1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.settings; 18 19 import static com.google.common.truth.Truth.assertThat; 20 import static org.mockito.Mockito.when; 21 22 import android.widget.LinearLayout; 23 import android.widget.ScrollView; 24 import org.junit.Before; 25 import org.junit.Test; 26 import org.junit.runner.RunWith; 27 import org.mockito.Mock; 28 import org.mockito.MockitoAnnotations; 29 import org.robolectric.annotation.Config; 30 31 @RunWith(SettingsRobolectricTestRunner.class) 32 @Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION) 33 public class MasterClearTest { 34 private MasterClear mMasterClear; 35 @Mock 36 private ScrollView mScrollView; 37 @Mock 38 private LinearLayout mLinearLayout; 39 40 @Before setUp()41 public void setUp() { 42 MockitoAnnotations.initMocks(this); 43 mMasterClear = new MasterClear(); 44 45 // Make scrollView only have one child 46 when(mScrollView.getChildAt(0)).thenReturn(mLinearLayout); 47 when(mScrollView.getChildCount()).thenReturn(1); 48 } 49 50 @Test testHasReachedBottom_NotScrollDown_returnFalse()51 public void testHasReachedBottom_NotScrollDown_returnFalse() { 52 initScrollView(100, 0, 200); 53 54 assertThat(mMasterClear.hasReachedBottom(mScrollView)).isFalse(); 55 } 56 57 @Test testHasReachedBottom_CanNotScroll_returnTrue()58 public void testHasReachedBottom_CanNotScroll_returnTrue() { 59 initScrollView(100, 0, 80); 60 61 assertThat(mMasterClear.hasReachedBottom(mScrollView)).isTrue(); 62 } 63 64 @Test testHasReachedBottom_ScrollToBottom_returnTrue()65 public void testHasReachedBottom_ScrollToBottom_returnTrue() { 66 initScrollView(100, 100, 200); 67 68 assertThat(mMasterClear.hasReachedBottom(mScrollView)).isTrue(); 69 } 70 initScrollView(int height, int scrollY, int childBottom)71 private void initScrollView(int height, int scrollY, int childBottom) { 72 when(mScrollView.getHeight()).thenReturn(height); 73 when(mScrollView.getScrollY()).thenReturn(scrollY); 74 when(mLinearLayout.getBottom()).thenReturn(childBottom); 75 } 76 } 77