def testCleanLine(self): self.assertEqual(None, Parser.cleanLine('')) self.assertEqual('123', Parser.cleanLine('123')) self.assertEqual(None, Parser.cleanLine('// 123')) self.assertEqual(None, Parser.cleanLine('//123')) self.assertEqual('123', Parser.cleanLine('123//123')) self.assertEqual('123', Parser.cleanLine('123 //123')) self.assertEqual('123', Parser.cleanLine('123 // 123'))