X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/840b855ff0317e66f4176ae0f23e9785f72267b4..85c625c40ad873d0efac33f8a63c1ee256185e36:/apps/workbench/test/unit/arvados_resource_list_test.rb

diff --git a/apps/workbench/test/unit/arvados_resource_list_test.rb b/apps/workbench/test/unit/arvados_resource_list_test.rb
index cfdf8f9244..270b96203b 100644
--- a/apps/workbench/test/unit/arvados_resource_list_test.rb
+++ b/apps/workbench/test/unit/arvados_resource_list_test.rb
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 require 'test_helper'
 
 class ResourceListTest < ActiveSupport::TestCase
@@ -99,4 +103,20 @@ class ResourceListTest < ActiveSupport::TestCase
     assert_nil c.items_available
     refute_empty c.results
   end
+
+  test 'cache results across each(&block) calls' do
+    use_token :admin
+    c = Collection.where(owner_uuid: 'zzzzz-j7d0g-0201collections').with_count('none')
+    c.each do |x|
+      x.description = 'foo'
+    end
+    found = 0
+    c.each do |x|
+      found += 1
+      # We should get the same objects we modified in the loop above
+      # -- not new objects built from another set of API responses.
+      assert_equal 'foo', x.description
+    end
+    assert_equal 201, found
+  end
 end