Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # Copyright 2013, Big Switch Networks, Inc. |
| 3 | # |
| 4 | # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with |
| 5 | # the following special exception: |
| 6 | # |
| 7 | # LOXI Exception |
| 8 | # |
| 9 | # As a special exception to the terms of the EPL, you may distribute libraries |
| 10 | # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided |
| 11 | # that copyright and licensing notices generated by LoxiGen are not altered or removed |
| 12 | # from the LoxiGen Libraries and the notice provided below is (i) included in |
| 13 | # the LoxiGen Libraries, if distributed in source code form and (ii) included in any |
| 14 | # documentation for the LoxiGen Libraries, if distributed in binary form. |
| 15 | # |
| 16 | # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler." |
| 17 | # |
| 18 | # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain |
| 19 | # a copy of the EPL at: |
| 20 | # |
| 21 | # http://www.eclipse.org/legal/epl-v10.html |
| 22 | # |
| 23 | # Unless required by applicable law or agreed to in writing, software |
| 24 | # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 25 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 26 | # EPL for the specific language governing permissions and limitations |
| 27 | # under the EPL. |
| 28 | import unittest |
Rich Lane | 1d5b010 | 2013-05-10 16:28:17 -0700 | [diff] [blame] | 29 | from testutil import test_serialization |
Rich Lane | c9fc57d | 2013-05-16 16:39:12 -0700 | [diff] [blame] | 30 | from testutil import add_datafiles_tests |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 31 | |
| 32 | try: |
Rich Lane | 9d98adf | 2013-11-29 18:37:24 -0800 | [diff] [blame] | 33 | import loxi |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 34 | import loxi.of13 as ofp |
Rich Lane | 57026dc | 2013-05-01 10:13:16 -0700 | [diff] [blame] | 35 | from loxi.generic_util import OFReader |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 36 | except ImportError: |
| 37 | exit("loxi package not found. Try setting PYTHONPATH.") |
| 38 | |
| 39 | class TestImports(unittest.TestCase): |
| 40 | def test_toplevel(self): |
| 41 | import loxi |
| 42 | self.assertTrue(hasattr(loxi, "ProtocolError")) |
Rich Lane | 00549ea | 2013-04-25 13:33:16 -0700 | [diff] [blame] | 43 | self.assertEquals(loxi.version_names[4], "1.3") |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 44 | ofp = loxi.protocol(4) |
| 45 | self.assertEquals(ofp.OFP_VERSION, 4) |
| 46 | self.assertTrue(hasattr(ofp, "action")) |
| 47 | self.assertTrue(hasattr(ofp, "common")) |
| 48 | self.assertTrue(hasattr(ofp, "const")) |
| 49 | self.assertTrue(hasattr(ofp, "message")) |
Rich Lane | a22233e | 2013-04-25 13:18:41 -0700 | [diff] [blame] | 50 | self.assertTrue(hasattr(ofp, "oxm")) |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 51 | |
| 52 | def test_version(self): |
| 53 | import loxi |
| 54 | self.assertTrue(hasattr(loxi.of13, "ProtocolError")) |
| 55 | self.assertTrue(hasattr(loxi.of13, "OFP_VERSION")) |
| 56 | self.assertEquals(loxi.of13.OFP_VERSION, 4) |
| 57 | self.assertTrue(hasattr(loxi.of13, "action")) |
| 58 | self.assertTrue(hasattr(loxi.of13, "common")) |
| 59 | self.assertTrue(hasattr(loxi.of13, "const")) |
| 60 | self.assertTrue(hasattr(loxi.of13, "message")) |
Rich Lane | a22233e | 2013-04-25 13:18:41 -0700 | [diff] [blame] | 61 | self.assertTrue(hasattr(loxi.of13, "oxm")) |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 62 | |
Rich Lane | e90685c | 2013-04-05 17:27:41 -0700 | [diff] [blame] | 63 | class TestCommon(unittest.TestCase): |
Rich Lane | e90685c | 2013-04-05 17:27:41 -0700 | [diff] [blame] | 64 | def test_list_hello_elem_unpack(self): |
| 65 | buf = ''.join([ |
| 66 | '\x00\x01\x00\x04', # versionbitmap |
| 67 | '\x00\x00\x00\x04', # unknown type |
| 68 | '\x00\x01\x00\x04', # versionbitmap |
| 69 | ]) |
Rich Lane | d50d971 | 2013-11-29 19:40:28 -0800 | [diff] [blame] | 70 | l = ofp.util.unpack_list_hello_elem(OFReader(buf)) |
Rich Lane | e90685c | 2013-04-05 17:27:41 -0700 | [diff] [blame] | 71 | self.assertEquals(len(l), 2) |
