| /* |
| * Copyright (C) 2015 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.setupwizardlib.items; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Matchers.anyObject; |
| import static org.mockito.Matchers.eq; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.verify; |
| |
| import android.graphics.Rect; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.GradientDrawable; |
| import android.graphics.drawable.ShapeDrawable; |
| import android.graphics.drawable.shapes.RectShape; |
| import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver; |
| import android.widget.FrameLayout; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import com.android.setupwizardlib.items.RecyclerItemAdapter.PatchedLayerDrawable; |
| import com.android.setupwizardlib.test.R; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class RecyclerItemAdapterTest { |
| |
| private Item[] mItems = new Item[5]; |
| private ItemGroup mItemGroup = new ItemGroup(); |
| |
| @Before |
| public void setUp() throws Exception { |
| for (int i = 0; i < 5; i++) { |
| Item item = new Item(); |
| item.setTitle("TestTitle" + i); |
| item.setId(i); |
| // Layout resource: 0 -> 1, 1 -> 11, 2 -> 21, 3 -> 1, 4 -> 11. |
| // (Resource IDs cannot be 0) |
| item.setLayoutResource((i % 3) * 10 + 1); |
| mItems[i] = item; |
| mItemGroup.addChild(item); |
| } |
| } |
| |
| @Test |
| public void testAdapter() { |
| RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup); |
| assertEquals("Adapter should have 5 items", 5, adapter.getItemCount()); |
| assertEquals("Adapter should return the first item", mItems[0], adapter.getItem(0)); |
| assertEquals("ID should be same as position", 2, adapter.getItemId(2)); |
| |
| // ViewType is same as layout resource for RecyclerItemAdapter |
| assertEquals("Second item should have view type 21", 21, adapter.getItemViewType(2)); |
| } |
| |
| @Test |
| public void testGetRootItemHierarchy() { |
| RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup); |
| ItemHierarchy root = adapter.getRootItemHierarchy(); |
| assertSame("Root item hierarchy should be mItemGroup", mItemGroup, root); |
| } |
| |
| @Test |
| public void testPatchedLayerDrawableNoPadding() { |
| ShapeDrawable child = new ShapeDrawable(new RectShape()); |
| child.setPadding(0, 0, 0, 0); |
| PatchedLayerDrawable drawable = new PatchedLayerDrawable(new Drawable[] {child}); |
| |
| Rect padding = new Rect(); |
| assertFalse("Patched layer drawable should not have padding", drawable.getPadding(padding)); |
| assertEquals(new Rect(0, 0, 0, 0), padding); |
| } |
| |
| @Test |
| public void testPatchedLayerDrawableWithPadding() { |
| ShapeDrawable child = new ShapeDrawable(new RectShape()); |
| child.setPadding(10, 10, 10, 10); |
| PatchedLayerDrawable drawable = new PatchedLayerDrawable(new Drawable[] {child}); |
| |
| Rect padding = new Rect(); |
| assertTrue("Patched layer drawable should have padding", drawable.getPadding(padding)); |
| assertEquals(new Rect(10, 10, 10, 10), padding); |
| } |
| |
| @Test |
| public void testAdapterNotifications() { |
| RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup); |
| final AdapterDataObserver observer = mock(AdapterDataObserver.class); |
| adapter.registerAdapterDataObserver(observer); |
| |
| mItems[0].setTitle("Child 1"); |
| verify(observer).onItemRangeChanged(eq(0), eq(1), anyObject()); |
| |
| mItemGroup.removeChild(mItems[1]); |
| verify(observer).onItemRangeRemoved(eq(1), eq(1)); |
| |
| mItemGroup.addChild(mItems[1]); |
| verify(observer).onItemRangeInserted(eq(4), eq(1)); |
| } |
| |
| @Test |
| public void testCreateViewHolder() { |
| RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup); |
| FrameLayout parent = new FrameLayout(InstrumentationRegistry.getContext()); |
| |
| final ItemViewHolder viewHolder = adapter.onCreateViewHolder(parent, R.layout.test_list_item); |
| assertNotNull("Background should be set", viewHolder.itemView.getBackground()); |
| assertEquals("foobar", viewHolder.itemView.getTag()); |
| } |
| |
| @Test |
| public void testCreateViewHolderNoBackground() { |
| RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup); |
| FrameLayout parent = new FrameLayout(InstrumentationRegistry.getContext()); |
| |
| final ItemViewHolder viewHolder = |
| adapter.onCreateViewHolder(parent, R.layout.test_list_item_no_background); |
| assertNull("Background should be null", viewHolder.itemView.getBackground()); |
| } |
| |
| @Test |
| public void testCreateViewHolderWithExistingBackground() { |
| RecyclerItemAdapter adapter = new RecyclerItemAdapter(mItemGroup); |
| FrameLayout parent = new FrameLayout(InstrumentationRegistry.getContext()); |
| |
| final ItemViewHolder viewHolder = |
| adapter.onCreateViewHolder(parent, R.layout.test_existing_background); |
| Drawable background = viewHolder.itemView.getBackground(); |
| assertTrue(background instanceof PatchedLayerDrawable); |
| |
| PatchedLayerDrawable layerDrawable = (PatchedLayerDrawable) background; |
| assertTrue(layerDrawable.getDrawable(0) instanceof GradientDrawable); |
| } |
| } |