How to use

build

method

in

com.palantir.conjure.spec.UnionDefinition$Builder

public static TypeDefinition parseUnionType(
    TypeName name,
    com.palantir.conjure.parser.types.complex.UnionTypeDefinition def,
    ConjureTypeParserVisitor.ReferenceTypeResolver typeResolver) {
  UnionDefinition unionType = UnionDefinition.builder()
      .typeName(name)
      .union(parseField(def.union(), typeResolver))
      .docs(def.docs().map(Documentation::of))
      .build();
  UnionDefinitionValidator.validateAll(unionType);
  return TypeDefinition.union(unionType);
}

@Test
public void testUnionMemberKeyMustNotBeIllegalJavaIdentifier() {
  ImmutableList.of("%foo", "foo@").forEach(key -> {
    FieldDefinition fieldDefinition = FieldDefinition.builder()
        .fieldName(FieldName.of(key))
        .type(Type.primitive(PrimitiveType.STRING))
        .build();
    assertThatThrownBy(() ->
        UnionDefinitionValidator.validateAll(UnionDefinition.builder()
            .union(fieldDefinition)
            .typeName(TypeName.of("string", ""))
            .build()))
        .isInstanceOf(IllegalArgumentException.class)
          .hasMessageStartingWith(
              String.format("Union member key must be a valid Java identifier: %s", key));
  });
}

@Test
public void testUnionMemberKeyMustNotBeEmpty() {
  FieldDefinition fieldDefinition = FieldDefinition.builder()
      .fieldName(FieldName.of(""))
      .type(Type.primitive(PrimitiveType.STRING))
      .build();
  assertThatThrownBy(() ->
      UnionDefinitionValidator.validateAll(UnionDefinition.builder()
          .union(fieldDefinition)
          .typeName(TypeName.of("string", ""))
          .build()))
      .isInstanceOf(IllegalArgumentException.class)
      .hasMessageStartingWith("Union member key must not be empty");
}

  @Test
  public void testUnionMemberKeyMustNotHaveTrailingUnderscore() {
    FieldDefinition fieldDefinition = FieldDefinition.builder()
        .fieldName(FieldName.of("foo_"))
        .type(Type.primitive(PrimitiveType.STRING))
        .build();
    assertThatThrownBy(() ->
        UnionDefinitionValidator.validateAll(UnionDefinition.builder()
            .union(fieldDefinition)
            .typeName(TypeName.of("string", ""))
            .build()))
      .isInstanceOf(IllegalArgumentException.class)
      .hasMessageStartingWith("Union member key must not end with an underscore: foo_");
  }
}