How to use

getRoot

method

in

jenkins.scm.api.SCMFileSystem

try (SCMFileSystem fs = SCMFileSystem.of(source, new SCMHead("branches/dev"))) {
  assertThat(fs, notNullValue());
  assertThat(fs.getRoot(), notNullValue());
  Iterable<SCMFile> children = fs.getRoot().children();
  Iterator<SCMFile> iterator = children.iterator();
  assertThat(iterator.hasNext(), is(true));

@Test
public void ofSourceRevision() throws Exception {
  sampleRepo.init();
  sampleRepo.svnkit("copy", "--message=branching", sampleRepo.trunkUrl(), sampleRepo.branchesUrl() + "/dev");
  sampleRepo.svnkit("switch", sampleRepo.branchesUrl() + "/dev", sampleRepo.wc());
  SCMSource source = new SubversionSCMSource(null, sampleRepo.prjUrl());
  SCMRevision revision = source.fetch(new SCMHead("branches/dev"), null);
  sampleRepo.write("file", "modified");
  sampleRepo.svnkit("commit", "--message=dev1", sampleRepo.wc());
  try (SCMFileSystem fs = SCMFileSystem.of(source, new SCMHead("branches/dev"), revision)) {
    assertThat(fs, notNullValue());
    SCMFile root = fs.getRoot();
    assertThat(root, notNullValue());
    Iterable<SCMFile> children = root.children();
    Iterator<SCMFile> iterator = children.iterator();
    assertThat(iterator.hasNext(), is(true));
    SCMFile file = iterator.next();
    assertThat(iterator.hasNext(), is(false));
    assertThat(file.getName(), is("file"));
    assertThat(file.contentAsString(), is(""));
  }
}

try (SCMFileSystem fs = SCMFileSystem.of(source, new SCMHead("branches/dev"));) {
  assertThat(fs, notNullValue());
  assertThat(fs.getRoot(), notNullValue());
  Iterable<SCMFile> children = fs.getRoot().children();
  Set<String> names = new TreeSet<String>();
  SCMFile file = null;

try (SCMFileSystem fs = SCMFileSystem.of(source, new SCMHead("trunk"))) {
  assertThat(fs, notNullValue());
  SCMFile root = fs.getRoot();
  assertThat(root, notNullValue());
  assertTrue(root.isRoot());

@Test
public void lastModified_Smokes() throws Exception {
  long currentTime = isWindows() ? System.currentTimeMillis() / 1000L * 1000L : System.currentTimeMillis();
  sampleRepo.init();
  sampleRepo.svnkit("copy", "--message=branching", sampleRepo.trunkUrl(), sampleRepo.branchesUrl() + "/dev");
  sampleRepo.svnkit("switch", sampleRepo.branchesUrl() + "/dev", sampleRepo.wc());
  SCMSource source = new SubversionSCMSource(null, sampleRepo.prjUrl());
  SCMRevision revision = source.fetch(new SCMHead("branches/dev"), null);
  long oneMinute = 60*1000;
  sampleRepo.write("file", "modified");
  sampleRepo.svnkit("commit", "--message=dev1", sampleRepo.wc());
  try (SCMFileSystem fs = SCMFileSystem.of(source, new SCMHead("branches/dev"), revision);) {			
    long lastModified = fs.lastModified();
    //ensure the timestamp is from after we started but not in the distant future
    assertThat(lastModified, greaterThanOrEqualTo(currentTime));
    assertThat(lastModified, lessThanOrEqualTo(currentTime + oneMinute));
    SCMFile file = fs.getRoot().child("file");
    lastModified = file.lastModified();
    assertThat(lastModified, greaterThanOrEqualTo(currentTime));
    assertThat(lastModified, lessThanOrEqualTo(currentTime + oneMinute));
  }
}