tests/testthat/test-get_site_envcharacts.R

In oggioniale/ReLTER: An Interface for the eLTER Community

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

library(testthat)

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_site_envcharacts(
        deimsid = TESTURLSite
      )
    ),
    "GET"
  )
  Sys.setenv("LOCAL_DEIMS" = test_mode) # restore test mode
})

skip_if_offline(host = "deims.org")

test_that("Output of site environmental characteristics function constructs
          'tibble' as expected", {
  result <- ReLTER:::get_site_envcharacts(
    deimsid = TESTURLSite
  )
  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 (but URL) constructs a tibble with empty data", {
  Sys.setenv("LOCAL_DEIMS" = FALSE) # set online mode
  result <- ReLTER:::get_site_envcharacts(
    deimsid = "https://deims.org/ljhnhbkihubib"
  )
  expect_type(result, "NULL")
  Sys.setenv("LOCAL_DEIMS" = test_mode) # restore test mode
})

test_that("Wrong input (not URL) constructs an empty tibble", {
  Sys.setenv("LOCAL_DEIMS" = FALSE) # set online mode
  result <- ReLTER:::get_site_envcharacts(deimsid = "ljhnhbkihubib")
  expect_type(result, "NULL")
  Sys.setenv("LOCAL_DEIMS" = test_mode) # restore test mode
})