ViewPagerWithTitleStripTest.java revision 59606ec8e4d812326448f0bf6acde5a0a167a958 
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 */
16package android.support.v4.view;
17
18import android.support.v4.view.PagerTitleStrip;
19import android.support.v4.test.R;
20
21import static android.support.test.espresso.Espresso.onView;
22import static android.support.test.espresso.action.ViewActions.click;
23import static android.support.test.espresso.matcher.ViewMatchers.isDescendantOfA;
24import static android.support.test.espresso.matcher.ViewMatchers.withId;
25import static android.support.test.espresso.matcher.ViewMatchers.withText;
26
27import static org.hamcrest.Matchers.allOf;
28
29/**
30 * Provides assertions that depend on the non-interactive nature of <code>PagerTabStrip</code>.
31 */
32public class ViewPagerWithTitleStripTest
33        extends BaseViewPagerTest<ViewPagerWithTitleStripActivity> {
34    public ViewPagerWithTitleStripTest() {
35        super(ViewPagerWithTitleStripActivity.class);
36    }
37
38    @Override
39    protected Class getStripClass() {
40        return PagerTitleStrip.class;
41    }
42
43    @Override
44    protected void assertStripInteraction() {
45        // The following block tests that nothing happens on clicking titles of various tabs
46        // as PagerTitleStrip is not interactive
47
48        // Click the tab title for page #0 and verify that we're still on page #0
49        onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Red"))).perform(click());
50        assertEquals("Click tab #0 on tab #0", 0, mViewPager.getCurrentItem());
51
52        // Click the tab title for page #1 and verify that we're still on page #0
53        onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Green"))).perform(click());
54        assertEquals("Click tab #1 on tab #0", 0, mViewPager.getCurrentItem());
55
56        onView(withId(R.id.pager)).perform(ViewPagerActions.scrollRight());
57
58        // Click the tab title for page #0 and verify that we're still on page #1
59        onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Red"))).perform(click());
60        assertEquals("Click tab #0 on tab #1", 1, mViewPager.getCurrentItem());
61
62        // Click the tab title for page #1 and verify that we're still on page #1
63        onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Green"))).perform(click());
64        assertEquals("Click tab #1 on tab #1", 1, mViewPager.getCurrentItem());
65
66        // Click the tab title for page #2 and verify that we're still on page #1
67        onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Blue"))).perform(click());
68        assertEquals("Click tab #2 on tab #1", 1, mViewPager.getCurrentItem());
69
70
71        // The following block tests that nothing happens on clicking in between titles of various
72        // tabs as PagerTitleStrip is not interactive
73
74        // Scroll back to page #0
75        onView(withId(R.id.pager)).perform(ViewPagerActions.scrollToPage(0));
76
77        // Click between titles of page #0 and page #1 and verify that we're still on page #0
78        onView(withId(R.id.titles)).perform(ViewPagerActions.clickBetweenTwoTitles("Red", "Green"));
79        assertEquals("Click in between tabs #0 and #1 on tab #0", 0, mViewPager.getCurrentItem());
80
81        // Go to page #1
82        onView(withId(R.id.pager)).perform(ViewPagerActions.scrollRight());
83
84        // Click between titles of page #1 and page #2 and verify that we're still on page #1
85        onView(withId(R.id.titles)).perform(
86                ViewPagerActions.clickBetweenTwoTitles("Green", "Blue"));
87        assertEquals("Click in between tabs #1 and #2 on tab #1", 1, mViewPager.getCurrentItem());
88
89        // Click between titles of page #0 and page #1 and verify that we're still on page #1
90        onView(withId(R.id.titles)).perform(
91                ViewPagerActions.clickBetweenTwoTitles("Red", "Green"));
92        assertEquals("Click in between tabs #0 and #1 on tab #1", 1, mViewPager.getCurrentItem());
93    }
94}
95