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.sql;
  
  import static org.hl7.fhir.r4.model.codesystems.ConceptMapEquivalence.EQUIVALENT;
  import static org.hl7.fhir.r4.model.codesystems.ConceptMapEquivalence.INEXACT;
  import static org.hl7.fhir.r4.model.codesystems.ConceptMapEquivalence.RELATEDTO;
  import static org.hl7.fhir.r4.model.codesystems.ConceptMapEquivalence.WIDER;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import au.csiro.pathling.errors.InvalidUserInputError;
  import com.google.common.collect.ImmutableSet;
  import java.util.Collections;
  import java.util.List;
  import org.junit.jupiter.api.Test;
  
  class TerminologySupportTest {
  
    @Test
    void convertsNullAndCsvCodesEnumSet() {
      assertNull(TerminologySupport.parseCsvEquivalences(null));
      assertEquals(Collections.emptySet(),
          TerminologySupport.parseCsvEquivalences(""));
      assertEquals(Collections.emptySet(),
          TerminologySupport.parseCsvEquivalences("  "));
    }
  
    @Test
    void parseValidCodesToEnumSetIgnoringBlanks() {
      assertEquals(ImmutableSet.of(WIDER, INEXACT),
          TerminologySupport.parseCsvEquivalences("wider, inexact, , wider "));
    }
  
    @Test
    void throwInvalidUserInputWhenParsingInvalidCodes() {
      final InvalidUserInputError ex = assertThrows(InvalidUserInputError.class,
          () -> TerminologySupport.parseCsvEquivalences("wider, invalid"));
      assertEquals("Unknown ConceptMapEquivalence code 'invalid'", ex.getMessage());
    }
  
  
    @Test
    void convertsNullAndEmptyCodesToEnumSet() {
      assertNull(TerminologySupport.equivalenceCodesToEnum(null));
      assertEquals(Collections.emptySet(),
          TerminologySupport.equivalenceCodesToEnum(Collections.emptyList()));
    }
  
  
    @Test
    void convertsValidCodesToEnumSet() {
      assertEquals(ImmutableSet.of(EQUIVALENT, RELATEDTO),
          TerminologySupport.equivalenceCodesToEnum(
              List.of("equivalent", "relatedto", "equivalent")));
    }
  
    @Test
    void throwInvalidUserInputWhenConvertingInvalidCode() {
      final List<String> invalid = List.of("invalid");
      final InvalidUserInputError ex = assertThrows(InvalidUserInputError.class,
          () -> TerminologySupport.equivalenceCodesToEnum(invalid));
  
      assertEquals("Unknown ConceptMapEquivalence code 'invalid'", ex.getMessage());
    }
  }
  