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/*
* 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.setupwizardlib.template;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.robolectric.RuntimeEnvironment.application;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView.OnScrollListener;
import android.widget.BaseAdapter;
import android.widget.ListView;
import com.android.setupwizardlib.robolectric.SuwLibRobolectricTestRunner;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.annotation.Config;
@Config(sdk = { Config.OLDEST_SDK, Config.NEWEST_SDK })
@RunWith(SuwLibRobolectricTestRunner.class)
public class ListViewScrollHandlingDelegateTest {
@Mock
private RequireScrollMixin mRequireScrollMixin;
private ListView mListView;
private ListViewScrollHandlingDelegate mDelegate;
private ArgumentCaptor<OnScrollListener> mListenerCaptor;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mListView = spy(new TestListView(application));
mDelegate = new ListViewScrollHandlingDelegate(mRequireScrollMixin, mListView);
mListenerCaptor = ArgumentCaptor.forClass(OnScrollListener.class);
doNothing().when(mListView).setOnScrollListener(mListenerCaptor.capture());
mListView.layout(0, 0, 50, 50);
}
@Test
public void testRequireScroll() throws Throwable {
mDelegate.startListening();
verify(mRequireScrollMixin).notifyScrollabilityChange(true);
}
@Test
public void testScrolledToBottom() throws Throwable {
mDelegate.startListening();
verify(mRequireScrollMixin).notifyScrollabilityChange(true);
doReturn(20).when(mListView).getLastVisiblePosition();
mListenerCaptor.getValue().onScroll(mListView, 2, 20, 20);
verify(mRequireScrollMixin).notifyScrollabilityChange(false);
}
@Test
public void testPageScrollDown() throws Throwable {
mDelegate.pageScrollDown();
verify(mListView).smoothScrollBy(eq(50), anyInt());
}
private static class TestListView extends ListView {
TestListView(Context context) {
super(context);
setAdapter(new BaseAdapter() {
@Override
public int getCount() {
return 20;
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
return new View(parent.getContext());
}
});
}
}
}
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