Add ActionDispatch::SystemTestCase#fill_in_rich_text_area

1 files changed, 18 insertions, 0 deletions

diff --git a/actiontext/CHANGELOG.md b/actiontext/CHANGELOG.md
index b165f8b323..9a314db75c 100644
--- a/actiontext/CHANGELOG.md
+++ b/actiontext/CHANGELOG.md
@@ -1,3 +1,21 @@
+*  The `fill_in_rich_text_area` system test helper locates a Trix editor and fills it in with the given HTML:
+
+   ```ruby
+   # <trix-editor id="message_content" ...></trix-editor>
+   fill_in_rich_text_area "message_content", with: "Hello <em>world!</em>"
+
+   # <trix-editor placeholder="Your message here" ...></trix-editor>
+   fill_in_rich_text_area "Your message here", with: "Hello <em>world!</em>"
+
+   # <trix-editor aria-label="Message content" ...></trix-editor>
+   fill_in_rich_text_area "Message content", with: "Hello <em>world!</em>"
+
+   # <input id="trix_input_1" name="message[content]" type="hidden">
+   # <trix-editor input="trix_input_1"></trix-editor>
+   fill_in_rich_text_area "message[content]", with: "Hello <em>world!</em>"
+   ```
+
+   *George Claghorn*
 
 
 Please check [6-0-stable](https://github.com/rails/rails/blob/6-0-stable/actiontext/CHANGELOG.md) for previous changes.