1 files changed, 25 insertions, 0 deletions
diff --git a/activestorage/test/controllers/blobs_controller_test.rb b/activestorage/test/controllers/blobs_controller_test.rb
index 9c811df895..9bf2641de6 100644
--- a/activestorage/test/controllers/blobs_controller_test.rb
+++ b/activestorage/test/controllers/blobs_controller_test.rb
@@ -20,3 +20,28 @@ class ActiveStorage::BlobsControllerTest < ActionDispatch::IntegrationTest
     assert_equal "max-age=300, private", @response.headers["Cache-Control"]
   end
 end
+
+if SERVICE_CONFIGURATIONS[:s3] && SERVICE_CONFIGURATIONS[:s3][:access_key_id].present?
+  class ActiveStorage::S3BlobsControllerTest < ActionDispatch::IntegrationTest
+    setup do
+      @old_service = ActiveStorage::Blob.service
+      ActiveStorage::Blob.service = ActiveStorage::Service.configure(:s3, SERVICE_CONFIGURATIONS)
+    end
+
+    teardown do
+      ActiveStorage::Blob.service = @old_service
+    end
+
+    test "allow redirection to the different host" do
+      blob = create_file_blob filename: "racecar.jpg"
+
+      assert_nothing_raised { get rails_blob_url(blob) }
+      assert_response :redirect
+      assert_no_match @request.host, @response.headers["Location"]
+    ensure
+      blob.purge
+    end
+  end
+else
+  puts "Skipping S3 redirection tests because no S3 configuration was supplied"
+end