feat(infrahub): add Infrahub client for fabric intent (#42)

2026-02-26 12:44:07 +00:00
parent ae29117827
commit 8967f04f4f
1 changed files with 598 additions and 0 deletions
--- a/tests/test_infrahub_client.py
+++ b/tests/test_infrahub_client.py
@@ -0,0 +1,598 @@
+"""Unit tests for FabricInfrahubClient — all Infrahub SDK calls are mocked."""
+
+import time
+from unittest.mock import AsyncMock, MagicMock, patch
+
+import pytest
+
+from infrahub_client import (
+    FabricInfrahubClient,
+    InfrahubNotFoundError,
+    InfrahubQueryError,
+)
+from infrahub_client.models import (
+    BgpPeerGroupIntent,
+    BgpRouterConfigIntent,
+    BgpSessionIntent,
+    DeviceIntent,
+    EvpnInstanceIntent,
+    MlagDomainIntent,
+    MlagPeerConfigIntent,
+    VlanIntent,
+    VrfIntent,
+    VtepIntent,
+)
+
+
+# ---------------------------------------------------------------------------
+# Helpers to build mock SDK node objects
+# ---------------------------------------------------------------------------
+
+
+def _attr(value):
+    """Return a simple attribute mock with ``.value`` set."""
+    m = MagicMock()
+    m.value = value
+    return m
+
+
+def _rel_one(peer_node, initialized=True):
+    """Return a mock for a cardinality-one relationship."""
+    m = MagicMock()
+    m.initialized = initialized
+    m.peer = peer_node
+    m.fetch = AsyncMock()
+    return m
+
+
+def _rel_many(peers, initialized=True):
+    """Return a mock for a cardinality-many relationship (list of peer wrappers)."""
+    m = MagicMock()
+    m.initialized = initialized
+    peer_wrappers = []
+    for p in peers:
+        pw = MagicMock()
+        pw.peer = p
+        peer_wrappers.append(pw)
+    m.peers = peer_wrappers
+    return m
+
+
+def _make_device(
+    name="leaf1",
+    role="leaf",
+    status="active",
+    platform_name="eos",
+    site_name="dc1",
+    asn_value=65001,
+):
+    """Build a mock InfraDevice SDK node."""
+    node = MagicMock()
+    node.name = _attr(name)
+    node.role = _attr(role)
+    node.status = _attr(status)
+
+    platform = MagicMock()
+    platform.name = _attr(platform_name)
+    node.platform = _rel_one(platform)
+
+    site = MagicMock()
+    site.name = _attr(site_name)
+    node.site = _rel_one(site)
+
+    asn = MagicMock()
+    asn.asn = _attr(asn_value)
+    node.asn = _rel_one(asn)
+
+    return node
+
+
+def _make_sdk_client(get_return=None, all_return=None, filters_return=None, get_raises=None):
+    """Patch InfrahubClient inside client module and configure return values."""
+    mock_sdk = MagicMock()
+    if get_raises:
+        mock_sdk.get = AsyncMock(side_effect=get_raises)
+    else:
+        mock_sdk.get = AsyncMock(return_value=get_return)
+    mock_sdk.all = AsyncMock(return_value=all_return or [])
+    mock_sdk.filters = AsyncMock(return_value=filters_return or [])
+    return mock_sdk
+
+
+# ---------------------------------------------------------------------------
+# Fixtures
+# ---------------------------------------------------------------------------
+
+
+@pytest.fixture()
+def client():
+    """FabricInfrahubClient with a patched InfrahubClient SDK."""
