org.jenkinsci.git.RepositoryCheckoutOperationTest.java Source code

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Here is the source code for org.jenkinsci.git.RepositoryCheckoutOperationTest.java

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/*
 * Copyright (c) 2011 GitHub Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */
package org.jenkinsci.git;

import hudson.FilePath;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;

import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.storage.file.FileRepository;
import org.gitective.core.CommitUtils;
import org.jenkinsci.git.log.CommitLog;
import org.jenkinsci.git.log.CommitLogReader;
import org.junit.Test;

/**
 * Unit tests of {@link RepositoryCheckoutOperation}
 *
 * @author Kevin Sawicki (kevin@github.com)
 */
public class RepositoryCheckoutOperationTest extends GitTestCase {

    /**
     * Create operation with null repositories
     *
     * @throws IOException
     */
    @Test(expected = IllegalArgumentException.class)
    public void nullRepositories() throws IOException {
        new RepositoryCheckoutOperation(null, new FilePath(File.createTempFile("test", ".txt")));
    }

    /**
     * Create operation with null log
     */
    @Test(expected = IllegalArgumentException.class)
    public void nullLog() {
        new RepositoryCheckoutOperation(new ArrayList<BuildRepository>(), null);
    }

    /**
     * Testing initially cloning a repository and then fetching a new commit and
     * then another new commit
     *
     * @throws Exception
     */
    @Test
    public void checkoutThreeSequentialSingleCommits() throws Exception {
        File dir = git.tempDirectory();
        File gitDir = new File(dir, Constants.DOT_GIT);
        File log = File.createTempFile("log", ".txt");
        BuildRepository repo = new BuildRepository(git.repo().getDirectory().toURI().toString(),
                BuildRepository.BRANCH_DEFAULT, null);

        RevCommit commit1 = git.add("file.txt", "content");

        RepositoryCheckoutOperation op = new RepositoryCheckoutOperation(Collections.singletonList(repo),
                new FilePath(log));
        assertTrue(op.invoke(dir, null));

        CommitLogReader reader = new CommitLogReader();
        CommitLog cl = reader.parse(null, log);
        assertNotNull(cl);
        assertFalse(cl.isEmptySet());
        assertEquals(1, cl.toArray().length);
        assertEquals(commit1.name(), cl.iterator().next().getCommitId());
        assertTrue(log.delete());
        assertTrue(log.createNewFile());

        Repository gitRepo = new FileRepository(gitDir);
        assertFalse(git.repo().getDirectory().equals(gitRepo.getDirectory()));
        assertEquals(commit1, CommitUtils.getLatest(gitRepo));

        RevCommit commit2 = git.add("file.txt", "new content");
        assertTrue(op.invoke(dir, null));
        assertEquals(commit2, CommitUtils.getLatest(gitRepo));

        cl = reader.parse(null, log);
        assertNotNull(cl);
        assertFalse(cl.isEmptySet());
        assertEquals(1, cl.toArray().length);
        assertEquals(commit2.name(), cl.iterator().next().getCommitId());

        RevCommit commit3 = git.add("file.txt", "less content");
        assertTrue(op.invoke(dir, null));
        assertEquals(commit3, CommitUtils.getLatest(gitRepo));

        cl = reader.parse(null, log);
        assertNotNull(cl);
        assertFalse(cl.isEmptySet());
        assertEquals(1, cl.toArray().length);
        assertEquals(commit3.name(), cl.iterator().next().getCommitId());
    }
}