class TestEvaluator(unittest.TestCase): def setUp(self): # multiple forms in a single test share mutable global env self.r = Repl() def checkForm(self, form, expected): try: ival = self.r.evalForm(form) val, err = getVal(ival), getErr(ival) self.assertTrue(val == expected, "%s => (%s, %s)"%(to_string(form), val, err)) except Exception, why: self.fail("%s => %s"%(form, why))