+    with patch("infrahub_client.client.InfrahubClient") as MockSdk:
+        MockSdk.return_value = MagicMock()
+        c = FabricInfrahubClient(url="http://infrahub:8080", api_token="token", branch="main")
+        yield c
+
+
+# ---------------------------------------------------------------------------
+# get_device
+# ---------------------------------------------------------------------------
+
+
+class TestGetDevice:
+    async def test_returns_device_intent(self, client):
+        device_node = _make_device()
+        client._sdk.get = AsyncMock(return_value=device_node)
+
+        result = await client.get_device("leaf1")
+
+        assert isinstance(result, DeviceIntent)
+        assert result.name == "leaf1"
+        assert result.role == "leaf"
+        assert result.status == "active"
+        assert result.platform == "eos"
+        assert result.site == "dc1"
+        assert result.asn == 65001
+
+    async def test_not_found_raises_error(self, client):
+        client._sdk.get = AsyncMock(side_effect=Exception("not found"))
+
+        with pytest.raises(InfrahubNotFoundError):
+            await client.get_device("nonexistent")
+
+    async def test_branch_is_forwarded(self, client):
+        client._branch = "proposed"
+        device_node = _make_device()
+        client._sdk.get = AsyncMock(return_value=device_node)
+
+        await client.get_device("leaf1")
+
+        client._sdk.get.assert_called_once_with(
+            kind="InfraDevice", branch="proposed", name__value="leaf1"
+        )
+
+    async def test_caching_second_call_skips_sdk(self, client):
+        device_node = _make_device()
+        client._sdk.get = AsyncMock(return_value=device_node)
+
+        first = await client.get_device("leaf1")
+        second = await client.get_device("leaf1")
+
+        assert first == second
+        # SDK should only have been called once
+        assert client._sdk.get.call_count == 1
+
+    async def test_optional_fields_none_when_uninitialized(self, client):
+        node = MagicMock()
+        node.name = _attr("spine1")
+        node.role = _attr("spine")
+        node.status = _attr("active")
+        node.platform = _rel_one(None, initialized=False)
+        node.site = _rel_one(None, initialized=False)
+        node.asn = _rel_one(None, initialized=False)
+        client._sdk.get = AsyncMock(return_value=node)
+
+        result = await client.get_device("spine1")
+
+        assert result.platform is None
+        assert result.site is None
+        assert result.asn is None
+
+
+# ---------------------------------------------------------------------------
+# get_device_bgp_config
+# ---------------------------------------------------------------------------
+
+
+class TestGetDeviceBgpConfig:
+    def _make_bgp_node(self, router_id="10.0.0.1", asn=65001, default_ipv4=True, ecmp=4):
+        node = MagicMock()
+        node.router_id = _attr(router_id)
+        node.default_ipv4_unicast = _attr(default_ipv4)
+        node.ecmp_max_paths = _attr(ecmp)
+
+        asn_peer = MagicMock()
+        asn_peer.asn = _attr(asn)
+        node.local_asn = _rel_one(asn_peer)
+
+        return node
+
+    async def test_returns_bgp_config_intent(self, client):
+        bgp_node = self._make_bgp_node()
+        client._sdk.get = AsyncMock(return_value=bgp_node)
+
+        result = await client.get_device_bgp_config("leaf1")
+
+        assert isinstance(result, BgpRouterConfigIntent)
+        assert result.router_id == "10.0.0.1"
+        assert result.local_asn == 65001
+        assert result.default_ipv4_unicast is True
+        assert result.ecmp_max_paths == 4
+
+    async def test_not_found_raises_error(self, client):
+        client._sdk.get = AsyncMock(side_effect=Exception("not found"))
+
+        with pytest.raises(InfrahubNotFoundError):
+            await client.get_device_bgp_config("leaf1")
+
+    async def test_caching(self, client):
+        bgp_node = self._make_bgp_node()
+        client._sdk.get = AsyncMock(return_value=bgp_node)
+
+        await client.get_device_bgp_config("leaf1")
+        await client.get_device_bgp_config("leaf1")
+
+        assert client._sdk.get.call_count == 1
+
+
+# ---------------------------------------------------------------------------
+# get_device_bgp_peer_groups
