JsonArgumentsProvider.java

public class JsonArgumentsProvider implements ArgumentsProvider, AnnotationConsumer {

  private String[] values;
  private Class<?> type;
 
  @Override
  public void accept(final JsonSource annotation) {
    values = annotation.value();
    type = annotation.type();
  }
 
  @Override
  public Stream<? extends Arguments> provideArguments(final ExtensionContext context) {
    return Arrays.stream(values)
        .map(value -> new Gson().fromJson(value, type))
        .map(Arguments::of);
  }
}