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 */
16package com.android.settingslib.core;
17
18import static com.google.common.truth.Truth.assertThat;
19import static org.mockito.Mockito.when;
20
21import android.content.Context;
22import android.support.v7.preference.Preference;
23import android.support.v7.preference.PreferenceScreen;
24
25import org.junit.Before;
26import org.junit.Test;
27import org.junit.runner.RunWith;
28import org.mockito.Mock;
29import org.mockito.MockitoAnnotations;
30import org.robolectric.RobolectricTestRunner;
31import org.robolectric.RuntimeEnvironment;
32
33@RunWith(RobolectricTestRunner.class)
34public class AbstractPreferenceControllerTest {
35
36    @Mock
37    private PreferenceScreen mScreen;
38
39    private Context mContext;
40    private Preference mPreference;
41    private TestPrefController mTestPrefController;
42
43    @Before
44    public void setUp() {
45        MockitoAnnotations.initMocks(this);
46        mContext = RuntimeEnvironment.application;
47        mPreference = new Preference(mContext);
48        mPreference.setKey(TestPrefController.KEY_PREF);
49        when(mScreen.findPreference(TestPrefController.KEY_PREF)).thenReturn(mPreference);
50        mTestPrefController = new TestPrefController(mContext);
51    }
52
53    @Test
54    public void displayPref_ifAvailable() {
55        mTestPrefController.isAvailable = true;
56
57        mTestPrefController.displayPreference(mScreen);
58
59        assertThat(mPreference.isVisible()).isTrue();
60    }
61
62    @Test
63    public void setVisible_prefIsVisible_shouldSetToVisible() {
64        mTestPrefController.setVisible(mScreen, TestPrefController.KEY_PREF, true /* visible */);
65
66        assertThat(mPreference.isVisible()).isTrue();
67    }
68
69    @Test
70    public void setVisible_prefNotVisible_shouldSetToInvisible() {
71        mTestPrefController.setVisible(mScreen, TestPrefController.KEY_PREF, false /* visible */);
72
73        assertThat(mPreference.isVisible()).isFalse();
74    }
75
76    @Test
77    public void doNotDisplayPref_ifNotAvailable() {
78        mTestPrefController.isAvailable = false;
79
80        mTestPrefController.displayPreference(mScreen);
81
82        assertThat(mPreference.isVisible()).isFalse();
83    }
84
85    @Test
86    public void updateState_hasSummary_shouldSetSummary() {
87        mTestPrefController.updateState(mPreference);
88
89        assertThat(mPreference.getSummary()).isEqualTo(TestPrefController.TEST_SUMMARY);
90    }
91
92    private static class TestPrefController extends AbstractPreferenceController {
93        private static final String KEY_PREF = "test_pref";
94        private static final CharSequence TEST_SUMMARY = "Test";
95
96        public boolean isAvailable;
97
98        public TestPrefController(Context context) {
99            super(context);
100        }
101
102        @Override
103        public boolean handlePreferenceTreeClick(Preference preference) {
104            return false;
105        }
106
107        @Override
108        public boolean isAvailable() {
109            return isAvailable;
110        }
111
112        @Override
113        public String getPreferenceKey() {
114            return KEY_PREF;
115        }
116
117        @Override
118        public CharSequence getSummary() {
119            return TEST_SUMMARY;
120        }
121    }
122
123}
124