+# ---------------------------------------------------------------------------
+
+
+class TestGetDeviceBgpPeerGroups:
+    def _make_pg(self, name="UNDERLAY", pg_type="underlay", remote_asn=65000):
+        pg = MagicMock()
+        pg.name = _attr(name)
+        pg.peer_group_type = _attr(pg_type)
+        pg.update_source = _attr("Loopback0")
+        pg.send_community = _attr(True)
+        pg.ebgp_multihop = _attr(None)
+        pg.next_hop_unchanged = _attr(False)
+
+        asn_peer = MagicMock()
+        asn_peer.asn = _attr(remote_asn)
+        pg.remote_asn = _rel_one(asn_peer)
+
+        return pg
+
+    async def test_returns_peer_group_intents(self, client):
+        pg = self._make_pg()
+        bgp_node = MagicMock()
+        bgp_node.peer_groups = _rel_many([pg])
+        client._sdk.get = AsyncMock(return_value=bgp_node)
+
+        results = await client.get_device_bgp_peer_groups("leaf1")
+
+        assert len(results) == 1
+        assert isinstance(results[0], BgpPeerGroupIntent)
+        assert results[0].name == "UNDERLAY"
+        assert results[0].peer_group_type == "underlay"
+        assert results[0].remote_asn == 65000
+        assert results[0].send_community is True
+
+    async def test_empty_when_no_peer_groups(self, client):
+        bgp_node = MagicMock()
+        bgp_node.peer_groups = _rel_many([], initialized=False)
+        client._sdk.get = AsyncMock(return_value=bgp_node)
+
+        results = await client.get_device_bgp_peer_groups("leaf1")
+
+        assert results == []
+
+
+# ---------------------------------------------------------------------------
+# get_device_bgp_sessions
+# ---------------------------------------------------------------------------
+
+
+class TestGetDeviceBgpSessions:
+    def _make_session(self, peer_addr="192.168.1.1", enabled=True):
+        sess = MagicMock()
+        sess.peer_address = _attr(peer_addr)
+        sess.description = _attr("peer session")
+        sess.enabled = _attr(enabled)
+
+        pg_peer = MagicMock()
+        pg_peer.name = _attr("UNDERLAY")
+        sess.peer_group = _rel_one(pg_peer)
+
+        asn_peer = MagicMock()
+        asn_peer.asn = _attr(65000)
+        sess.remote_asn = _rel_one(asn_peer)
+
+        return sess
+
+    async def test_returns_session_intents(self, client):
+        sess = self._make_session()
+        bgp_node = MagicMock()
+        bgp_node.sessions = _rel_many([sess])
+        client._sdk.get = AsyncMock(return_value=bgp_node)
+
+        results = await client.get_device_bgp_sessions("leaf1")
+
+        assert len(results) == 1
+        assert isinstance(results[0], BgpSessionIntent)
+        assert results[0].peer_address == "192.168.1.1"
+        assert results[0].enabled is True
+        assert results[0].peer_group == "UNDERLAY"
+        assert results[0].remote_asn == 65000
+
+    async def test_empty_when_no_sessions(self, client):
+        bgp_node = MagicMock()
+        bgp_node.sessions = _rel_many([], initialized=False)
+        client._sdk.get = AsyncMock(return_value=bgp_node)
+
+        results = await client.get_device_bgp_sessions("leaf1")
+
+        assert results == []
+
+
+# ---------------------------------------------------------------------------
+# get_device_vrfs
+# ---------------------------------------------------------------------------
+
+
+class TestGetDeviceVrfs:
+    def _make_assignment(self, vrf_name="PROD", rd="65001:100", vni=100100):
+        vni_peer = MagicMock()
+        vni_peer.vni = _attr(vni)
+
+        rt_import = MagicMock()
+        rt_import.target = _attr("65001:100")
+        rt_export = MagicMock()
+        rt_export.target = _attr("65001:100")
+
+        vrf_node = MagicMock()
+        vrf_node.name = _attr(vrf_name)
+        vrf_node.route_distinguisher = _attr(rd)
+        vrf_node.vrf_id = _attr(None)
+        vrf_node.l3vni = _rel_one(vni_peer)
+        vrf_node.import_targets = _rel_many([rt_import])
+        vrf_node.export_targets = _rel_many([rt_export])
+
+        assignment = MagicMock()
+        assignment.vrf = _rel_one(vrf_node)
+
+        return assignment
+
+    async def test_returns_vrf_intents(self, client):
+        assignment = self._make_assignment()
+        client._sdk.filters = AsyncMock(return_value=[assignment])
+
+        results = await client.get_device_vrfs("leaf1")
