TURO_OUTPUT_FORMAT := \
test_utils_result_output_check \
test_utils_result_output_json \
test_utils_result_output_txt

USED_TURO_OUTPUT_FORMAT := $(sort $(filter test_utils_result_output_%,$(USEMODULE)))

ifeq (0,$(words $(USED_TURO_OUTPUT_FORMAT)))
  USEMODULE += test_utils_result_output_json
else ifeq (1,$(words $(USED_TURO_OUTPUT_FORMAT)))
  ifeq (,$(filter $(USED_TURO_OUTPUT_FORMAT), $(TURO_OUTPUT_FORMAT)))
    $(info Currently using: $(USED_TURO_OUTPUT_FORMAT))
    $(error Please use one of: $(TURO_OUTPUT_FORMAT))
  endif
else
  $(info Only one test_utils_result_output format can be used at a time.)
  $(info Currently selecting: $(USED_TURO_OUTPUT_FORMAT))
  $(error Please use one of: $(TURO_OUTPUT_FORMAT))
endif

TURO_OUTPUT_FORMAT_USES_FMT := \
test_utils_result_output_json \
test_utils_result_output_txt

ifneq (,$(filter $(TURO_OUTPUT_FORMAT_USES_FMT),$(USEMODULE)))
  USEMODULE += fmt
endif