testthat::test_that("optional: env can be activated and modules visible", {
  testthat::skip_on_cran()
  testthat::skip_if_not_installed("reticulate")
  # skip_if_offline() requires curl; use a lightweight fallback
  if (!isTRUE(tryCatch(
    { suppressWarnings(con <- url("https://example.com", open = "r")); close(con); TRUE },
    error = function(e) FALSE
  ))) testthat::skip("offline")
  # Only run when user opts in (local dev), never by default.
  testthat::skip_if_not(isTRUE(Sys.getenv("DOWNBALLOT_TEST_PYTHON", "false") == "true"))

  # If the env doesn't exist, skip (don't try to install in tests)
  if (!isTRUE(reticulate::virtualenv_exists("downballotR"))) {
    testthat::skip("downballotR virtualenv not found; run downballot_install_python() locally first")
  }

  # Use the env (should pin + initialize)
  downballot_use_python("downballotR")

  st <- downballot_python_status(envname = "downballotR", quiet = TRUE)

  testthat::expect_true(isTRUE(st$reticulate_initialized))
  testthat::expect_true(isTRUE(st$virtualenv_exists))

  # Only assert missing_packages == 0 if your status checks modules when initialized
  testthat::expect_length(st$missing_packages, 0)

  # Chromium check can be slow; assert only that it returns a scalar logical
  testthat::expect_true(is.logical(st$playwright_chromium_installed) &&
    length(st$playwright_chromium_installed) == 1)
})