You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.5 KiB
80 lines
2.5 KiB
/*
|
|
* Copyright (C) 2020 The Dagger Authors.
|
|
*
|
|
* 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 dagger.testing.compile;
|
|
|
|
import static com.google.common.base.Strings.isNullOrEmpty;
|
|
import static com.google.common.collect.MoreCollectors.onlyElement;
|
|
import static com.google.common.collect.Streams.stream;
|
|
import static com.google.testing.compile.Compiler.javac;
|
|
|
|
import com.google.common.collect.ImmutableList;
|
|
import com.google.common.io.Files;
|
|
import com.google.testing.compile.Compiler;
|
|
import java.io.File;
|
|
import java.nio.file.Path;
|
|
import java.nio.file.Paths;
|
|
import java.util.Map;
|
|
import java.util.NoSuchElementException;
|
|
|
|
/**
|
|
* A helper class for working with java compiler tests.
|
|
*/
|
|
public final class CompilerTests {
|
|
private CompilerTests() {}
|
|
|
|
/** Returns the {@plainlink File jar file} containing the compiler deps. */
|
|
public static File compilerDepsJar() {
|
|
try {
|
|
return stream(Files.fileTraverser().breadthFirst(getRunfilesDir()))
|
|
.filter(file -> file.getName().endsWith("_compiler_deps_deploy.jar"))
|
|
.collect(onlyElement());
|
|
} catch (NoSuchElementException e) {
|
|
throw new IllegalStateException(
|
|
"No compiler deps jar found. Are you using the Dagger compiler_test macro?", e);
|
|
}
|
|
}
|
|
|
|
/** Returns a {@link Compiler} with the compiler deps jar added to the class path. */
|
|
public static Compiler compiler() {
|
|
return javac().withClasspath(ImmutableList.of(compilerDepsJar()));
|
|
}
|
|
|
|
private static File getRunfilesDir() {
|
|
return getRunfilesPath().toFile();
|
|
}
|
|
|
|
private static Path getRunfilesPath() {
|
|
Path propPath = getRunfilesPath(System.getProperties());
|
|
if (propPath != null) {
|
|
return propPath;
|
|
}
|
|
|
|
Path envPath = getRunfilesPath(System.getenv());
|
|
if (envPath != null) {
|
|
return envPath;
|
|
}
|
|
|
|
Path cwd = Paths.get("").toAbsolutePath();
|
|
return cwd.getParent();
|
|
}
|
|
|
|
private static Path getRunfilesPath(Map<?, ?> map) {
|
|
String runfilesPath = (String) map.get("TEST_SRCDIR");
|
|
return isNullOrEmpty(runfilesPath) ? null : Paths.get(runfilesPath);
|
|
}
|
|
}
|