1 /* 2 * Copyright (C) 2019 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.factory; 18 19 import static com.google.common.truth.Truth.assertThat; 20 import static java.lang.annotation.ElementType.FIELD; 21 import static java.lang.annotation.ElementType.METHOD; 22 import static java.lang.annotation.ElementType.PARAMETER; 23 import static java.lang.annotation.RetentionPolicy.RUNTIME; 24 import static org.junit.Assert.fail; 25 26 import dagger.BindsInstance; 27 import dagger.Component; 28 import java.lang.annotation.Retention; 29 import java.lang.annotation.Target; 30 import org.junit.Test; 31 import org.junit.runner.RunWith; 32 import org.junit.runners.JUnit4; 33 34 /** Tests for component factories with {@link BindsInstance} parameters. */ 35 @RunWith(JUnit4.class) 36 public final class FactoryBindsInstanceTest { 37 38 @Component 39 interface BindsInstanceComponent { string()40 String string(); 41 42 @Component.Factory 43 interface Factory { create(@indsInstance String string)44 BindsInstanceComponent create(@BindsInstance String string); 45 } 46 } 47 48 @Test bindsInstance()49 public void bindsInstance() { 50 BindsInstanceComponent component = 51 DaggerFactoryBindsInstanceTest_BindsInstanceComponent.factory().create("baz"); 52 assertThat(component.string()).isEqualTo("baz"); 53 } 54 55 @Test nonNullableBindsInstance_failsOnNull()56 public void nonNullableBindsInstance_failsOnNull() { 57 try { 58 DaggerFactoryBindsInstanceTest_BindsInstanceComponent.factory().create(null); 59 fail(); 60 } catch (NullPointerException expected) { 61 } 62 } 63 64 @Target({METHOD, PARAMETER, FIELD}) 65 @Retention(RUNTIME) 66 @interface Nullable {} 67 68 @Component 69 interface NullableBindsInstanceComponent { 70 @Nullable string()71 String string(); 72 73 @Component.Factory 74 interface Factory { create(@indsInstance @ullable String string)75 NullableBindsInstanceComponent create(@BindsInstance @Nullable String string); 76 } 77 } 78 79 @Test nullableBindsInstance_doesNotFailOnNull()80 public void nullableBindsInstance_doesNotFailOnNull() { 81 NullableBindsInstanceComponent component = 82 DaggerFactoryBindsInstanceTest_NullableBindsInstanceComponent.factory().create(null); 83 assertThat(component.string()).isEqualTo(null); 84 } 85 86 @Component 87 interface PrimitiveBindsInstanceComponent { getInt()88 int getInt(); 89 90 @Component.Factory 91 interface Factory { create(@indsInstance int i)92 PrimitiveBindsInstanceComponent create(@BindsInstance int i); 93 } 94 } 95 96 @Test primitiveBindsInstance()97 public void primitiveBindsInstance() { 98 PrimitiveBindsInstanceComponent component = 99 DaggerFactoryBindsInstanceTest_PrimitiveBindsInstanceComponent.factory().create(1); 100 assertThat(component.getInt()).isEqualTo(1); 101 } 102 } 103