text: import unittest
  
  from rdflib import Namespace, Literal
  
  from sparqlslurper import SlurpyGraph
  
  
  class AlreadyResolvedTestCase(unittest.TestCase):
      def test_already_resolved(self):
          g = SlurpyGraph("endpoint")
          EX = Namespace("http://example.org/")
          g.resolved_nodes.append((EX.s1, EX.p1, EX.o1))
          g.resolved_nodes.append((EX.s1, EX.p1, Literal("Steam")))
          g.resolved_nodes.append((EX.s1, EX.p1, Literal(117)))
          g.resolved_nodes.append((EX.s2, EX.p2, None))
          g.resolved_nodes.append((EX.s3, None, EX.o3))
          g.resolved_nodes.append((EX.s3, None, Literal("Gas")))
          g.resolved_nodes.append((EX.s3, None, Literal(-42)))
          g.resolved_nodes.append((EX.s4, None, None))
          g.resolved_nodes.append((None, EX.p5, EX.o5))
          g.resolved_nodes.append((None, EX.p5, Literal("Coal")))
          g.resolved_nodes.append((None, EX.p5, Literal(11.2)))
          g.resolved_nodes.append((None, EX.p6, None))
          g.resolved_nodes.append((None, None, EX.o7))
          g.resolved_nodes.append((None, None, Literal("Wood")))
          g.resolved_nodes.append((None, None, Literal(3.14159)))
          self.assertTrue(g.already_resolved((None, None, None)))
  
          self.assertTrue(g.already_resolved((EX.s1, EX.p1, EX.o1)))
          self.assertFalse(g.already_resolved((EX.s1, EX.p1, EX.o2)))
          self.assertTrue(g.already_resolved((EX.s1, EX.p1, Literal("Steam"))))
          self.assertFalse(g.already_resolved((EX.s1, EX.p1, Literal("Gas"))))
          self.assertTrue(g.already_resolved((EX.s1, EX.p1, Literal(117))))
          self.assertFalse(g.already_resolved((EX.s1, EX.p1, Literal(118))))
          self.assertFalse(g.already_resolved((EX.s1, None, Literal(117))))
          self.assertFalse(g.already_resolved((None, EX.p1, Literal(117))))
  
          self.assertTrue(g.already_resolved((EX.s2, EX.p2, Literal(143))))
          self.assertFalse(g.already_resolved((EX.s2, None, Literal(143))))
          self.assertTrue(g.already_resolved((EX.s4, EX.p4, None)))
          self.assertTrue(g.already_resolved((EX.s4, None, Literal(12))))
          self.assertTrue(g.already_resolved((EX.s4, None, None)))
  
          self.assertTrue(g.already_resolved((EX.s5, EX.p5, EX.o5)))
          self.assertFalse(g.already_resolved((EX.s5, EX.p5, EX.o5n)))
  
          self.assertTrue(g.already_resolved((EX.s7, None, EX.o7)))
          self.assertTrue(g.already_resolved((None, EX.p7, EX.o7)))
          self.assertFalse(g.already_resolved((EX.s7, None, None)))
  
  
  if __name__ == '__main__':
      unittest.main()
  