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.setupwizardlib.template;
18
19import static org.junit.Assert.assertEquals;
20import static org.junit.Assert.assertNull;
21import static org.junit.Assert.assertSame;
22import static org.mockito.AdditionalAnswers.delegatesTo;
23import static org.mockito.Matchers.eq;
24import static org.mockito.Mockito.doReturn;
25import static org.mockito.Mockito.mock;
26import static org.mockito.Mockito.spy;
27import static org.mockito.Mockito.verifyNoMoreInteractions;
28
29import android.content.Context;
30import android.graphics.Rect;
31import android.graphics.drawable.Drawable;
32import android.graphics.drawable.InsetDrawable;
33import android.os.Build.VERSION;
34import android.os.Build.VERSION_CODES;
35import android.support.test.InstrumentationRegistry;
36import android.support.test.filters.SmallTest;
37import android.support.test.runner.AndroidJUnit4;
38import android.view.View;
39import android.widget.ListAdapter;
40import android.widget.ListView;
41
42import com.android.setupwizardlib.TemplateLayout;
43import com.android.setupwizardlib.test.R;
44
45import org.junit.Before;
46import org.junit.Test;
47import org.junit.runner.RunWith;
48import org.mockito.Mock;
49import org.mockito.MockitoAnnotations;
50
51@RunWith(AndroidJUnit4.class)
52@SmallTest
53public class ListMixinTest {
54
55    private Context mContext;
56    private TemplateLayout mTemplateLayout;
57
58    private ListView mListView;
59
60    @Mock
61    private ListAdapter mAdapter;
62
63    @Before
64    public void setUp() {
65        MockitoAnnotations.initMocks(this);
66
67        mContext = InstrumentationRegistry.getTargetContext();
68        mTemplateLayout = spy(new TemplateLayout(mContext, R.layout.test_template,
69                R.id.suw_layout_content));
70
71        mListView = mock(ListView.class, delegatesTo(new ListView(mContext)));
72        doReturn(1).when(mAdapter).getViewTypeCount();
73
74        doReturn(mListView).when(mTemplateLayout)
75                .findManagedViewById(eq(android.R.id.list));
76        doReturn(true).when(mTemplateLayout).isLayoutDirectionResolved();
77    }
78
79    @Test
80    public void testGetListView() {
81        ListMixin mixin = new ListMixin(mTemplateLayout, null, 0);
82        assertSame(mListView, mixin.getListView());
83    }
84
85    @Test
86    public void testGetAdapter() {
87        mListView.setAdapter(mAdapter);
88
89        ListMixin mixin = new ListMixin(mTemplateLayout, null, 0);
90        assertSame(mAdapter, mixin.getAdapter());
91    }
92
93    @Test
94    public void testSetAdapter() {
95        assertNull(mListView.getAdapter());
96
97        ListMixin mixin = new ListMixin(mTemplateLayout, null, 0);
98        mixin.setAdapter(mAdapter);
99
100        assertSame(mAdapter, mListView.getAdapter());
101    }
102
103    @Test
104    public void testDividerInsetLegacy() {
105        ListMixin mixin = new ListMixin(mTemplateLayout, null, 0);
106        mixin.setDividerInset(123);
107
108        assertEquals(123, mixin.getDividerInset());
109
110        final Drawable divider = mListView.getDivider();
111        InsetDrawable insetDrawable = (InsetDrawable) divider;
112        Rect rect = new Rect();
113        insetDrawable.getPadding(rect);
114
115        assertEquals(new Rect(123, 0, 0, 0), rect);
116    }
117
118    @Test
119    public void testDividerInsets() {
120        ListMixin mixin = new ListMixin(mTemplateLayout, null, 0);
121        mixin.setDividerInsets(123, 456);
122
123        assertEquals(123, mixin.getDividerInsetStart());
124        assertEquals(456, mixin.getDividerInsetEnd());
125
126        final Drawable divider = mListView.getDivider();
127        InsetDrawable insetDrawable = (InsetDrawable) divider;
128        Rect rect = new Rect();
129        insetDrawable.getPadding(rect);
130
131        assertEquals(new Rect(123, 0, 456, 0), rect);
132    }
133
134    @Test
135    public void testDividerInsetLegacyRtl() {
136        if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
137            doReturn(View.LAYOUT_DIRECTION_RTL).when(mTemplateLayout).getLayoutDirection();
138
139            ListMixin mixin = new ListMixin(mTemplateLayout, null, 0);
140            mixin.setDividerInset(123);
141
142            assertEquals(123, mixin.getDividerInset());
143
144            final Drawable divider = mListView.getDivider();
145            InsetDrawable insetDrawable = (InsetDrawable) divider;
146            Rect rect = new Rect();
147            insetDrawable.getPadding(rect);
148
149            assertEquals(new Rect(0, 0, 123, 0), rect);
150        }
151        // else the test passes
152    }
153
154    @Test
155    public void testDividerInsetsRtl() {
156        if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN_MR1) {
157            doReturn(View.LAYOUT_DIRECTION_RTL).when(mTemplateLayout).getLayoutDirection();
158
159            ListMixin mixin = new ListMixin(mTemplateLayout, null, 0);
160            mixin.setDividerInsets(123, 456);
161
162            assertEquals(123, mixin.getDividerInsetStart());
163            assertEquals(456, mixin.getDividerInsetEnd());
164
165            final Drawable divider = mListView.getDivider();
166            InsetDrawable insetDrawable = (InsetDrawable) divider;
167            Rect rect = new Rect();
168            insetDrawable.getPadding(rect);
169
170            assertEquals(new Rect(456, 0, 123, 0), rect);
171        }
172        // else the test passes
173    }
174
175    @Test
176    public void testNoList() {
177        doReturn(null).when(mTemplateLayout).findManagedViewById(eq(android.R.id.list));
178
179        ListMixin mixin = new ListMixin(mTemplateLayout, null, 0);
180
181        mixin.setAdapter(mAdapter);
182        mixin.setDividerInset(123);
183
184        assertNull(mixin.getListView());
185        assertNull(mixin.getAdapter());
186        mixin.getDividerInset(); // Test that it doesn't crash. The return value is not significant.
187        assertNull(mixin.getDivider());
188
189        verifyNoMoreInteractions(mListView);
190    }
191}
192