RecyclerViewTest.java revision aa6e1d7fa3c1fb0f501ed58332b4cc584522df7f
10194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta/* 20194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * Copyright (C) 2015 The Android Open Source Project 30194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * 40194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * Licensed under the Apache License, Version 2.0 (the "License"); 50194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * you may not use this file except in compliance with the License. 60194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * You may obtain a copy of the License at 70194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * 80194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * http://www.apache.org/licenses/LICENSE-2.0 90194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * 100194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * Unless required by applicable law or agreed to in writing, software 110194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * distributed under the License is distributed on an "AS IS" BASIS, 120194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * See the License for the specific language governing permissions and 140194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta * limitations under the License. 150194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta */ 160194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 170194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptapackage android.support.v7.widget.test; 180194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 190a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport org.junit.Rule; 200a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport org.junit.Test; 210a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport org.junit.runner.RunWith; 220a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar 230194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.app.Activity; 240a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport android.app.Instrumentation; 25aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banesimport android.os.Build; 260a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport android.support.test.InstrumentationRegistry; 270a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport android.support.test.rule.ActivityTestRule; 280a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport android.support.test.runner.AndroidJUnit4; 290194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.support.v7.recyclerview.test.CustomLayoutManager; 300194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.support.v7.recyclerview.test.R; 310194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.support.v7.widget.GridLayoutManager; 32ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyarimport android.support.v7.widget.LinearLayoutManager; 330194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.support.v7.widget.RecyclerView; 34ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyarimport android.support.v7.widget.StaggeredGridLayoutManager; 35f1b288ec2104488f4a92e911b0ab80c8f0f3e9d1Yigit Boyarimport android.test.suitebuilder.annotation.SmallTest; 360194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Guptaimport android.widget.LinearLayout; 370194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 38aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banesimport static org.junit.Assert.assertFalse; 390a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport static org.junit.Assert.assertEquals; 400a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport static org.junit.Assert.assertNotNull; 410a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarimport static org.junit.Assert.assertTrue; 420a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar 43f1b288ec2104488f4a92e911b0ab80c8f0f3e9d1Yigit Boyar@SmallTest 440a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar@RunWith(AndroidJUnit4.class) 450a017072206f93474ccd2706e7983c2ff778b904Yigit Boyarpublic class RecyclerViewTest { 460194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 470a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar @Rule 480a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar public ActivityTestRule<RecyclerViewTestActivity> mActivityRule 490a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar = new ActivityTestRule<>(RecyclerViewTestActivity.class); 500194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 510194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta private void setContentView(final int layoutId) throws Throwable { 520a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar final Activity activity = mActivityRule.getActivity(); 530a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar InstrumentationRegistry.getInstrumentation().runOnMainSync(new Runnable() { 540194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta @Override 550194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta public void run() { 560194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta activity.setContentView(layoutId); 570194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta } 580194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta }); 590194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta } 600194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 610a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar @Test 620a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar public void savedStateAccess() throws ClassNotFoundException { 63ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar // this class should be accessible outside RecyclerView package 64ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar assertNotNull(RecyclerView.SavedState.class); 65ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar assertNotNull(LinearLayoutManager.SavedState.class); 66ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar assertNotNull(GridLayoutManager.SavedState.class); 67ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar assertNotNull(StaggeredGridLayoutManager.SavedState.class); 68ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar } 69ceb1d0ab9e22f5a48b72e9850f713be60311c516Yigit Boyar 700a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar @Test 710a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar public void inflation() throws Throwable { 720194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta setContentView(R.layout.inflation_test); 730194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta getInstrumentation().waitForIdleSync(); 740194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta RecyclerView view = (RecyclerView) getActivity().findViewById(R.id.recyclerView); 750194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta RecyclerView.LayoutManager layoutManager = view.getLayoutManager(); 760194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertNotNull("LayoutManager not created.", layoutManager); 770194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Incorrect LayoutManager created", 780194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager.getClass().getName(), GridLayoutManager.class.getName()); 790194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta GridLayoutManager gridLayoutManager = ((GridLayoutManager) layoutManager); 800194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Incorrect span count.", 3, gridLayoutManager.getSpanCount()); 810194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Expected horizontal orientation.", 820194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta LinearLayout.HORIZONTAL, gridLayoutManager.getOrientation()); 830194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertTrue("Expected reversed layout", gridLayoutManager.getReverseLayout()); 840194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 850194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta view = (RecyclerView) getActivity().findViewById(R.id.recyclerView2); 860194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager = view.getLayoutManager(); 870194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertNotNull("LayoutManager not created.", layoutManager); 880194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Incorrect LayoutManager created", 890194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager.getClass().getName(), 900194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta CustomLayoutManager.class.getName()); 910194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta CustomLayoutManager customLayoutManager = 920194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta (CustomLayoutManager) layoutManager; 930194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Expected vertical orientation.", 940194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta LinearLayout.VERTICAL, customLayoutManager.getOrientation()); 950194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertTrue("Expected items to be stacked from end", customLayoutManager.getStackFromEnd()); 960194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 970194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta view = (RecyclerView) getActivity().findViewById(R.id.recyclerView3); 980194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager = view.getLayoutManager(); 990194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertNotNull("LayoutManager not created.", layoutManager); 1000194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta assertEquals("Incorrect LayoutManager created", 1010194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta layoutManager.getClass().getName(), 1020194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta CustomLayoutManager.LayoutManager.class.getName()); 1030194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta 104ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar view = (RecyclerView) getActivity().findViewById(R.id.recyclerView4); 105ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar layoutManager = view.getLayoutManager(); 106ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar assertNotNull("LayoutManager not created.", layoutManager); 107ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar assertEquals("Incorrect LayoutManager created", 108ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar "android.support.v7.recyclerview.test.PrivateLayoutManager", 109ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar layoutManager.getClass().getName()); 110ec494eb6490aae36981351d80c778031efcf2ebeYigit Boyar 111aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes view = (RecyclerView) getActivity().findViewById(R.id.recyclerView5); 112aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes assertTrue("Incorrect default nested scrolling value", view.isNestedScrollingEnabled()); 113aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes 114aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes if (Build.VERSION.SDK_INT >= 21) { 115aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes view = (RecyclerView) getActivity().findViewById(R.id.recyclerView6); 116aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes assertFalse("Incorrect explicit nested scrolling value", 117aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes view.isNestedScrollingEnabled()); 118aa6e1d7fa3c1fb0f501ed58332b4cc584522df7fChris Banes } 1190194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta } 1200a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar 1210a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar private Activity getActivity() { 1220a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar return mActivityRule.getActivity(); 1230a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar } 1240a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar 1250a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar private Instrumentation getInstrumentation() { 1260a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar return InstrumentationRegistry.getInstrumentation(); 1270a017072206f93474ccd2706e7983c2ff778b904Yigit Boyar } 1280194ed84ad6f1d3d489db52b9431fa93a7697b50Deepanshu Gupta} 129