Merge "Add more tests for the PRV component" into pi-car-dev
diff --git a/car-ui-lib/src/com/android/car/ui/pagedrecyclerview/DefaultScrollBar.java b/car-ui-lib/src/com/android/car/ui/pagedrecyclerview/DefaultScrollBar.java
index c98d114..3dbb6aa 100644
--- a/car-ui-lib/src/com/android/car/ui/pagedrecyclerview/DefaultScrollBar.java
+++ b/car-ui-lib/src/com/android/car/ui/pagedrecyclerview/DefaultScrollBar.java
@@ -29,6 +29,7 @@
import android.widget.ImageView;
import androidx.annotation.IntRange;
+import androidx.annotation.VisibleForTesting;
import androidx.recyclerview.widget.OrientationHelper;
import androidx.recyclerview.widget.RecyclerView;
@@ -43,16 +44,19 @@
* been ported from the PLV with minor updates.
*/
class DefaultScrollBar implements ScrollBar {
+
+ @VisibleForTesting
+ int mPaddingStart;
+ @VisibleForTesting
+ int mPaddingEnd;
+
private float mButtonDisabledAlpha;
- private static final String TAG = "DefaultScrollBar";
private PagedSnapHelper mSnapHelper;
private ImageView mUpButton;
private View mScrollView;
private View mScrollThumb;
private ImageView mDownButton;
- private int mPaddingStart;
- private int mPaddingEnd;
private int mSeparatingMargin;
@@ -75,7 +79,7 @@
@ScrollBarPosition int scrollBarPosition,
boolean scrollBarAboveRecyclerView) {
- this.mRecyclerView = rv;
+ mRecyclerView = rv;
LayoutInflater inflater =
(LayoutInflater) rv.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
@@ -84,7 +88,7 @@
mScrollView = inflater.inflate(R.layout.car_ui_pagedrecyclerview_scrollbar, parent, false);
mScrollView.setLayoutParams(
- new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT));
+ new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT));
Resources res = rv.getContext().getResources();
diff --git a/car-ui-lib/tests/robotests/Android.mk b/car-ui-lib/tests/robotests/Android.mk
index 703a6eb..053e733 100644
--- a/car-ui-lib/tests/robotests/Android.mk
+++ b/car-ui-lib/tests/robotests/Android.mk
@@ -39,6 +39,7 @@
robolectric_android-all-stub \
Robolectric_all-target \
mockito-robolectric-prebuilt \
+ testng \
truth-prebuilt
@@ -61,6 +62,7 @@
robolectric_android-all-stub \
Robolectric_all-target \
mockito-robolectric-prebuilt \
+ testng \
truth-prebuilt
LOCAL_TEST_PACKAGE := CarUi
diff --git a/car-ui-lib/tests/robotests/src/com/android/car/ui/pagedrecyclerview/DefaultScrollBarTest.java b/car-ui-lib/tests/robotests/src/com/android/car/ui/pagedrecyclerview/DefaultScrollBarTest.java
new file mode 100644
index 0000000..f0ca4a6
--- /dev/null
+++ b/car-ui-lib/tests/robotests/src/com/android/car/ui/pagedrecyclerview/DefaultScrollBarTest.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright 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.car.ui.pagedrecyclerview;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+import static org.testng.Assert.assertThrows;
+
+import android.content.Context;
+import android.widget.FrameLayout;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.car.ui.CarUiRobolectricTestRunner;
+
+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;
+
+@RunWith(CarUiRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class DefaultScrollBarTest {
+
+ private Context mContext;
+ private ScrollBar mScrollBar;
+
+ @Mock
+ private RecyclerView mRecyclerView;
+ @Mock
+ private FrameLayout mParent;
+ @Mock
+ private FrameLayout.LayoutParams mLayoutParams;
+ @Mock
+ private RecyclerView.RecycledViewPool mRecycledViewPool;
+
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+ mContext = RuntimeEnvironment.application;
+
+ mScrollBar = new DefaultScrollBar();
+ }
+
+ @Test
+ public void initialize_shouldInitializeScrollListener() {
+ when(mRecyclerView.getContext()).thenReturn(mContext);
+ when(mRecyclerView.getParent()).thenReturn(mParent);
+ when(mRecyclerView.getRecycledViewPool()).thenReturn(mRecycledViewPool);
+ when(mParent.generateLayoutParams(any())).thenReturn(mLayoutParams);
+
+ mScrollBar.initialize(mRecyclerView, 10, PagedRecyclerView.ScrollBarPosition.START, true);
+
