test_that("can create parameters from list", {
  x <- list(a = bq_param(1, "integer"), b = "x", c = 1:3)
  p <- as_bq_params(x)

  expect_length(p, 3)
  expect_equal(p[[1]], bq_param_scalar(1, "integer", name = "a"))
  expect_equal(p[[2]], bq_param_scalar("x", name = "b"))
  expect_equal(p[[3]], bq_param_array(1:3, name = "c"))
})

test_that("parameter json doesn't change without notice", {
  expect_snapshot({
    as_bq_params(list(
      scalar = "a",
      vector = c("a", "b", "c")
    ))
  })
})

test_that("checks inputs", {
  expect_snapshot(error = TRUE, {
    bq_param_scalar(1:3)
    bq_param_array(integer())
  })
})