// TestValidDataUnit tests whether or not ValidDataUnit provides // the correct assertion on provided data unit. func TestValidDataUnit(t *testing.T) { … } func TestDataUnitValues(t *testing.T) { … } func TestCheckAPIKeyExists(t *testing.T) { … } // TestSetOptionsWithEmpty tests setOptions function will do nothing // when options are empty. func TestSetOptionsWithEmpty(t *testing.T) { … }