| // Copyright 2023 The Bazel Authors. All rights reserved. |
| // |
| // 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.devtools.build.lib.skyframe.packages.testing; |
| |
| import com.google.common.base.StandardSystemProperty; |
| import com.google.common.eventbus.EventBus; |
| import com.google.devtools.build.lib.cmdline.PackageIdentifier; |
| import com.google.devtools.build.lib.events.PrintingEventHandler; |
| import com.google.devtools.build.lib.events.Reporter; |
| import com.google.devtools.build.lib.packages.Package; |
| import com.google.devtools.build.lib.packages.Target; |
| import com.google.devtools.build.lib.skyframe.packages.BazelPackageLoader; |
| import com.google.devtools.build.lib.skyframe.packages.PackageLoader; |
| import com.google.devtools.build.lib.unix.UnixFileSystem; |
| import com.google.devtools.build.lib.vfs.DigestHashFunction; |
| import com.google.devtools.build.lib.vfs.FileSystem; |
| import com.google.devtools.build.lib.vfs.Path; |
| import com.google.devtools.build.lib.vfs.Root; |
| |
| /** |
| * Simple main class for end-to-end testing of {@link BazelPackageLoader}. Prints target labels in |
| * packages specified as command line arguments. |
| * |
| * <p>See usage in src/test/shell/bazel/bazel_package_loader_test.sh. |
| */ |
| public final class BazelPackageLoaderTester { |
| |
| public static void main(String[] args) throws Exception { |
| String installBase = args[0]; |
| try (PackageLoader packageLoader = createPackageLoader(installBase)) { |
| for (int i = 1; i < args.length; i++) { |
| Package pkg = packageLoader.loadPackage(PackageIdentifier.createInMainRepo(args[i])); |
| pkg.getTargets().values().stream().map(Target::getLabel).forEach(System.out::println); |
| } |
| } |
| } |
| |
| private static PackageLoader createPackageLoader(String installBase) { |
| FileSystem fs = new UnixFileSystem(DigestHashFunction.SHA256, /* hashAttributeName= */ ""); |
| Root workspaceDir = Root.fromPath(fs.getPath(StandardSystemProperty.USER_DIR.value())); |
| Path installBasePath = fs.getPath(installBase); |
| return BazelPackageLoader.builder(workspaceDir, installBasePath, installBasePath) |
| .setFetchForTesting() |
| .useDefaultStarlarkSemantics() |
| .setCommonReporter(new Reporter(new EventBus(), PrintingEventHandler.ERRORS_TO_STDERR)) |
| .build(); |
| } |
| |
| private BazelPackageLoaderTester() {} |
| } |