Nothing
skip_on_cran()
library(sf)
polygon_path = system.file("datasets/search_area.gpkg", package = "rgugik")
polygon = read_sf(polygon_path)
DTM = pointDTM_get(polygon, distance = 3)
# output's length should be 2 (sf/data.frame)
if (!length(DTM) == 2) {
return(NULL)
}
test_that("check if ouput is sf/data.frame", {
expect_s3_class(DTM, c("sf", "data.frame"))
})
test_that("check number of rows", {
expect_true(nrow(DTM) == 586)
})
test_that("check number of columns", {
expect_true(ncol(DTM) == 2)
})
test_that("check elevation sd", {
expect_true(sd(DTM$Z) > 0)
})
# test stops
polygon2 = rbind(polygon, polygon)
test_that("check stops", {
expect_error(pointDTM_get(polygon, distance = 0),
"distance between the points cannot be less than 1 m")
expect_error(pointDTM_get(polygon, distance = 1.5),
"'distance' must contain an integer")
expect_error(pointDTM_get(polygon2),
"polygon must contain one object")
})
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