@Test
  public void pathSegments() throws URISyntaxException {
    UriComponentsBuilder builder = UriComponentsBuilder.newInstance();
    UriComponents result = builder.pathSegment("foo").pathSegment("bar").build();

    assertEquals("/foo/bar", result.getPath());
    assertEquals(Arrays.asList("foo", "bar"), result.getPathSegments());
  }
  @Test
  public void multipleFromSameBuilder() throws URISyntaxException {
    UriComponentsBuilder builder =
        UriComponentsBuilder.newInstance().scheme("http").host("example.com").pathSegment("foo");
    UriComponents result1 = builder.build();
    builder = builder.pathSegment("foo2").queryParam("bar").fragment("baz");
    UriComponents result2 = builder.build();

    assertEquals("http", result1.getScheme());
    assertEquals("example.com", result1.getHost());
    assertEquals("/foo", result1.getPath());
    URI expected = new URI("http://example.com/foo");
    assertEquals("Invalid result URI", expected, result1.toUri());

    assertEquals("http", result2.getScheme());
    assertEquals("example.com", result2.getHost());
    assertEquals("/foo/foo2", result2.getPath());
    assertEquals("bar", result2.getQuery());
    assertEquals("baz", result2.getFragment());
    expected = new URI("http://example.com/foo/foo2?bar#baz");
    assertEquals("Invalid result URI", expected, result2.toUri());
  }