# colwise select() / rename() give meaningful errors
Code
df <- tibble(x = 0L, y = 0.5, z = 1)
(expect_error(df %>% rename_all()))
Output
<error/rlang_error>
Error in `rename_all()`:
! `.funs` must specify a renaming function.
Code
(expect_error(df %>% rename_if(is_integerish)))
Output
<error/rlang_error>
Error in `rename_if()`:
! `.funs` must specify a renaming function.
Code
(expect_error(df %>% rename_at(vars(x:y))))
Output
<error/rlang_error>
Error in `rename_at()`:
! `.funs` must specify a renaming function.
Code
(expect_error(df %>% rename_all(list(tolower, toupper))))
Output
<error/rlang_error>
Error in `rename_all()`:
! `.funs` must contain one renaming function, not 2.
Code
(expect_error(df %>% select_all(list(tolower, toupper))))
Output
<error/rlang_error>
Error in `select_all()`:
! `.funs` must contain one renaming function, not 2.
Code
(expect_error(df %>% select_if(function(.x) 1)))
Output
<error/rlang_error>
Error in `select_if()`:
! `.p` is invalid.
x `.p` should return a single logical.
i `.p` returns a <double> for column `x`.
Code
(expect_error(df %>% select_if(function(.x) c(TRUE, TRUE))))
Output
<error/rlang_error>
Error in `select_if()`:
! `.p` is invalid.
x `.p` should return a single logical.
i `.p` returns a size 2 <logical> for column `x`.
Code
(expect_error(data.frame() %>% select_all(.funs = 42)))
Output
<error/rlang_error>
Error in `select_all()`:
! `.funs` must be a one sided formula, a function, or a function name.
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