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package org.glassfish.jersey.client;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
/**
* Tests several parsing use-cases of ChunkedInput
*
* @author Petr Bouda (petr.bouda at oracle.com)
**/
public class FixedMultiBoundaryParserTest {
public static final String DELIMITER_4 = "1234";
public static final String DELIMITER_1 = "#";
@Test
public void testFixedBoundaryParserNullInput() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser(DELIMITER_4);
InputStream input = new ByteArrayInputStream(new byte[] {});
assertNull(parser.readChunk(input));
}
@Test
public void testFixedBoundaryParserDelimiter4() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser(DELIMITER_4);
// delimiter is the same char sequence as an input
assertNull(parse(parser, DELIMITER_4));
// input starts with the delimiter
assertEquals("123", parse(parser, DELIMITER_4 + "123"));
// beginning of the input and delimiter are not the same
assertEquals("abc", parse(parser, "abc" + DELIMITER_4 + "def"));
// delimiter in the input is not complete, only partial
assertEquals("abc123", parse(parser, "abc123"));
// delimiter in the input is not complete, only partial,
// and then continue with a char which is not part of the
// delimiter
assertEquals("abc1235", parse(parser, "abc1235"));
// delimiter in the input is not complete, only partial,
// and then continue with a char which is part of the
// delimiter
assertEquals("abc1231", parse(parser, "abc1231"));
// input has the same beginning as the delimiter
assertEquals("12", parse(parser, "121234"));
// input ends with first char of delimiter
assertEquals("1231", parse(parser, "1231"));
}
@Test
public void testFixedBoundaryParserDelimiter1() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser(DELIMITER_1);
// delimiter is the same char sequence as an input
assertNull(parse(parser, DELIMITER_1));
// input starts with the delimiter
assertEquals("123", parse(parser, DELIMITER_1 + "123"));
// beginning of the input and delimiter are not the same
assertEquals("abc", parse(parser, "abc" + DELIMITER_1 + "def"));
// delimiter in the input is not complete, only partial
assertEquals("abc123", parse(parser, "abc123"));
}
@Test
public void delimiterWithRepeatedInitialCharacters() throws IOException {
ChunkParser parser = ChunkedInput.createMultiParser("**b**");
assertEquals("1*", parse(parser, "1***b**"));
}
private static String parse(ChunkParser parser, String str) throws IOException {
InputStream input = new ByteArrayInputStream(str.getBytes());
byte[] bytes = parser.readChunk(input);
return bytes == null ? null : new String(bytes);
}
@Test
public void testFixedBoundaryParserFlow() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser(DELIMITER_4);
String input = "abc" + DELIMITER_4 + "edf" + DELIMITER_4 + "ghi";
InputStream stream = new ByteArrayInputStream(input.getBytes());
byte[] bytes = parser.readChunk(stream);
assertEquals("abc", new String(bytes));
bytes = parser.readChunk(stream);
assertEquals("edf", new String(bytes));
bytes = parser.readChunk(stream);
assertEquals("ghi", new String(bytes));
}
@Test
public void testFixedBoundaryParserFlowDelimiterFirst() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser(DELIMITER_4);
String input = DELIMITER_4 + "edf" + DELIMITER_4 + "ghi";
InputStream stream = new ByteArrayInputStream(input.getBytes());
byte[] bytes = parser.readChunk(stream);
assertEquals("edf", new String(bytes));
bytes = parser.readChunk(stream);
assertEquals("ghi", new String(bytes));
}
@Test
public void testFixedBoundaryParserFlowDelimiterEnds() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser(DELIMITER_4);
String input = "abc" + DELIMITER_4 + "edf" + DELIMITER_4;
InputStream stream = new ByteArrayInputStream(input.getBytes());
byte[] bytes = parser.readChunk(stream);
assertEquals("abc", new String(bytes));
bytes = parser.readChunk(stream);
assertEquals("edf", new String(bytes));
}
@Test
public void testMultiFixedBoundaryParserCRLF() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser("\n\n", "\r\n\r\n");
String input = "abc" + "\r\n\r\n" + "edf" + "\r\n\r\n";
InputStream stream = new ByteArrayInputStream(input.getBytes());
byte[] bytes = parser.readChunk(stream);
assertEquals("abc", new String(bytes));
bytes = parser.readChunk(stream);
assertEquals("edf", new String(bytes));
}
@Test
public void testMultiFixedBoundaryParserCRLFStart() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser("\n\n", "\r\n\r\n");
String input = "\r\n\r\n" + "edf" + "\r\n\r\n";
InputStream stream = new ByteArrayInputStream(input.getBytes());
byte[] bytes = parser.readChunk(stream);
assertEquals("edf", new String(bytes));
}
@Test
public void testMultiFixedBoundaryParserLF() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser("\n\n", "\r\n\r\n");
String input = "\n\n" + "abc" + "\n\n";
InputStream stream = new ByteArrayInputStream(input.getBytes());
byte[] bytes = parser.readChunk(stream);
assertEquals("abc", new String(bytes));
}
@Test
public void testMultiFixedBoundaryParserCRLFwithLF() throws IOException {
final ChunkParser parser = ChunkedInput.createMultiParser("\n\n", "\r\n\r\n");
String input = "abc" + "\r\n\r\n" + "edf" + "\n\n" + "ghi";
InputStream stream = new ByteArrayInputStream(input.getBytes());
byte[] bytes = parser.readChunk(stream);
assertEquals("abc", new String(bytes));
bytes = parser.readChunk(stream);
assertEquals("edf", new String(bytes));
bytes = parser.readChunk(stream);
assertEquals("ghi", new String(bytes));
}
}