504 lines
17 KiB
Python
504 lines
17 KiB
Python
import pytest
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import gen_rack
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def item(**kw):
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base = {"hostname": "x", "kind": "server", "status": "in-use", "rack": "rack01"}
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base.update(kw)
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return base
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def test_validate_accepts_valid_placement():
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gen_rack.validate_item(item(rack_u=12, u_height=2, rack_face="front"))
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def test_validate_rejects_u_overflow():
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_item(item(rack_u=47, u_height=3, rack_face="front"))
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def test_validate_rejects_u_below_one():
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_item(item(rack_u=0, u_height=1, rack_face="front"))
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def test_validate_rejects_bad_face():
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_item(item(rack_u=1, u_height=1, rack_face="sideways"))
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def test_validate_rejects_zero_u_with_units():
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_item(item(rack_face="left", rack_u=1, u_height=1))
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def test_validate_accepts_zero_u_rail():
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gen_rack.validate_item(item(rack_face="left"))
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def test_validate_rejects_missing_units_on_faced_item():
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_item(item(rack_face="front"))
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def test_validate_rejects_empty_rack():
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_item(item(rack=None, rack_u=1, u_height=1, rack_face="front"))
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def test_overlaps_detects_same_face_overlap():
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items = [
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item(hostname="a", rack_u=1, u_height=2, rack_face="front"),
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item(hostname="b", rack_u=2, u_height=1, rack_face="front"),
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]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.check_overlaps(items)
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def test_overlaps_allows_same_u_different_face():
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items = [
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item(hostname="a", rack_u=5, u_height=1, rack_face="front"),
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item(hostname="b", rack_u=5, u_height=1, rack_face="rear"),
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]
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gen_rack.check_overlaps(items) # no raise
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def test_overlaps_both_face_conflicts_with_front():
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items = [
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item(hostname="a", rack_u=5, u_height=1, rack_face="both"),
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item(hostname="b", rack_u=5, u_height=1, rack_face="front"),
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]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.check_overlaps(items)
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def test_overlaps_ignores_zero_u_rails():
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items = [
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item(hostname="p1", rack_face="left"),
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item(hostname="p2", rack_face="left"),
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]
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gen_rack.check_overlaps(items) # no raise
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def test_render_svg_has_two_columns_of_48_slots():
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svg = gen_rack.render_svg("rack01", [])
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# one faint slot rect per U per column (front + rear)
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assert svg.count('fill="#f5f5f5"') == 2 * gen_rack.RACK_UNITS
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assert svg.startswith("<svg")
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assert svg.rstrip().endswith("</svg>")
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def test_render_svg_includes_device_label():
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items = [item(hostname="mf00", rack_u=1, u_height=2, rack_face="front")]
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svg = gen_rack.render_svg("rack01", items)
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assert "mf00" in svg
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assert "U1" in svg
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def test_render_svg_is_deterministic():
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items = [
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item(hostname="b", rack_u=3, u_height=1, rack_face="front"),
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item(hostname="a", rack_u=1, u_height=1, rack_face="rear"),
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]
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assert gen_rack.render_svg("rack01", items) == gen_rack.render_svg(
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"rack01", list(reversed(items))
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)
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def test_render_page_has_banner_image_and_table():
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items = [item(hostname="mf00", rack_u=1, u_height=2, rack_face="front")]
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page = gen_rack.render_page("rack01", items)
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assert "do not edit by hand" in page
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assert "" in page
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assert "../../hardware/mf00.md" in page
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assert "U1–U2" in page
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def _write_item(d, name, body):
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(d / f"{name}.md").write_text(body, encoding="utf-8")
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def test_generate_writes_artifacts(tmp_path):
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hw = tmp_path / "hardware"
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out = tmp_path / "out"
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hw.mkdir()
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_write_item(
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hw,
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"mf00",
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"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
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"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n---\n",
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)
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# a non-rack file must be ignored
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_write_item(hw, "cloud", "---\nhostname: cloud\nkind: server\nstatus: in-use\n---\n")
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rc = gen_rack.generate(hw, out)
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assert rc == 0
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assert (out / "rack01.md").exists()
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assert (out / "rack01-elevation.svg").exists()
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assert "mf00" in (out / "rack01-elevation.svg").read_text()
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def test_render_svg_draws_zero_u_rail():
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items = [item(hostname="pdu01", kind="pdu", rack_face="left")]
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svg = gen_rack.render_svg("rack01", items)
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assert "pdu01" in svg
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assert "rotate(-90" in svg
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def test_render_svg_both_face_draws_in_both_columns():
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items = [item(hostname="dev", rack_u=10, u_height=1, rack_face="both")]
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svg = gen_rack.render_svg("rack01", items)
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assert svg.count("dev (U10)") == 2
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def test_generate_writes_one_pair_per_rack(tmp_path):
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hw = tmp_path / "hardware"
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out = tmp_path / "out"
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hw.mkdir()
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_write_item(
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hw,
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"a",
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"---\nhostname: a\nkind: server\nstatus: in-use\n"
