diff options
Diffstat (limited to 'guides')
-rw-r--r-- | guides/source/4_2_release_notes.md | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/guides/source/4_2_release_notes.md b/guides/source/4_2_release_notes.md index 366d9d26b4..b7ab374c8b 100644 --- a/guides/source/4_2_release_notes.md +++ b/guides/source/4_2_release_notes.md @@ -302,6 +302,30 @@ application is using any of these spellings, you will need to update them: assert_select('p', 'AT&T') # => false ``` +Furthermore substitutions have changed syntax. + +Now you have to use a `:match` CSS-like selector: + +```ruby +assert_select ":match('id', ?)", 'comment_1' +``` + +Additionally Regexp substitutions look different when the assertion fails. +Notice how `/hello/` here: + +```ruby +assert_select(":match('id', ?)", /hello/) +``` + +becomes `"(?-mix:hello)"`: + +``` +Expected at least 1 element matching "div:match('id', "(?-mix:hello)")", found 0.. +Expected 0 to be >= 1. +``` + +See the [Rails Dom Testing](https://github.com/rails/rails-dom-testing/tree/8798b9349fb9540ad8cb9a0ce6cb88d1384a210b) documentation for more on `assert_select`. + Railties -------- |