tests/testthat/test-GIFT_traits_meta.R

In GIFT: Access to the Global Inventory of Floras and Traits (GIFT)

# Tests for valid outputs ----

# Output should be a data frame with 10 columns
# test_that("data frame output format", {
#   ex <- GIFT_traits_meta()
#   
#   expect_s3_class(ex, "data.frame")
#   expect_identical(ncol(ex), c(10L))
#   
# })

# Tests for invalid inputs ----
test_that("invalid inputs", {
# Error message when ref_ID and list_ID are missing
expect_error(
  GIFT_traits_meta(api = NA),
  "api must be a character string indicating which API to use.", fixed = TRUE)

expect_error(
  GIFT_traits_meta(GIFT_version = NA),
  "'GIFT_version' must be a character string stating what version
of GIFT you want to use. Available options are 'latest', 'beta' and the 
different named stable versions of GIFT.",
  fixed = TRUE)
})