| #!/usr/bin/env python |
| # Copyright 2013, Big Switch Networks, Inc. |
| # |
| # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with |
| # the following special exception: |
| # |
| # LOXI Exception |
| # |
| # As a special exception to the terms of the EPL, you may distribute libraries |
| # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided |
| # that copyright and licensing notices generated by LoxiGen are not altered or removed |
| # from the LoxiGen Libraries and the notice provided below is (i) included in |
| # the LoxiGen Libraries, if distributed in source code form and (ii) included in any |
| # documentation for the LoxiGen Libraries, if distributed in binary form. |
| # |
| # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler." |
| # |
| # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain |
| # a copy of the EPL at: |
| # |
| # http://www.eclipse.org/legal/epl-v10.html |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # EPL for the specific language governing permissions and limitations |
| # under the EPL. |
| import unittest |
| |
| try: |
| import loxi.of13 as ofp |
| from loxi.generic_util import OFReader |
| except ImportError: |
| exit("loxi package not found. Try setting PYTHONPATH.") |
| |
| class TestImports(unittest.TestCase): |
| def test_toplevel(self): |
| import loxi |
| self.assertTrue(hasattr(loxi, "ProtocolError")) |
| self.assertEquals(loxi.version_names[4], "1.3") |
| ofp = loxi.protocol(4) |
| self.assertEquals(ofp.OFP_VERSION, 4) |
| self.assertTrue(hasattr(ofp, "action")) |
| self.assertTrue(hasattr(ofp, "common")) |
| self.assertTrue(hasattr(ofp, "const")) |
| self.assertTrue(hasattr(ofp, "message")) |
| self.assertTrue(hasattr(ofp, "oxm")) |
| |
| def test_version(self): |
| import loxi |
| self.assertTrue(hasattr(loxi.of13, "ProtocolError")) |
| self.assertTrue(hasattr(loxi.of13, "OFP_VERSION")) |
| self.assertEquals(loxi.of13.OFP_VERSION, 4) |
| self.assertTrue(hasattr(loxi.of13, "action")) |
| self.assertTrue(hasattr(loxi.of13, "common")) |
| self.assertTrue(hasattr(loxi.of13, "const")) |
| self.assertTrue(hasattr(loxi.of13, "message")) |
| self.assertTrue(hasattr(loxi.of13, "oxm")) |
| |
| class TestCommon(unittest.TestCase): |
| sample_hello_elem_buf = ''.join([ |
| '\x00\x01', # type |
| '\x00\x0c', # length |
| '\x01\x23\x45\x67', # bitmaps[0] |
| '\x89\xab\xcd\xef', # bitmaps[1] |
| ]) |
| |
| def test_hello_elem_versionbitmap_pack(self): |
| obj = ofp.hello_elem_versionbitmap(bitmaps=[ofp.uint32(0x01234567),ofp.uint32(0x89abcdef)]) |
| self.assertEquals(self.sample_hello_elem_buf, obj.pack()) |
| |
| def test_hello_elem_versionbitmap_unpack(self): |
| obj = ofp.hello_elem_versionbitmap.unpack(self.sample_hello_elem_buf) |
| self.assertEquals(len(obj.bitmaps), 2) |
| self.assertEquals(obj.bitmaps[0], ofp.uint32(0x01234567)) |
| self.assertEquals(obj.bitmaps[1], ofp.uint32(0x89abcdef)) |
| |
| def test_list_hello_elem_unpack(self): |
| buf = ''.join([ |
| '\x00\x01\x00\x04', # versionbitmap |
| '\x00\x00\x00\x04', # unknown type |
| '\x00\x01\x00\x04', # versionbitmap |
| ]) |
| l = ofp.unpack_list_hello_elem(OFReader(buf)) |
| self.assertEquals(len(l), 2) |
| self.assertTrue(isinstance(l[0], ofp.hello_elem_versionbitmap)) |
| self.assertTrue(isinstance(l[1], ofp.hello_elem_versionbitmap)) |
| |
| class TestOXM(unittest.TestCase): |
| def test_oxm_in_phy_port_pack(self): |
| import loxi.of13 as ofp |
| obj = ofp.oxm.in_phy_port(value=42) |
| expected = ''.join([ |
| '\x80\x00', # class |
| '\x02', # type/masked |
| '\x08', # length |
| '\x00\x00\x00\x2a' # value |
| ]) |
| self.assertEquals(expected, obj.pack()) |
| |
| def test_oxm_in_phy_port_masked_pack(self): |
| import loxi.of13 as ofp |
| obj = ofp.oxm.in_phy_port_masked(value=42, value_mask=0xaabbccdd) |
| expected = ''.join([ |
| '\x80\x00', # class |
| '\x03', # type/masked |
| '\x0c', # length |
| '\x00\x00\x00\x2a', # value |
| '\xaa\xbb\xcc\xdd' # mask |
| ]) |
| self.assertEquals(expected, obj.pack()) |
| |
| def test_oxm_ipv6_dst_pack(self): |
| import loxi.of13 as ofp |
| obj = ofp.oxm.ipv6_dst(value='\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0d\x0f') |
