content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to you 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 org.apache.calcite.adapter.geode.rel;
  
  import java.util.List;
  import java.util.function.Consumer;
  
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.MatcherAssert.assertThat;
  
  /**
   * Various validations for geode tests.
   */
  class GeodeAssertions {
  
    private GeodeAssertions() {}
  
    static Consumer<List> query(final String query) {
      return actual -> {
        String actualString =
            actual == null || actual.isEmpty()
                ? null
                : ((String) actual.get(0));
  
        assertThat(actualString, is(query));
      };
    }
  
  }
  