+ [['asc', :<=],
+ ['desc', :>=]].each do |order, operator|
+ test "user with project read permission can sort project collections #{order}" do
+ authorize_with :project_viewer
+ get :contents, {
+ id: groups(:asubproject).uuid,
+ format: :json,
+ filters: [['uuid', 'is_a', "arvados#collection"]],
+ order: "collections.name #{order}"
+ }
+ sorted_names = json_response['items'].collect { |item| item["name"] }
+ # Here we avoid assuming too much about the database
+ # collation. Both "alice"<"Bob" and "alice">"Bob" can be
+ # correct. Hopefully it _is_ safe to assume that if "a" comes
+ # before "b" in the ascii alphabet, "aX">"bY" is never true for
+ # any strings X and Y.
+ reliably_sortable_names = sorted_names.select do |name|
+ name[0] >= 'a' and name[0] <= 'z'
+ end.uniq do |name|
+ name[0]
+ end
+ # Preserve order of sorted_names. But do not use &=. If
+ # sorted_names has out-of-order duplicates, we want to preserve
+ # them here, so we can detect them and fail the test below.
+ sorted_names.select! do |name|
+ reliably_sortable_names.include? name
+ end
+ actually_checked_anything = false
+ previous = nil
+ sorted_names.each do |entry|
+ if previous
+ assert_operator(previous, operator, entry,
+ "Entries sorted incorrectly.")
+ actually_checked_anything = true
+ end
+ previous = entry
+ end
+ assert actually_checked_anything, "Didn't even find two names to compare."
+ end
+ end
+