test_that("climb", {
library(dplyr)
fr1 <- vec_expand_grid(key1 = letters,
key2 = rev(letters)) %>%
mutate(value = row_number()) %>%
forest_by(key1, key2) %>%
summarise(value = sum(value))
fr2 <- vec_expand_grid(key3 = rev(letters),
key2 = letters) %>%
mutate(value = row_number()) %>%
forest_by(key3, key2) %>%
summarise(value = sum(value))
fr <- rbind(fr1, fr2)
expect_equal_forest(fr %>%
climb(key1),
fr1)
expect_equal_forest(fr %>%
climb(key3),
fr2)
expect_error(fr %>%
climb(key2,
.recurse = FALSE))
expect_equal(fr %>%
climb(key2) %>%
as_tibble() %>%
vec_size(),
vec_size(as_tibble(children(fr1))) +
vec_size(as_tibble(children(fr2))))
expect_equal_forest(fr %>%
climb(key1, key2) %>%
summarise(value = sum(value)),
fr1)
expect_equal_forest(fr %>%
climb(key3, key2) %>%
summarise(value = sum(value)),
fr2)
})
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