def test_triades_06(self): self.assertEqual(gr.triades(''), '')
def test_triades_05(self): self.assertEqual(gr.triades('abc'), 'abc')
def test_triades_02(self): self.assertEqual(gr.triades('abcdefg'), 'a.bcd.efg')
def test_triades_03(self): self.assertEqual(gr.triades('abcdefg', '|'), 'a|bcd|efg')
def test_triades_01(self): self.assertEqual(gr.triades('abcdef'), 'abc.def')