tests/testthat/test-hp-root.R

In ssdtools: Species Sensitivity Distributions

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# Copyright 2021 Environment and Climate Change Canada
# Copyright 2023-2024 Australian Government Department of Climate Change,
# Energy, the Environment and Water
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test_that("hp multi_ci lnorm", {
  fits <- ssd_fit_dists(ssddata::ccme_boron, dists = "lnorm")
  set.seed(102)
  hp_dist <- ssd_hp(fits, average = FALSE, ci_method = "weighted_arithmetic")
  hp_average <- ssd_hp(fits, average = TRUE, ci_method = "weighted_arithmetic", multi_est = FALSE)
  hp_multi <- ssd_hp(fits, average = TRUE, ci_method = "multi_fixed", multi_est = TRUE)
  expect_identical(hp_average$est, hp_dist$est)
  expect_equal(hp_multi, hp_average)
  expect_equal(hp_average$est, 1.9543030195088, tolerance = 1e-5)
  expect_equal(hp_multi$est, 1.95430301950878, tolerance = 1e-5)

  testthat::expect_snapshot({
    hp_multi
  })
})

test_that("hp multi_ci all", {
  fits <- ssd_fit_dists(ssddata::ccme_boron)
  set.seed(102)
  hp_average <- ssd_hp(fits, average = TRUE)
  hp_multi <- ssd_hp(fits, average = TRUE, ci_method = "multi_fixed")
  expect_equal(hp_multi, hp_average)
  expect_equal(hp_average$est, 3.89879276872944, tolerance = 1e-5)
  expect_equal(hp_multi$est, 3.89879276872944, tolerance = 1e-5)
  testthat::expect_snapshot({
    hp_multi
  })
})

test_that("hp multi_ci lnorm ci", {
  fits <- ssd_fit_dists(ssddata::ccme_boron, dists = "lnorm")
  set.seed(102)
  hp_dist <- ssd_hp(fits, average = FALSE, ci = TRUE, nboot = 100, ci_method = "weighted_arithmetic")
  set.seed(102)
  hp_average <- ssd_hp(fits, average = TRUE, ci = TRUE, nboot = 100, ci_method = "weighted_arithmetic", multi_est = TRUE)
  set.seed(102)
  hp_multi <- ssd_hp(fits, average = TRUE, ci_method = "multi_fixed", ci = TRUE, nboot = 100)

  testthat::expect_snapshot({
    hp_average
  })

  testthat::expect_snapshot({
    hp_multi
  })

  hp_dist$dist <- NULL
  hp_average$dist <- NULL
  expect_equal(hp_dist, hp_average)
})