tests/testit/test-utils.md

In testit: A Simple Package for Testing R Packages

This block checks deletion-style mini_diff output.

mini_diff(c('a', 'b', 'c'), c('a', 'c'))

  a
- b
  c

This block checks insertion-style mini_diff output.

mini_diff(c('a', 'c'), c('a', 'b', 'c'))

  a
+ b
  c

This block checks replacement-style mini_diff output.

mini_diff(c('a'), c('b'))

- a
+ b

This block checks that mini_diff emits an ellipsis for skipped context.

x1 = paste0('L', 1:16)
x2 = x1
x2[c(3, 13)] = c('X', 'Y')
mini_diff(x1, x2)

  L1
  L2
- L3
+ X
  L4
  L5
  L6
  ...
  L10
  L11
  L12
- L13
+ Y
  L14
  L15
  L16

testit documentation built on April 21, 2026, 9:07 a.m.