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Add tests for emulator.detect_conflicts
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import contextlib | ||
import json | ||
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from tabi.emulator import detect_conflicts | ||
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@contextlib.contextmanager | ||
def dict_opener(line): | ||
yield [json.dumps(line)] | ||
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def test_detect_conflicts_boundary_1(): | ||
"""Check if conflicts detection fails on empty file list""" | ||
try: | ||
conflicts = detect_conflicts("collector", []) | ||
conflicts.next() | ||
raise Exception("Should raise an exception on empty file list") | ||
except ValueError as error: | ||
assert error.message == "no bviews were loaded" | ||
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def test_detect_conflicts_boundary_2(): | ||
"""Check if conflicts detection fails on a file with partial data""" | ||
try: | ||
conflicts = detect_conflicts("collector", [{"type": "table_dump_v2"}], opener=dict_opener) | ||
conflicts.next() | ||
raise Exception("There shouldn't be any conflict to report") | ||
except StopIteration: | ||
pass | ||
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def test_detect_conflicts_rib_update(): | ||
"""Check if conflicts detection works for a conflict between rib and update files""" | ||
rib = { | ||
"entries": [{ | ||
"peer_ip": "11:33:55:77", | ||
"peer_as": 99999.0, | ||
"originated_timestamp": 0.0, | ||
"as_path": "22 333 4444 55555" | ||
}], | ||
"type": "table_dump_v2", | ||
"timestamp": 1451601234.0, | ||
"prefix": "1.2.3.0/24" | ||
} | ||
update = { | ||
"type": "update", | ||
"timestamp": 1451606698.0, | ||
"peer_as": 11111.0, | ||
"peer_ip": "22.44.66.88", | ||
"as_path": "1111 2222 3333", | ||
"announce": ["1.2.3.0/25"], | ||
"withdraw": [] | ||
} | ||
conflicts = detect_conflicts("collector", [rib, update], opener=dict_opener) | ||
conflict = conflicts.next() | ||
assert conflict['timestamp'] == 1451606698.0 | ||
assert conflict['collector'] == 'collector' | ||
assert conflict['peer_as'] == 11111 | ||
assert conflict['peer_ip'] == "22.44.66.88" | ||
assert conflict['announce']['type'] == 'U' | ||
assert conflict['announce']['prefix'] == '1.2.3.0/25' | ||
assert conflict['announce']['asn'] == 3333 | ||
assert conflict['announce']['as_path'] == "1111 2222 3333" | ||
assert conflict['conflict_with']['asn'] == 55555 | ||
assert conflict['conflict_with']['prefix'] == "1.2.3.0/24" | ||
assert conflict['asn'] == 55555 | ||
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def test_detect_conflicts_rib_only(): | ||
"""Check if conflicts detection works for a conflict within rib file""" | ||
rib1 = { | ||
"entries": [{ | ||
"peer_ip": "11.33.55.77", | ||
"peer_as": 66666.0, | ||
"originated_timestamp": 1451606699.0, | ||
"as_path": "22 333 4444 66666" | ||
}], | ||
"type": "table_dump_v2", | ||
"timestamp": 1451606699.0, | ||
"prefix": "1.2.3.0/24" | ||
} | ||
rib2 = { | ||
"entries": [{ | ||
"peer_ip": "22.44.66.88", | ||
"peer_as": 99999.0, | ||
"originated_timestamp": 1451605511.0, | ||
"as_path": "22 333 4444 55555" | ||
}], | ||
"type": "table_dump_v2", | ||
"timestamp": 1451605511.0, | ||
"prefix": "1.2.3.0/24" | ||
} | ||
conflicts = detect_conflicts("collector", [rib1, rib2], opener=dict_opener) | ||
conflict = conflicts.next() | ||
assert conflict['timestamp'] == 1451606699.0 | ||
assert conflict['collector'] == 'collector' | ||
assert conflict['peer_as'] == 66666 | ||
assert conflict['peer_ip'] == "11.33.55.77" | ||
assert conflict['announce']['type'] == 'F' | ||
assert conflict['announce']['prefix'] == '1.2.3.0/24' | ||
assert conflict['announce']['asn'] == 66666 | ||
assert conflict['announce']['as_path'] == "22 333 4444 66666" | ||
assert conflict['conflict_with']['asn'] == 55555 | ||
assert conflict['conflict_with']['prefix'] == "1.2.3.0/24" | ||
assert conflict['asn'] == 55555 |