Nothing
test_immediate_substitution <- function() {
if(requireNamespace('rqdatatable', quietly = TRUE)) {
library("rqdatatable")
d <- data.frame(
x = c(1, 1, 2),
y = c(5, 4, 3),
z = c(6, 7, 8)
)
condition_variable <- as.name('x')
new_value_variable <- as.name('y')
old_value_variable <- as.name('z')
res <- d %.>%
select_rows(.,
.(condition_variable) == 1) %.>%
extend(.,
.(new_value_variable) := .(old_value_variable) + 1) %.>%
order_rows(.,
c('x', 'y', 'z'))
expect <- wrapr::build_frame(
"x" , "y", "z" |
1 , 7 , 6 |
1 , 8 , 7 )
expect_true(wrapr::check_equiv_frames(res, expect))
}
invisible(NULL)
}
test_immediate_substitution()
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