diff --git a/ryu/tests/unit/packet/test_arp.py b/ryu/tests/unit/packet/test_arp.py
index 5f12ae36..c9bf6e24 100644
--- a/ryu/tests/unit/packet/test_arp.py
+++ b/ryu/tests/unit/packet/test_arp.py
@@ -108,10 +108,10 @@ class Test_arp(unittest.TestCase):
         eq_(res[2], self.hlen)
         eq_(res[3], self.plen)
         eq_(res[4], self.opcode)
-        eq_(addrconv.mac.bin_to_text(res[5]), self.src_mac)
-        eq_(addrconv.ipv4.bin_to_text(res[6]), self.src_ip)
-        eq_(addrconv.mac.bin_to_text(res[7]), self.dst_mac)
-        eq_(addrconv.ipv4.bin_to_text(res[8]), self.dst_ip)
+        eq_(res[5], addrconv.mac.text_to_bin(self.src_mac))
+        eq_(res[6], addrconv.ipv4.text_to_bin(self.src_ip))
+        eq_(res[7], addrconv.mac.text_to_bin(self.dst_mac))
+        eq_(res[8], addrconv.ipv4.text_to_bin(self.dst_ip))
 
     def _build_arp(self, vlan_enabled):
         if vlan_enabled is True:
diff --git a/ryu/tests/unit/packet/test_ethernet.py b/ryu/tests/unit/packet/test_ethernet.py
index 504a560f..151e5c67 100644
--- a/ryu/tests/unit/packet/test_ethernet.py
+++ b/ryu/tests/unit/packet/test_ethernet.py
@@ -79,8 +79,8 @@ class Test_ethernet(unittest.TestCase):
         fmt = ethernet._PACK_STR
         res = struct.unpack(fmt, buf)
 
-        eq_(addrconv.mac.bin_to_text(res[0]), self.dst)
-        eq_(addrconv.mac.bin_to_text(res[1]), self.src)
+        eq_(res[0], addrconv.mac.text_to_bin(self.dst))
+        eq_(res[1], addrconv.mac.text_to_bin(self.src))
         eq_(res[2], self.ethertype)
 
     @raises(Exception)
diff --git a/ryu/tests/unit/packet/test_icmpv6.py b/ryu/tests/unit/packet/test_icmpv6.py
index 26b8c898..87e16960 100644
--- a/ryu/tests/unit/packet/test_icmpv6.py
+++ b/ryu/tests/unit/packet/test_icmpv6.py
@@ -203,7 +203,8 @@ class Test_icmpv6_neighbor_solict(unittest.TestCase):
         eq_(msg.code, self.code)
         eq_(msg.csum, self.csum)
         eq_(msg.data.res >> 29, self.res)
-        eq_(msg.data.dst, self.dst)
+        eq_(addrconv.ipv6.text_to_bin(msg.data.dst),
+            addrconv.ipv6.text_to_bin(self.dst))
         eq_(n, None)
         if data:
             nd = msg.data
@@ -234,7 +235,7 @@ class Test_icmpv6_neighbor_solict(unittest.TestCase):
         eq_(code, self.code)
         eq_(csum, nd_csum)
         eq_(res >> 29, self.res)
-        eq_(addrconv.ipv6.bin_to_text(dst), self.dst)
+        eq_(dst, addrconv.ipv6.text_to_bin(self.dst))
         eq_(data, '')
 
     def test_serialize_with_data(self):
@@ -257,10 +258,10 @@ class Test_icmpv6_neighbor_solict(unittest.TestCase):
         eq_(code, self.code)
         eq_(csum, nd_csum)
         eq_(res >> 29, self.res)
-        eq_(addrconv.ipv6.bin_to_text(dst), self.dst)
+        eq_(dst, addrconv.ipv6.text_to_bin(self.dst))
         eq_(nd_type, self.nd_type)
         eq_(nd_length, self.nd_length)
-        eq_(addrconv.mac.bin_to_text(nd_hw_src), self.nd_hw_src)
+        eq_(nd_hw_src, addrconv.mac.text_to_bin(self.nd_hw_src))
 
