# skip test on GitHub and CRAN
skip_on_ci()
skip_on_cran()


library(sf)

polygon_path = system.file("datasets/search_area.gpkg", package = "rgugik")
polygon = read_sf(polygon_path)
req_df = DEM_request(polygon)

# if output is "connection error", check class and return NULL
if (class(req_df) == "character") {
  return(NULL)
}


test_that("check if ouput is data frame", {
  expect_s3_class(req_df, "data.frame")
})

test_that("check number of rows", {
  expect_true(nrow(req_df) > 0)
})

test_that("check number of columns", {
  expect_true(ncol(req_df) == 14)
})