модуль ActionText::SystemTestHelper

# File actiontext/lib/action_text/system_test_helper.rb, line 35
def fill_in_rich_text_area(locator = nil, with:)
  find(:rich_text_area, locator).execute_script("this.editor.loadHTML(arguments[0])", with.to_s)
end

Находит редактор Trix и заполняет его заданным HTML.

Редактор можно найти по: * его id * его placeholder * тексту из его label элемента * его aria-label * name его входного поля

Примеры:

# <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>"

# <label for="message_content">Message content</label>
# <trix-editor id="message_content" ...></trix-editor>
fill_in_rich_text_area "Message content", 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>"