| /* |
| * Copyright 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package androidx.viewpager.widget; |
| |
| import static android.support.test.espresso.Espresso.onView; |
| import static android.support.test.espresso.action.ViewActions.click; |
| import static android.support.test.espresso.matcher.ViewMatchers.isDescendantOfA; |
| import static android.support.test.espresso.matcher.ViewMatchers.withId; |
| import static android.support.test.espresso.matcher.ViewMatchers.withText; |
| |
| import static org.hamcrest.Matchers.allOf; |
| import static org.junit.Assert.assertEquals; |
| |
| import androidx.viewpager.test.R; |
| |
| /** |
| * Provides assertions that depend on the interactive nature of <code>PagerTabStrip</code>. |
| */ |
| public class ViewPagerWithTabStripTest extends BaseViewPagerTest<ViewPagerWithTabStripActivity> { |
| public ViewPagerWithTabStripTest() { |
| super(ViewPagerWithTabStripActivity.class); |
| } |
| |
| @Override |
| protected Class getStripClass() { |
| return PagerTabStrip.class; |
| } |
| |
| @Override |
| protected void assertStripInteraction(boolean smoothScroll) { |
| // The following block tests that ViewPager page selection changes on clicking titles of |
| // various tabs as PagerTabStrip is interactive |
| |
| // Click the tab title for page #0 and verify that we're still on page #0 |
| onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Red"))).perform(click()); |
| assertEquals("Click tab #0 on tab #0", 0, mViewPager.getCurrentItem()); |
| |
| // Click the tab title for page #1 and verify that we're on page #1 |
| onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Green"))).perform(click()); |
| assertEquals("Click tab #1 on tab #0", 1, mViewPager.getCurrentItem()); |
| |
| // Click the tab title for page #0 and verify that we're on page #0 |
| onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Red"))).perform(click()); |
| assertEquals("Click tab #0 on tab #1", 0, mViewPager.getCurrentItem()); |
| |
| // Go back to page #1 |
| onView(withId(R.id.pager)).perform(ViewPagerActions.scrollRight(smoothScroll)); |
| |
| // Click the tab title for page #1 and verify that we're still on page #1 |
| onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Green"))).perform(click()); |
| assertEquals("Click tab #1 on tab #1", 1, mViewPager.getCurrentItem()); |
| |
| // Click the tab title for page #2 and verify that we're on page #2 |
| onView(allOf(isDescendantOfA(withId(R.id.titles)), withText("Blue"))).perform(click()); |
| assertEquals("Click tab #2 on tab #1", 2, mViewPager.getCurrentItem()); |
| |
| // The following block tests that ViewPager page selection changes on clicking in |
| // between titles of tabs as that functionality is exposed by PagerTabStrip |
| |
| // Scroll back to page #0 |
| onView(withId(R.id.pager)).perform(ViewPagerActions.scrollToPage(0, smoothScroll)); |
| |
| // Click between titles of page #0 and page #1 and verify that we're on page #1 |
| onView(withId(R.id.titles)).perform(ViewPagerActions.clickBetweenTwoTitles("Red", "Green")); |
| assertEquals("Click in between tabs #0 and #1 on tab #0", 1, mViewPager.getCurrentItem()); |
| |
| // Click between titles of page #0 and page #1 and verify that we're on page #0 |
| onView(withId(R.id.titles)).perform(ViewPagerActions.clickBetweenTwoTitles("Red", "Green")); |
| assertEquals("Click in between tabs #0 and #1 on tab #1", 0, mViewPager.getCurrentItem()); |
| |
| // Go back to page #1 |
| onView(withId(R.id.pager)).perform(ViewPagerActions.scrollRight(smoothScroll)); |
| |
| // Click between titles of page #1 and page #2 and verify that we're on page #2 |
| onView(withId(R.id.titles)).perform(ViewPagerActions.clickBetweenTwoTitles("Green", "Blue")); |
| assertEquals("Click in between tabs #1 and #2 on tab #1", 2, mViewPager.getCurrentItem()); |
| } |
| } |
