mirror of
https://github.com/GNS3/gns3-server.git
synced 2026-08-27 12:30:13 +03:00
213738f0a5
19 controller-layer tests covering start/stop/update_marker (storage, inheritance guards + bypasses, partial-update preservation of render hints), project-def CRUD (fan-out, sync, delete-cleanup regression), apply_defs_to_new_link, persist_markers/asdict, and aggregation. 15 API-route tests covering per-link create/update/delete (201/200/204), global-prefix rejection on create (409 regression), bad-format rejection (422), PUT/DELETE-on-inherited guard (409 regression), project-def CRUD endpoints, and the aggregation view. All 34 tests pass when run as part of the full suite.
347 lines
12 KiB
Python
347 lines
12 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2025 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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Controller-layer tests for the traffic-insight marker feature:
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* UDPLink.start_marker / stop_marker / update_marker — storage, guards,
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inheritance bypass, and partial-update preservation of render hints.
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* Project.create/update/delete_marker_definition — fan-out, sync, cleanup.
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* Project.apply_defs_to_new_link and the markers aggregation property.
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"""
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import pytest
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from unittest.mock import MagicMock, patch
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from tests.utils import AsyncioMagicMock
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from gns3server.controller.udp_link import UDPLink
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from gns3server.controller.ports.ethernet_port import EthernetPort
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from gns3server.controller.node import Node
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from gns3server.controller.controller_error import ControllerError, ControllerNotFoundError
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def _valid_bpf():
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"""Bypass tcpdump-based BPF validation so tests don't depend on tcpdump."""
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return patch(
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"gns3server.controller.udp_link.validate_bpf_syntax",
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return_value={"valid": True, "error": None},
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)
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async def _make_link(project):
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"""Build a created UDPLink between two VPCS nodes on a mocked compute."""
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compute = MagicMock()
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compute.id = "local"
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compute.host = "example.com"
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node1 = Node(project, compute, "n1", node_type="vpcs")
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node1._ports = [EthernetPort("E0", 0, 0, 0)]
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node2 = Node(project, compute, "n2", node_type="vpcs")
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node2._ports = [EthernetPort("E0", 0, 0, 1)]
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async def subnet(_other):
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return ("192.168.1.1", "192.168.1.2")
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async def udp_cb(path, data={}, **kwargs):
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response = MagicMock()
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response.json = {"udp_port": 1234}
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return response
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compute.get_ip_on_same_subnet.side_effect = subnet
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compute.post.side_effect = udp_cb
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# start_marker / update_marker push via node.put -> compute.put; make it awaitable.
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compute.put = AsyncioMagicMock()
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compute.delete = AsyncioMagicMock()
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link = UDPLink(project)
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await link.add_node(node1, 0, 0)
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await link.add_node(node2, 0, 1)
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# Register with the project so definition fan-out (which iterates _links) reaches it.
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project._links[link.id] = link
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return link
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# ---------------------------------------------------------------------------
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# UDPLink.start_marker
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# ---------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_start_marker_stores_entry(project):
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with _valid_bpf():
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link = await _make_link(project)
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await link.start_marker("icmp", "icmp", tag=7, color="#ff5722", highlight_duration=800)
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entry = link.markers["icmp"]
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assert entry["bpf"] == "icmp"
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assert entry["tag"] == 7
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assert entry["color"] == "#ff5722"
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assert entry["highlight_duration"] == 800
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assert entry["enabled"] is True
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assert entry["capture_node_id"] in {n["node"].id for n in link._nodes}
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assert "inherited_from" not in entry
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@pytest.mark.asyncio
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async def test_start_marker_rejects_duplicate(project):
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with _valid_bpf():
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link = await _make_link(project)
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await link.start_marker("icmp", "icmp")
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with pytest.raises(ControllerError):
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await link.start_marker("icmp", "tcp")
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@pytest.mark.asyncio
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async def test_start_marker_rejects_invalid_bpf(project):
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link = await _make_link(project)
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with patch("gns3server.controller.udp_link.validate_bpf_syntax",
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return_value={"valid": False, "error": "bad expression"}):
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with pytest.raises(ControllerError):
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await link.start_marker("bad", "not a real bpf")
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# ---------------------------------------------------------------------------
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# UDPLink.stop_marker
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# ---------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_stop_marker_removes(project):
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with _valid_bpf():
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link = await _make_link(project)
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await link.start_marker("icmp", "icmp")
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assert "icmp" in link.markers
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await link.stop_marker("icmp")
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assert "icmp" not in link.markers
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@pytest.mark.asyncio
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async def test_stop_marker_rejects_inherited(project):
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with _valid_bpf():
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link = await _make_link(project)
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await link.inherit_marker("arp", {"bpf": "arp"})
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# Per-link delete of an inherited marker must be refused (use the def API).
