mirror of
https://github.com/google/nomulus.git
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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
265 lines
10 KiB
Java
265 lines
10 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.util;
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import static com.google.common.truth.Truth.assertThat;
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import static com.google.common.truth.Truth.assertWithMessage;
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import static google.registry.testing.SystemInfo.hasCommand;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import static org.junit.Assume.assumeTrue;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.io.CharStreams;
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import com.google.common.io.Files;
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import org.junit.Ignore;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.rules.TemporaryFolder;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.InputStreamReader;
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import java.util.Map;
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import java.util.Random;
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import java.util.Set;
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/** System integration tests for {@link PosixTarHeader}. */
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@RunWith(JUnit4.class)
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public class PosixTarHeaderSystemTest {
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@Rule
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public final TemporaryFolder folder = new TemporaryFolder();
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@Test
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@Ignore
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public void testCreateSingleFileArchive() throws Exception {
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assumeTrue(hasCommand("tar"));
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// We have some data (in memory) that we'll call hello.txt.
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String fileName = "hello.txt";
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byte[] fileData = "hello world\n".getBytes();
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// We're going to put it in a new tar archive (on the filesystem) named hello.tar.
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String tarName = "hello.tar";
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File tarFile = folder.newFile(tarName);
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try (FileOutputStream output = new FileOutputStream(tarFile)) {
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output.write(new PosixTarHeader.Builder()
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.setName(fileName)
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.setSize(fileData.length)
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.build()
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.getBytes());
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output.write(fileData);
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output.write(new byte[512 - fileData.length % 512]); // Align with 512-byte block size.
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output.write(new byte[1024]); // Bunch of null bytes to indicate end of archive.
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}
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assertThat(tarFile.length() % 512).isEqualTo(0);
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assertThat(tarFile.length() / 512).isEqualTo(2 + 2);
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// Now we run the system's tar command to extract our file.
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String[] cmd = {"tar", "-xf", tarName};
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String[] env = {"PATH=" + System.getenv("PATH")};
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File cwd = folder.getRoot();
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Process pid = Runtime.getRuntime().exec(cmd, env, cwd);
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String err = CharStreams.toString(new InputStreamReader(pid.getErrorStream(), UTF_8));
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assertThat(pid.waitFor()).isEqualTo(0);
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assertThat(err.trim()).isEmpty();
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// And verify that hello.txt came out.
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File dataFile = new File(cwd, fileName);
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assertThat(dataFile.exists()).isTrue();
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assertThat(dataFile.isFile()).isTrue();
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assertThat(Files.asByteSource(dataFile).read()).isEqualTo(fileData);
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// And that nothing else came out.
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Set<String> expectedFiles = ImmutableSet.of(tarName, fileName);
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assertThat(ImmutableSet.copyOf(folder.getRoot().list())).isEqualTo(expectedFiles);
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}
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@Test
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@Ignore
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public void testCreateMultiFileArchive() throws Exception {
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assumeTrue(hasCommand("tar"));
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Map<String, String> files = ImmutableMap.of(
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"one.txt", ""
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+ "There is data on line one\n"
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+ "and on line two\n"
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+ "and on line three\n",
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"two.txt", ""
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+ "There is even more data\n"
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+ "in this second file\n"
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+ "with its own three lines\n",
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"subdir/three.txt", ""
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+ "More data\n"
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+ "but only two lines\n");
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String tarName = "hello.tar";
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File tarFile = folder.newFile(tarName);
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try (FileOutputStream output = new FileOutputStream(tarFile)) {
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for (String name : files.keySet()) {
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byte[] data = files.get(name).getBytes(UTF_8);
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output.write(new PosixTarHeader.Builder()
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.setName(name)
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.setSize(data.length)
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.build()
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.getBytes());
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output.write(data);
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output.write(new byte[512 - data.length % 512]);
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}
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output.write(new byte[1024]);
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}
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assertThat(tarFile.length() % 512).isEqualTo(0);
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assertThat(tarFile.length() / 512).isEqualTo(files.size() * 2 + 2);
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String[] cmd = {"tar", "-xf", tarName};
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String[] env = {"PATH=" + System.getenv("PATH")};
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File cwd = folder.getRoot();
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Process pid = Runtime.getRuntime().exec(cmd, env, cwd);
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String err = CharStreams.toString(new InputStreamReader(pid.getErrorStream(), UTF_8));
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assertThat(pid.waitFor()).isEqualTo(0);
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assertThat(err.trim()).isEmpty();
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for (String name : files.keySet()) {
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File file = new File(folder.getRoot(), name);
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assertThat(file.exists()).named(name + " exists").isTrue();
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assertThat(file.isFile()).named(name + " is a file").isTrue();
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byte[] data = files.get(name).getBytes(UTF_8);
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assertThat(Files.asByteSource(file).read()).isEqualTo(data);
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}
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}
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@Test
