content: /*
   * Copyright (C) 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 androidx.test.espresso.intent.matcher;
  
  import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
  import static androidx.test.espresso.intent.Checks.checkNotNull;
  import static org.hamcrest.Matchers.any;
  import static org.hamcrest.Matchers.is;
  
  import android.content.ComponentName;
  import com.google.errorprone.annotations.CheckReturnValue;
  import org.hamcrest.Description;
  import org.hamcrest.Matcher;
  import org.hamcrest.TypeSafeMatcher;
  
  /** A collection of hamcrest matchers to match {@link ComponentName} objects. */
  @CheckReturnValue
  public final class ComponentNameMatchers {
    private ComponentNameMatchers() {}
  
    private static class ComponentMatcher extends TypeSafeMatcher<ComponentName> {
      private Matcher<String> classNameMatcher;
      private Matcher<String> packageNameMatcher;
      private Matcher<String> shortClassNameMatcher;
  
      private ComponentMatcher(
          Matcher<String> classNameMatcher,
          Matcher<String> packageNameMatcher,
          Matcher<String> shortClassNameMatcher) {
        super(ComponentName.class);
        this.classNameMatcher = checkNotNull(classNameMatcher);
        this.packageNameMatcher = checkNotNull(packageNameMatcher);
        this.shortClassNameMatcher = checkNotNull(shortClassNameMatcher);
      }
  
      @Override
      public boolean matchesSafely(ComponentName componentName) {
        return classNameMatcher.matches(componentName.getClassName())
            && packageNameMatcher.matches(componentName.getPackageName())
            && shortClassNameMatcher.matches(componentName.getShortClassName());
      }
  
      @Override
      public void describeTo(Description description) {
        description.appendText("has component with: class name: ");
        description.appendDescriptionOf(classNameMatcher);
        description.appendText(" package name: ");
        description.appendDescriptionOf(packageNameMatcher);
        description.appendText(" short class name: ");
        description.appendDescriptionOf(shortClassNameMatcher);
      }
    }
  
    public static Matcher<ComponentName> hasClassName(String className) {
      return hasClassName(is(className));
    }
  
    public static Matcher<ComponentName> hasClassName(Matcher<String> classNameMatcher) {
      return new ComponentMatcher(classNameMatcher, any(String.class), any(String.class));
    }
  
    public static Matcher<ComponentName> hasPackageName(String packageName) {
      return hasPackageName(is(packageName));
    }
  
    public static Matcher<ComponentName> hasPackageName(Matcher<String> packageNameMatcher) {
      return new ComponentMatcher(any(String.class), packageNameMatcher, any(String.class));
    }
  
    public static Matcher<ComponentName> hasShortClassName(String shortClassName) {
      return hasShortClassName(is(shortClassName));
    }
  
    public static Matcher<ComponentName> hasShortClassName(Matcher<String> shortClassNameMatcher) {
      return new ComponentMatcher(any(String.class), any(String.class), shortClassNameMatcher);
    }
  
    /**
     * Matches a component based on the target package name found through the Instrumentation Registry
     * for the test.
     */
    public static Matcher<ComponentName> hasMyPackageName() {
      return hasPackageName(is(getApplicationContext().getPackageName()));
    }
  }
  