| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settingslib.widget; |
| |
| import static androidx.lifecycle.Lifecycle.Event.ON_START; |
| import static androidx.lifecycle.Lifecycle.Event.ON_STOP; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.isNull; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import android.app.ActionBar; |
| import android.app.Activity; |
| import android.view.View; |
| |
| import androidx.lifecycle.LifecycleOwner; |
| import androidx.recyclerview.widget.RecyclerView; |
| |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| import org.robolectric.RobolectricTestRunner; |
| import org.robolectric.RuntimeEnvironment; |
| |
| @RunWith(RobolectricTestRunner.class) |
| public class ActionBarShadowControllerTest { |
| |
| @Mock |
| private RecyclerView mRecyclerView; |
| @Mock |
| private View mScrollView; |
| @Mock |
| private Activity mActivity; |
| @Mock |
| private ActionBar mActionBar; |
| private Lifecycle mLifecycle; |
| private LifecycleOwner mLifecycleOwner; |
| private View mView; |
| |
| @Before |
| public void setUp() { |
| MockitoAnnotations.initMocks(this); |
| when(mActivity.getActionBar()).thenReturn(mActionBar); |
| mView = new View(RuntimeEnvironment.application); |
| mLifecycleOwner = () -> mLifecycle; |
| mLifecycle = new Lifecycle(mLifecycleOwner); |
| } |
| |
| @Test |
| public void attachToView_shouldAddScrollWatcherAndUpdateActionBar() { |
| when(mRecyclerView.canScrollVertically(-1)).thenReturn(false); |
| |
| ActionBarShadowController.attachToView(mActivity, mLifecycle, mRecyclerView); |
| |
| verify(mActionBar).setElevation(ActionBarShadowController.ELEVATION_LOW); |
| } |
| |
| @Test |
| public void attachToView_scrollView_shouldAddScrollWatcherAndUpdateActionBar() { |
| when(mScrollView.canScrollVertically(-1)).thenReturn(false); |
| |
| ActionBarShadowController.attachToView(mActivity, mLifecycle, mScrollView); |
| |
| verify(mActionBar).setElevation(ActionBarShadowController.ELEVATION_LOW); |
| } |
| |
| @Test |
| public void attachToView_customViewAsActionBar_shouldUpdateElevationOnScroll() { |
| // Setup |
| mView.setElevation(50); |
| when(mRecyclerView.canScrollVertically(-1)).thenReturn(false); |
| final ActionBarShadowController controller = |
| ActionBarShadowController.attachToView(mView, mLifecycle, mRecyclerView); |
| assertThat(mView.getElevation()).isEqualTo(ActionBarShadowController.ELEVATION_LOW); |
| |
| // Scroll |
| when(mRecyclerView.canScrollVertically(-1)).thenReturn(true); |
| controller.mScrollChangeWatcher.onScrollChange(mRecyclerView, 10, 10, 0, 0); |
| assertThat(mView.getElevation()).isEqualTo(ActionBarShadowController.ELEVATION_HIGH); |
| } |
| |
| @Test |
| public void attachToView_lifecycleChange_shouldAttachDetach() { |
| ActionBarShadowController.attachToView(mActivity, mLifecycle, mRecyclerView); |
| |
| verify(mRecyclerView).setOnScrollChangeListener(any()); |
| |
| mLifecycle.handleLifecycleEvent(ON_START); |
| mLifecycle.handleLifecycleEvent(ON_STOP); |
| verify(mRecyclerView).setOnScrollChangeListener(isNull()); |
| |
| mLifecycle.handleLifecycleEvent(ON_START); |
| verify(mRecyclerView, times(3)).setOnScrollChangeListener(any()); |
| } |
| |
| @Test |
| public void onScrolled_nullAnchorViewAndActivity_shouldNotCrash() { |
| final Activity activity = null; |
| final ActionBarShadowController controller = |
| ActionBarShadowController.attachToView(activity, mLifecycle, mRecyclerView); |
| |
| // Scroll |
| controller.mScrollChangeWatcher.onScrollChange(mRecyclerView, 10, 10, 0, 0); |
| // no crash |
| } |
| } |