Java tutorial
/** * Wire * Copyright (C) 2016 Wire Swiss GmbH * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.waz.zclient.testutils; import android.app.Instrumentation; import android.content.Intent; import android.os.Looper; import android.support.test.InstrumentationRegistry; import android.support.test.espresso.intent.Intents; import android.support.test.rule.ActivityTestRule; import android.support.v4.app.Fragment; import com.waz.zclient.R; import com.waz.zclient.TestActivity; import com.waz.zclient.mock.MockControllerFactory; import com.waz.zclient.mock.MockStoreFactory; import org.junit.After; import org.junit.Before; import org.junit.Rule; import static junit.framework.Assert.assertTrue; public class FragmentTest<A extends TestActivity> { public static final int CATCH_DEBUG_DELAY = 3000; public static final int WAIT_FOR_TRANSACTION_COMMIT_DELAY = 100; @Rule public ActivityTestRule<A> activityTestRule; protected Instrumentation instrumentation; protected A activity; private Class<A> activityType; public FragmentTest(Class<A> activityType) { this.activityType = activityType; activityTestRule = new ActivityTestRule<>(activityType, false, false); if (Looper.myLooper() == null) { Looper.prepare(); } } @Before public void setup() throws InterruptedException { //Thread.sleep(CATCH_DEBUG_DELAY); // very useful for being able to catch with the debugger :) instrumentation = InstrumentationRegistry.getInstrumentation(); Intents.init(); activityTestRule.launchActivity(new Intent(instrumentation.getContext(), activityType)); activity = activityTestRule.getActivity(); activity.setMockStoreFactory(new MockStoreFactory()); activity.setMockControllerFactory(new MockControllerFactory()); } protected void attachFragment(Fragment fragment, String TAG) { activity.getSupportFragmentManager().beginTransaction().add(R.id.test_content, fragment, TAG).commit(); try { Thread.sleep(WAIT_FOR_TRANSACTION_COMMIT_DELAY); } catch (InterruptedException e) { e.printStackTrace(); } assertTrue("Fragment didn't attach", fragment.isAdded()); } @After public void tearDown() { Intents.release(); } }