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@Ignore
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public void testReadArchiveUstar() throws Exception {
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assumeTrue(hasCommand("tar"));
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String one = "the first line";
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String two = "the second line";
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File cwd = folder.getRoot();
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Files.write(one.getBytes(), new File(cwd, "one"));
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Files.write(two.getBytes(), new File(cwd, "two"));
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String[] cmd = {"tar", "--format=ustar", "-cf", "lines.tar", "one", "two"};
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String[] env = {"PATH=" + System.getenv("PATH")};
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Process pid = Runtime.getRuntime().exec(cmd, env, cwd);
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String err = CharStreams.toString(new InputStreamReader(pid.getErrorStream(), UTF_8));
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assertThat(pid.waitFor()).isEqualTo(0);
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assertThat(err.trim()).isEmpty();
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PosixTarHeader header;
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byte[] block = new byte[512];
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try (FileInputStream input = new FileInputStream(new File(cwd, "lines.tar"))) {
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assertThat(input.read(block)).isEqualTo(512);
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header = PosixTarHeader.from(block);
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assertThat(header.getType()).isEqualTo(PosixTarHeader.Type.REGULAR);
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assertThat(header.getName()).isEqualTo("one");
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assertThat(header.getSize()).isEqualTo(one.length());
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assertThat(input.read(block)).isEqualTo(512);
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assertThat(one).isEqualTo(new String(block, 0, one.length()));
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assertThat(input.read(block)).isEqualTo(512);
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header = PosixTarHeader.from(block);
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assertThat(header.getType()).isEqualTo(PosixTarHeader.Type.REGULAR);
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assertThat(header.getName()).isEqualTo("two");
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assertThat(header.getSize()).isEqualTo(two.length());
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assertThat(input.read(block)).isEqualTo(512);
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assertThat(two).isEqualTo(new String(block, 0, two.length()));
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assertThat(input.read(block)).isEqualTo(512);
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assertWithMessage("End of archive marker corrupt").that(block).isEqualTo(new byte[512]);
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assertThat(input.read(block)).isEqualTo(512);
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assertWithMessage("End of archive marker corrupt").that(block).isEqualTo(new byte[512]);
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}
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}
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@Test
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@Ignore
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public void testReadArchiveDefaultFormat() throws Exception {
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assumeTrue(hasCommand("tar"));
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String truth = "No one really knows\n";
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Files.write(truth.getBytes(), folder.newFile("truth.txt"));
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String[] cmd = {"tar", "-cf", "steam.tar", "truth.txt"};
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String[] env = {"PATH=" + System.getenv("PATH")};
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File cwd = folder.getRoot();
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Process pid = Runtime.getRuntime().exec(cmd, env, cwd);
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String err = CharStreams.toString(new InputStreamReader(pid.getErrorStream(), UTF_8));
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assertThat(pid.waitFor()).isEqualTo(0);
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assertThat(err.trim()).isEmpty();
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PosixTarHeader header;
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byte[] block = new byte[512];
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try (FileInputStream input = new FileInputStream(new File(cwd, "steam.tar"))) {
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assertThat(input.read(block)).isEqualTo(512);
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header = PosixTarHeader.from(block);
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assertThat(header.getType()).isEqualTo(PosixTarHeader.Type.REGULAR);
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assertThat(header.getName()).isEqualTo("truth.txt");
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assertThat(header.getSize()).isEqualTo(truth.length());
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assertThat(input.read(block)).isEqualTo(512);
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assertThat(truth).isEqualTo(new String(block, 0, truth.length()));
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assertThat(input.read(block)).isEqualTo(512);
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assertWithMessage("End of archive marker corrupt").that(block).isEqualTo(new byte[512]);
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assertThat(input.read(block)).isEqualTo(512);
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assertWithMessage("End of archive marker corrupt").that(block).isEqualTo(new byte[512]);
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}
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}
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@Test
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@Ignore
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public void testCreateBigWebScaleData() throws Exception {
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assumeTrue(hasCommand("tar"));
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String name = "rando_numberissian.mov";
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byte[] data = new byte[4 * 1024 * 1024];
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Random rand = new Random();
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rand.nextBytes(data);
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String tarName = "occupy.tar";
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File tarFile = folder.newFile(tarName);
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try (FileOutputStream output = new FileOutputStream(tarFile)) {
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output.write(new PosixTarHeader.Builder()
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.setName(name)
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.setSize(data.length)
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.build()
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.getBytes());
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output.write(data);
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output.write(new byte[1024]);
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}
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assertThat(tarFile.length() % 512).isEqualTo(0);
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String[] cmd = {"tar", "-xf", tarName};
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String[] env = {"PATH=" + System.getenv("PATH")};
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File cwd = folder.getRoot();
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Process pid = Runtime.getRuntime().exec(cmd, env, cwd);
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String err = CharStreams.toString(new InputStreamReader(pid.getErrorStream(), UTF_8));
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assertThat(pid.waitFor()).isEqualTo(0);
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assertThat(err.trim()).isEmpty();
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File dataFile = new File(cwd, name);
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assertThat(dataFile.exists()).isTrue();
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assertThat(dataFile.isFile()).isTrue();
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assertThat(Files.asByteSource(dataFile).read()).isEqualTo(data);
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Set<String> expectedFiles = ImmutableSet.of(tarName, name);
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assertThat(ImmutableSet.copyOf(folder.getRoot().list())).isEqualTo(expectedFiles);
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}
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}
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