MakerFLOSS/tests/test_gen_rack.py

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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 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_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 "![Rack rack01 elevation](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_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()