MakerFLOSS/tests/test_gen_rack.py
sjat 08862fde51 feat(rack): add elevation legend, both-gutter U-numbers, column frames
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-24 18:39:56 +02:00

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import pytest
import gen_rack
def item(**kw):
base = {"hostname": "x", "kind": "server", "status": "in-use", "rack": "rack01"}
base.update(kw)
return base
def shelf(**kw):
base = {"hostname": "shf01", "kind": "shelf", "status": "in-use",
"rack": "rack01", "rack_u": 37, "u_height": 10, "rack_face": "both"}
base.update(kw)
return base
def test_validate_accepts_valid_placement():
gen_rack.validate_item(item(rack_u=12, u_height=2, rack_face="front"))
def test_validate_rejects_u_overflow():
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_item(item(rack_u=47, u_height=3, rack_face="front"))
def test_validate_rejects_u_below_one():
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_item(item(rack_u=0, u_height=1, rack_face="front"))
def test_validate_rejects_bad_face():
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_item(item(rack_u=1, u_height=1, rack_face="sideways"))
def test_validate_rejects_zero_u_with_units():
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_item(item(rack_face="left", rack_u=1, u_height=1))
def test_validate_accepts_zero_u_rail():
gen_rack.validate_item(item(rack_face="left"))
def test_validate_rejects_missing_units_on_faced_item():
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_item(item(rack_face="front"))
def test_validate_rejects_empty_rack():
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_item(item(rack=None, rack_u=1, u_height=1, rack_face="front"))
def test_overlaps_detects_same_face_overlap():
items = [
item(hostname="a", rack_u=1, u_height=2, rack_face="front"),
item(hostname="b", rack_u=2, u_height=1, rack_face="front"),
]
with pytest.raises(gen_rack.SchemaError):
gen_rack.check_overlaps(items)
def test_overlaps_allows_same_u_different_face():
items = [
item(hostname="a", rack_u=5, u_height=1, rack_face="front"),
item(hostname="b", rack_u=5, u_height=1, rack_face="rear"),
]
gen_rack.check_overlaps(items) # no raise
def test_overlaps_both_face_conflicts_with_front():
items = [
item(hostname="a", rack_u=5, u_height=1, rack_face="both"),
item(hostname="b", rack_u=5, u_height=1, rack_face="front"),
]
with pytest.raises(gen_rack.SchemaError):
gen_rack.check_overlaps(items)
def test_overlaps_ignores_zero_u_rails():
items = [
item(hostname="p1", rack_face="left"),
item(hostname="p2", rack_face="left"),
]
gen_rack.check_overlaps(items) # no raise
def test_render_svg_has_two_columns_of_48_slots():
svg = gen_rack.render_svg("rack01", [])
# one faint slot rect per U per column (front + rear)
assert svg.count('fill="#f5f5f5"') == 2 * gen_rack.RACK_UNITS
assert svg.startswith("<svg")
assert svg.rstrip().endswith("</svg>")
def test_render_svg_includes_device_label():
items = [item(hostname="mf00", rack_u=1, u_height=2, rack_face="front")]
svg = gen_rack.render_svg("rack01", items)
assert "mf00" in svg
assert "U1" in svg
def test_render_svg_is_deterministic():
items = [
item(hostname="b", rack_u=3, u_height=1, rack_face="front"),
item(hostname="a", rack_u=1, u_height=1, rack_face="rear"),
]
assert gen_rack.render_svg("rack01", items) == gen_rack.render_svg(
"rack01", list(reversed(items))
)
def test_render_page_has_banner_image_and_table():
items = [item(hostname="mf00", rack_u=1, u_height=2, rack_face="front")]
page = gen_rack.render_page("rack01", items)
assert "do not edit by hand" in page
assert '<div class="rack-elevation">' in page
assert "<svg" in page
assert "[Download SVG](rack01-elevation.svg)" in page
assert "../../hardware/mf00.md" in page
assert "U1U2" in page
def _write_item(d, name, body):
(d / f"{name}.md").write_text(body, encoding="utf-8")
def test_generate_writes_artifacts(tmp_path):
hw = tmp_path / "hardware"
out = tmp_path / "out"
hw.mkdir()
_write_item(
hw,
"mf00",
"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n---\n",
)
