tests/testthat/test-rock_palettes.R

In johnmackintosh/rockthemes: Colour palettes based on classic rock album covers

test_that("palettes display correctly", {
    library(rockthemes)
  expect_true(!is.null(rock_palette("alice")))
  expect_true(!is.null(rock_palette("californication")))
  expect_true(!is.null(rock_palette("coltrane")))
  expect_true(!is.null(rock_palette("deelite")))
  expect_true(!is.null(rock_palette("electric")))
  expect_true(!is.null(rock_palette("faithnomore")))
  expect_true(!is.null(rock_palette("facelift")))
  expect_true(!is.null(rock_palette("harvey")))
  expect_true(!is.null(rock_palette("heep")))
  expect_true(!is.null(rock_palette("hellawaits")))
  expect_true(!is.null(rock_palette("husker")))
  expect_true(!is.null(rock_palette("janelle")))
  expect_true(!is.null(rock_palette("melloncollie")))
  expect_true(!is.null(rock_palette("miles")))
  expect_true(!is.null(rock_palette("muse")))
  expect_true(!is.null(rock_palette("nodoubt")))
  expect_true(!is.null(rock_palette("peacesells")))
  expect_true(!is.null(rock_palette("siamesedream")))
  expect_true(!is.null(rock_palette("secondlaw")))
  expect_true(!is.null(rock_palette("swift")))
  expect_true(!is.null(rock_palette("zeppelin")))
})