1 /* 2 * Copyright (C) 2016 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.internal.codegen; 18 19 import static com.google.common.base.StandardSystemProperty.JAVA_CLASS_PATH; 20 import static com.google.common.base.StandardSystemProperty.PATH_SEPARATOR; 21 import static com.google.testing.compile.Compiler.javac; 22 import static java.util.stream.Collectors.collectingAndThen; 23 import static java.util.stream.Collectors.toList; 24 25 import com.google.auto.value.processor.AutoAnnotationProcessor; 26 import com.google.common.base.Splitter; 27 import com.google.common.collect.ImmutableList; 28 import com.google.testing.compile.Compiler; 29 import java.io.File; 30 import java.util.Arrays; 31 import javax.annotation.processing.Processor; 32 33 /** {@link Compiler} instances for testing Dagger. */ 34 public final class Compilers { 35 private static final String GUAVA = "guava"; 36 37 static final ImmutableList<File> CLASS_PATH_WITHOUT_GUAVA_OPTION = 38 Splitter.on(PATH_SEPARATOR.value()).splitToList(JAVA_CLASS_PATH.value()).stream() 39 .filter(jar -> !jar.contains(GUAVA)) 40 // Remove Bazel's runner deploy jar which leaks Guava classes into the classpath and 41 // the compile testing tests. 42 .filter(jar -> !jar.contains("Runner_deploy.jar")) 43 .map(File::new) 44 .collect(collectingAndThen(toList(), ImmutableList::copyOf)); 45 46 static final ImmutableList<String> DEFAULT_JAVACOPTS = 47 ImmutableList.of("-Adagger.experimentalDaggerErrorMessages=enabled"); 48 49 /** 50 * Returns a compiler that runs the Dagger and {@code @AutoAnnotation} processors, along with 51 * extras. 52 */ daggerCompiler(Processor... extraProcessors)53 public static Compiler daggerCompiler(Processor... extraProcessors) { 54 ImmutableList.Builder<Processor> processors = ImmutableList.builder(); 55 processors.add(new ComponentProcessor(), new AutoAnnotationProcessor()); 56 processors.add(extraProcessors); 57 return javac().withProcessors(processors.build()).withOptions(DEFAULT_JAVACOPTS); 58 } 59 compilerWithOptions(CompilerMode... compilerModes)60 public static Compiler compilerWithOptions(CompilerMode... compilerModes) { 61 ImmutableList.Builder<String> options = ImmutableList.builder(); 62 for (CompilerMode compilerMode : compilerModes) { 63 options = options.addAll(compilerMode.javacopts()); 64 } 65 return compilerWithOptions(options.build()); 66 } 67 compilerWithOptions(String... options)68 public static Compiler compilerWithOptions(String... options) { 69 return compilerWithOptions(Arrays.asList(options)); 70 } 71 compilerWithOptions(Iterable<String> options)72 public static Compiler compilerWithOptions(Iterable<String> options) { 73 return daggerCompiler() 74 .withOptions(ImmutableList.builder().addAll(DEFAULT_JAVACOPTS).addAll(options).build()); 75 } 76 Compilers()77 private Compilers() {} 78 } 79