1 /* 2 * Copyright (C) 2020 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 com.google.common.truth.Truth.assertThat; 20 21 import androidx.recyclerview.selection.SelectionTracker; 22 import androidx.test.filters.SmallTest; 23 24 import org.junit.Before; 25 import org.junit.Test; 26 27 @SmallTest 28 public class ProfileTabsControllerTest { 29 30 private SelectionTracker<String> mSelectionMgr = SelectionHelpers.createTestInstance(); 31 32 private FakeProfileTabs mFakeProfileTabs = new FakeProfileTabs(); 33 private ProfileTabsController mController = new ProfileTabsController(mSelectionMgr, 34 enabled -> mFakeProfileTabs.enabled = enabled); 35 36 @Before setUp()37 public void setUp() throws Exception { 38 mSelectionMgr.addObserver(mController); 39 } 40 41 @Test testNoSelection_enable()42 public void testNoSelection_enable() { 43 mController.onSelectionRestored(); 44 assertThat(mFakeProfileTabs.isEnabled()).isTrue(); 45 } 46 47 @Test testClearSelection_enable()48 public void testClearSelection_enable() { 49 mSelectionMgr.select("foo"); 50 mSelectionMgr.clearSelection(); 51 assertThat(mFakeProfileTabs.isEnabled()).isTrue(); 52 } 53 54 @Test testDeselectAll_enable()55 public void testDeselectAll_enable() { 56 mSelectionMgr.select("foo"); 57 mSelectionMgr.select("bar"); 58 mSelectionMgr.deselect("foo"); 59 mSelectionMgr.deselect("bar"); 60 assertThat(mFakeProfileTabs.isEnabled()).isTrue(); 61 } 62 63 @Test testSelection_disable()64 public void testSelection_disable() { 65 mSelectionMgr.select("foo"); 66 assertThat(mFakeProfileTabs.isEnabled()).isFalse(); 67 } 68 69 @Test testMultipleSelection_disable()70 public void testMultipleSelection_disable() { 71 mSelectionMgr.select("foo"); 72 mSelectionMgr.select("bar"); 73 mSelectionMgr.select("apple"); 74 assertThat(mFakeProfileTabs.isEnabled()).isFalse(); 75 } 76 77 @Test testDeselectSome_Disable()78 public void testDeselectSome_Disable() { 79 mSelectionMgr.select("foo"); 80 mSelectionMgr.select("bar"); 81 mSelectionMgr.deselect("bar"); 82 assertThat(mFakeProfileTabs.isEnabled()).isFalse(); 83 } 84 85 private static class FakeProfileTabs { 86 Boolean enabled = null; 87 isEnabled()88 boolean isEnabled() { 89 if (enabled == null) { 90 throw new IllegalArgumentException("Not initialized"); 91 } 92 return enabled; 93 } 94 } 95 } 96