1 files changed, 39 insertions, 0 deletions
diff --git a/actiontext/test/system/system_test_helper_test.rb b/actiontext/test/system/system_test_helper_test.rb
new file mode 100644
index 0000000000..2a57fa8d88
--- /dev/null
+++ b/actiontext/test/system/system_test_helper_test.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+require "application_system_test_case"
+
+class ActionText::SystemTestHelperTest < ApplicationSystemTestCase
+  test "filling in a rich-text area by ID" do
+    visit new_message_url
+    assert_selector "trix-editor#message_content"
+    fill_in_rich_text_area "message_content", with: "Hello world!"
+    assert_selector :field, "message[content]", with: /Hello world!/, type: "hidden"
+  end
+
+  test "filling in a rich-text area by placeholder" do
+    visit new_message_url
+    assert_selector "trix-editor[placeholder='Your message here']"
+    fill_in_rich_text_area "Your message here", with: "Hello world!"
+    assert_selector :field, "message[content]", with: /Hello world!/, type: "hidden"
+  end
+
+  test "filling in a rich-text area by aria-label" do
+    visit new_message_url
+    assert_selector "trix-editor[aria-label='Message content']"
+    fill_in_rich_text_area "Message content", with: "Hello world!"
+    assert_selector :field, "message[content]", with: /Hello world!/, type: "hidden"
+  end
+
+  test "filling in a rich-text area by input name" do
+    visit new_message_url
+    assert_selector "trix-editor[input]"
+    fill_in_rich_text_area "message[content]", with: "Hello world!"
+    assert_selector :field, "message[content]", with: /Hello world!/, type: "hidden"
+  end
+
+  test "filling in the only rich-text area" do
+    visit new_message_url
+    fill_in_rich_text_area with: "Hello world!"
+    assert_selector :field, "message[content]", with: /Hello world!/, type: "hidden"
+  end
+end