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/*
* Copyright (C) 2011, 2024 Leonard Broman <leonard.broman@gmail.com> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.fail;
import java.nio.charset.Charset;
import java.nio.charset.UnsupportedCharsetException;
import java.util.List;
import org.eclipse.jgit.lib.Constants;
import org.junit.Test;
import static java.nio.charset.StandardCharsets.UTF_8;
public class RawParseUtilsTest {
String commit = "tree e3a1035abd2b319bb01e57d69b0ba6cab289297e\n" +
"parent 54e895b87c0768d2317a2b17062e3ad9f76a8105\n" +
"committer A U Thor <author@example.com> 1528968566 +0200\n" +
"gpgsig -----BEGIN PGP SIGNATURE-----\n" +
" \n" +
" wsBcBAABCAAQBQJbGB4pCRBK7hj4Ov3rIwAAdHIIAENrvz23867ZgqrmyPemBEZP\n" +
" U24B1Tlq/DWvce2buaxmbNQngKZ0pv2s8VMc11916WfTIC9EKvioatmpjduWvhqj\n" +
" znQTFyiMor30pyYsfrqFuQZvqBW01o8GEWqLg8zjf9Rf0R3LlOEw86aT8CdHRlm6\n" +
" wlb22xb8qoX4RB+LYfz7MhK5F+yLOPXZdJnAVbuyoMGRnDpwdzjL5Hj671+XJxN5\n" +
" SasRdhxkkfw/ZnHxaKEc4juMz8Nziz27elRwhOQqlTYoXNJnsV//wy5Losd7aKi1\n" +
" xXXyUpndEOmT0CIcKHrN/kbYoVL28OJaxoBuva3WYQaRrzEe3X02NMxZe9gkSqA=\n" +
" =TClh\n" +
" -----END PGP SIGNATURE-----\n" +
"some other header\n\n" +
"commit message";
@Test
public void testParseEncoding_ISO8859_1_encoding() {
Charset result = RawParseUtils.parseEncoding(Constants
.encodeASCII("encoding ISO-8859-1\n"));
assertNotNull(result);
}
@Test
public void testParseEncoding_Accept_Latin_One_AsISO8859_1() {
Charset result = RawParseUtils.parseEncoding(Constants
.encodeASCII("encoding latin-1\n"));
assertNotNull(result);
assertEquals("ISO-8859-1", result.name());
}
@Test
public void testParseEncoding_badEncoding() {
try {
RawParseUtils.parseEncoding(Constants.encodeASCII("encoding xyz\n"));
fail("should throw an UnsupportedCharsetException: xyz");
} catch (UnsupportedCharsetException e) {
assertEquals("xyz", e.getMessage());
}
}
@Test
public void testHeaderStart() {
byte[] headerName = "some".getBytes(UTF_8);
byte[] commitBytes = commit.getBytes(UTF_8);
assertEquals(627,
RawParseUtils.headerStart(headerName, commitBytes, 0));
assertEquals(627,
RawParseUtils.headerStart(headerName, commitBytes, 4));
byte[] missingHeaderName = "missing".getBytes(UTF_8);
assertEquals(-1, RawParseUtils.headerStart(missingHeaderName,
commitBytes, 0));
byte[] fauxHeaderName = "other".getBytes(UTF_8);
assertEquals(-1, RawParseUtils.headerStart(fauxHeaderName, commitBytes,
627 + 4));
}
@Test
public void testHeaderEnd() {
byte[] commitBytes = commit.getBytes(UTF_8);
int[] expected = new int[] { 45, 93, 150, 621, 639 };
int start = 0;
for (int i = 0; i < expected.length; i++) {
start = RawParseUtils.headerEnd(commitBytes, start);
assertEquals(expected[i], start);
start += 1;
}
}
@Test
public void testHeaderValue() {
byte[] commitBytes = commit.getBytes(UTF_8);
List<String> headers = List.of(
"e3a1035abd2b319bb01e57d69b0ba6cab289297e",
"54e895b87c0768d2317a2b17062e3ad9f76a8105",
"A U Thor <author@example.com> 1528968566 +0200",
"-----BEGIN PGP SIGNATURE-----\n"
+ "\n"
+ "wsBcBAABCAAQBQJbGB4pCRBK7hj4Ov3rIwAAdHIIAENrvz23867ZgqrmyPemBEZP\n"
+ "U24B1Tlq/DWvce2buaxmbNQngKZ0pv2s8VMc11916WfTIC9EKvioatmpjduWvhqj\n"
+ "znQTFyiMor30pyYsfrqFuQZvqBW01o8GEWqLg8zjf9Rf0R3LlOEw86aT8CdHRlm6\n"
+ "wlb22xb8qoX4RB+LYfz7MhK5F+yLOPXZdJnAVbuyoMGRnDpwdzjL5Hj671+XJxN5\n"
+ "SasRdhxkkfw/ZnHxaKEc4juMz8Nziz27elRwhOQqlTYoXNJnsV//wy5Losd7aKi1\n"
+ "xXXyUpndEOmT0CIcKHrN/kbYoVL28OJaxoBuva3WYQaRrzEe3X02NMxZe9gkSqA=\n"
+ "=TClh\n"
+ "-----END PGP SIGNATURE-----",
"other header");
int start = 0;
for (String header : headers) {
int endOfTag = RawParseUtils.next(commitBytes, start, ' ');
int end = RawParseUtils.headerEnd(commitBytes, start);
assertEquals(header, new String(
RawParseUtils.headerValue(commitBytes, endOfTag, end),
UTF_8));
start = end + 1;
}
}
@Test
public void testLastHeaderEnd() {
byte[] raw = "headerA A header\nheaderB Another header".getBytes(UTF_8);
int bStart = RawParseUtils.headerStart("headerB".getBytes(UTF_8), raw,
0);
assertEquals(25, bStart);
int bEnd = RawParseUtils.nextLfSkippingSplitLines(raw, bStart);
assertEquals(raw.length, bEnd);
}
}
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