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/*
* Copyright (C) 2024, GerritForge Inc. 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.internal.storage.midx;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThrows;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.eclipse.jgit.internal.storage.file.PackIndex;
import org.eclipse.jgit.junit.FakeIndexFactory;
import org.eclipse.jgit.junit.JGitTestUtil;
import org.eclipse.jgit.lib.NullProgressMonitor;
import org.junit.Test;
/**
* Test that the loader accepts valid files, discard broken files
* <p>
* Contents and lookups are covered in the MultiPackIndexTest
*/
public class MultiPackIndexLoaderTest {
@Test
public void load_validFile_basic_upstream() throws Exception {
MultiPackIndex midx = MultiPackIndexLoader
.open(JGitTestUtil.getTestResourceFile("multi-pack-index.v1"));
assertNotNull(midx);
}
@Test
public void load_validFile_basic_jgit() throws Exception {
PackIndex idxOne = FakeIndexFactory.indexOf(List.of(
new FakeIndexFactory.IndexObject(
"0000000000000000000000000000000000000001", 500),
new FakeIndexFactory.IndexObject(
"0000000000000000000000000000000000000005", 12),
new FakeIndexFactory.IndexObject(
"0000000000000000000000000000000000000010", 1500)));
PackIndex idxTwo = FakeIndexFactory.indexOf(List.of(
new FakeIndexFactory.IndexObject(
"0000000000000000000000000000000000000002", 501),
new FakeIndexFactory.IndexObject(
"0000000000000000000000000000000000000003", 13),
new FakeIndexFactory.IndexObject(
"0000000000000000000000000000000000000015", 1501)));
PackIndex idxThree = FakeIndexFactory.indexOf(List.of(
new FakeIndexFactory.IndexObject(
"0000000000000000000000000000000000000004", 502),
new FakeIndexFactory.IndexObject(
"0000000000000000000000000000000000000007", 14),
new FakeIndexFactory.IndexObject(
"0000000000000000000000000000000000000012", 1502)));
Map<String, PackIndex> packs = Map.of("p1", idxOne, "p2", idxTwo, "p3",
idxThree);
MultiPackIndexWriter writer = new MultiPackIndexWriter();
ByteArrayOutputStream out = new ByteArrayOutputStream();
writer.write(NullProgressMonitor.INSTANCE, out, packs);
MultiPackIndex midx = MultiPackIndexLoader
.read(new ByteArrayInputStream(out.toByteArray()));
assertNotNull(midx);
}
@Test
public void load_emptyFile() {
assertThrows(IOException.class, () -> MultiPackIndexLoader
.read(new ByteArrayInputStream(new byte[0])));
}
@Test
public void load_rubbishFile() {
assertThrows(MultiPackIndexLoader.MultiPackIndexFormatException.class,
() -> MultiPackIndexLoader.read(new ByteArrayInputStream(
"More than 12 bytes of not-midx".getBytes(UTF_8))));
}
}
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