diff --git a/test/fixtures/communication/website.yml b/test/fixtures/communication/website.yml
new file mode 100644
index 0000000000000000000000000000000000000000..5e9fc04572143c27e0ac3edf2cca2755f6bfe8f1
--- /dev/null
+++ b/test/fixtures/communication/website.yml
@@ -0,0 +1,3 @@
+test:
+  university: test
+  name: Site de test
diff --git a/test/fixtures/university.yml b/test/fixtures/university.yml
new file mode 100644
index 0000000000000000000000000000000000000000..0ef3e762f353b857b6a82e0e390b29bbf8ad422a
--- /dev/null
+++ b/test/fixtures/university.yml
@@ -0,0 +1,2 @@
+test:
+  name: Université de test
diff --git a/test/models/summernote_test.rb b/test/models/summernote_test.rb
index 348a45c6cdf0b7366f0bb7edc9a80a99187b3c72..2079616b63414b92783928bbd1c1eb84315d2d59 100644
--- a/test/models/summernote_test.rb
+++ b/test/models/summernote_test.rb
@@ -1,5 +1,22 @@
 require "test_helper"
 
 class SummernoteTest < ActiveSupport::TestCase
-
+  test "dehydrate" do
+    post = Communication::Website::Post.new university: university(:test),
+                                            website: communication_website(:test),
+                                            title: 'test',
+                                            slug: 'test'
+    post.text_new = "<action-text-attachment sgid=\"sgid\" content-type=\"image/jpeg\" url=\"http://localhost:3000/dan-gold.jpeg\" filename=\"test.jpg\" filesize=\"352931\" width=\"588\" height=\"746\" previewable=\"true\" presentation=\"gallery\">
+      <figure class=\"attachment attachment--preview attachment--jpg\">
+        <picture>
+          <source srcset=\"/rails/active_storage/representations/redirect/eyJfcmFpbHMiOns...watchingwindows_com_08.jpg 100w, /rails/active_storage/representations/redirect/eyJfcmFpbHMiOns...watchingwindows_com_08.jpg 200w\" type=\"image/webp\">
+          <source srcset=\"/rails/active_storage/representations/redirect/eyJfcmFpbHMiOns...watchingwindows_com_08.jpg 100w, /rails/active_storage/representations/redirect/eyJfcmFpbHMiOns...watchingwindows_com_08.jpg\" type=\"image/jpeg\">
+          <img src=\"/rails/active_storage/representations/redirect/eyJfcmFpbHMiOns...watchingwindows_com_08.jpg\" loading=\"lazy\" decoding=\"async\" width=\"800\">
+        </picture>
+      </figure>
+    </action-text-attachment>"
+    post.save
+    post.reload
+    assert_equal "<action-text-attachment sgid=\"sgid\" content-type=\"image/jpeg\" url=\"http://localhost:3000/dan-gold.jpeg\" filename=\"test.jpg\" filesize=\"352931\" width=\"588\" height=\"746\" previewable=\"true\" presentation=\"gallery\"></action-text-attachment>", post.text_new_before_type_cast
+  end
 end