# a non-rack file must be ignored
_write_item(hw, "cloud", "---\nhostname: cloud\nkind: server\nstatus: in-use\n---\n")
rc = gen_rack.generate(hw, out)
assert rc == 0
assert (out / "rack01.md").exists()
assert (out / "rack01-elevation.svg").exists()
assert "mf00" in (out / "rack01-elevation.svg").read_text()
def test_render_svg_draws_zero_u_rail():
items = [item(hostname="pdu01", kind="pdu", rack_face="left")]
svg = gen_rack.render_svg("rack01", items)
assert "pdu01" in svg
assert "rotate(-90" in svg
def test_render_svg_both_face_draws_in_both_columns():
items = [item(hostname="dev", rack_u=10, u_height=1, rack_face="both")]
svg = gen_rack.render_svg("rack01", items)
assert svg.count("dev (U10)") == 2
def test_generate_writes_one_pair_per_rack(tmp_path):
hw = tmp_path / "hardware"
out = tmp_path / "out"
hw.mkdir()
_write_item(
hw,
"a",
"---\nhostname: a\nkind: server\nstatus: in-use\n"
"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n---\n",
)
_write_item(
hw,
"b",
"---\nhostname: b\nkind: server\nstatus: in-use\n"
"rack: rack02\nrack_u: 1\nu_height: 1\nrack_face: front\n---\n",
)
rc = gen_rack.generate(hw, out)
assert rc == 0
assert (out / "rack01.md").exists() and (out / "rack02.md").exists()
assert (out / "rack01-elevation.svg").exists()
assert (out / "rack02-elevation.svg").exists()
def test_generate_returns_1_on_overlap(tmp_path):
hw = tmp_path / "hardware"
out = tmp_path / "out"
hw.mkdir()
for n, u in (("a", 1), ("b", 1)):
_write_item(
hw,
n,
f"---\nhostname: {n}\nkind: server\nstatus: in-use\n"
f"rack: rack01\nrack_u: {u}\nu_height: 1\nrack_face: front\n---\n",
)
rc = gen_rack.generate(hw, out)
assert rc == 1
assert not (out / "rack01.md").exists()
def test_validate_power_accepts_valid_feed():
items = [
item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
power=[{"pdu": "pdu01", "outlet": 1}]),
]
gen_rack.validate_power(items)
def test_validate_power_rejects_unknown_pdu():
items = [item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
power=[{"pdu": "ghost", "outlet": 1}])]
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_power(items)
def test_validate_power_rejects_non_pdu_target():
items = [
item(hostname="sw01", kind="switch", rack_u=1, u_height=1,
rack_face="front"),
item(hostname="mf00", rack_u=2, u_height=1, rack_face="front",
power=[{"pdu": "sw01", "outlet": 1}]),
]
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_power(items)
def test_validate_power_rejects_outlet_over_count():
items = [
item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
power=[{"pdu": "pdu01", "outlet": 9}]),
]
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_power(items)
def test_validate_power_rejects_outlet_zero():
items = [
item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
power=[{"pdu": "pdu01", "outlet": 0}]),
]
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_power(items)
def test_validate_power_rejects_malformed_entry():
items = [
item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
power=["pdu01"]),
]
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_power(items)
def test_validate_power_rejects_pdu_without_outlets():
items = [
item(hostname="pdu01", kind="pdu", rack_face="left"),
item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
power=[{"pdu": "pdu01", "outlet": 1}]),
]
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_power(items)
def test_generate_returns_1_on_bad_power_ref(tmp_path):
hw = tmp_path / "hardware"
out = tmp_path / "out"
hw.mkdir()
_write_item(
hw,
"mf00",
"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n"
"power:\n - { pdu: ghost, outlet: 1 }\n---\n",
)
rc = gen_rack.generate(hw, out)
assert rc == 1
assert not (out / "rack01.md").exists()
def test_render_power_has_nodes_and_edge_labels():
items = [
item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
power=[{"pdu": "pdu01", "outlet": 3}]),
]
out = gen_rack.render_power("rack01", items)
assert "```mermaid" in out
assert "flowchart LR" in out
assert "pdu01" in out
assert "8 outlets" in out
assert "outlet 3" in out