| expected = ''.join([ |
| '\x80\x00', # class |
| '\x36', # type/masked |
| '\x14', # length |
| '\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0d\x0f', # value |
| ]) |
| self.assertEquals(expected, obj.pack()) |
| |
| class TestAllOF13(unittest.TestCase): |
| """ |
| Round-trips every class through serialization/deserialization. |
| Not a replacement for handcoded tests because it only uses the |
| default member values. |
| """ |
| |
| def setUp(self): |
| mods = [ofp.action,ofp.message,ofp.common,ofp.oxm] |
| self.klasses = [klass for mod in mods |
| for klass in mod.__dict__.values() |
| if hasattr(klass, 'show')] |
| self.klasses.sort(key=lambda x: str(x)) |
| |
| def test_serialization(self): |
| expected_failures = [ |
| ofp.common.action_id, |
| ofp.common.action_id_bsn_mirror, |
| ofp.common.action_id_bsn_set_tunnel_dst, |
| ofp.common.action_id_copy_ttl_in, |
| ofp.common.action_id_copy_ttl_out, |
| ofp.common.action_id_dec_mpls_ttl, |
| ofp.common.action_id_dec_nw_ttl, |
| ofp.common.action_id_experimenter, |
| ofp.common.action_id_group, |
| ofp.common.action_id_header, |
| ofp.common.action_id_nicira_dec_ttl, |
| ofp.common.action_id_output, |
| ofp.common.action_id_pop_mpls, |
| ofp.common.action_id_pop_pbb, |
| ofp.common.action_id_pop_vlan, |
| ofp.common.action_id_push_mpls, |
| ofp.common.action_id_push_pbb, |
| ofp.common.action_id_push_vlan, |
| ofp.common.action_id_set_field, |
| ofp.common.action_id_set_mpls_ttl, |
| ofp.common.action_id_set_nw_ttl, |
| ofp.common.action_id_set_queue, |
| ofp.common.flow_stats_entry, |
| ofp.common.group_desc_stats_entry, |
| ofp.common.instruction, |
| ofp.common.instruction_apply_actions, |
| ofp.common.instruction_clear_actions, |
| ofp.common.instruction_experimenter, |
| ofp.common.instruction_goto_table, |
| ofp.common.instruction_header, |
| ofp.common.instruction_meter, |
| ofp.common.instruction_write_actions, |
| ofp.common.instruction_write_metadata, |
| ofp.common.match_v3, |
| ofp.common.meter_band, |
| ofp.common.meter_band_drop, |
| ofp.common.meter_band_dscp_remark, |
| ofp.common.meter_band_experimenter, |
| ofp.common.meter_band_header, |
| ofp.common.table_feature_prop, |
| ofp.common.table_feature_prop_apply_actions, |
| ofp.common.table_feature_prop_apply_actions_miss, |
| ofp.common.table_feature_prop_apply_setfield, |
| ofp.common.table_feature_prop_apply_setfield_miss, |
| ofp.common.table_feature_prop_experimenter, |
| ofp.common.table_feature_prop_header, |
| ofp.common.table_feature_prop_instructions, |
| ofp.common.table_feature_prop_instructions_miss, |
| ofp.common.table_feature_prop_match, |
| ofp.common.table_feature_prop_next_tables, |
| ofp.common.table_feature_prop_next_tables_miss, |
| ofp.common.table_feature_prop_wildcards, |
| ofp.common.table_feature_prop_write_actions, |
| ofp.common.table_feature_prop_write_actions_miss, |
| ofp.common.table_feature_prop_write_setfield, |
| ofp.common.table_feature_prop_write_setfield_miss, |
| ofp.message.aggregate_stats_request, |
| ofp.message.flow_add, |
| ofp.message.flow_delete, |
| ofp.message.flow_delete_strict, |
| ofp.message.flow_modify, |
| ofp.message.flow_modify_strict, |
| ofp.message.flow_removed, |
| ofp.message.flow_stats_request, |
| ofp.message.group_desc_stats_reply, |
| ofp.message.group_mod, |
| ofp.message.group_stats_reply, |
| ofp.message.meter_stats_reply, |
| ofp.message.packet_in, |
| ofp.message.table_features_stats_reply, |
| ofp.message.table_features_stats_request, |
| ] |
| for klass in self.klasses: |
| def fn(): |
| obj = klass() |
| if hasattr(obj, "xid"): obj.xid = 42 |
| buf = obj.pack() |
| obj2 = klass.unpack(buf) |
| self.assertEquals(obj, obj2) |
| if klass in expected_failures: |
| self.assertRaises(Exception, fn) |
| else: |
| fn() |
| |
| def test_show(self): |
| expected_failures = [] |
| for klass in self.klasses: |
| def fn(): |
| obj = klass() |
| if hasattr(obj, "xid"): obj.xid = 42 |
| obj.show() |
| if klass in expected_failures: |
| self.assertRaises(Exception, fn) |
| else: |
| fn() |
| |
| if __name__ == '__main__': |
| unittest.main() |