+
+        assert len(results) == 1
+        assert isinstance(results[0], VrfIntent)
+        assert results[0].name == "PROD"
+        assert results[0].route_distinguisher == "65001:100"
+        assert results[0].l3vni == 100100
+        assert "65001:100" in results[0].import_targets
+
+    async def test_empty_when_no_assignments(self, client):
+        client._sdk.filters = AsyncMock(return_value=[])
+
+        results = await client.get_device_vrfs("leaf1")
+
+        assert results == []
+
+    async def test_caching(self, client):
+        assignment = self._make_assignment()
+        client._sdk.filters = AsyncMock(return_value=[assignment])
+
+        await client.get_device_vrfs("leaf1")
+        await client.get_device_vrfs("leaf1")
+
+        assert client._sdk.filters.call_count == 1
+
+
+# ---------------------------------------------------------------------------
+# get_device_vtep
+# ---------------------------------------------------------------------------
+
+
+class TestGetDeviceVtep:
+    def _make_vtep(self, src_addr="10.255.0.1", udp_port=4789):
+        vlan_node = MagicMock()
+        vlan_node.vlan_id = _attr(100)
+        vni_node = MagicMock()
+        vni_node.vni = _attr(10100)
+
+        mapping = MagicMock()
+        mapping.vlan = _rel_one(vlan_node)
+        mapping.vni = _rel_one(vni_node)
+
+        vtep = MagicMock()
+        vtep.source_address = _attr(src_addr)
+        vtep.udp_port = _attr(udp_port)
+        vtep.learn_restrict = _attr(True)
+        vtep.vlan_vni_mappings = _rel_many([mapping])
+
+        return vtep
+
+    async def test_returns_vtep_intent(self, client):
+        vtep = self._make_vtep()
+        client._sdk.filters = AsyncMock(return_value=[vtep])
+
+        result = await client.get_device_vtep("leaf1")
+
+        assert isinstance(result, VtepIntent)
+        assert result.source_address == "10.255.0.1"
+        assert result.udp_port == 4789
+        assert result.learn_restrict is True
+        assert (100, 10100) in result.vlan_vni_mappings
+
+    async def test_returns_none_when_no_vtep(self, client):
+        client._sdk.filters = AsyncMock(return_value=[])
+
+        result = await client.get_device_vtep("leaf1")
+
+        assert result is None
+
+
+# ---------------------------------------------------------------------------
+# get_device_evpn_instances
+# ---------------------------------------------------------------------------
+
+
+class TestGetDeviceEvpnInstances:
+    def _make_evpn_instance(self, rd="65001:100", rt_import="65001:100", rt_export="65001:100"):
+        vlan_node = MagicMock()
+        vlan_node.vlan_id = _attr(100)
+
+        node = MagicMock()
+        node.route_distinguisher = _attr(rd)
+        node.route_target_import = _attr(rt_import)
+        node.route_target_export = _attr(rt_export)
+        node.redistribute_learned = _attr(True)
+        node.vlan = _rel_one(vlan_node)
+
+        return node
+
+    async def test_returns_evpn_instance_intents(self, client):
+        evpn_node = self._make_evpn_instance()
+        client._sdk.filters = AsyncMock(return_value=[evpn_node])
+
+        results = await client.get_device_evpn_instances("leaf1")
+
+        assert len(results) == 1
+        assert isinstance(results[0], EvpnInstanceIntent)
+        assert results[0].route_distinguisher == "65001:100"
+        assert results[0].redistribute_learned is True
+        assert results[0].vlan_id == 100
+
+    async def test_empty_when_no_instances(self, client):
+        client._sdk.filters = AsyncMock(return_value=[])
+
+        results = await client.get_device_evpn_instances("leaf1")
+
+        assert results == []
+
+
+# ---------------------------------------------------------------------------
+# get_mlag_domain
+# ---------------------------------------------------------------------------
+
+
+class TestGetMlagDomain:
+    def _make_domain(self, device_names=("leaf1", "leaf2")):
+        devices = []
+        for dname in device_names:
+            d = MagicMock()
+            d.name = _attr(dname)
+            devices.append(d)
+
+        peer_vlan_node = MagicMock()
+        peer_vlan_node.vlan_id = _attr(4094)
+
+        domain = MagicMock()
+        domain.domain_id = _attr("1")
+        domain.virtual_mac = _attr("00:1c:73:00:00:01")
