1 /* 2 * Copyright (C) 2015 The Dagger Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package dagger.functional.cycle; 18 19 import static com.google.common.truth.Truth.assertThat; 20 21 import dagger.functional.cycle.Cycles.A; 22 import dagger.functional.cycle.Cycles.BindsCycleComponent; 23 import dagger.functional.cycle.Cycles.C; 24 import dagger.functional.cycle.Cycles.ChildCycleComponent; 25 import dagger.functional.cycle.Cycles.CycleComponent; 26 import dagger.functional.cycle.Cycles.CycleMapComponent; 27 import dagger.functional.cycle.Cycles.S; 28 import dagger.functional.cycle.Cycles.SelfCycleComponent; 29 import org.junit.Test; 30 import org.junit.runner.RunWith; 31 import org.junit.runners.JUnit4; 32 33 @RunWith(JUnit4.class) 34 public class CycleTest { 35 @Test providerIndirectionSelfCycle()36 public void providerIndirectionSelfCycle() { 37 SelfCycleComponent selfCycleComponent = DaggerCycles_SelfCycleComponent.create(); 38 S s = selfCycleComponent.s(); 39 assertThat(s.sProvider.get()).isNotNull(); 40 } 41 42 @Test providerIndirectionCycle()43 public void providerIndirectionCycle() { 44 CycleComponent cycleComponent = DaggerCycles_CycleComponent.create(); 45 A a = cycleComponent.a(); 46 C c = cycleComponent.c(); 47 assertThat(c.aProvider.get()).isNotNull(); 48 assertThat(a.b.c.aProvider.get()).isNotNull(); 49 assertThat(a.e.d.b.c.aProvider.get()).isNotNull(); 50 } 51 52 @Test lazyIndirectionSelfCycle()53 public void lazyIndirectionSelfCycle() { 54 SelfCycleComponent selfCycleComponent = DaggerCycles_SelfCycleComponent.create(); 55 S s = selfCycleComponent.s(); 56 assertThat(s.sLazy.get()).isNotNull(); 57 } 58 59 @Test lazyIndirectionCycle()60 public void lazyIndirectionCycle() { 61 CycleComponent cycleComponent = DaggerCycles_CycleComponent.create(); 62 A a = cycleComponent.a(); 63 C c = cycleComponent.c(); 64 assertThat(c.aLazy.get()).isNotNull(); 65 assertThat(a.b.c.aLazy.get()).isNotNull(); 66 assertThat(a.e.d.b.c.aLazy.get()).isNotNull(); 67 } 68 69 @Test subcomponentIndirectionCycle()70 public void subcomponentIndirectionCycle() { 71 ChildCycleComponent childCycleComponent = DaggerCycles_CycleComponent.create().child(); 72 A a = childCycleComponent.a(); 73 assertThat(a.b.c.aProvider.get()).isNotNull(); 74 assertThat(a.e.d.b.c.aProvider.get()).isNotNull(); 75 } 76 77 @Test providerMapIndirectionCycle()78 public void providerMapIndirectionCycle() { 79 CycleMapComponent cycleMapComponent = DaggerCycles_CycleMapComponent.create(); 80 assertThat(cycleMapComponent.y()).isNotNull(); 81 assertThat(cycleMapComponent.y().mapOfProvidersOfX).containsKey("X"); 82 assertThat(cycleMapComponent.y().mapOfProvidersOfX.get("X")).isNotNull(); 83 assertThat(cycleMapComponent.y().mapOfProvidersOfX.get("X").get()).isNotNull(); 84 assertThat(cycleMapComponent.y().mapOfProvidersOfX.get("X").get().y).isNotNull(); 85 assertThat(cycleMapComponent.y().mapOfProvidersOfX).hasSize(1); 86 assertThat(cycleMapComponent.y().mapOfProvidersOfY).containsKey("Y"); 87 assertThat(cycleMapComponent.y().mapOfProvidersOfY.get("Y")).isNotNull(); 88 assertThat(cycleMapComponent.y().mapOfProvidersOfY.get("Y").get()).isNotNull(); 89 assertThat(cycleMapComponent.y().mapOfProvidersOfY.get("Y").get().mapOfProvidersOfX).hasSize(1); 90 assertThat(cycleMapComponent.y().mapOfProvidersOfY.get("Y").get().mapOfProvidersOfY).hasSize(1); 91 assertThat(cycleMapComponent.y().mapOfProvidersOfY).hasSize(1); 92 } 93 94 /** 95 * Tests that a cycle where a {@code @Binds} binding depends on a binding that has to be deferred 96 * works. 97 */ 98 @Test cycleWithDeferredBinds()99 public void cycleWithDeferredBinds() { 100 BindsCycleComponent bindsCycleComponent = DaggerCycles_BindsCycleComponent.create(); 101 assertThat(bindsCycleComponent.bar()).isNotNull(); 102 } 103 } 104