assert "mf00" in out
def test_render_power_redundant_device_has_two_edges():
items = [
item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
item(hostname="pdu02", kind="pdu", rack_face="right", outlets=8),
item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
power=[{"pdu": "pdu01", "outlet": 1},
{"pdu": "pdu02", "outlet": 1}]),
]
out = gen_rack.render_power("rack01", items)
assert out.count("-->|outlet") == 2
def test_render_power_empty_when_no_feeds():
items = [item(hostname="mf00", rack_u=1, u_height=1, rack_face="front")]
assert gen_rack.render_power("rack01", items) == ""
def test_render_power_is_deterministic():
a = item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8)
b = item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
power=[{"pdu": "pdu01", "outlet": 2}])
c = item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
power=[{"pdu": "pdu01", "outlet": 1}])
assert gen_rack.render_power("rack01", [a, b, c]) == \
gen_rack.render_power("rack01", [c, b, a])
def test_generate_includes_power_section(tmp_path):
hw = tmp_path / "hardware"
out = tmp_path / "out"
hw.mkdir()
_write_item(
hw,
"pdu01",
"---\nhostname: pdu01\nkind: pdu\nstatus: in-use\n"
"rack: rack01\nrack_face: left\noutlets: 8\n---\n",
)
_write_item(
hw,
"mf00",
"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n"
"power:\n - { pdu: pdu01, outlet: 1 }\n---\n",
)
rc = gen_rack.generate(hw, out)
assert rc == 0
page = (out / "rack01.md").read_text()
assert "## Power" in page
assert "```mermaid" in page
assert "outlet 1" in page
def test_load_hardware_index_maps_all_hostnames(tmp_path):
hw = tmp_path / "hardware"
hw.mkdir()
_write_item(
hw, "sw01",
"---\nhostname: sw01\nkind: switch\nstatus: in-use\nports: 24\n---\n",
)
_write_item(
hw, "mf00",
"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n---\n",
)
idx = gen_rack.load_hardware_index(hw)
assert set(idx) == {"sw01", "mf00"}
assert idx["sw01"]["ports"] == 24
def test_validate_links_accepts_valid_link():
items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "sw01",
"peer_port": 1, "speed_gbps": 1}])]
hw_index = {"sw01": item(hostname="sw01", kind="switch", ports=24)}
gen_rack.validate_links(items, hw_index)
def test_validate_links_rejects_unknown_peer():
items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "ghost", "peer_port": 1}])]
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_links(items, {})
def test_validate_links_rejects_peer_port_over_count():
items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "sw01", "peer_port": 25}])]
hw_index = {"sw01": item(hostname="sw01", kind="switch", ports=24)}
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_links(items, hw_index)
def test_validate_links_rejects_peer_port_below_one():
items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "sw01", "peer_port": 0}])]
hw_index = {"sw01": item(hostname="sw01", kind="switch", ports=24)}
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_links(items, hw_index)
def test_validate_links_accepts_peer_without_ports():
items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "rtr01", "peer_port": 99}])]
hw_index = {"rtr01": item(hostname="rtr01", kind="server")}
gen_rack.validate_links(items, hw_index) # no ports -> range check skipped
def test_validate_links_rejects_missing_local():
items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
links=[{"peer": "sw01", "peer_port": 1}])]
hw_index = {"sw01": item(hostname="sw01", kind="switch", ports=24)}
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_links(items, hw_index)
def test_validate_links_rejects_malformed_entry():
items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
links=["sw01"])]
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_links(items, {})
def test_generate_returns_1_on_bad_link_peer(tmp_path):
hw = tmp_path / "hardware"
out = tmp_path / "out"
hw.mkdir()
_write_item(
hw, "mf00",
"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n"
"links:\n - { local: eth0, peer: ghost, peer_port: 1 }\n---\n",
)
rc = gen_rack.generate(hw, out)
