50 lines
2.0 KiB
Java
50 lines
2.0 KiB
Java
/*
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* Copyright (C) 2016 The Dagger Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dagger.functional.subcomponent.pruning;
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import static com.google.common.truth.Truth.assertThat;
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import dagger.Module;
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import dagger.Subcomponent;
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import dagger.functional.subcomponent.pruning.ParentDoesntUseSubcomponent.ChildA;
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import dagger.functional.subcomponent.pruning.ParentDoesntUseSubcomponent.ChildB;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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/**
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* Tests for {@link Subcomponent}s which are included with {@link Module#subcomponents()} but not
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* used directly within the component which adds them.
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*
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* <p>This tests to make sure that while resolving one subcomponent (A), another subcomponent (B)
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* can be requested if they have a shared ancestor component. If that shared ancestor did not
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* resolve B directly via any of its entry points, B will still be generated since it is requested
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* by a descendant.
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*/
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@RunWith(JUnit4.class)
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public class SubcomponentOnlyRequestedBySiblingTest {
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@Test
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public void subcomponentAddedInParent_onlyUsedInSibling() {
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ParentDoesntUseSubcomponent parent = DaggerParentDoesntUseSubcomponent.create();
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ChildB childB = parent.childBBuilder().build();
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assertThat(childB.componentHierarchy())
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.containsExactly(ParentDoesntUseSubcomponent.class, ChildB.class);
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assertThat(childB.componentHierarchyFromChildA())
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.containsExactly(ParentDoesntUseSubcomponent.class, ChildA.class);
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}
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}
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