tests/testthat/test_time_bp_to_i_series.R

In pastclim: Manipulate Time Series of Climate Reconstructions

# set up data path for this test
data_path <- file.path(tempdir(), "pastclim_data")
# it should not exist, but remove it just in case
unlink(data_path, recursive = TRUE)
# set data path
set_data_path(
  path_to_nc = data_path,
  ask = FALSE,
  write_config = FALSE,
  copy_example = TRUE
)
################################################################################

test_that("time_bp_to_i_series returns correct values", {
  time_bp <- c(-10000, -20000)
  time_steps <- sort(-seq(0, 20000, by = 5000))
  #####################################################
  # if time_bp is a vector
  #####################################################
  # correctly working
  expect_true(all(time_bp_to_i_series(time_bp, time_steps) == c(3, 1)))
  # incorrect values
  time_bp <- c(-9000, -20000)
  expect_error(
    time_bp_to_i_series(time_bp, time_steps),
    "time_bp should only include time steps available in the dataset"
  )
  #####################################################
  # if time_bp is a list
  #####################################################
  time_bp <- list(min = -15000, max = -3000)
  expect_true(all(time_bp_to_i_series(time_bp, time_steps) == c(2, 3, 4)))
  time_bp <- list(min = -3000, max = -15000)
  expect_error(
    time_bp_to_i_series(time_bp, time_steps),
    "in time_bp, min should be less than max"
  )
  #####################################################
  # if time_bp is null
  #####################################################
  expect_true(is.null(time_bp_to_i_series(NULL, time_steps)))
  #####################################################
  # if time_bp is nonsense
  #####################################################
  expect_error(
    time_bp_to_i_series("blah", time_steps),
    "time_bp can only be"
  )
})

################################################################################
# clean up for the next test
unlink(data_path, recursive = TRUE)