test_that("ml_formula() works", {
  expect_snapshot(ml_formula(am ~ mpg, mtcars))
  expect_error(
    ml_formula(am ~ mpg * cyl, mtcars),
    "Formula resulted in an invalid parameter set"
  )
})

test_that("snake_to_camel() works", {
  expect_equal(
    snake_to_camel("var_one"),
    "varOne"
  )
})

test_that("ml_connect_not_supported() works", {
  expect_silent(
    ml_connect_not_supported(
      args = list(),
      not_supported = c(
        "elastic_net_param", "reg_param", "threshold",
        "aggregation_depth", "fit_intercept",
        "raw_prediction_col", "uid", "weight_col"
      )
    )
  )

  expect_error(
    ml_connect_not_supported(
      args = list(reg_param = 1),
      not_supported = c(
        "elastic_net_param", "reg_param", "threshold",
        "aggregation_depth", "fit_intercept",
        "raw_prediction_col", "uid", "weight_col"
      ),
      "The following argument(s) are not supported by Spark Connect:"
    )
  )
})

test_that("ml_installed() works on simulated interactive session", {
  skip_if_not_databricks()
  test_env <- test_databricks_stump_env() %>%
    path_dir() %>%
    path_dir()
  print(test_env)
    local_mocked_bindings(
      check_interactive = function(...) TRUE,
      check_rstudio = function(...) TRUE,
      menu = function(...) return(1),
      py_install = function(...) invisible()
    )
    expect_snapshot(
      ml_installed(envname = test_env)
    )
})