tests/testthat/test-utils.R

In rstudio/revealjs: R Markdown Format for 'reveal.js' Presentations

test_that("reveal options are passed as pandoc variables", {
  expect_equal(process_reveal_option("a", "b"), pandoc_variable_arg("a", "b"))
})

test_that("reveal options with boolean are transformed to JS bool", {
  expect_equal(process_reveal_option("a", TRUE), pandoc_variable_arg("a", "true"))
  expect_equal(process_reveal_option("a", FALSE), pandoc_variable_arg("a", "false"))
})

test_that("reveal options slideNumbers is treated specifically", {
  expect_equal(process_reveal_option("slideNumber", "c/t"), pandoc_variable_arg("slideNumber", "'c/t'"))
  expect_equal(process_reveal_option("slideNumber", TRUE), pandoc_variable_arg("slideNumber", "true"))
})

test_that("reveal options width / heigh in % are quoted", {
  expect_equal(process_reveal_option("width", "50%"), pandoc_variable_arg("width", "'50%'"))
  expect_equal(process_reveal_option("height", "50%"), pandoc_variable_arg("height", "'50%'"))
  expect_equal(process_reveal_option("width", 5), pandoc_variable_arg("width", "5"))
  expect_equal(process_reveal_option("height", 5), pandoc_variable_arg("height", "5"))
})

test_that("reveal options for chalkboard plugins special handling", {
  expect_equal(process_reveal_option("chalkboard-background", "rgba(255,255,255,0.5)"), pandoc_variable_arg("chalkboard-background", "['rgba(255,255,255,0.5)']"))
  expect_equal(
    process_reveal_option("chalkboard-background", "['rgba(127,127,127,.1)', path + 'img/blackboard.png' ]"), 
    pandoc_variable_arg("chalkboard-background", "['rgba(127,127,127,.1)', path + 'img/blackboard.png' ]")
  )
  expect_equal(process_reveal_option("chalkboard-draw", c("a", "b")), pandoc_variable_arg("chalkboard-draw", "['a', 'b']"))
  expect_equal(process_reveal_option("chalkboard-other", "dummy"), pandoc_variable_arg("chalkboard-other", "dummy"))
})

test_that("reveal options for autoAnimateStyles handling", {
  expect_equal(process_reveal_option("autoAnimateStyles", "padding"), pandoc_variable_arg("autoAnimateStyles", "['padding']"))
  expect_equal(process_reveal_option("autoAnimateStyles", c("color", "padding")), pandoc_variable_arg("autoAnimateStyles", "['color', 'padding']"))
})

test_that("revealjs lib path is found in package", {
  expect_match(revealjs_lib_path(), "revealjs/(inst/)?reveal\\.js-")
  expect_true(dir.exists(revealjs_lib_path()))
})

test_that("Version of revealjs can be retrieved", {
  expect_s3_class(revealjs_version(), "numeric_version")
})