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""" Tests for /backends/of_parser.py """ |
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from unittest import TestCase |
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from unittest.mock import MagicMock, patch |
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from napps.amlight.sdntrace.backends.of_parser import ( |
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process_packet_in, |
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send_packet_out, |
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) |
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# pylint: disable=too-many-public-methods, too-many-lines, no-self-use |
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class TestOFParser(TestCase): |
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"""Unit tests for backends.of_parser functions""" |
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def test_process_packet_in(self): |
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"""Test process packet in for openflow10 with data.""" |
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raw = b"\x00\x15\xaf\xd58\x98\xee\xee\xee\xee\xee\x01\x08\x00testdata" |
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# Ethernet(destination='00:15:af:d5:38:98', |
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# source='ee:ee:ee:ee:ee:01', ether_type=0x800, |
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# data=b'testdata') |
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packet_in_msg = MagicMock() |
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packet_in_msg.data.value = raw |
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packet_in_msg.in_port.value = 1 |
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event = MagicMock() |
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event.source.switch = "ee:ee:ee:ee:ee:01" |
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event.content = {"message": packet_in_msg} |
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event.content["message"].header.version.value = 1 |
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ethernet, in_port, switch = process_packet_in(event) |
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self.assertEqual(ethernet.source.value, "ee:ee:ee:ee:ee:01") |
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self.assertEqual(in_port, 1) |
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self.assertEqual(switch, "ee:ee:ee:ee:ee:01") |
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@patch("napps.amlight.sdntrace.backends.openflow10.packet_in") |
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@patch("napps.amlight.sdntrace.backends.openflow13.packet_in") |
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def test_process_of10_packet_in_patched( |
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self, mock_of13_packet_in, mock_of10_packet_in |
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): |
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"""Test process packet in for openflow10.""" |
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event = MagicMock() |
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event.content = {"message": MagicMock()} |
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event.content["message"].header.version.value = 1 |
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process_packet_in(event) |
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mock_of10_packet_in.assert_called_once() |
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mock_of13_packet_in.assert_not_called() |
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@patch("napps.amlight.sdntrace.backends.openflow10.packet_in") |
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@patch("napps.amlight.sdntrace.backends.openflow13.packet_in") |
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def test_process_of13_packet_in_patched( |
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self, mock_of13_packet_in, mock_of10_packet_in |
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): |
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"""Test process packet in for openflow13.""" |
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event = MagicMock() |
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event.content = {"message": MagicMock()} |
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event.content["message"].header.version.value = 4 |
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process_packet_in(event) |
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mock_of10_packet_in.assert_not_called() |
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mock_of13_packet_in.assert_called_once() |
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@patch("napps.amlight.sdntrace.backends.openflow10.packet_in") |
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@patch("napps.amlight.sdntrace.backends.openflow13.packet_in") |
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def test_process_packet_in_error( |
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self, mock_of13_packet_in, mock_of10_packet_in |
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): |
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"""Test process packet in for openflow13.""" |
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event = MagicMock() |
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event.content = {"message": MagicMock()} |
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event.content["message"].header.version.value = 9999 |
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ethernet, in_port, switch = process_packet_in(event) |
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self.assertEqual(ethernet, 0) |
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self.assertEqual(in_port, 0) |
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self.assertEqual(switch, 0) |
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mock_of10_packet_in.assert_not_called() |
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mock_of13_packet_in.assert_not_called() |
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@patch("napps.amlight.sdntrace.backends.openflow10.send_packet_out") |
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@patch("napps.amlight.sdntrace.backends.openflow13.send_packet_out") |
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def test_process_of10_packet_out_patched( |
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self, mock_of13_packet_out, mock_of10_packet_out |
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): |
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"""Test process packet out for openflow10.""" |
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controller = MagicMock() |
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switch = MagicMock() |
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switch.features.header.version.value = 1 |
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port = MagicMock() |
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data = MagicMock() |
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send_packet_out(controller, switch, port, data) |
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mock_of10_packet_out.assert_called_once() |
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mock_of13_packet_out.assert_not_called() |
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@patch("napps.amlight.sdntrace.backends.openflow10.send_packet_out") |
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@patch("napps.amlight.sdntrace.backends.openflow13.send_packet_out") |
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def test_process_of13_packet_out_patched( |
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self, mock_of13_packet_out, mock_of10_packet_out |
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): |
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"""Test process packet out for openflow13.""" |
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controller = MagicMock() |
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switch = MagicMock() |
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switch.features.header.version.value = 4 |
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port = MagicMock() |
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data = MagicMock() |
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send_packet_out(controller, switch, port, data) |
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mock_of10_packet_out.assert_not_called() |
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mock_of13_packet_out.assert_called_once() |
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@patch("napps.amlight.sdntrace.backends.openflow10.send_packet_out") |
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@patch("napps.amlight.sdntrace.backends.openflow13.send_packet_out") |
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def test_process_packet_out_error( |
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self, mock_of13_packet_out, mock_of10_packet_out |
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): |
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"""Test process packet out for openflow13.""" |
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controller = MagicMock() |
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switch = MagicMock() |
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switch.features.header.version.value = 999 |
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port = MagicMock() |
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data = MagicMock() |
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send_packet_out(controller, switch, port, data) |
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mock_of10_packet_out.assert_not_called() |
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mock_of13_packet_out.assert_not_called() |
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