| /* |
| * Copyright (C) 2008, Marek Zawirski <marek.zawirski@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.internal.storage.file; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.fail; |
| |
| import java.io.File; |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| |
| import org.eclipse.jgit.errors.MissingObjectException; |
| import org.eclipse.jgit.internal.storage.file.PackIndex.MutableEntry; |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.junit.Test; |
| |
| public abstract class PackIndexTestCase extends RepositoryTestCase { |
| |
| PackIndex smallIdx; |
| |
| PackIndex denseIdx; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| smallIdx = PackIndex.open(getFileForPack34be9032()); |
| denseIdx = PackIndex.open(getFileForPackdf2982f28()); |
| } |
| |
| /** |
| * Return file with appropriate index version for prepared pack. |
| * |
| * @return file with index |
| */ |
| public abstract File getFileForPack34be9032(); |
| |
| /** |
| * Return file with appropriate index version for prepared pack. |
| * |
| * @return file with index |
| */ |
| public abstract File getFileForPackdf2982f28(); |
| |
| /** |
| * Verify CRC32 support. |
| * |
| * @throws MissingObjectException |
| * @throws UnsupportedOperationException |
| */ |
| public abstract void testCRC32() throws MissingObjectException, |
| UnsupportedOperationException; |
| |
| /** |
| * Test contracts of Iterator methods and this implementation remove() |
| * limitations. |
| */ |
| @Test |
| public void testIteratorMethodsContract() { |
| Iterator<PackIndex.MutableEntry> iter = smallIdx.iterator(); |
| while (iter.hasNext()) { |
| iter.next(); |
| } |
| |
| try { |
| iter.next(); |
| fail("next() unexpectedly returned element"); |
| } catch (NoSuchElementException x) { |
| // expected |
| } |
| |
| try { |
| iter.remove(); |
| fail("remove() shouldn't be implemented"); |
| } catch (UnsupportedOperationException x) { |
| // expected |
| } |
| } |
| |
| /** |
| * Test results of iterator comparing to content of well-known (prepared) |
| * small index. |
| */ |
| @Test |
| public void testIteratorReturnedValues1() { |
| Iterator<PackIndex.MutableEntry> iter = smallIdx.iterator(); |
| assertEquals("4b825dc642cb6eb9a060e54bf8d69288fbee4904", iter.next() |
| .name()); |
| assertEquals("540a36d136cf413e4b064c2b0e0a4db60f77feab", iter.next() |
| .name()); |
| assertEquals("5b6e7c66c276e7610d4a73c70ec1a1f7c1003259", iter.next() |
| .name()); |
| assertEquals("6ff87c4664981e4397625791c8ea3bbb5f2279a3", iter.next() |
| .name()); |
| assertEquals("82c6b885ff600be425b4ea96dee75dca255b69e7", iter.next() |
| .name()); |
| assertEquals("902d5476fa249b7abc9d84c611577a81381f0327", iter.next() |
| .name()); |
| assertEquals("aabf2ffaec9b497f0950352b3e582d73035c2035", iter.next() |
| .name()); |
| assertEquals("c59759f143fb1fe21c197981df75a7ee00290799", iter.next() |
| .name()); |
| assertFalse(iter.hasNext()); |
| } |
| |
| /** |
| * Compare offset from iterator entries with output of findOffset() method. |
| */ |
| @Test |
| public void testCompareEntriesOffsetsWithFindOffsets() { |
| for (MutableEntry me : smallIdx) { |
| assertEquals(smallIdx.findOffset(me.toObjectId()), me.getOffset()); |
| } |
| for (MutableEntry me : denseIdx) { |
| assertEquals(denseIdx.findOffset(me.toObjectId()), me.getOffset()); |
| } |
| } |
| |
| /** |
| * Compare offset from iterator entries with output of getOffset() method. |
| */ |
| @Test |
| public void testCompareEntriesOffsetsWithGetOffsets() { |
| int i = 0; |
| for (MutableEntry me : smallIdx) { |
| assertEquals(smallIdx.getOffset(i++), me.getOffset()); |
| } |
| int j = 0; |
| for (MutableEntry me : denseIdx) { |
| assertEquals(denseIdx.getOffset(j++), me.getOffset()); |
| } |
| } |
| |
| /** |
| * Test partial results of iterator comparing to content of well-known |
| * (prepared) dense index, that may need multi-level indexing. |
| */ |
| @Test |
| public void testIteratorReturnedValues2() { |
| Iterator<PackIndex.MutableEntry> iter = denseIdx.iterator(); |
| while (!iter.next().name().equals( |
| "0a3d7772488b6b106fb62813c4d6d627918d9181")) { |
| // just iterating |
| } |
| assertEquals("1004d0d7ac26fbf63050a234c9b88a46075719d3", iter.next() |
| .name()); // same level-1 |
| assertEquals("10da5895682013006950e7da534b705252b03be6", iter.next() |
| .name()); // same level-1 |
| assertEquals("1203b03dc816ccbb67773f28b3c19318654b0bc8", iter.next() |
| .name()); |
| } |
| |
| } |