content: /*
   * Copyright (C) 2021 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.test.espresso.base;
  
  import static com.google.common.truth.Truth.assertThat;
  import static org.junit.Assert.assertThrows;
  import static org.junit.rules.ExpectedException.none;
  
  import android.view.View;
  import androidx.test.espresso.PerformException;
  import androidx.test.ext.junit.runners.AndroidJUnit4;
  import androidx.test.platform.app.InstrumentationRegistry;
  import org.hamcrest.BaseMatcher;
  import org.hamcrest.Description;
  import org.hamcrest.Matcher;
  import org.junit.Before;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.ExpectedException;
  import org.junit.runner.RunWith;
  
  @RunWith(AndroidJUnit4.class)
  public class PerformExceptionHandlerTest {
  
    @Rule public ExpectedException expectedException = none();
  
    private PerformExceptionHandler handler;
    private Matcher<View> viewMatcher;
  
    @Before
    public void setUp() {
      handler =
          new PerformExceptionHandler(
              InstrumentationRegistry.getInstrumentation().getTargetContext(),
              PerformException.class);
      viewMatcher =
          new BaseMatcher<View>() {
            @Override
            public boolean matches(Object o) {
              return false;
            }
  
            @Override
            public void describeTo(Description description) {
              description.appendText("A view matcher");
            }
          };
    }
  
    @Test
    public void handle_performException() {
      PerformException performException =
          new PerformException.Builder()
              .withActionDescription("a click")
              .withViewDescription("a text view")
              .build();
  
      PerformException thrown =
          assertThrows(PerformException.class, () -> handler.handle(performException, viewMatcher));
      assertThat(thrown).hasMessageThat().contains("A view matcher");
    }
  
    @Test
    public void handle_nonPerformException() {
      // No-op. No exception should be thrown.
      handler.handle(new Throwable("A non-perform error"), viewMatcher);
    }
  }
  