test_that(
  "use_external_*_file works",
  {
    run_quietly_in_a_dummy_golem({
      testthat::with_mocked_bindings(
        utils_download_file = function(url, there) {
          file.create(there)
        },
        {
          funs_and_ext <- list(
            js = use_external_js_file,
            css = use_external_css_file,
            html = use_external_html_template,
            txt = use_external_file
          )
          mapply(
            function(fun, ext) {
              path_to_file <- fun(
                url = paste0("this.", ext),
                pkg = "."
              )
              expect_exists(
                path_to_file
              )
            },
            funs_and_ext,
            names(funs_and_ext)
          )
        }
      )
    })
  }
)

test_that(
  "use_internal_*_file works",
  {
    run_quietly_in_a_dummy_golem({
      testthat::with_mocked_bindings(
        fs_file_copy = function(url, where) {
          file.create(where)
        },
        {
          funs_and_ext <- list(
            js = use_internal_js_file,
            css = use_internal_css_file,
            html = use_internal_html_template,
            txt = use_internal_file
          )
          mapply(
            function(fun, ext) {
              if (ext != "txt") {
                expect_false(
                  fun(
                    path = "this.nop",
                    pkg = "."
                  )
                )
              }
              path_to_file <- fun(
                path = paste0("this.", ext),
                pkg = "."
              )
              expect_exists(
                path_to_file
              )
            },
            funs_and_ext,
            names(funs_and_ext)
          )
        }
      )
    })
  }
)