From 0fd8ba6ffff07a4556ec47840ef8c9dbd10e5e8b Mon Sep 17 00:00:00 2001
From: George Claghorn <george@basecamp.com>
Date: Tue, 31 Jul 2018 20:49:35 -0400
Subject: Prefer the ASt API

---
 app/models/action_text/rich_text.rb |   7 +++----
 test/fixtures/files/racecar.jpg     | Bin 0 -> 1124062 bytes
 test/test_helper.rb                 |   7 +++++++
 test/unit/content_test.rb           |   6 ++++++
 4 files changed, 16 insertions(+), 4 deletions(-)
 create mode 100644 test/fixtures/files/racecar.jpg

diff --git a/app/models/action_text/rich_text.rb b/app/models/action_text/rich_text.rb
index 6747def9a5..7c0fdf240d 100644
--- a/app/models/action_text/rich_text.rb
+++ b/app/models/action_text/rich_text.rb
@@ -2,15 +2,14 @@ class ActionText::RichText < ActiveRecord::Base
   self.table_name = "action_text_rich_texts"
 
   serialize :body, ActionText::Content
-  
+
   belongs_to :record, polymorphic: true, touch: true
   has_many_attached :embeds
 
-  after_save do
-    self.embeds_blobs = body.attachments.map(&:attachable)
+  before_save do
+    self.embeds = body.attachments.map(&:attachable)
   end
 
-
   def to_s
     body.to_s.html_safe
   end
diff --git a/test/fixtures/files/racecar.jpg b/test/fixtures/files/racecar.jpg
new file mode 100644
index 0000000000..934b4caa22
Binary files /dev/null and b/test/fixtures/files/racecar.jpg differ
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 94fec6b8be..79fde51549 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -19,3 +19,10 @@ if ActiveSupport::TestCase.respond_to?(:fixture_path=)
   ActiveSupport::TestCase.file_fixture_path = ActiveSupport::TestCase.fixture_path + "/files"
   ActiveSupport::TestCase.fixtures :all
 end
+
+class ActiveSupport::TestCase
+  private
+    def create_file_blob(filename:, content_type:, metadata: nil)
+      ActiveStorage::Blob.create_after_upload! io: file_fixture(filename).open, filename: filename, content_type: content_type, metadata: metadata
+    end
+end
diff --git a/test/unit/content_test.rb b/test/unit/content_test.rb
index b1a06e2cfa..f1acf054db 100644
--- a/test/unit/content_test.rb
+++ b/test/unit/content_test.rb
@@ -6,5 +6,11 @@ module ActionText
       message = Message.new(subject: "Greetings", content: "<h1>Hello world</h1>")
       assert_equal "Hello world", message.content.body.to_plain_text
     end
+
+    test "embed extraction" do
+      blob = create_file_blob(filename: "racecar.jpg", content_type: "image/jpg")
+      message = Message.create!(subject: "Greetings", content: ActionText::Content.new("Hello world").append_attachables(blob))
+      assert_equal "racecar.jpg", message.content.embeds.first.filename.to_s
+    end
   end
 end
-- 
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