tests/robotests/src/com/android/settings/widget/HighlightablePreferenceGroupAdapterTest.java

   1 /*
   2  * Copyright (C) 2018 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.settings.widget;
  18
  19
  20 import static com.google.common.truth.Truth.assertThat;
  21 import static org.mockito.ArgumentMatchers.any;
  22 import static org.mockito.ArgumentMatchers.eq;
  23 import static org.mockito.Mockito.mock;
  24 import static org.mockito.Mockito.verify;
  25 import static org.mockito.Mockito.verifyZeroInteractions;
  26 import static org.mockito.Mockito.when;
  27
  28 import android.content.Context;
  29 import android.graphics.drawable.ColorDrawable;
  30 import android.support.v7.preference.PreferenceCategory;
  31 import android.support.v7.preference.PreferenceViewHolder;
  32 import android.support.v7.widget.RecyclerView;
  33 import android.view.View;
  34
  35 import com.android.settings.R;
  36 import com.android.settings.TestConfig;
  37 import com.android.settings.testutils.SettingsRobolectricTestRunner;
  38
  39 import org.junit.Before;
  40 import org.junit.Test;
  41 import org.junit.runner.RunWith;
  42 import org.mockito.Mock;
  43 import org.mockito.MockitoAnnotations;
  44 import org.robolectric.RuntimeEnvironment;
  45 import org.robolectric.annotation.Config;
  46 import org.robolectric.util.ReflectionHelpers;
  47
  48 @RunWith(SettingsRobolectricTestRunner.class)
  49 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
  50 public class HighlightablePreferenceGroupAdapterTest {
  51
  52     private static final String TEST_KEY = "key";
  53
  54     @Mock
  55     private View mRoot;
  56     @Mock
  57     private PreferenceCategory mPreferenceCatetory;
  58     private Context mContext;
  59     private HighlightablePreferenceGroupAdapter mAdapter;
  60     private PreferenceViewHolder mViewHolder;
  61
  62     @Before
  63     public void setUp() {
  64         MockitoAnnotations.initMocks(this);
  65         mContext = RuntimeEnvironment.application;
  66         when(mPreferenceCatetory.getContext()).thenReturn(mContext);
  67         mAdapter = new HighlightablePreferenceGroupAdapter(mPreferenceCatetory, TEST_KEY,
  68                 false /* highlighted*/);
  69         mViewHolder = PreferenceViewHolder.createInstanceForTests(
  70                 View.inflate(mContext, R.layout.app_preference_item, null));
  71     }
  72
  73     @Test
  74     public void requestHighlight_hasKey_notHighlightedBefore_shouldRequest() {
  75         mAdapter.requestHighlight(mRoot, mock(RecyclerView.class));
  76
  77         verify(mRoot).postDelayed(any(),
  78                 eq(HighlightablePreferenceGroupAdapter.DELAY_HIGHLIGHT_DURATION_MILLIS));
  79     }
  80
  81     @Test
  82     public void requestHighlight_noKey_highlightedBefore_noRecyclerView_shouldNotRequest() {
  83         ReflectionHelpers.setField(mAdapter, "mHighlightKey", null);
  84         ReflectionHelpers.setField(mAdapter, "mHighlightRequested", false);
  85         mAdapter.requestHighlight(mRoot, mock(RecyclerView.class));
  86
  87         ReflectionHelpers.setField(mAdapter, "mHighlightKey", TEST_KEY);
  88         ReflectionHelpers.setField(mAdapter, "mHighlightRequested", true);
  89         mAdapter.requestHighlight(mRoot, mock(RecyclerView.class));
  90
  91         ReflectionHelpers.setField(mAdapter, "mHighlightKey", TEST_KEY);
  92         ReflectionHelpers.setField(mAdapter, "mHighlightRequested", false);
  93         mAdapter.requestHighlight(mRoot, null /* recyclerView */);
  94
  95         verifyZeroInteractions(mRoot);
  96     }
  97
  98     @Test
  99     public void updateBackground_notHighlightedRow_shouldNotSetHighlightedTag() {
 100         ReflectionHelpers.setField(mAdapter, "mHighlightPosition", 10);
 101
 102         mAdapter.updateBackground(mViewHolder, 0);
 103
 104         assertThat(mViewHolder.itemView.getTag(R.id.preference_highlighted)).isNull();
 105     }
 106
 107     @Test
 108     public void updateBackground_highlight_shouldChangeBackgroundAndSetHighlightedTag() {
 109         ReflectionHelpers.setField(mAdapter, "mHighlightPosition", 10);
 110
 111         mAdapter.updateBackground(mViewHolder, 10);
 112         assertThat(mViewHolder.itemView.getBackground()).isInstanceOf(ColorDrawable.class);
 113         assertThat(mViewHolder.itemView.getTag(R.id.preference_highlighted)).isEqualTo(true);
 114     }
 115
 116     @Test
 117     public void updateBackground_reuseHightlightedRowForNormalRow_shouldResetBackgroundAndTag() {
 118         ReflectionHelpers.setField(mAdapter, "mHighlightPosition", 10);
 119         mViewHolder.itemView.setTag(R.id.preference_highlighted, true);
 120
 121         mAdapter.updateBackground(mViewHolder, 0);
 122
 123         assertThat(mViewHolder.itemView.getBackground()).isNotInstanceOf(ColorDrawable.class);
 124         assertThat(mViewHolder.itemView.getTag(R.id.preference_highlighted)).isEqualTo(false);
 125     }
 126
 127 }