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dtzp555-maxandClaude Opus 4.8
fe3d13221a
Closes F10: the sim silently stored out-of-range/malformed scalar values
(e.g. vlan-9999, IP 999.888.777.x) that real APIC/NDO reject server-side.
New aci_sim/rest_aci/validators.py: table-driven RULES {(class,prop) -> validator}
(range/enum/IP·MAC-format/vlan-encap). Enforced in writes.py::_validate_planned
(APIC) and ndo/patch.py::apply_json_patch (NDO) before any store mutation.
Fail-safe default-allow: only registered (class,prop) validated; unknown pass.
Bad values now -> APIC Error 103 Malformed MO body. ~45 rules / ~18 classes.
Constraints sourced from vendored cisco.aci arg-specs + standard ACI ranges,
cross-checked against the real-machine var corpus for zero false-rejects
(regression: full create_tenant MS-TN1 + SF-TN1 chains stay green). +176 tests
(1098 passed). Referential integrity split out as F11 (needs real-APIC study).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017zdUTqU9fvCCvF3uVGZsu1
280 lines
10 KiB
Python
280 lines
10 KiB
Python
"""F10 batch 3 — NDO value validation (aci_sim/ndo/patch.py::NDO_RULES /
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_validate_ndo_op), per design doc §3.3.
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NDO stores schema JSON (not APIC MOs); values arrive as JSON-Patch op values
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rather than (class, prop) MO attrs, so this is validated separately from the
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APIC RULES registry (tests/test_f10_validators.py,
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tests/test_f10_apic_writeface.py) even though it reuses the same ``fmt``/
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``rng`` factories. Design §3.3 scope is deliberately narrow: subnet ``ip``
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and static-port VLAN (the real cisco.mso wire field is ``portEncapVlan`` —
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see NDO_RULES's own comment in patch.py for why the design doc's "vlan"
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placeholder was resolved to that name).
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Both the whole-object-add shape (``.../subnets/-`` with a dict value) and
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the single-field-replace shape (``.../subnets/0/ip`` with a scalar value)
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are covered, since both are legal JSON-Patch forms even though only the
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whole-object shape is what the real ansible-mso client sends today (per this
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repo's existing PR-11/PR-12 test fixtures)."""
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from __future__ import annotations
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import pytest
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from fastapi.testclient import TestClient
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from aci_sim.ndo.app import make_ndo_app
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from aci_sim.ndo.model import build_ndo_model
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from aci_sim.ndo.patch import NDO_RULES, PatchError, apply_json_patch
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from aci_sim.topology.loader import load_topology
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TOPO_PATH = "topology.yaml"
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# ---------------------------------------------------------------------------
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# Unit level: apply_json_patch directly against a bare doc dict.
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# ---------------------------------------------------------------------------
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def _bd_doc_with_subnets() -> dict:
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return {
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"sites": [
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{
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"siteId": "1",
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"templateName": "LAB1",
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"bds": [
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{
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"bdRef": "/schemas/schema-abc/templates/LAB1/bds/bd-App1_LAB1",
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"subnets": [],
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}
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],
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}
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]
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}
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def test_ndo_subnet_ip_valid_accepted_whole_object_add():
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doc = _bd_doc_with_subnets()
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ops = [
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{
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"op": "add",
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"path": "/sites/1-LAB1/bds/bd-App1_LAB1/subnets/-",
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"value": {"ip": "192.168.41.1/24", "scope": "public"},
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}
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]
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apply_json_patch(doc, ops) # must not raise
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assert doc["sites"][0]["bds"][0]["subnets"] == [{"ip": "192.168.41.1/24", "scope": "public"}]
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def test_ndo_subnet_ip_zero_route_accepted():
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"""0.0.0.0/0 (external-EPG default route) is a real canonical value —
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see design §6 corpus table."""
