2.66. test_reassembly module

class test_reassembly.TestFIFReassembly(methodName='runTest')

Bases: framework.VppTestCase

Fragments in fragments reassembly

setUp()

Test setup - force timeout on existing reassemblies

classmethod setUpClass()

Perform class setup before running the testcase Remove shared memory files, start vpp and connect the vpp-api

show_commands_at_teardown()

Allow subclass specific teardown logging additions.

tearDown()

Show various debug prints after each test

classmethod tearDownClass()

Perform final cleanup after running all tests in this test-case

test_fif4()

Fragments in fragments (4o4)

test_fif6()

Fragments in fragments (6o6)

verify_capture(capture, ip_class, dropped_packet_indexes=[])

Verify captured packet stream.

Parameters

capture (list) – Captured packet stream.

class test_reassembly.TestIPReassemblyMixin

Bases: object

test_disabled(scapy_ip_family, stream, dropped_packet_indexes)

reassembly disabled

test_duplicates(scapy_ip_family, stream)

duplicate fragments

test_random(scapy_ip_family, stream)

random order reassembly

test_reassembly(scapy_ip_family, stream)

basic reassembly

test_reversed(scapy_ip_family, stream)

reverse order reassembly

test_timeout_inline(scapy_ip_family, stream, dropped_packet_indexes)

timeout (inline)

verify_capture(scapy_ip_family, capture, dropped_packet_indexes=None)

Verify captured packet stream.

Parameters

capture (list) – Captured packet stream.

class test_reassembly.TestIPv4Reassembly(methodName='runTest')

Bases: test_reassembly.TestIPReassemblyMixin, framework.VppTestCase

IPv4 Reassembly

classmethod create_fragments()

classmethod create_stream(packet_sizes, packet_count=35)

Create input packet stream

Parameters

packet_sizes (list) – Required packet sizes.

setUp()

Test setup - force timeout on existing reassemblies

classmethod setUpClass()

Perform class setup before running the testcase Remove shared memory files, start vpp and connect the vpp-api

show_commands_at_teardown()

Allow subclass specific teardown logging additions.

tearDown()

Show various debug prints after each test

classmethod tearDownClass()

Perform final cleanup after running all tests in this test-case

test_44924()

compress tiny fragments

test_5737()

fragment length + ip header size > 65535

test_disabled(family, stream, dropped_packet_indexes)

reassembly disabled

test_duplicates(family, stream)

duplicate fragments

test_frag_1()

fragment of size 1

test_long_fragment_chain()

long fragment chain

test_overlap1()

overlapping fragments case #1

test_overlap2()

overlapping fragments case #2

test_random(family, stream)

random order reassembly

test_reassembly(family, stream)

basic reassembly

test_reversed(family, stream)

reverse order reassembly

test_timeout_cleanup()

timeout (cleanup)

test_timeout_inline(family, stream, dropped_packet_indexes)

timeout (inline)

class test_reassembly.TestIPv4ReassemblyLocalNode(methodName='runTest')

Bases: framework.VppTestCase

IPv4 Reassembly for packets coming to ip4-local node

classmethod create_fragments()

classmethod create_stream(packet_count=35)

Create input packet stream for defined interface.

Parameters

packet_sizes (list) – Required packet sizes.

setUp()

Test setup - force timeout on existing reassemblies

classmethod setUpClass()

Perform class setup before running the testcase Remove shared memory files, start vpp and connect the vpp-api

show_commands_at_teardown()

Allow subclass specific teardown logging additions.

tearDown()

Show various debug prints after each test

classmethod tearDownClass()

Perform final cleanup after running all tests in this test-case

test_reassembly()

basic reassembly

verify_capture(capture)

Verify captured packet stream.

Parameters

capture (list) – Captured packet stream.

class test_reassembly.TestIPv6Reassembly(methodName='runTest')

Bases: test_reassembly.TestIPReassemblyMixin, framework.VppTestCase

IPv6 Reassembly

classmethod create_fragments()

classmethod create_stream(packet_sizes, packet_count=35)

Create input packet stream for defined interface.

Parameters

packet_sizes (list) – Required packet sizes.

setUp()

Test setup - force timeout on existing reassemblies

classmethod setUpClass()

Perform class setup before running the testcase Remove shared memory files, start vpp and connect the vpp-api

show_commands_at_teardown()

Allow subclass specific teardown logging additions.

tearDown()

Show various debug prints after each test

classmethod tearDownClass()

Perform final cleanup after running all tests in this test-case

test_disabled(family, stream, dropped_packet_indexes)

reassembly disabled

test_duplicates(family, stream)

duplicate fragments

test_invalid_frag_size()

fragment size not a multiple of 8

test_invalid_packet_size()

total packet size > 65535

test_long_fragment_chain()

long fragment chain

test_missing_upper()

missing upper layer

test_overlap1()

overlapping fragments case #1 (differs from IP test case)

test_overlap2()

overlapping fragments case #2 (differs from IP test case)

test_random(family, stream)

random order reassembly

test_reassembly(family, stream)

basic reassembly

test_reversed(family, stream)

reverse order reassembly

test_timeout_cleanup()

timeout (cleanup)

test_timeout_inline(family, stream, dropped_packets_index)

timeout (inline)

test_reassembly.validate_scapy_ip_family(scapy_ip_family)