extends LinkEnricher api to append link arrays to the response

scm-webapp/src/test/java/sonia/scm/api/v2/resources/EdisonLinkAppenderTest.java

@@ -0,0 +1,43 @@
+package sonia.scm.api.v2.resources;
+
+import de.otto.edison.hal.Link;
+import de.otto.edison.hal.Links;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static de.otto.edison.hal.Links.linkingTo;
+import static org.assertj.core.api.Assertions.assertThat;
+
+class EdisonLinkAppenderTest {
+
+  private Links.Builder builder;
+  private EdisonLinkAppender appender;
+
+  @BeforeEach
+  void prepare() {
+    builder = linkingTo();
+    appender = new EdisonLinkAppender(builder);
+  }
+
+  @Test
+  void shouldAppendOneLink() {
+    appender.appendOne("self", "https://scm.hitchhiker.com");
+
+    Links links = builder.build();
+    assertThat(links.getLinkBy("self").get().getHref()).isEqualTo("https://scm.hitchhiker.com");
+  }
+
+  @Test
+  void shouldAppendMultipleLinks() {
+    appender.arrayBuilder("items")
+        .append("one", "http://one")
+        .append("two", "http://two")
+        .build();
+
+    List<Link> items = builder.build().getLinksBy("items");
+    assertThat(items).hasSize(2);
+  }
+
+}