#1152 - Allow adding path segments to links created via WebFluxLinkBu…

…ilder.

WebFluxLinkBuilder now allows to call ….slash(…) in symmetry to other LinkBuilder implementations.

src/main/java/org/springframework/hateoas/server/reactive/WebFluxLinkBuilder.java

@@ -116,6 +116,20 @@ public static class WebFluxBuilder {
 
 		private final Mono<WebFluxLinkBuilder> builder;
 
+		/**
+		 * Creates a new {@link WebFluxBuilder} appending the given path to the currently to be built link.
+		 *
+		 * @param path must not be {@literal null}.
+		 * @return
+		 * @since 1.1
+		 */
+		public WebFluxBuilder slash(String path) {
+
+			Assert.notNull(path, "Path must not be null!");
+
+			return new WebFluxBuilder(builder.map(it -> it.slash(path)));
+		}
+
 		/**
 		 * Creates a new {@link WebFluxLink} for the {@link Link} with the given {@link LinkRelation}
 		 *

src/test/java/org/springframework/hateoas/server/reactive/WebFluxLinkBuilderTest.java

@@ -187,7 +187,7 @@ void linkToRouteWithExplictExchangeBeingNullShouldFallbackToRelativeUris() {
 		});
 	}
 
-	@Test
+	@Test // #1150
 	void considersContextPath() {
 
 		MockServerHttpRequest request = MockServerHttpRequest.get("http://localhost:8080/context/api") //
@@ -201,6 +201,19 @@ void considersContextPath() {
 		});
 	}
 
+	@Test // #1152
+	void allowsAppendingPathSegments() {
+
+		MockServerHttpRequest request = MockServerHttpRequest.get("http://localhost:8080/api") //
+				.build();
+
+		WebFluxLink link = linkTo(methodOn(TestController.class).deep()).slash("foo").withSelfRel();
+
+		verify(request, link, result -> {
+			assertThat(result.getHref()).endsWith("/api/employees/foo");
+		});
+	}
+
 	private void verify(@Nullable MockServerHttpRequest request, WebFluxLink link, Consumer<Link> verifications) {
 
 		Mono<Link> mono = link.toMono();