1 files changed, 20 insertions, 7 deletions
diff --git a/activestorage/test/models/blob_test.rb b/activestorage/test/models/blob_test.rb
index 1a6a89de56..0eac622d72 100644
--- a/activestorage/test/models/blob_test.rb
+++ b/activestorage/test/models/blob_test.rb
@@ -121,12 +121,21 @@ class ActiveStorage::BlobTest < ActiveSupport::TestCase
     end
   end
 
-  test "urls force attachment as content disposition for content types served as binary" do
+  test "urls force content_type to binary and attachment as content disposition for content types served as binary" do
     blob = create_blob(content_type: "text/html")
 
     freeze_time do
-      assert_equal expected_url_for(blob, disposition: :attachment), blob.service_url
-      assert_equal expected_url_for(blob, disposition: :attachment), blob.service_url(disposition: :inline)
+      assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/octet-stream"), blob.service_url
+      assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/octet-stream"), blob.service_url(disposition: :inline)
+    end
+  end
+
+  test "urls force attachment as content disposition when the content type is not allowed inline" do
+    blob = create_blob(content_type: "application/zip")
+
+    freeze_time do
+      assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/zip"), blob.service_url
+      assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/zip"), blob.service_url(disposition: :inline)
     end
   end
 
@@ -148,7 +157,7 @@ class ActiveStorage::BlobTest < ActiveSupport::TestCase
     arguments = [
       blob.key,
       expires_in: ActiveStorage.service_urls_expire_in,
-      disposition: :inline,
+      disposition: :attachment,
       content_type: blob.content_type,
       filename: blob.filename,
       thumb_size: "300x300",
@@ -183,9 +192,13 @@ class ActiveStorage::BlobTest < ActiveSupport::TestCase
   end
 
   private
-    def expected_url_for(blob, disposition: :inline, filename: nil)
+    def expected_url_for(blob, disposition: :attachment, filename: nil, content_type: nil)
       filename ||= blob.filename
-      query_string = { content_type: blob.content_type, disposition: ActionDispatch::Http::ContentDisposition.format(disposition: disposition, filename: filename.sanitized) }.to_param
-      "https://example.com/rails/active_storage/disk/#{ActiveStorage.verifier.generate(blob.key, expires_in: 5.minutes, purpose: :blob_key)}/#{filename}?#{query_string}"
+      content_type ||= blob.content_type
+
+      query = { disposition: disposition.to_s + "; #{filename.parameters}", content_type: content_type }
+      key_params = { key: blob.key }.merge(query)
+
+      "https://example.com/rails/active_storage/disk/#{ActiveStorage.verifier.generate(key_params, expires_in: 5.minutes, purpose: :blob_key)}/#{filename}?#{query.to_param}"
     end
 end