library(pedbp)

################################################################################
# verify errors if args are not as expected
x <- tryCatch(gs_chart(metric = "Not-A-Metric", male = 0, source = "CDC"),
              error = function(e) e)
stopifnot(inherits(x, "error"))
stopifnot(
          identical(x$message, "'arg' should be one of “bmi_for_age”, “head_circumference_for_age”, “height_for_age”, “length_for_age”, “weight_for_age”, “weight_for_length”, “weight_for_height”") ||
            identical(x$message, "'arg' should be one of \"bmi_for_age\", \"head_circumference_for_age\", \"height_for_age\", \"length_for_age\", \"weight_for_age\", \"weight_for_length\", \"weight_for_height\"")
)

x <- tryCatch(gs_chart(metric = "height_for_age", male = -1, source = "CDC"),
              error = function(e) e)
stopifnot(inherits(x, "error"))
stopifnot(identical(x$message, "male == 0 | male == 1 is not TRUE"))

x <- tryCatch(gs_chart(metric = "height_for_age", male = 1, source = "NOT A SOURCE"),
              error = function(e) e)
stopifnot(inherits(x, "error"))
stopifnot(
          identical(x$message, "'arg' should be one of “CDC”, “WHO”") |
          identical(x$message, "'arg' should be one of \"CDC\", \"WHO\"")
        )

################################################################################
# verify ggplot object is returned
x <- gs_chart(metric = "bmi_for_age")
stopifnot(isTRUE(inherits(x, "ggplot")))

################################################################################
#                                 End of File                                  #
################################################################################