URIComponentsCannotHandleRelativeUri.java

import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;

import java.net.URI;

import org.junit.Test;
import org.springframework.web.util.UriComponentsBuilder;

public class URIComponentsCannotHandleRelativeUri {

	URI baseUri = new URI("http://zum.com/a/b/c/d/e.html");

	@Test
	public void relativeUri_usingConstructor() throws Exception {
		URI relativeUri = new URI("../test.png");
		
		assertThat(relativeUri.getPath(), equalTo("../test.png"));

		assertThat(baseUri.resolve(relativeUri), equalTo(new URI("http://zum.com/a/b/c/test.png")));
	}

	@Test
	public void relativeUri_withUriComponentsBuilder() throws Exception {
		URI relativeUri = UriComponentsBuilder.fromUriString("../test.png").build().toUri();
		
		// fails, but was '/../test.png'
		assertThat(relativeUri.getPath(), equalTo("../test.png"));

		// also fails, but was 'http://zum.com/../test.png'
		assertThat(baseUri.resolve(relativeUri), equalTo(new URI("http://zum.com/a/b/c/test.png")));
	}

}