Nothing
test_that("can handle collapsed rows", {
df <- tibble(x = 1:3, y = c("a", "d,e,f", "g,h"))
expect_equal(separate_rows(df, y)$y, unlist(strsplit(df$y, "\\,")))
})
test_that("can handle empty data frames (#308)", {
df <- tibble(a = character(), b = character())
rs <- separate_rows(df, b)
expect_equal(rs, tibble(a = character(), b = unspecified()))
})
test_that("default pattern does not split decimals in nested strings", {
df <- dplyr::tibble(x = 1:3, y = c("1", "1.0,1.1", "2.1"))
expect_equal(separate_rows(df, y)$y, unlist(strsplit(df$y, ",")))
})
test_that("preserves grouping", {
df <- tibble(g = 1, x = "a:b") %>% dplyr::group_by(g)
rs <- df %>% separate_rows(x)
expect_equal(class(df), class(rs))
expect_equal(dplyr::group_vars(df), dplyr::group_vars(rs))
})
test_that("drops grouping when needed", {
df <- tibble(x = 1, y = "a:b") %>% dplyr::group_by(x, y)
out <- df %>% separate_rows(y)
expect_equal(out$y, c("a", "b"))
expect_equal(dplyr::group_vars(out), "x")
out <- df %>%
dplyr::group_by(y) %>%
separate_rows(y)
expect_equal(dplyr::group_vars(out), character())
})
test_that("drops grouping on zero row data frames when needed (#886)", {
df <- tibble(x = numeric(), y = character()) %>% dplyr::group_by(y)
out <- df %>% separate_rows(y)
expect_equal(dplyr::group_vars(out), character())
})
test_that("convert produces integers etc", {
df <- tibble(x = "1,2,3", y = "T,F,T", z = "a,b,c")
out <- separate_rows(df, x, y, z, convert = TRUE)
expect_equal(class(out$x), "integer")
expect_equal(class(out$y), "logical")
expect_equal(class(out$z), "character")
})
test_that("leaves list columns intact (#300)", {
df <- tibble(x = "1,2,3", y = list(1))
out <- separate_rows(df, x)
# Can't compare tibbles with list columns directly
expect_equal(names(out), c("x", "y"))
expect_equal(out$x, as.character(1:3))
expect_equal(out$y, rep(list(1), 3))
})
test_that("does not silently drop blank values (#1014)", {
df <- tibble(x = 1:3, y = c("a", "d,e,f", ""))
out <- separate_rows(df, y)
expect_equal(
out,
tibble(x = c(1, 2, 2, 2, 3), y = c("a", "d", "e", "f", ""))
)
})
test_that("it validates its inputs", {
df <- tibble(x = 1:3, y = c("a", "d,e,f", ""))
expect_snapshot(error = TRUE, {
separate_rows(df, x, sep = 1)
separate_rows(df, x, convert = 1)
})
})
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