| /* |
| * Copyright (C) 2022, Tencent. |
| * |
| * 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.commitgraph; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThrows; |
| |
| import org.junit.Test; |
| |
| public class CommitGraphBuilderTest { |
| |
| @Test |
| public void testRepeatedChunk() throws Exception { |
| byte[] buffer = new byte[2048]; |
| |
| CommitGraphBuilder builder1 = CommitGraphBuilder.builder(); |
| builder1.addOidFanout(buffer); |
| Exception e1 = assertThrows(CommitGraphFormatException.class, () -> { |
| builder1.addOidFanout(buffer); |
| }); |
| assertEquals("commit-graph chunk id 0x4f494446 appears multiple times", |
| e1.getMessage()); |
| |
| CommitGraphBuilder builder2 = CommitGraphBuilder.builder(); |
| builder2.addOidLookUp(buffer); |
| Exception e2 = assertThrows(CommitGraphFormatException.class, () -> { |
| builder2.addOidLookUp(buffer); |
| }); |
| assertEquals("commit-graph chunk id 0x4f49444c appears multiple times", |
| e2.getMessage()); |
| |
| CommitGraphBuilder builder3 = CommitGraphBuilder.builder(); |
| builder3.addCommitData(buffer); |
| Exception e3 = assertThrows(CommitGraphFormatException.class, () -> { |
| builder3.addCommitData(buffer); |
| }); |
| assertEquals("commit-graph chunk id 0x43444154 appears multiple times", |
| e3.getMessage()); |
| |
| CommitGraphBuilder builder4 = CommitGraphBuilder.builder(); |
| builder4.addExtraList(buffer); |
| Exception e4 = assertThrows(CommitGraphFormatException.class, () -> { |
| builder4.addExtraList(buffer); |
| }); |
| assertEquals("commit-graph chunk id 0x45444745 appears multiple times", |
| e4.getMessage()); |
| } |
| |
| @Test |
| public void testNeededChunk() { |
| byte[] buffer = new byte[2048]; |
| |
| Exception e1 = assertThrows(CommitGraphFormatException.class, () -> { |
| CommitGraphBuilder.builder().addOidLookUp(buffer) |
| .addCommitData(buffer).build(); |
| }); |
| assertEquals("commit-graph 0x4f494446 chunk has not been loaded", |
| e1.getMessage()); |
| |
| Exception e2 = assertThrows(CommitGraphFormatException.class, () -> { |
| CommitGraphBuilder.builder().addOidFanout(buffer) |
| .addCommitData(buffer).build(); |
| }); |
| assertEquals("commit-graph 0x4f49444c chunk has not been loaded", |
| e2.getMessage()); |
| |
| Exception e3 = assertThrows(CommitGraphFormatException.class, () -> { |
| CommitGraphBuilder.builder().addOidFanout(buffer) |
| .addOidLookUp(buffer).build(); |
| }); |
| assertEquals("commit-graph 0x43444154 chunk has not been loaded", |
| e3.getMessage()); |
| } |
| } |