test-ncdc_locs_cats.r
In rnoaa: 'NOAA' Weather Data from R

context("ncdc_locs_cats")

test_that("ncdc_locs_cats returns the correct ...", {
  skip_on_cran()    

  vcr::use_cassette("ncdc_locs_cats", {
    tt <- ncdc_locs_cats()
    uu <- ncdc_locs_cats(locationcategoryid='CLIM_REG')
    vv <- ncdc_locs_cats(startdate='1970-01-01')
    
    
    # class
    expect_is(tt, "ncdc_locs_cats")
    expect_is(uu$data, "data.frame")
    expect_is(vv, "ncdc_locs_cats")
    expect_is(tt$meta, "list")
    expect_is(tt$data, "data.frame")
    expect_is(tt$meta$totalCount, "integer")
    expect_is(tt$data$id, "character")

    # dimensions
    expect_equal(length(tt$meta), 3)
    expect_equal(NCOL(tt$data), 2)
    expect_equal(dim(uu$data), c(1,2))
    expect_equal(NCOL(vv$data), 2)
    expect_equal(length(tt), 2)
    expect_equal(length(uu), 2)
    expect_equal(length(vv), 2)
  })
})

# no internet required
test_that("ncdc_locs fails well", {
  skip_on_cran()

  # unload vcr namespace
  unloadNamespace("vcr")

  webmockr::enable()
  url <- 'https://www.ncdc.noaa.gov/cdo-web/api/v2/locationcategories?startdate=1970-01-01&limit=25'
  ss <- webmockr::stub_request('get', url)
  webmockr::to_return(ss, body = "<!DOCTYPE HTML PUBLIC><>")
  expect_error(ncdc_locs_cats(startdate='1970-01-01'), "lexical error")
  webmockr::disable()

  # re-attach vcr namespace
  attachNamespace("vcr")
  vcr_set()
})