Nothing
tar_test("tar_group() works", {
skip_cran()
skip_if_not_installed("dplyr")
out <- data_frame(
x = seq_len(6),
id = rep(letters[seq_len(3)], each = 2)
)
out <- dplyr::group_by(out, id)
out <- tar_group(out)
exp <- data_frame(
x = seq_len(6),
id = rep(letters[seq_len(3)], each = 2),
tar_group = rep(seq_len(3), each = 2)
)
expect_equiv(out, exp)
})
tar_test("tar_group() needs group_by()", {
skip_cran()
skip_if_not_installed("dplyr")
out <- data_frame(
x = seq_len(6),
id = rep(letters[seq_len(3)], each = 2)
)
expect_error(tar_group(out), class = "tar_condition_validate")
})
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