1/*
2 * Copyright (C) 2017 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
17package androidx.preference.tests;
18
19import static org.mockito.ArgumentMatchers.anyBoolean;
20import static org.mockito.Mockito.never;
21import static org.mockito.Mockito.verify;
22import static org.mockito.Mockito.when;
23
24import android.support.test.InstrumentationRegistry;
25import android.support.test.filters.SdkSuppress;
26import android.support.test.filters.SmallTest;
27import android.support.test.runner.AndroidJUnit4;
28import android.view.ViewGroup;
29import android.widget.TextView;
30
31import androidx.preference.Preference;
32import androidx.preference.PreferenceViewHolder;
33
34import org.junit.Before;
35import org.junit.Test;
36import org.junit.runner.RunWith;
37import org.mockito.Mock;
38import org.mockito.MockitoAnnotations;
39
40@SdkSuppress(maxSdkVersion = 27) // This test only works pre-P due to mocking final methods.
41@SmallTest
42@RunWith(AndroidJUnit4.class)
43public class PreferenceSingleLineTitleTest {
44
45    private Preference mPreference;
46
47    @Mock
48    private ViewGroup mViewGroup;
49    @Mock
50    private TextView mTitleView;
51
52    @Before
53    public void setUp() {
54        MockitoAnnotations.initMocks(this);
55        when(mViewGroup.findViewById(android.R.id.title)).thenReturn(mTitleView);
56
57        mPreference = new Preference(InstrumentationRegistry.getTargetContext());
58        mPreference.setTitle("Test Title");
59    }
60
61    @Test
62    public void bindViewHolder_singleLineTitleNotSet_shouldNotSetSingleLine() {
63        PreferenceViewHolder holder = PreferenceViewHolder.createInstanceForTests(mViewGroup);
64        mPreference.onBindViewHolder(holder);
65
66        verify(mTitleView, never()).setSingleLine(anyBoolean());
67    }
68
69    @Test
70    public void bindViewHolder_singleLineTitleSetToTrue_shouldSetSingleLineToTrue() {
71        PreferenceViewHolder holder = PreferenceViewHolder.createInstanceForTests(mViewGroup);
72        mPreference.setSingleLineTitle(true);
73        mPreference.onBindViewHolder(holder);
74
75        verify(mTitleView).setSingleLine(true);
76    }
77
78    @Test
79    public void bindViewHolder_singleLineTitleSetToFalse_shouldSetSingleLineToFalse() {
80        PreferenceViewHolder holder = PreferenceViewHolder.createInstanceForTests(mViewGroup);
81        mPreference.setSingleLineTitle(false);
82        mPreference.onBindViewHolder(holder);
83
84        verify(mTitleView).setSingleLine(false);
85    }
86
87}
88