89 lines
3.1 KiB
Java
89 lines
3.1 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.setupwizardlib.template;
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import static org.mockito.Matchers.anyInt;
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import static org.mockito.Matchers.eq;
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import static org.mockito.Mockito.doNothing;
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import static org.mockito.Mockito.doReturn;
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import static org.mockito.Mockito.spy;
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import static org.mockito.Mockito.verify;
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import static org.robolectric.RuntimeEnvironment.application;
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import androidx.recyclerview.widget.RecyclerView;
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import androidx.recyclerview.widget.RecyclerView.OnScrollListener;
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import com.android.setupwizardlib.robolectric.SuwLibRobolectricTestRunner;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.mockito.ArgumentCaptor;
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import org.mockito.Mock;
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import org.mockito.MockitoAnnotations;
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import org.robolectric.annotation.Config;
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@Config(sdk = { Config.OLDEST_SDK, Config.NEWEST_SDK })
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@RunWith(SuwLibRobolectricTestRunner.class)
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public class RecyclerViewScrollHandlingDelegateTest {
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@Mock
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private RequireScrollMixin mRequireScrollMixin;
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private RecyclerView mRecyclerView;
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private RecyclerViewScrollHandlingDelegate mDelegate;
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private ArgumentCaptor<OnScrollListener> mListenerCaptor;
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@Before
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public void setUp() throws Exception {
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MockitoAnnotations.initMocks(this);
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mRecyclerView = spy(new RecyclerView(application));
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doReturn(20).when(mRecyclerView).computeVerticalScrollRange();
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doReturn(0).when(mRecyclerView).computeVerticalScrollExtent();
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doReturn(0).when(mRecyclerView).computeVerticalScrollOffset();
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mListenerCaptor = ArgumentCaptor.forClass(OnScrollListener.class);
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doNothing().when(mRecyclerView).addOnScrollListener(mListenerCaptor.capture());
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mDelegate = new RecyclerViewScrollHandlingDelegate(mRequireScrollMixin, mRecyclerView);
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mRecyclerView.layout(0, 0, 50, 50);
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}
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@Test
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public void testRequireScroll() {
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mDelegate.startListening();
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verify(mRequireScrollMixin).notifyScrollabilityChange(true);
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}
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@Test
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public void testScrolledToBottom() {
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mDelegate.startListening();
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verify(mRequireScrollMixin).notifyScrollabilityChange(true);
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doReturn(20).when(mRecyclerView).computeVerticalScrollOffset();
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mListenerCaptor.getValue().onScrolled(mRecyclerView, 0, 20);
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verify(mRequireScrollMixin).notifyScrollabilityChange(false);
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}
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@Test
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public void testClickScrollButton() {
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mDelegate.pageScrollDown();
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verify(mRecyclerView).smoothScrollBy(anyInt(), eq(50));
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}
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}
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