/*
* Copyright (C) 2015, Matthias Sohn <matthias.sohn@sap.com>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.lfs.lib;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import org.eclipse.jgit.junit.JGitTestUtil;
import org.eclipse.jgit.lfs.errors.InvalidLongObjectIdException;
import org.eclipse.jgit.lfs.test.LongObjectIdTestUtils;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.util.FileUtils;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
/*
* Ported to SHA-256 from org.eclipse.jgit.lib.ObjectIdTest
*/
public class LongObjectIdTest {
private static Path tmp;
@BeforeClass
public static void setup() throws IOException {
tmp = Files.createTempDirectory("jgit_test_");
}
@AfterClass
public static void tearDown() throws IOException {
FileUtils.delete(tmp.toFile(), FileUtils.RECURSIVE | FileUtils.RETRY);
}
@Test
public void test001_toString() {
final String x = "8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0a";
final LongObjectId oid = LongObjectId.fromString(x);
assertEquals(x, oid.name());
}
@Test
public void test002_toString() {
final String x = "140ce71d628cceb78e3709940ba52a651a0c4a9c1400f2e15e998a1a43887edf";
final LongObjectId oid = LongObjectId.fromString(x);
assertEquals(x, oid.name());
}
@Test
public void test003_equals() {
final String x = "8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0a";
final LongObjectId a = LongObjectId.fromString(x);
final LongObjectId b = LongObjectId.fromString(x);
assertEquals(a.hashCode(), b.hashCode());
assertEquals("a and b should be equal", b, a);
}
@Test
public void test004_isId() {
assertTrue("valid id", LongObjectId.isId(
"8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0a"));
}
@Test
public void test005_notIsId() {
assertFalse("bob is not an id", LongObjectId.isId("bob"));
}
@Test
public void test006_notIsId() {
assertFalse("63 digits is not an id", LongObjectId.isId(
"8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0"));
}
@Test
public void test007_isId() {
assertTrue("uppercase is accepted", LongObjectId.isId(
"8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2dEb7ab0A"));
}
@Test
public void test008_notIsId() {
assertFalse("g is not a valid hex digit", LongObjectId.isId(
"g367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0a"));
}
@Test
public void test009_toString() {
final String x = "140ce71d628cceb78e3709940ba52a651a0c4a9c1400f2e15e998a1a43887edf";
final LongObjectId oid = LongObjectId.fromString(x);
assertEquals(x, LongObjectId.toString(oid));
}
@Test
public void test010_toString() {
final String x = "0000000000000000000000000000000000000000000000000000000000000000";
assertEquals(x, LongObjectId.toString(null));
}
@Test
public void test011_toString() {
final String x = "0123456789ABCDEFabcdef01234567890123456789ABCDEFabcdef0123456789";
final LongObjectId oid = LongObjectId.fromString(x);
assertEquals(x.toLowerCase(), oid.name());
}
@Test
public void testGetByte() {
byte[] raw = new byte[32];
for (int i = 0; i < 32; i++)
raw[i] = (byte) (0xa0 + i);
LongObjectId id = LongObjectId.fromRaw(raw);
assertEquals(raw[0] & 0xff, id.getFirstByte());
assertEquals(raw[0] & 0xff, id.getByte(0));
assertEquals(raw[1] & 0xff, id.getByte(1));
assertEquals(raw[1] & 0xff, id.getSecondByte());
for (int i = 2; i < 32; i++) {
assertEquals("index " + i, raw[i] & 0xff, id.getByte(i));
}
try {
id.getByte(32);
fail("LongObjectId has 32 byte only");
} catch (ArrayIndexOutOfBoundsException e) {
// expected
}
}
@Test
public void testSetByte() {
byte[] exp = new byte[32];
for (int i = 0; i < 32; i++) {
exp[i] = (byte) (0xa0 + i);
}
