/*
 * Copyright (C) 2021 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.names;

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

import dagger.Component;
import javax.inject.Inject;
import javax.inject.Provider;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/** This is a regression test for https://github.com/google/dagger/issues/3069. */
@RunWith(JUnit4.class)
public final class ComponentFactoryNameConflictsTest {

  // A class name "Create" so the private method name in fastInit mode conflicts with the create()
  // factory method.
  public static final class Create {
    // Take a dependency so we don't just inline this directly.
    @Inject Create(Provider<CreateUsage> provider) {}
  }

  // Use another class to make sure the create class is used but not a direct component entry point.
  public static final class CreateUsage {
    @Inject CreateUsage(Create create) {}
  }

  @Component
  interface CreateComponent {
    CreateUsage getCreateUsage();
  }

  @Test
  public void testCreate() {
    CreateComponent testComponent =
        DaggerComponentFactoryNameConflictsTest_CreateComponent.create();
    CreateUsage createUsage = testComponent.getCreateUsage();
    assertThat(createUsage).isNotNull();
  }

  // A class name "Builder" so the private method name in fastInit mode conflicts with the builder()
  // factory method.
  public static final class Builder {
    // Take a dependency so we don't just inline this directly.
    @Inject Builder(Provider<BuilderUsage> provider) {}
  }

  public static final class BuilderUsage {
    @Inject BuilderUsage(Builder create) {}
  }

  @Component
  interface BuilderComponent {
    BuilderUsage getBuilderUsage();

    @Component.Builder
    interface OtherBuilder {
      BuilderComponent build();
    }
  }

  // Technically this test passes without claiming the name "builder" when we add the method (even
  // though we do anyway for safety) because KeyVariableNamer actually hardcodes a list of common
  // names to avoid which includes "builder".
  @Test
  public void testBuilder() {
    BuilderComponent testComponent =
        DaggerComponentFactoryNameConflictsTest_BuilderComponent.builder().build();
    BuilderUsage builderUsage = testComponent.getBuilderUsage();
    assertThat(builderUsage).isNotNull();
  }
}