content: /*
   * Copyright © 2018-2025 Commonwealth Scientific and Industrial Research
   * Organisation (CSIRO) ABN 41 687 119 230.
   *
   * 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 au.csiro.pathling.views;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.mockito.Mockito.mock;
  
  import au.csiro.pathling.io.source.DataSource;
  import ca.uhn.fhir.context.FhirContext;
  import jakarta.validation.ConstraintViolationException;
  import org.apache.spark.sql.SparkSession;
  import org.junit.jupiter.api.Test;
  
  class FhirViewExecutorTest {
  
    @Test
    void failsWhenInvalidView() {
      // Create an invalid view with an empty select list
      final FhirView view = FhirView.ofResource("Patient")
          .build();
  
      final FhirViewExecutor executor = new FhirViewExecutor(
          mock(FhirContext.class),
          mock(SparkSession.class),
          mock(DataSource.class));
  
      final ConstraintViolationException ex = assertThrows(
          ConstraintViolationException.class,
          () -> executor.buildQuery(view));
  
      assertEquals(
          "Valid SQL on FHIR view: select: must not be empty",
          ex.getMessage());
    }
  }
  