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 com.android.settings.accessibility;
18
19import static org.mockito.Mockito.mock;
20import static org.mockito.Mockito.spy;
21import static org.mockito.Mockito.verify;
22
23import android.os.Bundle;
24import android.support.annotation.XmlRes;
25import android.view.LayoutInflater;
26import android.view.View;
27import android.view.ViewGroup;
28
29import com.android.settings.R;
30import com.android.settings.testutils.SettingsRobolectricTestRunner;
31import com.android.settings.testutils.shadow.SettingsShadowResources;
32import com.android.settings.widget.SwitchBar;
33
34import org.junit.Test;
35import org.junit.runner.RunWith;
36import org.robolectric.annotation.Config;
37import org.robolectric.util.FragmentTestUtil;
38
39@RunWith(SettingsRobolectricTestRunner.class)
40@Config(shadows = SettingsShadowResources.SettingsShadowTheme.class)
41public class ToggleFeaturePreferenceFragmentTest {
42
43    private ToggleFeaturePreferenceFragmentTestable mFragment;
44
45    @Test
46    public void createFragment_shouldOnlyAddPreferencesOnce() {
47        mFragment = spy(new ToggleFeaturePreferenceFragmentTestable());
48        FragmentTestUtil.startFragment(mFragment);
49
50        // execute exactly once
51        verify(mFragment).addPreferencesFromResource(R.xml.placeholder_prefs);
52    }
53
54    public static class ToggleFeaturePreferenceFragmentTestable
55            extends ToggleFeaturePreferenceFragment {
56
57        @Override
58        protected void onPreferenceToggled(String preferenceKey, boolean enabled) {}
59
60        @Override
61        public int getMetricsCategory() {
62            return 0;
63        }
64
65        @Override
66        public int getPreferenceScreenResId() {
67            return R.xml.placeholder_prefs;
68        }
69
70        @Override
71        public View onCreateView(LayoutInflater inflater, ViewGroup container,
72                Bundle savedInstanceState) {
73            return mock(View.class);
74        }
75
76        @Override
77        public void addPreferencesFromResource(@XmlRes int preferencesResId) {
78            // do nothing
79        }
80
81        @Override
82        public void onViewCreated(View view, Bundle savedInstanceState) {
83            // do nothing
84        }
85
86        @Override
87        public void onActivityCreated(Bundle savedInstanceState) {
88            mSwitchBar = mock(SwitchBar.class);
89            super.onActivityCreated(savedInstanceState);
90        }
91    }
92}
93