javatests/dagger/functional/assisted/AssistedFactoryInaccessibleTest.java

/*
 * Copyright (C) 2020 The Dagger Authors.
 *
 * 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 dagger.functional.assisted;

import static com.google.common.truth.Truth.assertThat;

import dagger.Component;
import dagger.assisted.AssistedFactory;
import dagger.functional.assisted.subpackage.AccessibleFoo;
import dagger.functional.assisted.subpackage.AssistedDep;
import dagger.functional.assisted.subpackage.InaccessibleFooFactory;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

@RunWith(JUnit4.class)
public final class AssistedFactoryInaccessibleTest {
  @Component
  interface ParentComponent {
    // Factory for an accessible type from another package
    AccessibleFooFactory accessibleFooFactory();

    // Factory for an inaccessible type from another package
    InaccessibleFooFactory inaccessibleFooFactory();
  }

  @AssistedFactory
  public interface AccessibleFooFactory {
    // Use different parameter names than Foo to make sure we're not assuming they're the same.
    AccessibleFoo create(AssistedDep factoryAssistedDep);
  }

  @Test
  public void testAccessibleFooFactory() {
    AssistedDep assistedDep = new AssistedDep();
    AccessibleFoo accessibleFoo =
        DaggerAssistedFactoryInaccessibleTest_ParentComponent.create()
            .accessibleFooFactory()
            .create(assistedDep);
    assertThat(accessibleFoo).isNotNull();
    assertThat(accessibleFoo.dep).isNotNull();
    assertThat(accessibleFoo.assistedDep).isEqualTo(assistedDep);
  }

  @Test
  public void testInaccessibleFooFactory() {
    AssistedDep assistedDep = new AssistedDep();
    // We can't access InaccessibleFoo directly, so just use Object instead.
    Object inaccessibleFoo =
        DaggerAssistedFactoryInaccessibleTest_ParentComponent.create()
            .inaccessibleFooFactory()
            .create(assistedDep);
    assertThat(inaccessibleFoo).isNotNull();
  }
}