test_that("variables 2 is modified", {
  x <-
    "BEXSTA" |>
    get_data_path() |>
    readRDS() |>
    px()

  expect_identical(px_domain(x), NULL)
  expect_identical(px_map(x), NULL)

  domain_str <- "aggregation list"

  x2 <- px_domain(x, domain_str)

  domain_df1 <- tibble::tribble(
    ~`variable-code`, ~domain,
    "place of birth", "aggregation list",
    "gender", "aggregation list",
    "time", "aggregation list"
  )

  expect_identical(px_domain(x2), domain_df1)

  x3 <- px_languages(x, c("da", "en"))
  expect_identical(px_domain(x3), NULL)

  x4 <- px_domain(x3, domain_str)
  expect_identical(
    px_domain(x4) |> dplyr::arrange(`variable-code`),
    tidyr::crossing(domain_df1, language = c("en", "da")) |>
      dplyr::relocate(domain, .after = last_col())
  )

  domain_df2 <- dplyr::tibble(
    `variable-code` = "time",
    language = c("da", "en"),
    domain = c(
      "aggregation list1",
      "aggregation list2"
    )
  )

  x5 <- px_domain(x3, domain_df2)
  expect_identical(px_domain(x5), domain_df2)

  domain_df2 <- dplyr::tibble(
    `variable-code` = "gender",
    language = c("en"),
    domain = c("aggregation list1")
  )

  x6 <- px_domain(x3, domain_df2)
  expect_identical(px_domain(x6), domain_df2)

  x7 <- px_domain(x5, NULL)
  expect_identical(px_domain(x7), NULL)


  variable_label_df <- dplyr::tribble(
    ~`variable-code`, ~`variable-label`,
    "place of birth", "birthplace",
    "gender", "sex",
    "time", "year",
    "persons", "count"
  )

  x8 <- px_variable_label(x, variable_label_df)

  expect_identical(px_variable_label(x8), variable_label_df)

  map_df <- dplyr::tribble(
    ~`variable-code`, ~`map`,
    "time", "not really a map, just an example"
  )

  x9 <- px_map(x, map_df)

  expect_identical(px_map(x9), map_df)
})