| /* |
| * Copyright 2008 Google LLC |
| * |
| * 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 com.google.auto.service.processor; |
| |
| import static com.google.auto.service.processor.AutoServiceProcessor.MISSING_SERVICES_ERROR; |
| import static com.google.testing.compile.CompilationSubject.assertThat; |
| |
| import com.google.common.io.Resources; |
| import com.google.testing.compile.Compilation; |
| import com.google.testing.compile.Compiler; |
| import com.google.testing.compile.JavaFileObjects; |
| import javax.tools.StandardLocation; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests the {@link AutoServiceProcessor}. */ |
| @RunWith(JUnit4.class) |
| public class AutoServiceProcessorTest { |
| @Test |
| public void autoService() { |
| Compilation compilation = |
| Compiler.javac() |
| .withProcessors(new AutoServiceProcessor()) |
| .compile( |
| JavaFileObjects.forResource("test/SomeService.java"), |
| JavaFileObjects.forResource("test/SomeServiceProvider1.java"), |
| JavaFileObjects.forResource("test/SomeServiceProvider2.java"), |
| JavaFileObjects.forResource("test/Enclosing.java"), |
| JavaFileObjects.forResource("test/AnotherService.java"), |
| JavaFileObjects.forResource("test/AnotherServiceProvider.java")); |
| assertThat(compilation).succeededWithoutWarnings(); |
| assertThat(compilation) |
| .generatedFile(StandardLocation.CLASS_OUTPUT, "META-INF/services/test.SomeService") |
| .hasContents( |
| Resources.asByteSource(Resources.getResource("META-INF/services/test.SomeService"))); |
| assertThat(compilation) |
| .generatedFile(StandardLocation.CLASS_OUTPUT, "META-INF/services/test.AnotherService") |
| .hasContents( |
| Resources.asByteSource(Resources.getResource("META-INF/services/test.AnotherService"))); |
| } |
| |
| @Test |
| public void multiService() { |
| Compilation compilation = |
| Compiler.javac() |
| .withProcessors(new AutoServiceProcessor()) |
| .compile( |
| JavaFileObjects.forResource("test/SomeService.java"), |
| JavaFileObjects.forResource("test/AnotherService.java"), |
| JavaFileObjects.forResource("test/MultiServiceProvider.java")); |
| assertThat(compilation).succeededWithoutWarnings(); |
| // We have @AutoService({SomeService.class, AnotherService.class}) class MultiServiceProvider. |
| // So we expect META-INF/services/test.SomeService with contents that name MultiServiceProvider |
| // and likewise META-INF/services/test.AnotherService. |
| assertThat(compilation) |
| .generatedFile(StandardLocation.CLASS_OUTPUT, "META-INF/services/test.SomeService") |
| .contentsAsUtf8String() |
| .isEqualTo("test.MultiServiceProvider\n"); |
| assertThat(compilation) |
| .generatedFile(StandardLocation.CLASS_OUTPUT, "META-INF/services/test.AnotherService") |
| .contentsAsUtf8String() |
| .isEqualTo("test.MultiServiceProvider\n"); |
| } |
| |
| @Test |
| public void badMultiService() { |
| Compilation compilation = |
| Compiler.javac() |
| .withProcessors(new AutoServiceProcessor()) |
| .compile(JavaFileObjects.forResource("test/NoServices.java")); |
| assertThat(compilation).failed(); |
| assertThat(compilation).hadErrorContaining(MISSING_SERVICES_ERROR); |
| } |
| |
| @Test |
| public void generic() { |
| Compilation compilation = |
| Compiler.javac() |
| .withProcessors(new AutoServiceProcessor()) |
| .compile( |
| JavaFileObjects.forResource("test/GenericService.java"), |
| JavaFileObjects.forResource("test/GenericServiceProvider.java")); |
| assertThat(compilation).succeededWithoutWarnings(); |
| assertThat(compilation) |
| .generatedFile(StandardLocation.CLASS_OUTPUT, "META-INF/services/test.GenericService") |
| .contentsAsUtf8String() |
| .isEqualTo("test.GenericServiceProvider\n"); |
| } |
| |
| @Test |
| public void genericWithVerifyOption() { |
| Compilation compilation = |
| Compiler.javac() |
| .withProcessors(new AutoServiceProcessor()) |
| .withOptions("-Averify=true") |
| .compile( |
| JavaFileObjects.forResource("test/GenericService.java"), |
| JavaFileObjects.forResource("test/GenericServiceProvider.java")); |
| assertThat(compilation).succeeded(); |
| assertThat(compilation) |
| .hadWarningContaining( |
| "Service provider test.GenericService is generic, so it can't be named exactly by" |
| + " @AutoService. If this is OK, add @SuppressWarnings(\"rawtypes\")."); |
| } |
| |
| @Test |
| public void genericWithVerifyOptionAndSuppressWarings() { |
| Compilation compilation = |
| Compiler.javac() |
| .withProcessors(new AutoServiceProcessor()) |
| .withOptions("-Averify=true") |
| .compile( |
| JavaFileObjects.forResource("test/GenericService.java"), |
| JavaFileObjects.forResource("test/GenericServiceProviderSuppressWarnings.java")); |
| assertThat(compilation).succeededWithoutWarnings(); |
| } |
| |
| @Test |
| public void nestedGenericWithVerifyOptionAndSuppressWarnings() { |
| Compilation compilation = |
| Compiler.javac() |
| .withProcessors(new AutoServiceProcessor()) |
| .withOptions("-Averify=true") |
| .compile( |
| JavaFileObjects.forResource("test/GenericService.java"), |
| JavaFileObjects.forResource("test/EnclosingGeneric.java")); |
| assertThat(compilation).succeededWithoutWarnings(); |
| assertThat(compilation) |
| .generatedFile(StandardLocation.CLASS_OUTPUT, "META-INF/services/test.GenericService") |
| .contentsAsUtf8String() |
| .isEqualTo("test.EnclosingGeneric$GenericServiceProvider\n"); |
| } |
| } |