/*
 * Copyright (C) 2023 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.kotlinsrc.subcomponent.module

import com.google.common.truth.Truth.assertThat
import org.junit.Test
import org.junit.runner.RunWith
import org.junit.runners.JUnit4

/** Tests for [Module.subcomponents]. */
@RunWith(JUnit4::class)
class ModuleWithSubcomponentsTest {
  @Test
  fun subcomponentFromModuleAndFactoryMethod() {
    val parent = DaggerSubcomponentFromModuleAndFactoryMethod_ExposesBuilder.create()
    val sub = parent.subcomponentBuilder().sub()
    assertThat(sub).isNotNull()
  }

  @Test
  fun subcomponentFromModules() {
    val parent = DaggerUsesModuleSubcomponents.create()
    assertThat(parent.strings()).containsExactly("from parent")
    assertThat(parent.usesChild().strings).containsExactly("from parent", "from child")
  }

  @Test
  fun subcomponentFromModules_transitively() {
    val parent = DaggerUsesModuleSubcomponents_ParentIncludesSubcomponentTransitively.create()
    assertThat(parent.strings()).containsExactly("from parent")
    assertThat(parent.usesChild().strings).containsExactly("from parent", "from child")
  }
}