gistfile1.txt

MockHttpServletRequest httpServletRequest = new MockHttpServletRequest("GET", "http://localhost:8080/foo/bar?foo=bar");
String string = ServletUriComponentsBuilder.fromRequest(httpServletRequest).path("/something").build().toUriString();

assertThat(string, is("http://localhost:8080/foo/bar/something?foo=bar"));


java.lang.AssertionError: 
Expected: is "http://localhost:8080/foo/bar/something?foo=bar"
     got: "http://localhost/http://localhost:8080/foo/bar?foo=bar/something"

MockHttpServletRequest request = new MockHttpServletRequest("GET", "/foo/bar");
request.setProtocol("http");
request.setServerName("localhost");
request.setServerPort(8080);
request.setQueryString("foo=bar");
String actual = ServletUriComponentsBuilder.fromRequest(request).path("/something").build().toUriString();

assertEquals("http://localhost:8080/foo/bar/something?foo=bar", actual);