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doc = _bd_doc_with_subnets()
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ops = [
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{"op": "add", "path": "/sites/1-LAB1/bds/bd-App1_LAB1/subnets/-", "value": {"ip": "0.0.0.0/0"}}
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]
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apply_json_patch(doc, ops)
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def test_ndo_subnet_bad_ip_rejected_whole_object_add():
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doc = _bd_doc_with_subnets()
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ops = [
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{
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"op": "add",
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"path": "/sites/1-LAB1/bds/bd-App1_LAB1/subnets/-",
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"value": {"ip": "999.888.777.17/30", "scope": "public"},
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}
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]
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with pytest.raises(PatchError, match="999.888.777.17/30"):
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apply_json_patch(doc, ops)
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# Reject must not have mutated the subnets list.
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assert doc["sites"][0]["bds"][0]["subnets"] == []
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def test_ndo_subnet_ip_single_field_replace_shape():
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"""Direct scalar replace on an EXISTING item's field
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(.../subnets/0/ip) — the other JSON-Patch shape _validate_ndo_op
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supports (container is a dict, last=='ip')."""
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doc = _bd_doc_with_subnets()
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doc["sites"][0]["bds"][0]["subnets"] = [{"ip": "192.168.41.1/24", "scope": "public"}]
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ops = [{"op": "replace", "path": "/sites/1-LAB1/bds/bd-App1_LAB1/subnets/0/ip", "value": "192.168.41.2/24"}]
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apply_json_patch(doc, ops)
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assert doc["sites"][0]["bds"][0]["subnets"][0]["ip"] == "192.168.41.2/24"
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ops_bad = [{"op": "replace", "path": "/sites/1-LAB1/bds/bd-App1_LAB1/subnets/0/ip", "value": "999.888.777.2/24"}]
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with pytest.raises(PatchError):
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apply_json_patch(doc, ops_bad)
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# Reject must not have overwritten the previously-good value.
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assert doc["sites"][0]["bds"][0]["subnets"][0]["ip"] == "192.168.41.2/24"
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def _epg_doc_with_static_ports() -> dict:
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return {
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"sites": [
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{
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"siteId": "1",
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"templateName": "LAB1",
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"anps": [
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{
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"anpRef": "/schemas/s/templates/LAB1/anps/app-Web_LAB1",
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"epgs": [
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{
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"epgRef": "/schemas/s/templates/LAB1/anps/app-Web_LAB1/epgs/epg-web",
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"staticPorts": [],
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}
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],
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}
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],
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}
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]
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}
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def test_ndo_static_port_vlan_valid_accepted():
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doc = _epg_doc_with_static_ports()
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ops = [
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{
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"op": "add",
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"path": "/sites/1-LAB1/anps/app-Web_LAB1/epgs/epg-web/staticPorts/-",
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"value": {
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"path": "topology/pod-1/protpaths-101-102/pathep-[ipg-vpc-LegacySW01]",
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"portEncapVlan": 100,
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"mode": "regular",
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"deploymentImmediacy": "immediate",
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"type": "vpc",
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},
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}
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]
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apply_json_patch(doc, ops)
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static_ports = doc["sites"][0]["anps"][0]["epgs"][0]["staticPorts"]
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assert len(static_ports) == 1
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assert static_ports[0]["portEncapVlan"] == 100
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def test_ndo_static_port_vlan_out_of_range_rejected():
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"""F10-probe-shaped bad value: vlan-9999 equivalent on the NDO side."""
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doc = _epg_doc_with_static_ports()
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ops = [
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{
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"op": "add",
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"path": "/sites/1-LAB1/anps/app-Web_LAB1/epgs/epg-web/staticPorts/-",
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"value": {
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"path": "topology/pod-1/protpaths-101-102/pathep-[ipg-vpc-LegacySW01]",
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"portEncapVlan": 9999,
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"mode": "regular",
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},
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}
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]
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with pytest.raises(PatchError, match="9999"):
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apply_json_patch(doc, ops)
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assert doc["sites"][0]["anps"][0]["epgs"][0]["staticPorts"] == []
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def test_ndo_static_port_vlan_string_form_also_validated():
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"""cisco.mso's own JSON payload uses a plain int (see the accept test
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above) but the sim must not assume that — a numeric STRING is just as
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real a wire value elsewhere in this codebase (ACI side is all-string)."""
