tests/testthat/test-exposure.R

In ssdtools: Species Sensitivity Distributions

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test_that("exposure fitdist", {
  fits <- ssd_fit_dists(ssddata::ccme_boron, dists = "lnorm")
  
  set.seed(1)
  expect_equal(ssd_exposure(fits), 0.0554388690057964)
})

test_that("exposure different mean", {
  fits <- ssd_fit_dists(ssddata::ccme_boron, dists = "lnorm")
  
  set.seed(1)
  expect_equal(ssd_exposure(fits, 1), 0.165064610334353)
})

test_that("exposure different mean and log", {
  fits <- ssd_fit_dists(ssddata::ccme_boron, dists = "lnorm")
  
  set.seed(1)
  expect_equal(ssd_exposure(fits, 1, sdlog = 10), 0.433888512432359)
})

test_that("exposure multiple distributions", {
  fits <- ssd_fit_dists(ssddata::ccme_boron)
  
  set.seed(1)
  expect_equal(ssd_exposure(fits), 0.0663586716105648)
})

test_that("exposure not sensitive to rescaling", {
  fits <- ssd_fit_dists(ssddata::ccme_boron, dists = "lnorm")
  
  set.seed(10)
  exposure <- ssd_exposure(fits)
  
  fits_rescale <- ssd_fit_dists(ssddata::ccme_boron, dists = "lnorm", rescale = TRUE)
  set.seed(10)
  exposure_rescale <- ssd_exposure(fits_rescale)
  
  expect_equal(exposure_rescale, exposure)
})