tests/testthat/test-condition-names.R

In randomizr: Easy-to-Use Tools for Common Forms of Random Assignment and Sampling

context("Condition Names")


expect_u <- function(draw, l) {
  expect_true(all(draw %in% l))
}

test_that("Condition Names", {
  N <- 10
  
  expect_u(complete_ra(N, 5), 0:1)
  
  
  expect_u(complete_ra(N = N, num_arms = 2),
           c("T1", "T2"))
  
  expect_u(complete_ra(N = N, num_arms = 3),
           c("T1", "T2", "T3"))
  
  expect_u(complete_ra(
    N = N,
    m = 3,
    conditions = c(T, F)
  ),
  c(TRUE, FALSE))
  
  expect_u(complete_ra(
    N = N,
    m = 3,
    conditions = c(F, T)
  ),
  c(FALSE, TRUE))
  
  expect_u(complete_ra(10, conditions = c("C", "B", "A")),
           c("C", "B", "A"))
  
  expect_error(complete_ra(100, conditions = c("C", "C", "T")))
})

# factors -----------------------------------------------------------------

test_that("Condition Names w/ factors", {
  N <- 32
  
  fact_1 <- factor(c("A", "B"), levels = c("A", "B"))
  fact_2 <- factor(c("A", "B"), levels = c("B", "A"))
  
  expect_u(complete_ra(N, conditions = fact_1),
           fact_1)
  
  expect_u(complete_ra(N, conditions = fact_2),
           fact_2)
  
})