test_that("children", {
library(dplyr)
fr1 <- vec_expand_grid(key1 = rev(letters[1:5]),
key2 = letters[1:5]) %>%
mutate(value = row_number()) %>%
forest_by(key1, key2)
fr2 <- vec_expand_grid(key1 = letters[1:5],
key3 = rev(letters[1:5])) %>%
mutate(value = row_number()) %>%
forest_by(key1, key3)
fr <- rbind(fr1, fr2)
expect_equal_forest(fr,
fr %>%
summarise() %>%
children())
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),
key4 = letters) %>%
mutate(value = row_number()) %>%
forest_by(key3, key4) %>%
summarise(value = sum(value))
fr <- rbind(fr1, fr2)
expect_error(fr %>%
children())
fr2_2 <- fr %>%
children("key3") %>%
summarise(value = sum(value))
expect_equal_forest(fr2, fr2_2)
})
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