155 | mManager.onSingleTapUp(14, KeyEvent.META_SHIFT_ON); |
| 156 | assertRangeSelection(14, 17); |
| 157 | } |
| 158 | |
| 159 | |
| 160 | @Test |
| 161 | public void singleTapUp_ShiftReversesSelectionDirection() { |
| 162 | mManager.onLongPress(7); |
| 163 | mManager.onSingleTapUp(17, KeyEvent.META_SHIFT_ON); |
| 164 | mManager.onSingleTapUp(0, KeyEvent.META_SHIFT_ON); |
| 165 | assertRangeSelection(0, 7); |
| 166 | } |
| 167 | |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 168 | private void assertSelected(int... expected) { |
| 169 | for (int i = 0; i < expected.length; i++) { |
| 170 | Selection selection = mManager.getSelection(); |
| 171 | String err = String.format( |
| 172 | "Selection %s does not contain %d", selection, expected[i]); |
| 173 | assertTrue(err, selection.contains(expected[i])); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | private void assertSelection(int... expected) { |
| 178 | assertSelectionSize(expected.length); |
| 179 | assertSelected(expected); |
| 180 | } |
| 181 | |
Steve McKay | 8c1b8c8 | 2015-07-28 19:20:01 -0700 | [diff] [blame^] | 182 | private void assertRangeSelected(int begin, int end) { |
| 183 | for (int i = begin; i <= end; i++) { |
| 184 | assertSelected(i); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | private void assertRangeSelection(int begin, int end) { |
| 189 | assertSelectionSize(end - begin + 1); |
| 190 | assertRangeSelected(begin, end); |
| 191 | } |
| 192 | |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 193 | private void assertSelectionSize(int expected) { |
| 194 | Selection selection = mManager.getSelection(); |
Steve McKay | 8c1b8c8 | 2015-07-28 19:20:01 -0700 | [diff] [blame^] | 195 | assertEquals(selection.toString(), expected, selection.size()); |
Steve McKay | ef28015 | 2015-06-11 10:10:49 -0700 | [diff] [blame] | 196 | } |
| 197 | |
| 198 | private static final class EventHelper implements RecyclerViewHelper { |
| 199 | @Override |
| 200 | public int findEventPosition(MotionEvent e) { |
| 201 | throw new UnsupportedOperationException(); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | private static final class TestCallback implements MultiSelectManager.Callback { |
| 206 | |
| 207 | Set<Integer> ignored = new HashSet<>(); |
| 208 | private int mLastChangedPosition; |
| 209 | private boolean mLastChangedSelected; |
| 210 | |
| 211 | @Override |
| 212 | public void onItemStateChanged(int position, boolean selected) { |
| 213 | this.mLastChangedPosition = position; |
| 214 | this.mLastChangedSelected = selected; |
| 215 | } |
| 216 | |
| 217 | @Override |
| 218 | public boolean onBeforeItemStateChange(int position, boolean selected) { |
| 219 | return !ignored.contains(position); |
| 220 | } |
| 221 | } |
| 222 | |
| 223 | private static final class TestHolder extends RecyclerView.ViewHolder { |
| 224 | // each data item is just a string in this case |
| 225 | public View view; |
| 226 | public String string; |
| 227 | public TestHolder(View view) { |
| 228 | super(view); |
| 229 | this.view = view; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | private static final class TestAdapter extends RecyclerView.Adapter<TestHolder> { |
| 234 | |
| 235 | private List<String> mItems; |
| 236 | |
| 237 | public TestAdapter(List<String> items) { |
| 238 | mItems = items; |
| 239 | } |
| 240 | |
| 241 | @Override |
| 242 | public TestHolder onCreateViewHolder(ViewGroup parent, int viewType) { |
| 243 | return new TestHolder(Mockito.mock(ViewGroup.class)); |
| 244 | } |
| 245 | |
| 246 | @Override |
| 247 | public void onBindViewHolder(TestHolder holder, int position) {} |
| 248 | |
| 249 | @Override |
| 250 | public int getItemCount() { |
| 251 | return mItems.size(); |
| 252 | } |
| 253 | } |
| 254 | } |