ItemAdapterTest.java revision 960c0ea0b1d36904beef0f01715dd43a211e88ca
1/*
2 * Copyright (C) 2015 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.test;
18
19import android.test.AndroidTestCase;
20import android.test.suitebuilder.annotation.SmallTest;
21
22import com.android.setupwizardlib.items.Item;
23import com.android.setupwizardlib.items.ItemAdapter;
24import com.android.setupwizardlib.items.ItemGroup;
25import com.android.setupwizardlib.items.ItemHierarchy;
26
27import java.util.Arrays;
28import java.util.HashSet;
29
30public class ItemAdapterTest extends AndroidTestCase {
31
32    private Item[] mItems = new Item[5];
33    private ItemGroup mItemGroup = new ItemGroup();
34
35    @Override
36    protected void setUp() throws Exception {
37        super.setUp();
38        for (int i = 0; i < 5; i++) {
39            Item item = new Item();
40            item.setTitle("TestTitle" + i);
41            item.setId(i);
42            item.setLayoutResource(((i % 3) + 1) * 10);
43            mItems[i] = item;
44            mItemGroup.addChild(item);
45        }
46    }
47
48    @SmallTest
49    public void testAdapter() {
50        ItemAdapter adapter = new ItemAdapter(mItemGroup);
51        assertEquals("Adapter should have 5 items", 5, adapter.getCount());
52        assertEquals("Adapter should return the first item", mItems[0], adapter.getItem(0));
53        assertEquals("ID should be same as position", 2, adapter.getItemId(2));
54
55        // Each test item has its own layout resource, and therefore its own view type
56        assertEquals("Should have 3 different view types", 3, adapter.getViewTypeCount());
57        HashSet<Integer> viewTypes = new HashSet<>(3);
58        viewTypes.add(adapter.getItemViewType(0));
59        viewTypes.add(adapter.getItemViewType(1));
60        viewTypes.add(adapter.getItemViewType(2));
61
62        assertEquals("View types should be 0, 1, 2",
63                new HashSet<>(Arrays.asList(0, 1, 2)), viewTypes);
64    }
65
66    @SmallTest
67    public void testGetRootItemHierarchy() {
68        ItemAdapter adapter = new ItemAdapter(mItemGroup);
69        ItemHierarchy root = adapter.getRootItemHierarchy();
70        assertSame("Root item hierarchy should be mItemGroup", mItemGroup, root);
71    }
72}
73