/*
* Copyright 2013-present Facebook, Inc.
*
* 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.facebook.buck.shell;
import static org.hamcrest.Matchers.not;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assume.assumeThat;
import com.facebook.buck.io.ProjectFilesystem;
import com.facebook.buck.step.ExecutionContext;
import com.facebook.buck.step.TestExecutionContext;
import com.facebook.buck.testutil.integration.ProjectWorkspace;
import com.facebook.buck.testutil.integration.TemporaryPaths;
import com.facebook.buck.testutil.integration.TestDataHelper;
import com.facebook.buck.util.environment.Platform;
import com.google.common.collect.ImmutableSet;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import org.junit.Rule;
import org.junit.Test;
public class SymlinkFilesIntoDirectoryStepIntegrationTest {
@Rule public TemporaryPaths tmp = new TemporaryPaths();
/**
* Verifies that {@link SymlinkFilesIntoDirectoryStep} works correctly by symlinking files at
* various depth levels into an empty output directory.
*/
@Test
public void testSymlinkFilesIntoDirectory() throws InterruptedException, IOException {
ProjectWorkspace workspace =
TestDataHelper.createProjectWorkspaceForScenario(this, "symlink_files_into_directory", tmp);
workspace.setUp();
Path outputFolder = tmp.newFolder("output");
ProjectFilesystem projectFilesystem = new ProjectFilesystem(tmp.getRoot());
ExecutionContext executionContext = TestExecutionContext.newInstance();
SymlinkFilesIntoDirectoryStep symlinkStep =
new SymlinkFilesIntoDirectoryStep(
projectFilesystem,
tmp.getRoot(),
ImmutableSet.of(Paths.get("a.txt"), Paths.get("foo/b.txt"), Paths.get("foo/bar/c.txt")),
outputFolder);
int exitCode = symlinkStep.execute(executionContext).getExitCode();
assertEquals(0, exitCode);
// The remainder of the checks assert that we've created symlinks, which we may not have done
// on certain operating systems.
assumeThat(Platform.detect(), not(Platform.WINDOWS));
Path symlinkToADotTxt = tmp.getRoot().resolve("output/a.txt");
assertTrue(Files.isSymbolicLink(symlinkToADotTxt));
assertEquals(
projectFilesystem.resolve(Paths.get("a.txt")), Files.readSymbolicLink(symlinkToADotTxt));
Path symlinkToBDotTxt = tmp.getRoot().resolve("output/foo/b.txt");
assertTrue(Files.isSymbolicLink(symlinkToBDotTxt));
assertEquals(
projectFilesystem.resolve(Paths.get("foo/b.txt")),
Files.readSymbolicLink(symlinkToBDotTxt));
Path symlinkToCDotTxt = tmp.getRoot().resolve("output/foo/bar/c.txt");
assertTrue(Files.isSymbolicLink(symlinkToCDotTxt));
assertEquals(
projectFilesystem.resolve(Paths.get("foo/bar/c.txt")),
Files.readSymbolicLink(symlinkToCDotTxt));
}
}