Adding inline attachment support to ActionMailer

3 files changed, 26 insertions, 0 deletions

diff --git a/actionmailer/test/base_test.rb b/actionmailer/test/base_test.rb
index 54bf3de6af..b9226196fd 100644
--- a/actionmailer/test/base_test.rb
+++ b/actionmailer/test/base_test.rb
@@ -33,6 +33,11 @@ class BaseTest < ActiveSupport::TestCase
       mail(hash)
     end
 
+    def inline_attachment
+      attachments.inline['logo.png'] = "\312\213\254\232"
+      mail
+    end
+
     def attachment_with_content(hash = {})
       attachments['invoice.pdf'] = 'This is test File content'
       mail(hash)
@@ -264,6 +269,18 @@ class BaseTest < ActiveSupport::TestCase
     assert_equal("application/pdf", email.parts[1].mime_type)
     assert_equal("VGhpcyBpcyB0ZXN0IEZpbGUgY29udGVudA==\r\n", email.parts[1].body.encoded)
   end
+  
+  test "can embed an inline attachment" do
+    email = BaseMailer.inline_attachment
+    # Need to call #encoded to force the JIT sort on parts
+    email.encoded
+    assert_equal(2, email.parts.length)
+    assert_equal("multipart/related", email.mime_type)
+    assert_equal("multipart/alternative", email.parts[0].mime_type)
+      assert_equal("text/plain", email.parts[0].parts[0].mime_type)
+      assert_equal("text/html",  email.parts[0].parts[1].mime_type)
+    assert_equal("logo.png", email.parts[1].filename)
+  end
 
   # Defaults values
   test "uses default charset from class" do
diff --git a/actionmailer/test/fixtures/base_mailer/inline_attachment.html.erb b/actionmailer/test/fixtures/base_mailer/inline_attachment.html.erb
new file mode 100644
index 0000000000..e200878127
--- /dev/null
+++ b/actionmailer/test/fixtures/base_mailer/inline_attachment.html.erb
@@ -0,0 +1,5 @@
+<h1>Inline Image</h1>
+
+<%= image_tag attachments['logo.png'].url %>
+
+<p>This is an image that is inline</p>
\ No newline at end of file
diff --git a/actionmailer/test/fixtures/base_mailer/inline_attachment.text.erb b/actionmailer/test/fixtures/base_mailer/inline_attachment.text.erb
new file mode 100644
index 0000000000..e161d244d2
--- /dev/null
+++ b/actionmailer/test/fixtures/base_mailer/inline_attachment.text.erb
@@ -0,0 +1,4 @@
+Inline Image
+
+No image for you
+