context("test-utils")

test_that("map_arg", {
  expect_equal(map_arg("a", "b", "c", .f = paste), list(a = "a b c"))
  expect_equal(map_arg("a", "b", "c", .f = paste, .args = list(sep = ",")),
               list(a = "a,b,c"))
  expect_equal(map_arg("a", "b", "c", .f = paste, .args = list(sep = ",", collapse = NULL)),
               list(a = "a,b,c"))
})

test_that("compact", {
  expect_equal(compact(list(x = NULL, y = 1)), list(y = 1))
  expect_equal(compact(list(x = list(NULL), y = 1)), list(x = list(NULL), y = 1))
  expect_null(compact(list(x = NULL, y = NULL)))
})

test_that("is_htmlish", {
  expect_true(is_html(htmltools::HTML("test")))
  expect_true(is_tagList(htmltools::tagList("test")))
  expect_true(is_tag(htmltools::tag("div", list("test"))))
  expect_true(is_htmlish(tag_p("test")))
})