+ // called once in DefaultScrollBar and once in SnapHelper while setting up the call backs
+ // when we use attachToRecyclerView(recyclerview)
+ verify(mRecyclerView, times(2)).addOnScrollListener(
+ any(RecyclerView.OnScrollListener.class));
+ }
+
+ @Test
+ public void initialize_shouldSetMaxRecyclerViews() {
+ when(mRecyclerView.getContext()).thenReturn(mContext);
+ when(mRecyclerView.getParent()).thenReturn(mParent);
+ when(mRecyclerView.getRecycledViewPool()).thenReturn(mRecycledViewPool);
+ when(mParent.generateLayoutParams(any())).thenReturn(mLayoutParams);
+
+ mScrollBar.initialize(mRecyclerView, 10, PagedRecyclerView.ScrollBarPosition.START, true);
+
+ verify(mRecycledViewPool).setMaxRecycledViews(0, 12);
+ }
+
+ @Test
+ public void initialize_shouldNotHaveFlingListener() {
+ when(mRecyclerView.getContext()).thenReturn(mContext);
+ when(mRecyclerView.getParent()).thenReturn(mParent);
+ when(mRecyclerView.getRecycledViewPool()).thenReturn(mRecycledViewPool);
+ when(mParent.generateLayoutParams(any())).thenReturn(mLayoutParams);
+
+ mScrollBar.initialize(mRecyclerView, 10, PagedRecyclerView.ScrollBarPosition.START, true);
+
+ verify(mRecyclerView).setOnFlingListener(null);
+ }
+
+ @Test
+ public void setPadding_shouldSetStartAndEndPadding() {
+ when(mRecyclerView.getContext()).thenReturn(mContext);
+ when(mRecyclerView.getParent()).thenReturn(mParent);
+ when(mRecyclerView.getRecycledViewPool()).thenReturn(mRecycledViewPool);
+ when(mParent.generateLayoutParams(any())).thenReturn(mLayoutParams);
+
+ mScrollBar.initialize(mRecyclerView, 10, PagedRecyclerView.ScrollBarPosition.START, true);
+ mScrollBar.setPadding(10, 20);
+
+ DefaultScrollBar defaultScrollBar = (DefaultScrollBar) mScrollBar;
+
+ assertThat(defaultScrollBar.mPaddingStart).isEqualTo(10);
+ assertThat(defaultScrollBar.mPaddingEnd).isEqualTo(20);
+ }
+
+ @Test
+ public void setPadding_shouldThrowErrorWithoutInitialization() {
+ assertThrows(NullPointerException.class, () -> mScrollBar.setPadding(10, 20));
+ }
+
+ @Test
+ public void requestLayout_shouldThrowErrorWithoutInitialization() {
+ assertThrows(NullPointerException.class, () -> mScrollBar.requestLayout());
+ }
+}
diff --git a/car-ui-lib/tests/robotests/src/com/android/car/ui/pagedrecyclerview/PagedSnapHelperTest.java b/car-ui-lib/tests/robotests/src/com/android/car/ui/pagedrecyclerview/PagedSnapHelperTest.java
new file mode 100644
index 0000000..ef6c5af
--- /dev/null
+++ b/car-ui-lib/tests/robotests/src/com/android/car/ui/pagedrecyclerview/PagedSnapHelperTest.java
@@ -0,0 +1,185 @@
+/*
+ * Copyright 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.car.ui.pagedrecyclerview;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.graphics.PointF;
+import android.view.View;
+
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.android.car.ui.CarUiRobolectricTestRunner;
+
+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;
+
+@RunWith(CarUiRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class PagedSnapHelperTest {
+
+ private Context mContext;
+ private PagedSnapHelper mPagedSnapHelper;
+
+ @Mock
+ private RecyclerView mRecyclerView;
+ @Mock
+ private LinearLayoutManager mLayoutManager;
+ @Mock
+ private RecyclerView.Adapter mAdapter;
+ @Mock
+ private View mChild;
+ @Mock
+ private RecyclerView.LayoutParams mLayoutParams;
+
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+ mContext = RuntimeEnvironment.application;
+
+ mPagedSnapHelper = new PagedSnapHelper(mContext);
+
+ when(mRecyclerView.getContext()).thenReturn(mContext);
+ mPagedSnapHelper.attachToRecyclerView(mRecyclerView);
+ }
+
+ @Test
+ public void smoothScrollBy_invalidSnapPosition_shouldCallRecylerViewSmoothScrollBy() {
+ when(mRecyclerView.getLayoutManager()).thenReturn(mLayoutManager);
+
+ mPagedSnapHelper.smoothScrollBy(10);
+
+ verify(mRecyclerView).smoothScrollBy(0, 10);
+ }
+
+ @Test
+ public void smoothScrollBy_invalidSnapPositionNoItem_shouldCallRecylerViewSmoothScrollBy() {
+ when(mRecyclerView.getLayoutManager()).thenReturn(mLayoutManager);
