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/*
* Copyright (c) 2021 Qualcomm Innovation Center, Inc.
* 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 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.internal.storage.file;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThrows;
import static org.junit.Assert.assertTrue;
import java.io.File;
import org.eclipse.jgit.internal.storage.pack.PackExt;
import org.eclipse.jgit.lib.ObjectId;
import org.junit.Test;
public class PackFileTest {
private static final ObjectId TEST_OID = ObjectId
.fromString("0123456789012345678901234567890123456789");
private static final String TEST_ID = TEST_OID.name();
private static final String PREFIX = "pack-";
private static final String OLD_PREFIX = "old-";
private static final String OLD_PACK = PREFIX + TEST_ID + "." + OLD_PREFIX
+ PackExt.PACK.getExtension();
private static final File TEST_PACK_DIR = new File(
"/path/to/repo.git/objects/pack");
private static final File TEST_PRESERVED_DIR = new File(TEST_PACK_DIR,
"preserved");
private static final PackFile TEST_PACKFILE_NO_EXT = new PackFile(
new File(TEST_PACK_DIR, PREFIX + TEST_ID));
@Test
public void objectsAreSameFromAnyConstructor() throws Exception {
String name = PREFIX + TEST_ID + "." + PackExt.PACK.getExtension();
File pack = new File(TEST_PACK_DIR, name);
PackFile pf = new PackFile(pack);
PackFile pfFromDirAndName = new PackFile(TEST_PACK_DIR, name);
assertPackFilesEqual(pf, pfFromDirAndName);
PackFile pfFromOIdAndExt = new PackFile(TEST_PACK_DIR, TEST_OID,
PackExt.PACK);
assertPackFilesEqual(pf, pfFromOIdAndExt);
PackFile pfFromIdAndExt = new PackFile(TEST_PACK_DIR, TEST_ID,
PackExt.PACK);
assertPackFilesEqual(pf, pfFromIdAndExt);
}
@Test
public void idIsSameFromFileWithOrWithoutExt() throws Exception {
PackFile packWithExt = new PackFile(new File(TEST_PACK_DIR,
PREFIX + TEST_ID + "." + PackExt.PACK.getExtension()));
assertEquals(packWithExt.getId(), TEST_PACKFILE_NO_EXT.getId());
}
@Test
public void idIsSameFromFileWithOrWithoutPrefix() throws Exception {
PackFile packWithoutPrefix = new PackFile(
new File(TEST_PACK_DIR, TEST_ID));
assertEquals(packWithoutPrefix.getId(), TEST_PACKFILE_NO_EXT.getId());
}
@Test
public void canCreatePreservedFromFile() throws Exception {
PackFile preserved = new PackFile(
new File(TEST_PRESERVED_DIR, OLD_PACK));
assertTrue(preserved.getName().contains(OLD_PACK));
assertEquals(preserved.getId(), TEST_ID);
assertEquals(preserved.getPackExt(), PackExt.PACK);
}
@Test
public void canCreatePreservedFromDirAndName() throws Exception {
PackFile preserved = new PackFile(TEST_PRESERVED_DIR, OLD_PACK);
assertTrue(preserved.getName().contains(OLD_PACK));
assertEquals(preserved.getId(), TEST_ID);
assertEquals(preserved.getPackExt(), PackExt.PACK);
}
@Test
public void cannotCreatePreservedNoExtFromNonPreservedNoExt()
throws Exception {
assertThrows(IllegalArgumentException.class, () -> TEST_PACKFILE_NO_EXT
.createPreservedForDirectory(TEST_PRESERVED_DIR));
}
@Test
public void canCreateAnyExtFromAnyExt() throws Exception {
for (PackExt from : PackExt.values()) {
PackFile dotFrom = TEST_PACKFILE_NO_EXT.create(from);
for (PackExt to : PackExt.values()) {
PackFile dotTo = dotFrom.create(to);
File expected = new File(TEST_PACK_DIR,
PREFIX + TEST_ID + "." + to.getExtension());
assertEquals(dotTo.getPackExt(), to);
assertEquals(dotFrom.getId(), dotTo.getId());
assertEquals(expected.getName(), dotTo.getName());
}
}
}
@Test
public void canCreatePreservedFromAnyExt() throws Exception {
for (PackExt ext : PackExt.values()) {
PackFile nonPreserved = TEST_PACKFILE_NO_EXT.create(ext);
PackFile preserved = nonPreserved
.createPreservedForDirectory(TEST_PRESERVED_DIR);
File expected = new File(TEST_PRESERVED_DIR,
PREFIX + TEST_ID + "." + OLD_PREFIX + ext.getExtension());
assertEquals(preserved.getName(), expected.getName());
assertEquals(preserved.getId(), TEST_ID);
assertEquals(preserved.getPackExt(), nonPreserved.getPackExt());
}
}
@Test
public void canCreateAnyPreservedExtFromAnyPreservedExt() throws Exception {
// Preserved PackFiles must have an extension
PackFile preserved = new PackFile(TEST_PRESERVED_DIR, OLD_PACK);
for (PackExt from : PackExt.values()) {
PackFile preservedWithExt = preserved.create(from);
for (PackExt to : PackExt.values()) {
PackFile preservedNewExt = preservedWithExt.create(to);
File expected = new File(TEST_PRESERVED_DIR, PREFIX + TEST_ID
+ "." + OLD_PREFIX + to.getExtension());
assertEquals(preservedNewExt.getPackExt(), to);
assertEquals(preservedWithExt.getId(), preservedNewExt.getId());
assertEquals(preservedNewExt.getName(), expected.getName());
}
}
}
@Test
public void canCreateNonPreservedFromAnyPreservedExt() throws Exception {
// Preserved PackFiles must have an extension
PackFile preserved = new PackFile(TEST_PRESERVED_DIR, OLD_PACK);
for (PackExt ext : PackExt.values()) {
PackFile preservedWithExt = preserved.create(ext);
PackFile nonPreserved = preservedWithExt
.createForDirectory(TEST_PACK_DIR);
File expected = new File(TEST_PACK_DIR,
PREFIX + TEST_ID + "." + ext.getExtension());
assertEquals(nonPreserved.getName(), expected.getName());
assertEquals(nonPreserved.getId(), TEST_ID);
assertEquals(nonPreserved.getPackExt(),
preservedWithExt.getPackExt());
}
}
private void assertPackFilesEqual(PackFile p1, PackFile p2) {
// for test purposes, considered equal if id, name, and ext are equal
assertEquals(p1.getId(), p2.getId());
assertEquals(p1.getPackExt(), p2.getPackExt());
assertEquals(p1.getName(), p2.getName());
}
}
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