assert rc == 1
assert not (out / "rack01.md").exists()
def test_render_network_has_nodes_and_edge_labels():
items = [
item(hostname="sw01", kind="switch", rack_u=10, u_height=1,
rack_face="front", ports=24),
item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "sw01",
"peer_port": 1, "speed_gbps": 1}]),
]
out = gen_rack.render_network("rack01", items)
assert "```mermaid" in out
assert "flowchart LR" in out
assert "sw01<br/>switch" in out
assert "mf00" in out
assert "eth0" in out
assert "p1" in out
assert "1G" in out
def test_render_network_patch_panel_subtitle():
items = [
item(hostname="pp01", kind="patch-panel", rack_u=24, u_height=1,
rack_face="front", ports=24),
item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "pp01",
"peer_port": 1, "speed_gbps": 1}]),
]
out = gen_rack.render_network("rack01", items)
assert "pp01<br/>patch-panel" in out
def test_render_network_empty_when_no_links():
items = [item(hostname="mf00", rack_u=1, u_height=1, rack_face="front")]
assert gen_rack.render_network("rack01", items) == ""
def test_render_network_omits_speed_when_absent():
items = [
item(hostname="sw01", kind="switch", rack_u=10, u_height=1,
rack_face="front", ports=24),
item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "sw01", "peer_port": 1}]),
]
out = gen_rack.render_network("rack01", items)
assert "eth0" in out and "p1" in out
assert "·" not in out # no speed suffix rendered
def test_render_network_is_deterministic():
a = item(hostname="sw01", kind="switch", rack_u=10, u_height=1,
rack_face="front", ports=24)
b = item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "sw01",
"peer_port": 2, "speed_gbps": 1}])
c = item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
links=[{"local": "eth0", "peer": "sw01",
"peer_port": 1, "speed_gbps": 1}])
assert gen_rack.render_network("rack01", [a, b, c]) == \
gen_rack.render_network("rack01", [c, b, a])
def test_generate_includes_network_section(tmp_path):
hw = tmp_path / "hardware"
out = tmp_path / "out"
hw.mkdir()
_write_item(
hw, "sw01",
"---\nhostname: sw01\nkind: switch\nstatus: in-use\n"
"rack: rack01\nrack_u: 10\nu_height: 1\nrack_face: front\nports: 24\n---\n",
)
_write_item(
hw, "mf00",
"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n"
"links:\n - { local: eth0, peer: sw01, peer_port: 1, speed_gbps: 1 }\n---\n",
)
rc = gen_rack.generate(hw, out)
assert rc == 0
page = (out / "rack01.md").read_text()
assert "## Network" in page
assert "```mermaid" in page
assert "eth0" in page
def test_validate_accepts_mounted_item():
gen_rack.validate_item(item(hostname="srv01", mounted_on="shf01",
shelf_face="front", shelf_slot=1))
def test_validate_rejects_mounted_with_rack_u():
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_item(item(hostname="srv01", mounted_on="shf01",
shelf_face="front", shelf_slot=1, rack_u=5))
def test_validate_rejects_mounted_bad_shelf_face():
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_item(item(hostname="srv01", mounted_on="shf01",
shelf_face="left", shelf_slot=1))
def test_validate_rejects_mounted_bad_slot():
with pytest.raises(gen_rack.SchemaError):
gen_rack.validate_item(item(hostname="srv01", mounted_on="shf01",
shelf_face="front", shelf_slot=0))
def test_overlaps_skips_mounted_items():
items = [
item(hostname="a", mounted_on="shf01", shelf_face="front", shelf_slot=1),
item(hostname="b", mounted_on="shf01", shelf_face="front", shelf_slot=2),
]
gen_rack.check_overlaps(items) # no raise — mounted items claim no U-range
def test_check_shelves_accepts_valid_mount():
items = [shelf(),
item(hostname="srv01", mounted_on="shf01",
shelf_face="front", shelf_slot=1)]
gen_rack.check_shelves(items)
def test_check_shelves_rejects_missing_shelf():
items = [item(hostname="srv01", mounted_on="ghost",
shelf_face="front", shelf_slot=1)]
with pytest.raises(gen_rack.SchemaError):
gen_rack.check_shelves(items)
def test_check_shelves_rejects_non_shelf_target():
items = [
item(hostname="sw01", kind="switch", rack_u=10, u_height=1,
rack_face="front"),
