test_that("codebook works for iris", {
  if (rmarkdown::pandoc_available("2.0")){
    old_wd <- getwd()
    test_dir <- file.path(tempdir(), "codebook")
    dir.create(test_dir)
    setwd(test_dir)
    data("iris")
    worcs::make_codebook(iris)

    expect_true(file.exists("codebook.Rmd"))

    expect_true(file.exists("codebook.md"))

    expect_true(file.exists("codebook.csv"))
    contents <- readLines("codebook.Rmd", encoding = "UTF-8")
    expect_true(any(contents == "The data contains 150 cases and 5 variables."))

    setwd(old_wd)
    unlink(test_dir, recursive = TRUE)
  }
})

if(TRUE){
test_that("codebook works for PlantGrowth with missings", {
  if (rmarkdown::pandoc_available("2.0")){
    df <- CO2
    df[c(7:8), 1] <- NA
    df[c(1, 25), 2] <- NA

    old_wd <- getwd()
    test_dir <- file.path(tempdir(), "codebook")
    dir.create(test_dir)
    setwd(test_dir)

    worcs::make_codebook(df)
    expect_true(file.exists("codebook.Rmd"))

    expect_true(file.exists("codebook.md"))


  contents <- readLines("codebook.Rmd", encoding = "UTF-8")

  expect_true(any(contents == "The data contains 84 cases and 5 variables.")) #"The data contains 30 cases and 2 variables."))

  setwd(old_wd)
  unlink(test_dir, recursive = TRUE)
  }
})
}