+ when(mLayoutManager.getItemCount()).thenReturn(0);
+
+ mPagedSnapHelper.smoothScrollBy(10);
+
+ verify(mRecyclerView).smoothScrollBy(0, 10);
+ }
+
+ @Test
+ public void smoothScrollBy_invalidSnapPositionNoView_shouldCallRecylerViewSmoothScrollBy() {
+ when(mRecyclerView.getLayoutManager()).thenReturn(mLayoutManager);
+ when(mLayoutManager.getItemCount()).thenReturn(10);
+ when(mLayoutManager.canScrollVertically()).thenReturn(false);
+ when(mLayoutManager.canScrollHorizontally()).thenReturn(false);
+
+ mPagedSnapHelper.smoothScrollBy(10);
+
+ verify(mRecyclerView).smoothScrollBy(0, 10);
+ }
+
+ @Test
+ public void smoothScrollBy_invalidSnapPositionNoVectore_shouldCallRecylerViewSmoothScrollBy() {
+ when(mRecyclerView.getLayoutManager()).thenReturn(mLayoutManager);
+ when(mLayoutManager.getItemCount()).thenReturn(10);
+ when(mLayoutManager.canScrollVertically()).thenReturn(true);
+ when(mLayoutManager.getChildCount()).thenReturn(1);
+ when(mChild.getLayoutParams()).thenReturn(mLayoutParams);
+ when(mLayoutManager.getChildAt(0)).thenReturn(mChild);
+
+ mPagedSnapHelper.smoothScrollBy(10);
+
+ verify(mRecyclerView).smoothScrollBy(0, 10);
+ }
+
+ @Test
+ public void smoothScrollBy_invalidSnapPositionNoDelta_shouldCallRecylerViewSmoothScrollBy() {
+ when(mRecyclerView.getLayoutManager()).thenReturn(mLayoutManager);
+ when(mLayoutManager.getItemCount()).thenReturn(1);
+ when(mLayoutManager.canScrollVertically()).thenReturn(true);
+ when(mLayoutManager.getChildCount()).thenReturn(1);
+ // no delta
+ when(mLayoutManager.getDecoratedBottom(any())).thenReturn(0);
+ when(mChild.getLayoutParams()).thenReturn(mLayoutParams);
+ when(mLayoutManager.getChildAt(0)).thenReturn(mChild);
+
+ PointF vectorForEnd = new PointF(100, 100);
+ when(mLayoutManager.computeScrollVectorForPosition(0)).thenReturn(vectorForEnd);
+
+ mPagedSnapHelper.smoothScrollBy(10);
+
+ verify(mRecyclerView).smoothScrollBy(0, 10);
+ }
+
+ @Test
+ public void smoothScrollBy_validSnapPosition_shouldCallRecylerViewSmoothScrollBy() {
+ when(mRecyclerView.getLayoutManager()).thenReturn(mLayoutManager);
+ when(mLayoutManager.getItemCount()).thenReturn(1);
+ when(mLayoutManager.canScrollVertically()).thenReturn(true);
+ when(mLayoutManager.getChildCount()).thenReturn(1);
+ // some delta
+ when(mLayoutManager.getDecoratedBottom(any())).thenReturn(10);
+ when(mChild.getLayoutParams()).thenReturn(mLayoutParams);
+ when(mLayoutManager.getChildAt(0)).thenReturn(mChild);
+
+ PointF vectorForEnd = new PointF(100, 100);
+ when(mLayoutManager.computeScrollVectorForPosition(0)).thenReturn(vectorForEnd);
+
+ mPagedSnapHelper.smoothScrollBy(10);
+
+ verify(mLayoutManager).startSmoothScroll(any(RecyclerView.SmoothScroller.class));
+ }
+
+ @Test
+ public void calculateDistanceToFinalSnap_shouldReturnTopMarginDifference() {
+ when(mRecyclerView.getLayoutManager()).thenReturn(mLayoutManager);
+ when(mLayoutManager.getItemCount()).thenReturn(1);
+ when(mLayoutManager.canScrollVertically()).thenReturn(true);
+ when(mLayoutManager.getChildCount()).thenReturn(1);
+ // some delta
+ when(mLayoutManager.getDecoratedTop(any())).thenReturn(10);
+ when(mChild.getLayoutParams()).thenReturn(mLayoutParams);
+
+ int[] distance = mPagedSnapHelper.calculateDistanceToFinalSnap(mLayoutManager, mChild);
+
+ assertThat(distance[1]).isEqualTo(10);
+ }
+
+ @Test
+ public void calculateScrollDistance_shouldScrollHeightOfView() {
+ when(mRecyclerView.getLayoutManager()).thenReturn(mLayoutManager);
+ when(mLayoutManager.getItemCount()).thenReturn(1);
+ when(mLayoutManager.canScrollVertically()).thenReturn(true);
+ when(mLayoutManager.getChildCount()).thenReturn(1);
+ // some delta
+ when(mLayoutManager.getDecoratedTop(any())).thenReturn(10);
+ when(mChild.getLayoutParams()).thenReturn(mLayoutParams);
+ when(mLayoutManager.getChildAt(0)).thenReturn(mChild);
+ when(mLayoutManager.getHeight()).thenReturn(-50);
+
+ int[] distance = mPagedSnapHelper.calculateScrollDistance(0, 10);
+
+ assertThat(distance[1]).isEqualTo(50);
+ }
+}