tests/testthat/test-freq_subset.R

In tidytlg: Create TLGs using the 'tidyverse'

library(tibble)
library(haven)

test_that("subset will filter records as expected", {
  mtcars2 <- mtcars %>%
    rownames_to_column(var = "USUBJID") %>%
    mutate(
      am = factor(am),
      cyl = factor(cyl),
      gear = factor(gear)
    )

  mtcars3 <- freq(mtcars2,
    colvar = "am",
    rowvar = "cyl",
    subset = gear == 4,
    statlist = statlist("n (x.x%)")
  )

  expect_equal(mtcars3[["0"]],
    c("2 (10.5%)", "2 (10.5%)", "0"),
    ignore_attr = TRUE
  )
})