 
 class Test_icmpv6_neighbor_advert(Test_icmpv6_neighbor_solict):
diff --git a/ryu/tests/unit/packet/test_ipv4.py b/ryu/tests/unit/packet/test_ipv4.py
index 4dbc4f2b..d04c4262 100644
--- a/ryu/tests/unit/packet/test_ipv4.py
+++ b/ryu/tests/unit/packet/test_ipv4.py
@@ -118,8 +118,8 @@ class Test_ipv4(unittest.TestCase):
         eq_(res[4], self.flg_off)
         eq_(res[5], self.ttl)
         eq_(res[6], self.proto)
-        eq_(addrconv.ipv4.bin_to_text(res[8]), self.src)
-        eq_(addrconv.ipv4.bin_to_text(res[9]), self.dst)
+        eq_(res[8], addrconv.ipv4.text_to_bin(self.src))
+        eq_(res[9], addrconv.ipv4.text_to_bin(self.dst))
         eq_(option, self.option)
 
         # checksum
diff --git a/ryu/tests/unit/packet/test_slow.py b/ryu/tests/unit/packet/test_slow.py
index a66e6630..c7cd3bd5 100644
--- a/ryu/tests/unit/packet/test_slow.py
+++ b/ryu/tests/unit/packet/test_slow.py
@@ -423,7 +423,7 @@ class Test_lacp(unittest.TestCase):
         eq_(act_res[0], self.actor_tag)
         eq_(act_res[1], self.actor_length)
         eq_(act_res[2], self.actor_system_priority)
-        eq_(addrconv.mac.bin_to_text(act_res[3]), self.actor_system)
+        eq_(act_res[3], addrconv.mac.text_to_bin(self.actor_system))
         eq_(act_res[4], self.actor_key)
         eq_(act_res[5], self.actor_port_priority)
         eq_(act_res[6], self.actor_port)
@@ -432,7 +432,7 @@ class Test_lacp(unittest.TestCase):
         eq_(prt_res[0], self.partner_tag)
         eq_(prt_res[1], self.partner_length)
         eq_(prt_res[2], self.partner_system_priority)
-        eq_(addrconv.mac.bin_to_text(prt_res[3]), self.partner_system)
+        eq_(prt_res[3], addrconv.mac.text_to_bin(self.partner_system))
         eq_(prt_res[4], self.partner_key)
         eq_(prt_res[5], self.partner_port_priority)
         eq_(prt_res[6], self.partner_port)
diff --git a/ryu/tests/unit/packet/test_vrrp.py b/ryu/tests/unit/packet/test_vrrp.py
index 962d56af..13b19ca1 100644
--- a/ryu/tests/unit/packet/test_vrrp.py
+++ b/ryu/tests/unit/packet/test_vrrp.py
@@ -116,7 +116,7 @@ class Test_vrrpv2(unittest.TestCase):
         eq_(res[4], vrrp.VRRP_AUTH_NO_AUTH)
         eq_(res[5], max_adver_int)
         # res[6] is checksum
-        eq_(addrconv.ipv4.bin_to_text(res[7]), ip_address)
+        eq_(res[7], addrconv.ipv4.text_to_bin(ip_address))
         eq_(res[8], 0)
         eq_(res[9], 0)
         eq_(len(buf), pack_len)
@@ -258,7 +258,7 @@ class Test_vrrpv3_ipv4(unittest.TestCase):
         eq_(res[3], len(ip_addresses))
         eq_(res[4], max_adver_int)
         # res[5] is checksum
-        eq_(addrconv.ipv4.bin_to_text(res[6]), ip_address)
+        eq_(res[6], addrconv.ipv4.text_to_bin(ip_address))
         eq_(len(buf), pack_len)
         print(res)
 
@@ -403,7 +403,7 @@ class Test_vrrpv3_ipv6(unittest.TestCase):
         eq_(res[3], len(ip_addresses))
         eq_(res[4], max_adver_int)
         # res[5] is checksum
-        eq_(addrconv.ipv6.bin_to_text(res[6]), ip_address)
+        eq_(res[6], addrconv.ipv6.text_to_bin(ip_address))
         eq_(len(buf), pack_len)
         print(res)