+        domain.heartbeat_vrf = _attr("MGMT")
+        domain.dual_primary_detection = _attr(True)
+        domain.dual_primary_delay = _attr(10)
+        domain.dual_primary_action = _attr("errDisable")
+        domain.devices = _rel_many(devices)
+        domain.peer_vlan = _rel_one(peer_vlan_node)
+
+        return domain
+
+    async def test_returns_mlag_domain_intent(self, client):
+        domain = self._make_domain()
+        client._sdk.all = AsyncMock(return_value=[domain])
+
+        result = await client.get_mlag_domain("leaf1")
+
+        assert isinstance(result, MlagDomainIntent)
+        assert result.domain_id == "1"
+        assert result.virtual_mac == "00:1c:73:00:00:01"
+        assert "leaf1" in result.peer_devices
+        assert "leaf2" in result.peer_devices
+
+    async def test_returns_none_when_device_not_in_any_domain(self, client):
+        domain = self._make_domain(device_names=("leaf3", "leaf4"))
+        client._sdk.all = AsyncMock(return_value=[domain])
+
+        result = await client.get_mlag_domain("leaf1")
+
+        assert result is None
+
+    async def test_caching(self, client):
+        domain = self._make_domain()
+        client._sdk.all = AsyncMock(return_value=[domain])
+
+        await client.get_mlag_domain("leaf1")
+        await client.get_mlag_domain("leaf1")
+
+        assert client._sdk.all.call_count == 1
+
+
+# ---------------------------------------------------------------------------
+# get_mlag_peer_config
+# ---------------------------------------------------------------------------
+
+
+class TestGetMlagPeerConfig:
+    def _make_peer_config(self):
+        peer_link_node = MagicMock()
+        peer_link_node.name = _attr("Port-Channel1")
+
+        cfg = MagicMock()
+        cfg.local_interface_ip = _attr("192.168.255.0/31")
+        cfg.peer_address = _attr("192.168.255.1")
+        cfg.heartbeat_peer_ip = _attr("192.168.1.2")
+        cfg.peer_link = _rel_one(peer_link_node)
+
+        return cfg
+
+    async def test_returns_mlag_peer_config_intent(self, client):
+        cfg = self._make_peer_config()
+        client._sdk.filters = AsyncMock(return_value=[cfg])
+
+        result = await client.get_mlag_peer_config("leaf1")
+
+        assert isinstance(result, MlagPeerConfigIntent)
+        assert result.local_interface_ip == "192.168.255.0/31"
+        assert result.peer_address == "192.168.255.1"
+        assert result.peer_link == "Port-Channel1"
+
+    async def test_returns_none_when_no_config(self, client):
+        client._sdk.filters = AsyncMock(return_value=[])
+
+        result = await client.get_mlag_peer_config("leaf1")
+
+        assert result is None
+
+
+# ---------------------------------------------------------------------------
+# Async context manager
+# ---------------------------------------------------------------------------
+
+
+class TestContextManager:
+    async def test_context_manager(self):
+        with patch("infrahub_client.client.InfrahubClient"):
+            async with FabricInfrahubClient(
+                url="http://infrahub:8080", api_token="token"
+            ) as client:
+                assert isinstance(client, FabricInfrahubClient)
+
+
+# ---------------------------------------------------------------------------
+# Cache TTL expiry
+# ---------------------------------------------------------------------------
+
+
+class TestCacheTtl:
+    async def test_expired_cache_triggers_new_sdk_call(self, client):
+        device_node = _make_device()
+        client._sdk.get = AsyncMock(return_value=device_node)
+
+        await client.get_device("leaf1")
+        # Manually expire the cache entry
+        client._cache["device:leaf1"] = (client._cache["device:leaf1"][0], 0.0)
+        await client.get_device("leaf1")
+
+        assert client._sdk.get.call_count == 2
+
+
+# ---------------------------------------------------------------------------
+# InfrahubQueryError propagation
+# ---------------------------------------------------------------------------
+
+
+class TestQueryError:
+    async def test_sdk_unexpected_error_raises_query_error(self, client):
+        client._sdk.get = AsyncMock(side_effect=Exception("connection refused"))
+
+        with pytest.raises(InfrahubQueryError):
+            await client.get_device_bgp_config("leaf1")