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doc = _epg_doc_with_static_ports()
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ops = [
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{
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"op": "add",
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"path": "/sites/1-LAB1/anps/app-Web_LAB1/epgs/epg-web/staticPorts/-",
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"value": {"path": "topology/pod-1/pathep-[eth1/1]", "portEncapVlan": "0"},
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}
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]
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with pytest.raises(PatchError):
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apply_json_patch(doc, ops)
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# ---------------------------------------------------------------------------
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# Fail-safe: an unregistered collection/field is never validated.
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# ---------------------------------------------------------------------------
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def test_ndo_unregistered_collection_field_passes_through():
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doc = {"templates": [{"name": "LAB1", "vrfs": []}]}
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ops = [
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{
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"op": "add",
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"path": "/templates/LAB1/vrfs/-",
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"value": {"name": "vrf1", "someWildField": "!!not validated!!"},
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}
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]
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apply_json_patch(doc, ops) # must not raise — ("vrfs", *) is not in NDO_RULES
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assert doc["templates"][0]["vrfs"] == [{"name": "vrf1", "someWildField": "!!not validated!!"}]
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def test_ndo_subnet_scope_field_not_validated_only_ip_is():
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"""Design §3.3 scope is deliberately narrow (subnet ip + static-port
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vlan only) — an arbitrary 'scope' value on a subnet must NOT be
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rejected by this batch even though it's semantically wrong, since
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("subnets", "scope") has no NDO_RULES entry."""
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doc = _bd_doc_with_subnets()
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ops = [
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{
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"op": "add",
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"path": "/sites/1-LAB1/bds/bd-App1_LAB1/subnets/-",
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"value": {"ip": "192.168.41.1/24", "scope": "totally-not-a-real-scope"},
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}
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]
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apply_json_patch(doc, ops) # must not raise
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def test_ndo_rules_table_scope():
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"""Locks the batch-3 scope: exactly the two design-doc-named rules."""
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assert set(NDO_RULES.keys()) == {("subnets", "ip"), ("staticPorts", "portEncapVlan")}
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# ---------------------------------------------------------------------------
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# Integration level: full FastAPI PATCH /mso/api/v1/schemas/{id} round trip
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# (mirrors tests/test_pr12_site_local.py's own end-to-end pattern).
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# ---------------------------------------------------------------------------
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@pytest.fixture()
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def topo():
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return load_topology(TOPO_PATH)
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@pytest.fixture()
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def client(topo):
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state = build_ndo_model(topo)
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app = make_ndo_app(state)
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with TestClient(app) as c:
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yield c
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def test_schema_patch_bad_subnet_ip_400s_end_to_end(client):
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payload = {
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"displayName": "F10-TEST",
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"templates": [{"name": "LAB1", "displayName": "LAB1", "tenantId": "t1", "bds": []}],
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"sites": [{"siteId": "1", "templateName": "LAB1"}],
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}
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schema_id = client.post("/mso/api/v1/schemas", json=payload).json()["id"]
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bd_ops = [
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{"op": "add", "path": "/templates/LAB1/bds/-", "value": {"name": "bd-App1_LAB1", "displayName": "bd-App1_LAB1", "subnets": []}}
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]
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resp = client.patch(f"/mso/api/v1/schemas/{schema_id}", json=bd_ops)
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assert resp.status_code == 200
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bad_subnet_ops = [
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{
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"op": "add",
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"path": "/sites/1-LAB1/bds/bd-App1_LAB1/subnets/-",
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"value": {"ip": "999.888.777.17/30", "scope": "public"},
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}
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]
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resp2 = client.patch(f"/mso/api/v1/schemas/{schema_id}", json=bad_subnet_ops)
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assert resp2.status_code == 400
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assert "999.888.777.17/30" in resp2.json()["detail"]
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good_subnet_ops = [
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{
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"op": "add",
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"path": "/sites/1-LAB1/bds/bd-App1_LAB1/subnets/-",
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"value": {"ip": "192.168.41.1/24", "scope": "public"},
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}
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]
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resp3 = client.patch(f"/mso/api/v1/schemas/{schema_id}", json=good_subnet_ops)
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assert resp3.status_code == 200
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assert resp3.json()["sites"][0]["bds"][0]["subnets"] == [{"ip": "192.168.41.1/24", "scope": "public"}]
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