Add testing

Author: courtneyeh

Diff for: validator/client/src/test/java/tech/pegasys/teku/validator/client/restapi/apis/GetGraffitiTest.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright Consensys Software Inc., 2024
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+
+package tech.pegasys.teku.validator.client.restapi.apis;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_BAD_REQUEST;
+import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_FORBIDDEN;
+import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_INTERNAL_SERVER_ERROR;
+import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_NOT_IMPLEMENTED;
+import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_OK;
+import static tech.pegasys.teku.infrastructure.http.HttpStatusCodes.SC_UNAUTHORIZED;
+import static tech.pegasys.teku.infrastructure.restapi.MetadataTestUtil.getResponseStringFromMetadata;
+import static tech.pegasys.teku.infrastructure.restapi.MetadataTestUtil.verifyMetadataErrorResponse;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import org.junit.jupiter.api.Test;
+import tech.pegasys.teku.spec.TestSpecFactory;
+import tech.pegasys.teku.spec.util.DataStructureUtil;
+
+class GetGraffitiTest {
+  private final GetGraffiti handler = new GetGraffiti();
+
+  private final DataStructureUtil dataStructureUtil =
+      new DataStructureUtil(TestSpecFactory.createDefault());
+
+  @Test
+  void metadata_shouldHandle200() throws JsonProcessingException {
+    GetGraffiti.GraffitiResponse response =
+        new GetGraffiti.GraffitiResponse(dataStructureUtil.randomPublicKey(), "Test graffiti");
+    final String responseData = getResponseStringFromMetadata(handler, SC_OK, response);
+    assertThat(responseData)
+        .isEqualTo(
+            "{\"data\":{\"pubkey\":"
+                + "\"0xa4654ac3105a58c7634031b5718c4880c87300f72091cfbc69fe490b71d93a671e00e80a388e1ceb8ea1de112003e976\","
+                + "\"graffiti\":\"Test graffiti\"}}");
+  }
+
+  @Test
+  void metadata_shouldHandle400() throws JsonProcessingException {
+    verifyMetadataErrorResponse(handler, SC_BAD_REQUEST);
+  }
+
+  @Test
+  void metadata_shouldHandle401() throws JsonProcessingException {
+    verifyMetadataErrorResponse(handler, SC_UNAUTHORIZED);
+  }
+
+  @Test
+  void metadata_shouldHandle403() throws JsonProcessingException {
+    verifyMetadataErrorResponse(handler, SC_FORBIDDEN);
+  }
+
+  @Test
+  void metadata_shouldHandle500() throws JsonProcessingException {
+    verifyMetadataErrorResponse(handler, SC_INTERNAL_SERVER_ERROR);
+  }
+
+  @Test
+  void metadata_shouldHandle501() throws JsonProcessingException {
+    verifyMetadataErrorResponse(handler, SC_NOT_IMPLEMENTED);
+  }
+}