tests/testthat/_snaps/problems.md

In vroom: Read and Write Rectangular Text Data Quickly

problems returns a detailed warning message

Code
  vroom(I("a,b,c\nx,y,z,,"), altrep = FALSE, col_types = "ccc")
Condition
  Warning:
  One or more parsing issues, call `problems()` on your data frame for details, e.g.:
    dat <- vroom(...)
    problems(dat)
Output
  # A tibble: 1 x 3
    a     b     c    
    <chr> <chr> <chr>
  1 x     y     z,,

emits an error message if provided incorrect input

Code
  problems(a_vector)
Condition
  Error in `problems()`:
  ! The `x` argument of `vroom::problems()` must be a data frame created by vroom:
  x `x` has class <numeric>

Code
  problems(a_tibble)
Condition
  Error in `problems()`:
  ! The `x` argument of `vroom::problems()` must be a data frame created by vroom:
  x `x` seems to have been created with something else, maybe readr?

vroom documentation built on Oct. 2, 2023, 5:07 p.m.