MutableLongObjectId id = new MutableLongObjectId();
id.fromRaw(exp);
assertEquals(LongObjectId.fromRaw(exp).name(), id.name());
id.setByte(0, 0x10);
assertEquals(0x10, id.getByte(0));
exp[0] = 0x10;
assertEquals(LongObjectId.fromRaw(exp).name(), id.name());
for (int p = 1; p < 32; p++) {
id.setByte(p, 0x10 + p);
assertEquals(0x10 + p, id.getByte(p));
exp[p] = (byte) (0x10 + p);
assertEquals(LongObjectId.fromRaw(exp).name(), id.name());
}
for (int p = 0; p < 32; p++) {
id.setByte(p, 0x80 + p);
assertEquals(0x80 + p, id.getByte(p));
exp[p] = (byte) (0x80 + p);
assertEquals(LongObjectId.fromRaw(exp).name(), id.name());
}
}
@Test
public void testZeroId() {
AnyLongObjectId zero = new LongObjectId(0L, 0L, 0L, 0L);
assertEquals(zero, LongObjectId.zeroId());
assertEquals(
"0000000000000000000000000000000000000000000000000000000000000000",
LongObjectId.zeroId().name());
}
@Test
public void testEquals() {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
assertTrue("id should equal itself", id1.equals(id1));
AnyLongObjectId id2 = new LongObjectId(id1);
assertEquals("objects should be equals", id1, id2);
id2 = LongObjectIdTestUtils.hash("other");
assertNotEquals("objects should be not equal", id1, id2);
}
@Test
public void testCopyRawBytes() {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
AnyLongObjectId id2 = new LongObjectId(id1);
byte[] buf = new byte[64];
id1.copyRawTo(buf, 0);
id2.copyRawTo(buf, 32);
assertTrue("objects should be equals",
LongObjectId.equals(buf, 0, buf, 32));
}
@Test
public void testCopyRawLongs() {
long[] a = new long[4];
a[0] = 1L;
a[1] = 2L;
a[2] = 3L;
a[3] = 4L;
AnyLongObjectId id1 = new LongObjectId(a[0], a[1], a[2], a[3]);
AnyLongObjectId id2 = LongObjectId.fromRaw(a);
assertEquals("objects should be equals", id1, id2);
}
@Test
public void testCopyFromStringInvalid() {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
try {
LongObjectId.fromString(id1.name() + "01234");
fail("expected InvalidLongObjectIdException");
} catch (InvalidLongObjectIdException e) {
assertEquals("Invalid id: " + id1.name() + "01234",
e.getMessage());
}
}
@Test
public void testCopyFromStringByte() {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
byte[] buf = new byte[64];
Charset cs = StandardCharsets.US_ASCII;
cs.encode(id1.name()).get(buf);
AnyLongObjectId id2 = LongObjectId.fromString(buf, 0);
assertEquals("objects should be equals", id1, id2);
}
@Test
public void testHashFile() throws IOException {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
Path f = tmp.resolve("test");
JGitTestUtil.write(f.toFile(), "test");
AnyLongObjectId id2 = LongObjectIdTestUtils.hash(f);
assertEquals("objects should be equals", id1, id2);
}
@Test
public void testCompareTo() {
AnyLongObjectId id1 = LongObjectId.fromString(
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef");
assertEquals(0, id1.compareTo(LongObjectId.fromString(
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")));
assertEquals(0, id1.compareTo(id1));
assertEquals(-1, id1.compareTo(LongObjectId.fromString(
"1123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")));
assertEquals(-1, id1.compareTo(LongObjectId.fromString(
"0123456789abcdef1123456789abcdef0123456789abcdef0123456789abcdef")));
assertEquals(-1, id1.compareTo(LongObjectId.fromString(
"0123456789abcdef0123456789abcdef1123456789abcdef0123456789abcdef")));
assertEquals(-1, id1.compareTo(LongObjectId.fromString(
"0123456789abcdef0123456789abcdef0123456789abcdef1123456789abcdef")));
assertEquals(1, id1.compareTo(LongObjectId.fromString(
"0023456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")));
