def test_pair_for_2(self):
pair = UniswapV2Utils.pair_for(self.factory, self.weth_token,
self.link_token)
self.assertEqual(pair, self.link_weth_pair)
def test_sort_tokens_equal(self):
with self.assertRaises(AssertionError):
UniswapV2Utils.sort_tokens(self.link_token, self.link_token)
def test_sort_tokens_zero(self):
with self.assertRaises(AssertionError):
UniswapV2Utils.sort_tokens(Web3.toHex(0x0), self.link_token)
def test_sort_tokens_2(self):
token_0, token_1 = UniswapV2Utils.sort_tokens(self.weth_token,
self.link_token)
self.assertEqual(token_0, self.link_token)
self.assertEqual(token_1, self.weth_token)