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- /*
- * 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);
- }
-
- }
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