tests/testthat/test-topic_long_table_body.R

In billdenney/TopicLongTableR: Create LaTeX Tables Using the topiclongtable CTAN Package

test_that("simple table body generation", {
  expect_equal(
    topic_long_table_body(data.frame(A=1), topic_cols=1),
    "\\TopicLine \\Topic[1] \\\\"
  )
  expect_equal(
    topic_long_table_body(data.frame(A=1, B=2), topic_cols=1),
    "\\TopicLine \\Topic[1] & 2 \\\\"
  )
  expect_equal(
    topic_long_table_body(data.frame(A=1:2, B=3:4), topic_cols=1),
    paste(
      "\\TopicLine \\Topic[1] & 3 \\\\\\pagebreak[3]",
      "\\TopicLine \\Topic[2] & 4 \\\\",
      sep = "\n"
    )
  )
})

test_that("body arguments are respected", {
  expect_equal(
    topic_long_table_body(data.frame(A=1), topic_cols=1, row_border="foo"),
    "foo \\Topic[1] \\\\"
  )
  expect_equal(
    topic_long_table_body(data.frame(A=1:2, B=3:4), topic_cols=1, row_border="foo"),
    paste(
      "foo \\Topic[1] & 3 \\\\\\pagebreak[3]",
      "foo \\Topic[2] & 4 \\\\",
      sep = "\n"
    )
  )
  expect_equal(
    topic_long_table_body(verbatim = "foo"),
    "foo"
  )
  expect_error(
    topic_long_table_body(verbatim = 1),
    "`verbatim` must be a character scalar."
  )
  expect_error(
    topic_long_table_body(verbatim = c("a", "b")),
    "`verbatim` must be a character scalar."
  )
})

test_that("topic_long_table_body latex_clean", {
  expect_equal(
    topic_long_table_body(x = matrix(1:4, nrow = 2), topic_cols = 1),
    topic_long_table_body(x = data.frame(A=1:2, B=3:4), topic_cols = 1)
  )
})

test_that("topic_long_table_body expected errors", {
  expect_error(
    topic_long_table_body(x = "A", topic_cols = 1),
    "x must be a data.frame"
  )
})