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with pytest.raises(ControllerError):
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await link.stop_marker("global-arp")
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assert "global-arp" in link.markers # still present
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@pytest.mark.asyncio
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async def test_stop_marker_inherited_bypass(project):
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"""The def-delete path passes inherited=True to remove inherited copies."""
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with _valid_bpf():
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link = await _make_link(project)
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await link.inherit_marker("arp", {"bpf": "arp"})
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await link.stop_marker("global-arp", inherited=True)
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assert "global-arp" not in link.markers
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@pytest.mark.asyncio
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async def test_stop_marker_unknown_raises(project):
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link = await _make_link(project)
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with pytest.raises(ControllerNotFoundError):
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await link.stop_marker("nope")
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# ---------------------------------------------------------------------------
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# UDPLink.update_marker
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# ---------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_update_marker_preserves_render_hints(project):
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"""A partial update (bpf only) must not reset color/highlight_duration/tag."""
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with _valid_bpf():
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link = await _make_link(project)
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await link.start_marker("m", "icmp", tag=1, color="#ff5722", highlight_duration=800)
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await link.update_marker("m", bpf="tcp port 80")
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entry = link.markers["m"]
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assert entry["bpf"] == "tcp port 80"
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assert entry["color"] == "#ff5722" # preserved
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assert entry["highlight_duration"] == 800 # preserved
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assert entry["tag"] == 1 # preserved
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@pytest.mark.asyncio
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async def test_update_marker_changes_fields(project):
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with _valid_bpf():
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link = await _make_link(project)
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await link.start_marker("m", "icmp", highlight_duration=800)
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await link.update_marker("m", highlight_duration=1500, enabled=False, tag=9)
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entry = link.markers["m"]
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assert entry["highlight_duration"] == 1500
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assert entry["enabled"] is False
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assert entry["tag"] == 9
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@pytest.mark.asyncio
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async def test_update_marker_rejects_inherited(project):
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with _valid_bpf():
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link = await _make_link(project)
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await link.inherit_marker("arp", {"bpf": "arp"})
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with pytest.raises(ControllerError):
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await link.update_marker("global-arp", bpf="tcp")
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@pytest.mark.asyncio
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async def test_update_marker_inherited_bypass(project):
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"""The def-sync path passes inherited=True to update inherited copies."""
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with _valid_bpf():
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link = await _make_link(project)
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await link.inherit_marker("arp", {"bpf": "arp", "highlight_duration": 500})
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await link.update_marker("global-arp", highlight_duration=1200, inherited=True)
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assert link.markers["global-arp"]["highlight_duration"] == 1200
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# ---------------------------------------------------------------------------
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# Link.inherit_marker + persistence
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# ---------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_inherit_marker_creates_global_copy(project):
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with _valid_bpf():
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link = await _make_link(project)
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await link.inherit_marker("arp", {"bpf": "arp", "tag": 3, "color": "#111", "highlight_duration": 400})
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entry = link.markers["global-arp"]
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assert entry["bpf"] == "arp"
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assert entry["tag"] == 3
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assert entry["color"] == "#111"
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assert entry["highlight_duration"] == 400
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assert entry["inherited_from"] == "arp"
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@pytest.mark.asyncio
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async def test_persist_markers_excludes_inherited(project):
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"""Inherited markers are re-created from definitions on load, never persisted."""
