# note: this should be converted to a full test when #4030 is completed

desc: test that r.union is a top level function
table_variable_name: tbl
tests:
    
    # == setup
    
    - def: data = [{'id':1}, {'id':2}, {'id':3}, {'id':4}, {'id':5}, {'id':6}]
    - def: changes = [{'id':7}, {'id':8}, {'id':9}, {'id':10}]
    
    - cd: tbl.insert(data)
      ot: partial({'errors':0, 'inserted':6})
    
    - cd: tbl.count()
      ot: (6)
    
    # == tests
    
    # - two streams    
    - cd: tbl.union(tbl)
      ot:
        cd: bag(data * 2)
        js: bag(data.concat(data))
    
    # - top level object
    - cd: r.union(tbl, tbl)
      ot:
        cd: bag(data * 2)
        js: bag(data.concat(data))
    
#    # - two changefeeds
#    
#    - cd: unionFeed = tbl.changes().union(tbl.changes())['new_val']
#      js: unionFeed = tbl.changes().union(tbl.changes())('new_val')
#    - cd: tbl.insert(changes)
#    - cd: fetch(unionFeed, 4 * 2)
#      ot:
#        cd: bag(changes * 2)
#        js: bag(changes.concat(changes))
#    
#    # == errors
#    
#    # - order by
#    
#    - cd: tbl.union(tbl).changes().order_by('id')
#      ot: err('ReqlRuntimeError', "Cannot call a terminal (`reduce`, `count`, etc.) on an infinite stream (such as a changefeed).")
#