Package org.eclipse.jgit.submodule

Source Code of org.eclipse.jgit.submodule.SubmoduleAddTest

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package org.eclipse.jgit.submodule;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.io.File;
import java.text.MessageFormat;

import org.eclipse.jgit.api.Git;
import org.eclipse.jgit.api.Status;
import org.eclipse.jgit.api.SubmoduleAddCommand;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.api.errors.JGitInternalException;
import org.eclipse.jgit.dircache.DirCache;
import org.eclipse.jgit.dircache.DirCacheEditor;
import org.eclipse.jgit.dircache.DirCacheEditor.PathEdit;
import org.eclipse.jgit.dircache.DirCacheEntry;
import org.eclipse.jgit.internal.JGitText;
import org.eclipse.jgit.junit.RepositoryTestCase;
import org.eclipse.jgit.lib.ConfigConstants;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.FileMode;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.storage.file.FileBasedConfig;
import org.junit.Test;

/**
* Unit tests of {@link org.eclipse.jgit.api.SubmoduleAddCommand}
*/
public class SubmoduleAddTest extends RepositoryTestCase {

  @Test
  public void commandWithNullPath() throws GitAPIException {
    try {
      new SubmoduleAddCommand(db).setURI("uri").call().close();
      fail("Exception not thrown");
    } catch (IllegalArgumentException e) {
      assertEquals(JGitText.get().pathNotConfigured, e.getMessage());
    }
  }

  @Test
  public void commandWithEmptyPath() throws GitAPIException {
    try {
      new SubmoduleAddCommand(db).setPath("").setURI("uri").call()
          .close();
      fail("Exception not thrown");
    } catch (IllegalArgumentException e) {
      assertEquals(JGitText.get().pathNotConfigured, e.getMessage());
    }
  }

  @Test
  public void commandWithNullUri() throws GitAPIException {
    try {
      new SubmoduleAddCommand(db).setPath("sub").call().close();
      fail("Exception not thrown");
    } catch (IllegalArgumentException e) {
      assertEquals(JGitText.get().uriNotConfigured, e.getMessage());
    }
  }

  @Test
  public void commandWithEmptyUri() throws GitAPIException {
    try {
      new SubmoduleAddCommand(db).setPath("sub").setURI("").call()
          .close();
      fail("Exception not thrown");
    } catch (IllegalArgumentException e) {
      assertEquals(JGitText.get().uriNotConfigured, e.getMessage());
    }
  }

  @Test
  public void addSubmodule() throws Exception {
    Git git = new Git(db);
    writeTrashFile("file.txt", "content");
    git.add().addFilepattern("file.txt").call();
    RevCommit commit = git.commit().setMessage("create file").call();

    SubmoduleAddCommand command = new SubmoduleAddCommand(db);
    String path = "sub";
    command.setPath(path);
    String uri = db.getDirectory().toURI().toString();
    command.setURI(uri);
    Repository repo = command.call();
    assertNotNull(repo);
    addRepoToClose(repo);

    SubmoduleWalk generator = SubmoduleWalk.forIndex(db);
    assertTrue(generator.next());
    assertEquals(path, generator.getPath());
    assertEquals(commit, generator.getObjectId());
    assertEquals(uri, generator.getModulesUrl());
    assertEquals(path, generator.getModulesPath());
    assertEquals(uri, generator.getConfigUrl());
    Repository subModRepo = generator.getRepository();
    addRepoToClose(subModRepo);
    assertNotNull(subModRepo);
    assertEquals(commit, repo.resolve(Constants.HEAD));

    Status status = Git.wrap(db).status().call();
    assertTrue(status.getAdded().contains(Constants.DOT_GIT_MODULES));
    assertTrue(status.getAdded().contains(path));
  }

  @Test
  public void addExistentSubmodule() throws Exception {
    final ObjectId id = ObjectId
        .fromString("abcd1234abcd1234abcd1234abcd1234abcd1234");
    final String path = "sub";
    DirCache cache = db.lockDirCache();
    DirCacheEditor editor = cache.editor();
    editor.add(new PathEdit(path) {

      public void apply(DirCacheEntry ent) {
        ent.setFileMode(FileMode.GITLINK);
        ent.setObjectId(id);
      }
    });
    editor.commit();

