javatests/dagger/functional/builder/BuilderBindsInstanceParameterTest.java

/*
 * Copyright (C) 2019 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.builder;

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


import dagger.BindsInstance;
import dagger.Component;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * Tests that {@code @BindsInstance} works when applied to the parameter of a builder's setter
 * method.
 */
@RunWith(JUnit4.class)
public final class BuilderBindsInstanceParameterTest {

  @Component
  interface TestComponent {
    String s();

    int i();

    @Component.Builder
    interface Builder {
      // https://github.com/google/dagger/issues/1464
      Builder s(@BindsInstance String notTheSameNameAsMethod);

      Builder i(@BindsInstance int i);

      TestComponent build();
    }
  }

  @Test
  public void builder_bindsInstanceOnParameter_allowed() {
    TestComponent component = DaggerBuilderBindsInstanceParameterTest_TestComponent.builder()
        .s("hello")
        .i(42)
        .build();
    assertThat(component.s()).isEqualTo("hello");
    assertThat(component.i()).isEqualTo(42);
  }
}