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package com.yahoo.compress;
import com.yahoo.compress.ArchiveStreamReader.Options;
import com.yahoo.yolean.Exceptions;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveOutputStream;
import org.junit.jupiter.api.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UncheckedIOException;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author mpolden
*/
class ArchiveStreamReaderTest {
@Test
void reading() {
Map<String, String> zipContents = Map.of("foo", "contents of foo",
"bar", "contents of bar",
"baz", "0".repeat(2049));
ArchiveStreamReader reader = ArchiveStreamReader.ofZip(zip(zipContents), Options.standard());
ArchiveStreamReader.ArchiveFile file;
Map<String, String> extracted = new HashMap<>();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
while ((file = reader.readNextTo(baos)) != null) {
extracted.put(file.path().toString(), baos.toString(StandardCharsets.UTF_8));
baos.reset();
}
assertEquals(zipContents, extracted);
}
private static InputStream zip(Map<String, String> entries) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ZipArchiveOutputStream archiveOutputStream = null;
try {
archiveOutputStream = new ZipArchiveOutputStream(baos);
for (var kv : entries.entrySet()) {
String entryName = kv.getKey();
String contents = kv.getValue();
ZipArchiveEntry entry = new ZipArchiveEntry(entryName);
archiveOutputStream.putArchiveEntry(entry);
archiveOutputStream.write(contents.getBytes(StandardCharsets.UTF_8));
archiveOutputStream.closeArchiveEntry();
}
} catch (IOException e) {
throw new UncheckedIOException(e);
} finally {
if (archiveOutputStream != null) Exceptions.uncheck(archiveOutputStream::close);
}
return new ByteArrayInputStream(baos.toByteArray());
}
}
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