Add the old list reference methods (#32)

Co-authored-by: marthast <marthast@spotify.com>
Co-authored-by: Henrique <henriquecostatruta@gmail.com>

Author: 3 people

src/main/java/com/spotify/github/v3/clients/GitDataClient.java

@@ -125,6 +125,27 @@ public CompletableFuture<List<Reference>> listMatchingReferences(final String re
     return github.request(path, LIST_REFERENCES);
   }
 
+  /**
+   * List references. (Replaced by listMatchingReferences for github enterprise version > 2.18)
+   *
+   * @param ref reference name
+   */
+  @Deprecated
+  public CompletableFuture<List<Reference>> listReferences(final String ref) {
+    final String path = format(REFERENCE_URI, owner, repo, ref.replaceAll("refs/", ""));
+    return github.request(path, LIST_REFERENCES);
+  }
+
+  /**
+   * List references. (Replaced by listMatchingReferences for github enterprise version > 2.18)
+   *
+   */
+  @Deprecated
+  public CompletableFuture<List<Reference>> listReferences() {
+    return listReferences("");
+  }
+
+
   /**
    * Create a git reference.
    *

src/test/java/com/spotify/github/v3/clients/GitDataClientTest.java

@@ -101,6 +101,21 @@ public void listMatchingReferences() throws Exception {
     }
   }
 
+  @Test
+  public void listReferences() throws Exception {
+    final CompletableFuture<List<Reference>> fixture =
+        completedFuture(json.fromJson(getFixture("tags_list.json"), LIST_REFERENCES));
+    when(github.request(
+            "/repos/someowner/somerepo/git/refs/tags",
+            LIST_REFERENCES))
+        .thenReturn(fixture);
+    final List<Reference> matchingReferences = gitDataClient.listReferences("refs/tags").get();
+    assertThat(matchingReferences.size(), is(1));
+    for (Reference ref : matchingReferences) {
+        assertThat(ref.ref(), containsString("refs/tags"));
+    }
+  }
+
 
   public void createReference() throws Exception {
     final CompletableFuture<Reference> fixture =

src/test/resources/com/spotify/github/v3/clients/tags_list.json

@@ -0,0 +1,12 @@
+[
+    {
+      "ref": "refs/tags/v0.0.1",
+      "node_id": "MDM6UmVmcmVmcy90YWdzL3YwLjAuMQ==",
+      "url": "https://api.github.com/repos/octocat/Hello-World/git/refs/tags/v0.0.1",
+      "object": {
+        "type": "tag",
+        "sha": "940bd336248efae0f9ee5bc7b2d5c985887b16ac",
+        "url": "https://api.github.com/repos/octocat/Hello-World/git/tags/940bd336248efae0f9ee5bc7b2d5c985887b16ac"
+      }
+    }
+  ]