    SubmoduleAddCommand command = new SubmoduleAddCommand(db);
    command.setPath(path);
    command.setURI("git://server/repo.git");
    try {
      command.call().close();
      fail("Exception not thrown");
    } catch (JGitInternalException e) {
      assertEquals(
          MessageFormat.format(JGitText.get().submoduleExists, path),
          e.getMessage());
    }
  }

  @Test
  public void addSubmoduleWithRelativeUri() throws Exception {
    Git git = new Git(db);
    writeTrashFile("file.txt", "content");
    git.add().addFilepattern("file.txt").call();
    RevCommit commit = git.commit().setMessage("create file").call();

    SubmoduleAddCommand command = new SubmoduleAddCommand(db);
    String path = "sub";
    String uri = "./.git";
    command.setPath(path);
    command.setURI(uri);
    Repository repo = command.call();
    assertNotNull(repo);
    addRepoToClose(repo);

    SubmoduleWalk generator = SubmoduleWalk.forIndex(db);
    assertTrue(generator.next());
    assertEquals(path, generator.getPath());
    assertEquals(commit, generator.getObjectId());
    assertEquals(uri, generator.getModulesUrl());
    assertEquals(path, generator.getModulesPath());
    String fullUri = db.getDirectory().getAbsolutePath();
    if (File.separatorChar == '\\')
      fullUri = fullUri.replace('\\', '/');
    assertEquals(fullUri, generator.getConfigUrl());
    Repository subModRepo = generator.getRepository();
    addRepoToClose(subModRepo);
    assertNotNull(subModRepo);
    assertEquals(
        fullUri,
        subModRepo
            .getConfig()
            .getString(ConfigConstants.CONFIG_REMOTE_SECTION,
                Constants.DEFAULT_REMOTE_NAME,
                ConfigConstants.CONFIG_KEY_URL));
    assertEquals(commit, repo.resolve(Constants.HEAD));

    Status status = Git.wrap(db).status().call();
    assertTrue(status.getAdded().contains(Constants.DOT_GIT_MODULES));
    assertTrue(status.getAdded().contains(path));
  }

  @Test
  public void addSubmoduleWithExistingSubmoduleDefined() throws Exception {
    String path1 = "sub1";
    String url1 = "git://server/repo1.git";
    String path2 = "sub2";

    FileBasedConfig modulesConfig = new FileBasedConfig(new File(
        db.getWorkTree(), Constants.DOT_GIT_MODULES), db.getFS());
    modulesConfig.setString(ConfigConstants.CONFIG_SUBMODULE_SECTION,
        path1, ConfigConstants.CONFIG_KEY_PATH, path1);
    modulesConfig.setString(ConfigConstants.CONFIG_SUBMODULE_SECTION,
        path1, ConfigConstants.CONFIG_KEY_URL, url1);
    modulesConfig.save();

    Git git = new Git(db);
    writeTrashFile("file.txt", "content");
    git.add().addFilepattern("file.txt").call();
    assertNotNull(git.commit().setMessage("create file").call());

    SubmoduleAddCommand command = new SubmoduleAddCommand(db);
    command.setPath(path2);
    String url2 = db.getDirectory().toURI().toString();
    command.setURI(url2);
    Repository r = command.call();
    assertNotNull(r);
    addRepoToClose(r);

    modulesConfig.load();
    assertEquals(path1, modulesConfig.getString(
        ConfigConstants.CONFIG_SUBMODULE_SECTION, path1,
        ConfigConstants.CONFIG_KEY_PATH));
    assertEquals(url1, modulesConfig.getString(
        ConfigConstants.CONFIG_SUBMODULE_SECTION, path1,
        ConfigConstants.CONFIG_KEY_URL));
    assertEquals(path2, modulesConfig.getString(
        ConfigConstants.CONFIG_SUBMODULE_SECTION, path2,
        ConfigConstants.CONFIG_KEY_PATH));
    assertEquals(url2, modulesConfig.getString(
        ConfigConstants.CONFIG_SUBMODULE_SECTION, path2,
        ConfigConstants.CONFIG_KEY_URL));
  }
}
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