assertEquals(1, id1.compareTo(LongObjectId.fromString(
"0123456789abcdef0023456789abcdef0123456789abcdef0123456789abcdef")));
assertEquals(1, id1.compareTo(LongObjectId.fromString(
"0123456789abcdef0123456789abcdef0023456789abcdef0123456789abcdef")));
assertEquals(1, id1.compareTo(LongObjectId.fromString(
"0123456789abcdef0123456789abcdef0123456789abcdef0023456789abcdef")));
}
@Test
public void testCompareToByte() {
AnyLongObjectId id1 = LongObjectId.fromString(
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef");
byte[] buf = new byte[32];
id1.copyRawTo(buf, 0);
assertEquals(0, id1.compareTo(buf, 0));
LongObjectId
.fromString(
"1123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
.copyRawTo(buf, 0);
assertEquals(-1, id1.compareTo(buf, 0));
LongObjectId
.fromString(
"0023456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
.copyRawTo(buf, 0);
assertEquals(1, id1.compareTo(buf, 0));
}
@Test
public void testCompareToLong() {
AnyLongObjectId id1 = new LongObjectId(1L, 2L, 3L, 4L);
long[] buf = new long[4];
id1.copyRawTo(buf, 0);
assertEquals(0, id1.compareTo(buf, 0));
new LongObjectId(2L, 2L, 3L, 4L).copyRawTo(buf, 0);
assertEquals(-1, id1.compareTo(buf, 0));
new LongObjectId(0L, 2L, 3L, 4L).copyRawTo(buf, 0);
assertEquals(1, id1.compareTo(buf, 0));
}
@Test
public void testCopyToByte() {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
byte[] buf = new byte[64];
id1.copyTo(buf, 0);
assertEquals(id1, LongObjectId.fromString(buf, 0));
}
@Test
public void testCopyRawToByteBuffer() {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
ByteBuffer buf = ByteBuffer.allocate(32);
id1.copyRawTo(buf);
assertEquals(id1, LongObjectId.fromRaw(buf.array(), 0));
}
@Test
public void testCopyToByteBuffer() {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
ByteBuffer buf = ByteBuffer.allocate(64);
id1.copyTo(buf);
assertEquals(id1, LongObjectId.fromString(buf.array(), 0));
}
@Test
public void testCopyRawToOutputStream() throws IOException {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
ByteArrayOutputStream os = new ByteArrayOutputStream(32);
id1.copyRawTo(os);
assertEquals(id1, LongObjectId.fromRaw(os.toByteArray(), 0));
}
@Test
public void testCopyToOutputStream() throws IOException {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
ByteArrayOutputStream os = new ByteArrayOutputStream(64);
id1.copyTo(os);
assertEquals(id1, LongObjectId.fromString(os.toByteArray(), 0));
}
@Test
public void testCopyToWriter() throws IOException {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
ByteArrayOutputStream os = new ByteArrayOutputStream(64);
OutputStreamWriter w = new OutputStreamWriter(os, Constants.CHARSET);
id1.copyTo(w);
w.close();
assertEquals(id1, LongObjectId.fromString(os.toByteArray(), 0));
}
@Test
public void testCopyToWriterWithBuf() throws IOException {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
ByteArrayOutputStream os = new ByteArrayOutputStream(64);
OutputStreamWriter w = new OutputStreamWriter(os, Constants.CHARSET);
char[] buf = new char[64];
id1.copyTo(buf, w);
w.close();
assertEquals(id1, LongObjectId.fromString(os.toByteArray(), 0));
}
@Test
public void testCopyToStringBuilder() {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
StringBuilder sb = new StringBuilder();
char[] buf = new char[64];
id1.copyTo(buf, sb);
assertEquals(id1, LongObjectId.fromString(sb.toString()));
}
@Test
public void testCopy() {
AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
assertEquals(id1.copy(), id1);
MutableLongObjectId id2 = new MutableLongObjectId();
id2.fromObjectId(id1);
assertEquals(id1, id2.copy());
}
}