| /* |
| * Copyright (C) 2010-2012 Christian Halstrick <christian.halstrick@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.lib; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.Collections; |
| |
| import org.eclipse.jgit.junit.RepositoryTestCase; |
| import org.junit.Test; |
| |
| public class MergeHeadMsgTest extends RepositoryTestCase { |
| private static final String mergeMsg = "merge a and b"; |
| |
| private static final String sampleId = "1c6db447abdbb291b25f07be38ea0b1bf94947c5"; |
| |
| @Test |
| public void testReadWriteMergeHeads() throws IOException { |
| assertEquals(db.readMergeHeads(), null); |
| db.writeMergeHeads(Arrays.asList(ObjectId.zeroId(), |
| ObjectId.fromString(sampleId))); |
| assertEquals(read(new File(db.getDirectory(), "MERGE_HEAD")), "0000000000000000000000000000000000000000\n1c6db447abdbb291b25f07be38ea0b1bf94947c5\n"); |
| assertEquals(db.readMergeHeads().size(), 2); |
| assertEquals(db.readMergeHeads().get(0), ObjectId.zeroId()); |
| assertEquals(db.readMergeHeads().get(1), ObjectId.fromString(sampleId)); |
| |
| // same test again, this time with lower-level io |
| try (FileOutputStream fos = new FileOutputStream( |
| new File(db.getDirectory(), "MERGE_HEAD"));) { |
| fos.write( |
| "0000000000000000000000000000000000000000\n1c6db447abdbb291b25f07be38ea0b1bf94947c5\n" |
| .getBytes(UTF_8)); |
| } |
| assertEquals(db.readMergeHeads().size(), 2); |
| assertEquals(db.readMergeHeads().get(0), ObjectId.zeroId()); |
| assertEquals(db.readMergeHeads().get(1), ObjectId.fromString(sampleId)); |
| db.writeMergeHeads(Collections.<ObjectId> emptyList()); |
| assertEquals(read(new File(db.getDirectory(), "MERGE_HEAD")), ""); |
| assertEquals(db.readMergeHeads(), null); |
| try (FileOutputStream fos = new FileOutputStream( |
| new File(db.getDirectory(), "MERGE_HEAD"))) { |
| fos.write(sampleId.getBytes(UTF_8)); |
| } |
| assertEquals(db.readMergeHeads().size(), 1); |
| assertEquals(db.readMergeHeads().get(0), ObjectId.fromString(sampleId)); |
| } |
| |
| @Test |
| public void testReadWriteMergeMsg() throws IOException { |
| assertEquals(db.readMergeCommitMsg(), null); |
| assertFalse(new File(db.getDirectory(), "MERGE_MSG").exists()); |
| db.writeMergeCommitMsg(mergeMsg); |
| assertEquals(db.readMergeCommitMsg(), mergeMsg); |
| assertEquals(read(new File(db.getDirectory(), "MERGE_MSG")), mergeMsg); |
| db.writeMergeCommitMsg(null); |
| assertEquals(db.readMergeCommitMsg(), null); |
| assertFalse(new File(db.getDirectory(), "MERGE_MSG").exists()); |
| try (FileOutputStream fos = new FileOutputStream( |
| new File(db.getDirectory(), Constants.MERGE_MSG))) { |
| fos.write(mergeMsg.getBytes(UTF_8)); |
| } |
| assertEquals(db.readMergeCommitMsg(), mergeMsg); |
| } |
| |
| } |