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"""Packet out message tests.""" |
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from pyof.foundation.exceptions import ValidationError |
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from pyof.v0x04.common.action import ActionOutput |
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from pyof.v0x04.common.constants import OFP_NO_BUFFER |
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from pyof.v0x04.common.port import PortNo |
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from pyof.v0x04.controller2switch.packet_out import PacketOut |
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from tests.test_struct import TestStruct |
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NO_RAW = 'No raw dump file found.' |
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class TestPacketOut(TestStruct): |
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"""Packet out message tests (also those in :class:`.TestDump`). |
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Attributes: |
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message (PacketOut): The message configured in :meth:`setUpClass`. |
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""" |
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@classmethod |
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def setUpClass(cls): |
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"""Configure raw file and its object in parent class (TestDump).""" |
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super().setUpClass() |
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super().set_raw_dump_file('v0x04', 'ofpt_packet_out') |
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super().set_raw_dump_object(PacketOut, xid=2544740805, |
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buffer_id=OFP_NO_BUFFER, |
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in_port=PortNo.OFPP_CONTROLLER, |
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actions=_get_actions(), data=_get_data()) |
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super().set_minimum_size(24) |
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def test_valid_virtual_in_ports(self): |
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"""Valid virtual ports as defined in 1.3.0 spec.""" |
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virtual_ports = (PortNo.OFPP_LOCAL, PortNo.OFPP_CONTROLLER, |
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PortNo.OFPP_ANY) |
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for port in virtual_ports: |
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with self.subTest(port=port): |
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msg = PacketOut(in_port=port) |
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self.assertTrue(msg.is_valid(), |
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f'{port.name} should be a valid in_port') |
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def test_invalid_virtual_in_ports(self): |
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"""Invalid virtual ports as defined in 1.3.0 spec.""" |
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try: |
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msg = self.get_raw_dump().read() |
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except FileNotFoundError: |
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raise self.skipTest(NO_RAW) |
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else: |
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invalid = (PortNo.OFPP_IN_PORT, PortNo.OFPP_TABLE, |
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PortNo.OFPP_NORMAL, PortNo.OFPP_FLOOD, PortNo.OFPP_ALL) |
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msg = self.get_raw_object() |
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for in_port in invalid: |
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msg.in_port = in_port |
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self.assertFalse(msg.is_valid()) |
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self.assertRaises(ValidationError, msg.validate) |
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def test_valid_physical_in_ports(self): |
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"""Physical port limits from 1.3.0 spec.""" |
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try: |
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msg = self.get_raw_dump().read() |
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except FileNotFoundError: |
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raise self.skipTest(NO_RAW) |
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else: |
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max_valid = int(PortNo.OFPP_MAX.value) - 1 |
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msg = self.get_raw_object() |
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for in_port in (1, max_valid): |
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msg.in_port = in_port |
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self.assertTrue(msg.is_valid()) |
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def _get_actions(): |
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"""Return a list of actions used by packetout instance.""" |
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action = ActionOutput(port=1) |
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return [action] |
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def _get_data(): |
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"""Return a BinaryData used by packetout instance.""" |
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data = b'\x01\x80\xc2\x00\x00\x0e\x4e\xbf\xca\x27\x8e\xca\x81\x00\x0e' |
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data += b'\xd7\x88\xcc\x02\x09\x07\x00\x00\x00\x00\x00\x00\x00\x01\x04' |
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data += b'\x05\x07\x00\x00\x00\x01\x06\x02\x00\x78\x00\x00' |
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return data |
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kytos /
python-openflow
