Nothing
test_that("chunk", {
x = 1:10
n_chunks = 2
expect_integer(chunk(length(x), n_chunks = n_chunks), len = length(x), lower = 1, upper = n_chunks, any.missing = FALSE)
x = 1:10
n_chunks = 1
expect_integer(chunk(length(x), n_chunks = n_chunks), len = length(x), lower = 1, upper = n_chunks, any.missing = FALSE)
x = 1:10
n_chunks = 10
expect_integer(chunk(length(x), n_chunks = n_chunks), len = length(x), lower = 1, upper = n_chunks, any.missing = FALSE)
x = 1:10
n_chunks = 20
expect_integer(chunk(length(x), n_chunks = n_chunks), len = length(x), lower = 1, upper = n_chunks, any.missing = FALSE)
x = integer(0)
n_chunks = 20
expect_integer(chunk(length(x), n_chunks = n_chunks), len = length(x), lower = 1, upper = n_chunks, any.missing = FALSE)
x = 1:10
chunk_size = 3
res = chunk(length(x), chunk_size = chunk_size)
expect_integer(res, len = length(x), lower = 1, upper = length(x), any.missing = FALSE)
expect_integer(table(res), lower = 1, upper = chunk_size, any.missing = FALSE)
x = 1:10
chunk_size = 1
res = chunk(length(x), chunk_size = chunk_size)
expect_integer(res, len = length(x), lower = 1, upper = length(x), any.missing = FALSE)
expect_integer(table(res), lower = 1, upper = chunk_size, any.missing = FALSE)
expect_equal(chunk(0, chunk_size = 1), integer(0))
expect_equal(chunk(0, n_chunks = 1), integer(0))
x = 1:10
n_chunks = 2
res = c(rep(1, 5), rep(2, 5))
expect_equal(chunk(length(x), n_chunks = n_chunks, shuffle = FALSE), res)
res = chunk_vector(letters[1:10], n_chunks = 2)
expect_list(res, types = "character", len = 2)
expect_subset(res[[1]], letters[1:10])
expect_subset(res[[2]], letters[1:10])
expect_character(unlist(res), unique = TRUE)
})
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