tests/testthat/_snaps/select.md

In javifar/TIDYVERSE-DPLYR: A Grammar of Data Manipulation

grouping variables preserved with a message, unless already selected (#1511, #5841)

Code
  res <- select(df, x)
Message <message>
  Adding missing grouping variables: `g`

Code
  expect_equal(df %>% select(a = c), tibble(b = 2, a = 3) %>% group_by(b))
Message <message>
  Adding missing grouping variables: `b`
Code
  expect_equal(df %>% select(b = c), tibble(a = 1, b = 3) %>% group_by(a))
Message <message>
  Adding missing grouping variables: `a`

non-syntactic grouping variable is preserved (#1138)

Code
  df <- tibble(`a b` = 1L) %>% group_by(`a b`) %>% select()
Message <message>
  Adding missing grouping variables: `a b`

dplyr_col_select() aborts when [ implementation is broken

Code
  dplyr_col_select(df1, 2)
Error <vctrs_error_subscript_oob>
  Can't subset elements that don't exist.
  x Location 2 doesn't exist.
  i There are only 1 element.

Code
  dplyr_col_select(df1, 1)
Error <rlang_error>
  Can't reconstruct data frame.
  x The `[` method for class <dplyr_test_broken_operator/tbl_df/tbl/data.frame> must return a data frame.
  i It returned a <list>.

Code
  dplyr_col_select(df2, 1)
Error <rlang_error>
  Can't reconstruct data frame.
  x The `[` method for class <dplyr_test_operator_wrong_size/tbl_df/tbl/data.frame> must return a data frame with 1 column.
  i It returned a <data.frame> of 0 columns.

javifar/TIDYVERSE-DPLYR documentation built on Dec. 20, 2021, 9:08 p.m.