code: /*
   * SPDX-License-Identifier: Apache-2.0
   * Copyright 2018-2020 The Feast Authors
   *
   * 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
   *
   *     https://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 feast.serving.util;
  
  import feast.proto.serving.ServingAPIProto;
  import org.junit.Test;
  
  public class RequestHelperTest {
  
    @Test(expected = IllegalArgumentException.class)
    public void shouldErrorIfEntityRowEmpty() {
  
      ServingAPIProto.GetOnlineFeaturesRequest getOnlineFeaturesRequest =
          ServingAPIProto.GetOnlineFeaturesRequest.newBuilder()
              .setFeatures(
                  ServingAPIProto.FeatureList.newBuilder().addVal("view:featurename").build())
              .build();
  
      RequestHelper.validateOnlineRequest(getOnlineFeaturesRequest);
    }
  
    @Test(expected = IllegalArgumentException.class)
    public void shouldErrorIfFeatureReferenceTableEmpty() {
      ServingAPIProto.GetOnlineFeaturesRequest getOnlineFeaturesRequest =
          ServingAPIProto.GetOnlineFeaturesRequest.newBuilder()
              .setFeatures(ServingAPIProto.FeatureList.newBuilder().addVal("featurename").build())
              .build();
  
      RequestHelper.validateOnlineRequest(getOnlineFeaturesRequest);
    }
  
    @Test(expected = IllegalArgumentException.class)
    public void shouldErrorIfFeatureReferenceNameEmpty() {
      ServingAPIProto.GetOnlineFeaturesRequest getOnlineFeaturesRequest =
          ServingAPIProto.GetOnlineFeaturesRequest.newBuilder()
              .setFeatures(ServingAPIProto.FeatureList.newBuilder().addVal("view").build())
              .build();
  
      RequestHelper.validateOnlineRequest(getOnlineFeaturesRequest);
    }
  }
  