item(hostname="srv01", mounted_on="sw01",
shelf_face="front", shelf_slot=1),
]
with pytest.raises(gen_rack.SchemaError):
gen_rack.check_shelves(items)
def test_check_shelves_rejects_duplicate_slot():
items = [shelf(),
item(hostname="srv01", mounted_on="shf01",
shelf_face="front", shelf_slot=1),
item(hostname="srv02", mounted_on="shf01",
shelf_face="front", shelf_slot=1)]
with pytest.raises(gen_rack.SchemaError):
gen_rack.check_shelves(items)
def test_generate_returns_1_on_dangling_mount(tmp_path):
hw = tmp_path / "hardware"
out = tmp_path / "out"
hw.mkdir()
_write_item(
hw, "srv01",
"---\nhostname: srv01\nkind: server\nstatus: in-use\n"
"rack: rack01\nmounted_on: ghost\nshelf_face: front\nshelf_slot: 1\n---\n",
)
rc = gen_rack.generate(hw, out)
assert rc == 1
assert not (out / "rack01.md").exists()
def test_render_svg_draws_shelf_and_occupants():
items = [
shelf(),
item(hostname="srv01", mounted_on="shf01", shelf_face="front", shelf_slot=1),
item(hostname="srv02", mounted_on="shf01", shelf_face="front", shelf_slot=2),
item(hostname="srv03", mounted_on="shf01", shelf_face="rear", shelf_slot=1),
]
svg = gen_rack.render_svg("rack01", items)
assert "shf01" in svg
assert "srv01" in svg and "srv02" in svg and "srv03" in svg
# the shelf is NOT drawn as a generic full-height device box
assert "shf01 (U37" not in svg
def test_render_svg_shelf_is_deterministic():
base = [
shelf(),
item(hostname="srv02", mounted_on="shf01", shelf_face="front", shelf_slot=2),
item(hostname="srv01", mounted_on="shf01", shelf_face="front", shelf_slot=1),
]
assert gen_rack.render_svg("rack01", base) == gen_rack.render_svg(
"rack01", list(reversed(base))
)
def test_render_page_lists_mounted_devices():
items = [shelf(),
item(hostname="srv01", mounted_on="shf01",
shelf_face="front", shelf_slot=1)]
page = gen_rack.render_page("rack01", items)
assert "../../hardware/srv01.md" in page
assert "front · shf01/1" in page
assert "U37U46" in page # mounted device shows its shelf's U-range
def test_svg_boxes_link_to_host_pages():
items = [item(hostname="srv04", rack_u=5, u_height=1, rack_face="front")]
svg = gen_rack.render_svg("rack01", items)
assert '<a href="/hardware/srv04/">' in svg
assert "<title>" in svg
def test_svg_status_border_styles():
staging = gen_rack.render_svg("rack01", [
item(hostname="a", rack_u=1, u_height=1, rack_face="front",
status="staging")])
broken = gen_rack.render_svg("rack01", [
item(hostname="b", rack_u=1, u_height=1, rack_face="front",
status="broken")])
assert 'stroke-dasharray="4 2"' in staging
assert 'stroke="#e15759"' in broken and 'stroke-width="3"' in broken
def test_svg_tooltip_has_cluster_and_placement():
items = [item(hostname="srv01", rack_u=1, u_height=1, rack_face="front",
status="staging", cluster="tappaas")]
svg = gen_rack.render_svg("rack01", items)
assert "cluster: tappaas" in svg
assert "U1" in svg
def test_svg_has_responsive_style():
svg = gen_rack.render_svg("rack01", [])
assert "max-width:100%" in svg
def test_render_page_inlines_svg_with_download_link():
items = [item(hostname="srv04", rack_u=5, u_height=1, rack_face="front")]
page = gen_rack.render_page("rack01", items)
assert '<div class="rack-elevation">' in page
assert "<svg" in page
assert "[Download SVG](rack01-elevation.svg)" in page
assert "![Rack rack01 elevation]" not in page
def test_svg_legend_shows_present_kinds():
items = [item(hostname="sw01", kind="switch", rack_u=10, u_height=1,
rack_face="front")]
svg = gen_rack.render_svg("rack01", items)
assert ">Legend<" in svg
assert ">switch<" in svg
def test_svg_legend_omits_absent_kinds():
items = [item(hostname="sw01", kind="switch", rack_u=10, u_height=1,
rack_face="front")]
svg = gen_rack.render_svg("rack01", items)
assert ">ups<" not in svg
def test_svg_u_numbers_in_both_gutters():
svg = gen_rack.render_svg("rack01", [])
assert 'text-anchor="end"' in svg # left gutter
assert 'text-anchor="start"' in svg # right gutter
def test_svg_has_column_frames():
svg = gen_rack.render_svg("rack01", [])
assert svg.count('fill="none"') >= 2 # one frame per column