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with _valid_bpf():
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link = await _make_link(project)
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await link.start_marker("private", "icmp", highlight_duration=800)
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await link.inherit_marker("arp", {"bpf": "arp"})
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persisted = link._persist_markers()
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assert set(persisted.keys()) == {"private"}
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assert "global-arp" not in persisted
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@pytest.mark.asyncio
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async def test_asdict_markers_runtime_vs_dump(project):
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"""Runtime asdict exposes all markers; topology dump drops inherited ones."""
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with _valid_bpf():
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link = await _make_link(project)
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await link.start_marker("private", "icmp")
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await link.inherit_marker("arp", {"bpf": "arp"})
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runtime = link.asdict()
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assert set(runtime["markers"].keys()) == {"private", "global-arp"}
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dumped = link.asdict(topology_dump=True)
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assert set(dumped["markers"].keys()) == {"private"}
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# ---------------------------------------------------------------------------
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# Project-level marker definitions
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# ---------------------------------------------------------------------------
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@pytest.mark.asyncio
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async def test_create_marker_definition_fans_out(project):
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with _valid_bpf():
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link1 = await _make_link(project)
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link2 = await _make_link(project)
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await project.create_marker_definition("arp", "arp", tag=5, highlight_duration=1200)
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for link in (link1, link2):
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entry = link.markers["global-arp"]
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assert entry["inherited_from"] == "arp"
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assert entry["bpf"] == "arp"
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assert entry["highlight_duration"] == 1200
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assert project.marker_definitions["arp"]["highlight_duration"] == 1200
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@pytest.mark.asyncio
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async def test_update_marker_definition_syncs(project):
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with _valid_bpf():
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link1 = await _make_link(project)
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link2 = await _make_link(project)
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await project.create_marker_definition("arp", "arp", highlight_duration=500)
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await project.update_marker_definition("arp", highlight_duration=1500, bpf="arp or rarp")
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for link in (link1, link2):
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assert link.markers["global-arp"]["highlight_duration"] == 1500
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assert link.markers["global-arp"]["bpf"] == "arp or rarp"
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assert project.marker_definitions["arp"]["highlight_duration"] == 1500
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@pytest.mark.asyncio
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async def test_delete_marker_definition_clears(project):
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"""Regression: deleting a def must remove inherited copies from every link."""
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with _valid_bpf():
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link1 = await _make_link(project)
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link2 = await _make_link(project)
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await project.create_marker_definition("arp", "arp")
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assert "global-arp" in link1.markers
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await project.delete_marker_definition("arp")
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assert "global-arp" not in link1.markers
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assert "global-arp" not in link2.markers
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assert "arp" not in project.marker_definitions
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@pytest.mark.asyncio
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async def test_apply_defs_to_new_link(project):
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"""A link created after a definition exists inherits it automatically."""
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with _valid_bpf():
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await project.create_marker_definition("arp", "arp")
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new_link = await _make_link(project)
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assert "global-arp" in new_link.markers
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assert new_link.markers["global-arp"]["inherited_from"] == "arp"
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@pytest.mark.asyncio
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async def test_markers_aggregation(project):
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with _valid_bpf():
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link = await _make_link(project)
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await link.start_marker("icmp", "icmp", highlight_duration=800)
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agg = project.markers
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key = f"{link.id}/icmp"
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assert key in agg
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assert agg[key]["bpf"] == "icmp"
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assert agg[key]["highlight_duration"] == 800
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assert agg[key]["link_id"] == link.id
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assert agg[key]["node_id"] == agg[key]["capture_node_id"]
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