tests/testthat/test_oEMMA.R

In EhrmannS/rasterTools: Obtain and process earth observation data

library(checkmate)
library(testthat)
library(geometr)
context("oEMMA")


test_that("oEMMA loads the correct file", {
  setPaths(root = system.file("test_datasets", package="rasterTools"))

  output <- oEMMA(mask = rtGeoms$mask, species = "Ursus arctos")
  expect_data_frame(output, any.missing = FALSE)
})

test_that(("oEMMA works with Spatial* mask (that has another crs than the dataset)"), {
  # setPaths(root = system.file("test_datasets", package="rasterTools"))
  # myMask <- gToSp(geom = rtGeoms$mask) %>%
  #   setCRS(crs = projs$longlat)
  # 
  # output <- oEMMA(mask = myMask, species = "Ursus arctos")
  # expect_data_frame(output, any.missing = FALSE)
})

test_that("obtain works with an sf object as mask", {
  # setPaths(root = system.file("test_datasets", package="rasterTools"))
  # myDatasets <- list(list(operator = "oCLC", years = 2000))
  # myMask <- gt_as_sf(geom = rtGeoms$mask)
  # myMask <- setCRS(x = myMask, crs = projs$longlat)
  # 
  # output <- obtain(data = myDatasets, mask = myMask)
  # expect_list(output, len = 1)
  # expect_names(names(output[[1]]), must.include = c("clc"))
})

test_that("obtain works with a geom object as mask", {
  setPaths(root = system.file("test_datasets", package="rasterTools"))
  myDatasets <- list(list(operator = "oCLC", years = 2000))
  
  output <- obtain(data = myDatasets, mask = rtGeoms$mask)
  expect_list(output, len = 1)
  expect_names(names(output[[1]]), must.include = c("clc"))
})

test_that("Error if arguments have wrong value", {
  setPaths(root = system.file("test_datasets", package="rasterTools"))
  
  expect_error(oEMMA(mask = "myMask"))
  expect_error(oEMMA(mask = rtGeoms$mask, species = 1))
  expect_error(oEMMA(mask = rtGeoms$mask, species = "Apodemus flavicollis", version = "bla"))
})

test_that("Warning if wrong species is specified", {
  setPaths(root = system.file("test_datasets", package="rasterTools"))
  
  mySpecies <- data.frame(original = c("Ursus arctos", "bla"), abbr = c("urs_arc", "bla"))
  expect_warning(oEMMA(mask = rtGeoms$mask, species = mySpecies))
})

test_that("bibliography item has been created", {
  setPaths(root = system.file("test_datasets", package="rasterTools"))

  options(bibliography = NULL)

  output <- oEMMA(mask = rtGeoms$mask, species = "Ursus arctos")
  theBib <- getOption("bibliography")
  expect_class(theBib, classes =  "bibentry")
  expect_list(theBib, len = 1)
})