test_that("Table2 keyword is modified", {
  x <-
    "BEXSTA" |>
    get_data_path() |>
    readRDS() |>
    px()

  expect_identical(px_last_updated(x), NULL)

  datetime <- "2020-01-01 10:00"

  x2 <- px_last_updated(x, datetime)
  expect_identical(px_last_updated(x2), datetime)

  x3 <- px_languages(x, c("en", "dk"))
  expect_identical(px_last_updated(x3), NULL)

  x4 <- px_last_updated(x3, datetime)
  expect_identical(
    px_last_updated(x4),
    dplyr::tibble(
      language = c("en", "dk"),
      value = "2020-01-01 10:00"
    )
  )

  datetime_df <- dplyr::tibble(
    language = c("en", "dk"),
    value = c(
      "2020-01-01 10:00",
      "2022-01-01 10:00"
    )
  )

  x5 <- px_last_updated(x3, datetime_df)
  expect_identical(px_last_updated(x5), datetime_df)

  x6 <- px_last_updated(x5, NULL)
  expect_identical(px_last_updated(x6), NULL)

  expect_error(
    px_last_updated(x3, data.frame(
      language = c("sv", "kl"),
      value = datetime
    )),
    regex = "LANGUAGE"
  )
})

test_that("Other keywords are modified and removed", {
  x <-
    "BEXSTA" |>
    get_data_path() |>
    readRDS() |>
    px()

  x2 <-
    x |>
    px_contents("content") |>
    px_description("description") |>
    px_subject_area("subject area") |>
    px_title("title") |>
    px_units("units") |>
    px_contact("Johan Ejstrud") |>
    px_link("The Legend of Zelda") |>
    px_infofile("infofile") |>
    px_baseperiod("baseperiod") |>
    px_stockfa("S") |>
    px_cfprices("C") |>
    px_source("Statistic Greenland") |>
    px_database("dbname") |>
    px_refperiod("year") |>
    px_datasymbolnil("missing") |>
    px_datasymbol1("missingtype1") |>
    px_datasymbol2("missingtype2") |>
    px_datasymbol3("missingtype3") |>
    px_datasymbol4("missingtype4") |>
    px_datasymbol5("missingtype5") |>
    px_datasymbol6("missingtype6")

  expect_identical(px_contents(x2), "content")
  expect_identical(px_description(x2), "description")
  expect_identical(px_subject_area(x2), "subject area")
  expect_identical(px_title(x2), "title")
  expect_identical(px_units(x2), "units")
  expect_identical(px_contact(x2), "Johan Ejstrud")
  expect_identical(px_link(x2), "The Legend of Zelda")
  expect_identical(px_infofile(x2), "infofile")
  expect_identical(px_baseperiod(x2), "baseperiod")
  expect_identical(px_stockfa(x2), "S")
  expect_identical(px_cfprices(x2), "C")
  expect_identical(px_source(x2), "Statistic Greenland")
  expect_identical(px_database(x2), "dbname")
  expect_identical(px_refperiod(x2), "year")
  expect_identical(px_datasymbolnil(x2), "missing")
  expect_identical(px_datasymbol1(x2), "missingtype1")
  expect_identical(px_datasymbol2(x2), "missingtype2")
  expect_identical(px_datasymbol3(x2), "missingtype3")
  expect_identical(px_datasymbol4(x2), "missingtype4")
  expect_identical(px_datasymbol5(x2), "missingtype5")
  expect_identical(px_datasymbol6(x2), "missingtype6")

  x3 <-
    x2 |>
    px_description(NULL) |>
    px_contact(NULL) |>
    px_link(NULL) |>
    px_infofile(NULL) |>
    px_baseperiod(NULL) |>
    px_stockfa(NULL) |>
    px_cfprices(NULL) |>
    px_source(NULL) |>
    px_database(NULL) |>
    px_refperiod(NULL) |>
    px_datasymbolnil(NULL)

  expect_identical(px_description(x3), NULL)
  expect_identical(px_contact(x3), NULL)
  expect_identical(px_link(x3), NULL)
  expect_identical(px_infofile(x3), NULL)
  expect_identical(px_baseperiod(x3), NULL)
  expect_identical(px_stockfa(x3), NULL)
  expect_identical(px_cfprices(x3), NULL)
  expect_identical(px_source(x3), NULL)
  expect_identical(px_database(x3), NULL)
  expect_identical(px_refperiod(x3), NULL)
  expect_identical(px_datasymbolnil(x3), NULL)

  expect_error(px_contents(x3, NULL), regex = "mandatory")
  expect_error(px_units(x3, NULL), regex = "mandatory")
  expect_error(px_subject_area(x3, NULL), regex = "mandatory")
})

test_that("Either TITLE or DESCRIPTION should be defined", {
  x <-
    "BEXSTA" |>
    get_data_path() |>
    readRDS() |>
    px()

  expect_identical(px_title(x), "")

  expect_error(px_title(x, NULL), regex = "cannot be removed unless")

  x2 <-
    px_description(x, "description") |>
    px_title(NULL)

  expect_identical(px_description(x2), "description")

  expect_error(px_description(x2, NULL), regex = "cannot be removed unless")
})