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/*
* 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.test;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.verify;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.view.View;
import android.view.ViewGroup;
import androidx.recyclerview.widget.RecyclerView;
import com.android.setupwizardlib.view.HeaderRecyclerView.HeaderAdapter;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
/**
* Test for {@link com.android.setupwizardlib.view.HeaderRecyclerView}
*/
@RunWith(AndroidJUnit4.class)
@SmallTest
public class HeaderRecyclerViewTest {
private TestAdapter mWrappedAdapter;
private HeaderAdapter mHeaderAdapter;
@Mock
private RecyclerView.AdapterDataObserver mObserver;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
mWrappedAdapter = new TestAdapter();
mHeaderAdapter = new HeaderAdapter(mWrappedAdapter);
mHeaderAdapter.registerAdapterDataObserver(mObserver);
}
/**
* Test that notifyDataSetChanged gets propagated by HeaderRecyclerView's adapter.
*/
@Test
public void testNotifyChanged() {
mWrappedAdapter.notifyDataSetChanged();
verify(mObserver).onChanged();
}
/**
* Test that notifyItemChanged gets propagated by HeaderRecyclerView's adapter.
*/
@Test
public void testNotifyItemChangedNoHeader() {
mWrappedAdapter.notifyItemChanged(12);
verify(mObserver).onItemRangeChanged(eq(12), eq(1), eq(null));
}
/**
* Test that notifyItemChanged gets propagated by HeaderRecyclerView's adapter and adds 1 to the
* position for the extra header items.
*/
@Test
public void testNotifyItemChangedWithHeader() {
mHeaderAdapter.setHeader(new View(InstrumentationRegistry.getTargetContext()));
mWrappedAdapter.notifyItemChanged(12);
verify(mObserver).onItemRangeChanged(eq(13), eq(1), eq(null));
}
/**
* Test that notifyItemInserted gets propagated by HeaderRecyclerView's adapter.
*/
@Test
public void testNotifyItemInsertedNoHeader() {
mWrappedAdapter.notifyItemInserted(12);
verify(mObserver).onItemRangeInserted(eq(12), eq(1));
}
/**
* Test that notifyItemInserted gets propagated by HeaderRecyclerView's adapter and adds 1 to
* the position for the extra header item.
*/
@Test
public void testNotifyItemInsertedWithHeader() {
mHeaderAdapter.setHeader(new View(InstrumentationRegistry.getTargetContext()));
mWrappedAdapter.notifyItemInserted(12);
verify(mObserver).onItemRangeInserted(eq(13), eq(1));
}
/**
* Test that notifyItemRemoved gets propagated by HeaderRecyclerView's adapter.
*/
@Test
public void testNotifyItemRemovedNoHeader() {
mWrappedAdapter.notifyItemRemoved(12);
verify(mObserver).onItemRangeRemoved(eq(12), eq(1));
}
/**
* Test that notifyItemRemoved gets propagated by HeaderRecyclerView's adapter and adds 1 to
* the position for the extra header item.
*/
@Test
public void testNotifyItemRemovedWithHeader() {
mHeaderAdapter.setHeader(new View(InstrumentationRegistry.getTargetContext()));
mWrappedAdapter.notifyItemRemoved(12);
verify(mObserver).onItemRangeRemoved(eq(13), eq(1));
}
/**
* Test that notifyItemMoved gets propagated by HeaderRecyclerView's adapter.
*/
@Test
public void testNotifyItemMovedNoHeader() {
mWrappedAdapter.notifyItemMoved(12, 18);
verify(mObserver).onItemRangeMoved(eq(12), eq(18), eq(1));
}
/**
* Test that notifyItemMoved gets propagated by HeaderRecyclerView's adapter and adds 1 to
* the position for the extra header item.
*/
@Test
public void testNotifyItemMovedWithHeader() {
mHeaderAdapter.setHeader(new View(InstrumentationRegistry.getTargetContext()));
mWrappedAdapter.notifyItemMoved(12, 18);
verify(mObserver).onItemRangeMoved(eq(13), eq(19), eq(1));
}
/**
* Test adapter to be wrapped inside {@link HeaderAdapter} to to send item change notifications.
*/
public static class TestAdapter extends RecyclerView.Adapter {
@Override
public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
return null;
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int i) {
}
@Override
public int getItemCount() {
return 0;
}
}
}
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