tests/testthat/test-closed_data.R

In worcs: Workflow for Open Reproducible Code in Science

library(yaml)
library(digest)
test_that("save and load", {
  the_test <- "saveload"
  old_wd <- getwd()
  test_dir <- file.path(tempdir(), the_test)
  dir.create(test_dir)
  setwd(test_dir)
  worcs:::write_worcsfile(file.path(tempdir(), the_test, ".worcs"))
  on.exit(unlink(test_dir, recursive = TRUE), add = TRUE)

  open_data(iris[1:5, ], filename = "iris.csv", codebook = "codebook_iris.Rmd", value_labels = 'value_labels_iris.yml')
  checksums <- read_yaml(".worcs")

  expect_equivalent(checksums$checksums$iris.csv, worcs:::cs_fun("iris.csv", worcsfile = file.path(tempdir(), the_test, ".worcs")))

  # test_that("loading open data works", {
  expect_error({load_data()}, NA)
  suppressWarnings(load_data())
  expect_warning({load_data()})

  df <- load_data(to_envir = FALSE)$iris

  # test_that("loaded data same as original", {
  expect_equivalent(iris[1:5, ], df)

  df <- rbind(df, df[40,])
  write.csv(df, "iris.csv", row.names = FALSE)

  # test_that("loading open data fails when data changed", {
  expect_warning({load_data()})
  #rm(iris)
  #data("iris")
  set.seed(555)
  iris <- iris[1:5,]
  closed_data(iris, codebook = NULL)
  checksums <- read_yaml(".worcs")
  tmp <- read.csv("synthetic_iris.csv", stringsAsFactors = TRUE)

  # test_that("synthetic data similar", {
  expect_equivalent(dim(tmp), dim(iris))
  expect_equivalent(sapply(iris, class), sapply(tmp, class))

  # test_that(".worcs contains checksum for synthetic_data.csv", {
  expect_true(!is.null(checksums$checksums[["synthetic_iris.csv"]]))
  expect_equivalent(checksums$checksums$synthetic_iris.csv, worcs:::cs_fun("synthetic_iris.csv", worcsfile = file.path(tempdir(), the_test, ".worcs")))

  # test_that("loading open data works", {
  expect_error({suppressWarnings(load_data())}, NA)

  file.remove("iris.csv")

  df <- load_data(to_envir = FALSE)$iris

  # test_that("loaded synthetic data same as original", {
  expect_equivalent(tmp, df)

  file.remove("synthetic_iris.csv")
  closed_data(iris, codebook = NULL, synthetic = FALSE)
  file.remove("iris.csv")
  expect_error(load_data())

  # Multiple resources
  the_test <- "saveload2"
  test_dir <- file.path(tempdir(), the_test)
  dir.create(test_dir)
  setwd(test_dir)
  worcs:::write_worcsfile(file.path(test_dir, ".worcs"))
  on.exit(unlink(test_dir, recursive = TRUE), add = TRUE)

  worcs:::write_worcsfile(file.path(test_dir, ".worcs"))
  open_data(iris)
  closed_data(cars)
  file.remove("cars.csv")
  list.files()
  expect_error(suppressWarnings(load_data()), NA)
  #cat(ls())
  #rm("iris")
  # test_that("loading open data succeeds when loading from a subdirectory", {

  dir.create("manuscript")
  expect_error({suppressWarnings(load_data("manuscript"))}, NA)

  # Check whether you can pass additional arguments to synthetic
  closed_data(df, codebook = NULL, model_expression = NULL, predict_expression = sample(y, length(y), replace = TRUE))

  setwd(old_wd)
})