- /*
- * Copyright (C) 2015, Matthias Sohn <matthias.sohn@sap.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.lfs.lib;
-
- import static java.nio.charset.StandardCharsets.UTF_8;
- import static java.nio.charset.StandardCharsets.US_ASCII;
- 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.file.Files;
- import java.nio.file.Path;
- import java.util.Locale;
-
- import org.eclipse.jgit.junit.JGitTestUtil;
- import org.eclipse.jgit.lfs.errors.InvalidLongObjectIdException;
- import org.eclipse.jgit.lfs.test.LongObjectIdTestUtils;
- 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(Locale.ROOT), 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 = 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")));
- AnyLongObjectId self = id1;
- assertEquals(0, id1.compareTo(self));
-
- 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);
- try (OutputStreamWriter w = new OutputStreamWriter(os,
- UTF_8)) {
- id1.copyTo(w);
- }
- assertEquals(id1, LongObjectId.fromString(os.toByteArray(), 0));
- }
-
- @Test
- public void testCopyToWriterWithBuf() throws IOException {
- AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
- ByteArrayOutputStream os = new ByteArrayOutputStream(64);
- try (OutputStreamWriter w = new OutputStreamWriter(os,
- UTF_8)) {
- char[] buf = new char[64];
- id1.copyTo(buf, w);
- }
- 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());
- }
- }
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