content: /*
   * Copyright 2015, 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 com.example.android.testing.espresso.BasicSample;
  
  import android.app.Activity;
  
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  
  import androidx.test.espresso.action.ViewActions;
  import androidx.test.espresso.matcher.ViewMatchers;
  import androidx.test.ext.junit.rules.ActivityScenarioRule;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import androidx.test.filters.LargeTest;
  
  import static androidx.test.espresso.Espresso.onView;
  import static androidx.test.espresso.action.ViewActions.click;
  import static androidx.test.espresso.action.ViewActions.closeSoftKeyboard;
  import static androidx.test.espresso.action.ViewActions.typeText;
  import static androidx.test.espresso.assertion.ViewAssertions.matches;
  import static androidx.test.espresso.matcher.ViewMatchers.withId;
  import static androidx.test.espresso.matcher.ViewMatchers.withText;
  
  
  /**
   * Basic tests showcasing simple view matchers and actions like {@link ViewMatchers#withId},
   * {@link ViewActions#click} and {@link ViewActions#typeText}.
   * <p>
   * Note that there is no need to tell Espresso that a view is in a different {@link Activity}.
   */
  @RunWith(AndroidJUnit4.class)
  @LargeTest
  public class ChangeTextBehaviorTest {
  
      public static final String STRING_TO_BE_TYPED = "Espresso";
  
      /**
       * Use {@link ActivityScenarioRule} to create and launch the activity under test, and close it
       * after test completes. This is a replacement for {@link androidx.test.rule.ActivityTestRule}.
       */
      @Rule public ActivityScenarioRule<MainActivity> activityScenarioRule
              = new ActivityScenarioRule<>(MainActivity.class);
  
      @Test
      public void changeText_sameActivity() {
          // Type text and then press the button.
          onView(withId(R.id.editTextUserInput))
                  .perform(typeText(STRING_TO_BE_TYPED), closeSoftKeyboard());
          onView(withId(R.id.changeTextBt)).perform(click());
  
          // Check that the text was changed.
          onView(withId(R.id.textToBeChanged)).check(matches(withText(STRING_TO_BE_TYPED)));
      }
  
      @Test
      public void changeText_newActivity() {
          // Type text and then press the button.
          onView(withId(R.id.editTextUserInput)).perform(typeText(STRING_TO_BE_TYPED),
                  closeSoftKeyboard());
          onView(withId(R.id.activityChangeTextBtn)).perform(click());
  
          // This view is in a different Activity, no need to tell Espresso.
          onView(withId(R.id.show_text_view)).check(matches(withText(STRING_TO_BE_TYPED)));
      }
  }