| 72 | self.assertTrue(isinstance(l[0], ofp.hello_elem_versionbitmap)) |
| 73 | self.assertTrue(isinstance(l[1], ofp.hello_elem_versionbitmap)) |
| 74 | |
Rich Lane | c9fc57d | 2013-05-16 16:39:12 -0700 | [diff] [blame] | 75 | # The majority of the serialization tests are created here using the files in |
| 76 | # the test_data directory. |
| 77 | class TestDataFiles(unittest.TestCase): |
| 78 | pass |
| 79 | add_datafiles_tests(TestDataFiles, 'of13/', ofp) |
Rich Lane | e02314c | 2013-05-02 16:42:04 -0700 | [diff] [blame] | 80 | |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 81 | class TestAllOF13(unittest.TestCase): |
| 82 | """ |
| 83 | Round-trips every class through serialization/deserialization. |
| 84 | Not a replacement for handcoded tests because it only uses the |
| 85 | default member values. |
| 86 | """ |
| 87 | |
| 88 | def setUp(self): |
Rich Lane | ea69375 | 2013-03-18 11:05:45 -0700 | [diff] [blame] | 89 | mods = [ofp.action,ofp.message,ofp.common,ofp.oxm] |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 90 | self.klasses = [klass for mod in mods |
| 91 | for klass in mod.__dict__.values() |
Rich Lane | 9d98adf | 2013-11-29 18:37:24 -0800 | [diff] [blame] | 92 | if isinstance(klass, type) and |
| 93 | issubclass(klass, loxi.OFObject) and |
| 94 | hasattr(klass, 'pack')] |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 95 | self.klasses.sort(key=lambda x: str(x)) |
| 96 | |
| 97 | def test_serialization(self): |
| 98 | expected_failures = [ |
Rich Lane | be90eae | 2013-07-22 16:44:26 -0700 | [diff] [blame] | 99 | ofp.action.set_field, # field defaults to None |
Rich Lane | 8692ecd | 2013-05-02 11:33:53 -0700 | [diff] [blame] | 100 | ofp.common.table_feature_prop_apply_actions, |
| 101 | ofp.common.table_feature_prop_apply_actions_miss, |
Rich Lane | 8692ecd | 2013-05-02 11:33:53 -0700 | [diff] [blame] | 102 | ofp.common.table_feature_prop_write_actions, |
| 103 | ofp.common.table_feature_prop_write_actions_miss, |
| 104 | ofp.common.table_features, |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 105 | ofp.message.table_features_stats_reply, |
| 106 | ofp.message.table_features_stats_request, |
| 107 | ] |
| 108 | for klass in self.klasses: |
| 109 | def fn(): |
| 110 | obj = klass() |
| 111 | if hasattr(obj, "xid"): obj.xid = 42 |
| 112 | buf = obj.pack() |
Rich Lane | 5b2745c | 2013-11-30 00:36:24 -0800 | [diff] [blame] | 113 | obj2 = klass.unpack(OFReader(buf)) |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 114 | self.assertEquals(obj, obj2) |
| 115 | if klass in expected_failures: |
| 116 | self.assertRaises(Exception, fn) |
| 117 | else: |
| 118 | fn() |
| 119 | |
Rich Lane | 65790d2 | 2013-06-14 00:08:52 -0700 | [diff] [blame] | 120 | def test_parse_message(self): |
| 121 | expected_failures = [ |
Rich Lane | 65790d2 | 2013-06-14 00:08:52 -0700 | [diff] [blame] | 122 | ofp.message.table_features_stats_reply, |
| 123 | ofp.message.table_features_stats_request, |
Rich Lane | 65790d2 | 2013-06-14 00:08:52 -0700 | [diff] [blame] | 124 | ] |
| 125 | for klass in self.klasses: |
Rich Lane | 9d98adf | 2013-11-29 18:37:24 -0800 | [diff] [blame] | 126 | if not issubclass(klass, ofp.message.message): |
Rich Lane | 65790d2 | 2013-06-14 00:08:52 -0700 | [diff] [blame] | 127 | continue |
| 128 | def fn(): |
| 129 | obj = klass(xid=42) |
| 130 | buf = obj.pack() |
| 131 | obj2 = ofp.message.parse_message(buf) |
| 132 | self.assertEquals(obj, obj2) |
| 133 | if klass in expected_failures: |
| 134 | self.assertRaises(Exception, fn) |
| 135 | else: |
| 136 | fn() |
| 137 | |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 138 | def test_show(self): |
Rich Lane | 8ca3b77 | 2013-04-30 13:36:55 -0700 | [diff] [blame] | 139 | expected_failures = [] |
Rich Lane | 3f07597 | 2013-03-15 22:56:29 -0700 | [diff] [blame] | 140 | for klass in self.klasses: |
| 141 | def fn(): |
| 142 | obj = klass() |
| 143 | if hasattr(obj, "xid"): obj.xid = 42 |
| 144 | obj.show() |
| 145 | if klass in expected_failures: |
| 146 | self.assertRaises(Exception, fn) |
| 147 | else: |
| 148 | fn() |
| 149 | |
| 150 | if __name__ == '__main__': |
| 151 | unittest.main() |