tests/testthat/test-get_ilter_envcharacts.R

In oggioniale/ReLTER: An Interface for the eLTER Community

message("\n---- Test get_ilter_envcharacts() ----")

library(testthat)

skip_on_cran()

test_that("Expect error if internet connection is down", {
  Sys.setenv("LOCAL_DEIMS" = FALSE) # set online mode
  testthat::expect_error(
    httptest::without_internet(
      result <- ReLTER::get_ilter_envcharacts(sitesNum = 5)
    ),
    "GET"
  )
  Sys.setenv("LOCAL_DEIMS" = test_mode) # restore test mode
})

skip_if_offline(host = "deims.org")

test_that("Output of ILTER environmental characteristics function constructs
          ‘tibble’ as expected", {
  result <- ReLTER::get_ilter_envcharacts(sitesNum = 5)
  expect_s3_class(result, "tbl_df")
  expect_true(ncol(result) == 26)
  expect_true(all(names(result) == c(
    "title", "uri", "geoCoord", "country",
    "geoElev.avg", "geoElev.min", "geoElev.max", "geoElev.unit",
    "envCharacteristics.airTemperature.yearlyAverage",
    "envCharacteristics.airTemperature.monthlyAverage",
    "envCharacteristics.airTemperature.unit",
    "envCharacteristics.airTemperature.referencePeriod",
    "envCharacteristics.precipitation.yearlyAverage",
    "envCharacteristics.precipitation.monthlyAverage",
    "envCharacteristics.precipitation.unit",
    "envCharacteristics.precipitation.referencePeriod",
    "envCharacteristics.biogeographicalRegion",
    "envCharacteristics.biome",
    "envCharacteristics.ecosystemType",
    "envCharacteristics.eunisHabitat",
    "envCharacteristics.landforms",
    "envCharacteristics.geoBonBiome",
    "envCharacteristics.geology",
    "envCharacteristics.hydrology",
    "envCharacteristics.soils",
    "envCharacteristics.vegetation"
  )))

  expect_type(result$title, "character")
  expect_type(result$uri, "character")
  expect_type(result$geoCoord, "character")
  expect_type(result$country, "list")
})

test_that("Wrong input (not a double) constructs an empty tibble", {
  result <- ReLTER::get_ilter_envcharacts(sitesNum = "aa")
  expect_type(result, "NULL")
})