| /* |
| * Copyright (C) 2017 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.settings.widget; |
| |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.mockito.Matchers.any; |
| 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.support.v7.widget.RecyclerView; |
| import android.view.View; |
| |
| import com.android.settings.TestConfig; |
| import com.android.settings.testutils.SettingsRobolectricTestRunner; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| import org.robolectric.RuntimeEnvironment; |
| import org.robolectric.annotation.Config; |
| import org.robolectric.util.ReflectionHelpers; |
| |
| import java.util.List; |
| |
| @RunWith(SettingsRobolectricTestRunner.class) |
| @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION) |
| public class ActionBarShadowControllerTest { |
| |
| @Mock |
| private RecyclerView mRecyclerView; |
| @Mock |
| private Activity mActivity; |
| @Mock |
| private ActionBar mActionBar; |
| private Lifecycle mLifecycle; |
| private View mView; |
| |
| @Before |
| public void setUp() { |
| MockitoAnnotations.initMocks(this); |
| when(mActivity.getActionBar()).thenReturn(mActionBar); |
| mView = new View(RuntimeEnvironment.application); |
| mLifecycle = new Lifecycle(); |
| } |
| |
| @Test |
| public void attachToRecyclerView_shouldAddScrollWatcherAndUpdateActionBar() { |
| when(mRecyclerView.canScrollVertically(-1)).thenReturn(false); |
| |
| ActionBarShadowController.attachToRecyclerView(mActivity, mLifecycle, mRecyclerView); |
| |
| verify(mActionBar).setElevation(ActionBarShadowController.ELEVATION_LOW); |
| } |
| |
| @Test |
| public void attachToRecyclerView_customViewAsActionBar_shouldUpdateElevationOnScroll() { |
| // Setup |
| mView.setElevation(50); |
| when(mRecyclerView.canScrollVertically(-1)).thenReturn(false); |
| final ActionBarShadowController controller = |
| ActionBarShadowController.attachToRecyclerView(mView, mLifecycle, mRecyclerView); |
| assertThat(mView.getElevation()).isEqualTo(ActionBarShadowController.ELEVATION_LOW); |
| |
| // Scroll |
| when(mRecyclerView.canScrollVertically(-1)).thenReturn(true); |
| controller.mScrollChangeWatcher.onScrolled(mRecyclerView, 10 /* dx */, 10 /* dy */); |
| assertThat(mView.getElevation()).isEqualTo(ActionBarShadowController.ELEVATION_HIGH); |
| } |
| |
| @Test |
| public void attachToRecyclerView_lifecycleChange_shouldAttachDetach() { |
| ActionBarShadowController.attachToRecyclerView(mActivity, mLifecycle, mRecyclerView); |
| |
| List<LifecycleObserver> observers = ReflectionHelpers.getField(mLifecycle, "mObservers"); |
| assertThat(observers).hasSize(1); |
| verify(mRecyclerView).addOnScrollListener(any()); |
| |
| mLifecycle.onStop(); |
| verify(mRecyclerView).removeOnScrollListener(any()); |
| |
| mLifecycle.onStart(); |
| verify(mRecyclerView, times(2)).addOnScrollListener(any()); |
| } |
| |
| @Test |
| public void onScrolled_nullAnchorViewAndActivity_shouldNotCrash() { |
| final Activity activity = null; |
| final ActionBarShadowController controller = |
| ActionBarShadowController.attachToRecyclerView(activity, mLifecycle, mRecyclerView); |
| |
| // Scroll |
| controller.mScrollChangeWatcher.onScrolled(mRecyclerView, 10 /* dx */, 10 /* dy */); |
| // no crash |
| } |
| |
| } |