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"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n---\n",
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)
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_write_item(
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hw,
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"b",
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"---\nhostname: b\nkind: server\nstatus: in-use\n"
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"rack: rack02\nrack_u: 1\nu_height: 1\nrack_face: front\n---\n",
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)
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rc = gen_rack.generate(hw, out)
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assert rc == 0
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assert (out / "rack01.md").exists() and (out / "rack02.md").exists()
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assert (out / "rack01-elevation.svg").exists()
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assert (out / "rack02-elevation.svg").exists()
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def test_generate_returns_1_on_overlap(tmp_path):
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hw = tmp_path / "hardware"
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out = tmp_path / "out"
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hw.mkdir()
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for n, u in (("a", 1), ("b", 1)):
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_write_item(
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hw,
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n,
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f"---\nhostname: {n}\nkind: server\nstatus: in-use\n"
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f"rack: rack01\nrack_u: {u}\nu_height: 1\nrack_face: front\n---\n",
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)
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rc = gen_rack.generate(hw, out)
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assert rc == 1
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assert not (out / "rack01.md").exists()
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def test_validate_power_accepts_valid_feed():
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items = [
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item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
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item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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power=[{"pdu": "pdu01", "outlet": 1}]),
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]
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gen_rack.validate_power(items)
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def test_validate_power_rejects_unknown_pdu():
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items = [item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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power=[{"pdu": "ghost", "outlet": 1}])]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_power(items)
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def test_validate_power_rejects_non_pdu_target():
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items = [
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item(hostname="sw01", kind="switch", rack_u=1, u_height=1,
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rack_face="front"),
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item(hostname="mf00", rack_u=2, u_height=1, rack_face="front",
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power=[{"pdu": "sw01", "outlet": 1}]),
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]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_power(items)
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def test_validate_power_rejects_outlet_over_count():
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items = [
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item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
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item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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power=[{"pdu": "pdu01", "outlet": 9}]),
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]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_power(items)
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def test_validate_power_rejects_outlet_zero():
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items = [
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item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
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item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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power=[{"pdu": "pdu01", "outlet": 0}]),
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]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_power(items)
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def test_validate_power_rejects_malformed_entry():
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items = [
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item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
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item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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power=["pdu01"]),
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]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_power(items)
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def test_validate_power_rejects_pdu_without_outlets():
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items = [
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item(hostname="pdu01", kind="pdu", rack_face="left"),
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item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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power=[{"pdu": "pdu01", "outlet": 1}]),
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]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_power(items)
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def test_generate_returns_1_on_bad_power_ref(tmp_path):
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hw = tmp_path / "hardware"
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out = tmp_path / "out"
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hw.mkdir()
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_write_item(
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hw,
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"mf00",
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"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
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"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n"
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"power:\n - { pdu: ghost, outlet: 1 }\n---\n",
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)
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rc = gen_rack.generate(hw, out)
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assert rc == 1
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assert not (out / "rack01.md").exists()
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def test_render_power_has_nodes_and_edge_labels():
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items = [
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item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
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item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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power=[{"pdu": "pdu01", "outlet": 3}]),
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]
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out = gen_rack.render_power("rack01", items)
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assert "```mermaid" in out
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assert "flowchart LR" in out
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assert "pdu01" in out
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assert "8 outlets" in out
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assert "outlet 3" in out
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assert "mf00" in out
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def test_render_power_redundant_device_has_two_edges():
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items = [
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item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8),
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item(hostname="pdu02", kind="pdu", rack_face="right", outlets=8),
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item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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power=[{"pdu": "pdu01", "outlet": 1},
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{"pdu": "pdu02", "outlet": 1}]),
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]
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out = gen_rack.render_power("rack01", items)
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assert out.count("-->|outlet") == 2
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def test_render_power_empty_when_no_feeds():
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items = [item(hostname="mf00", rack_u=1, u_height=1, rack_face="front")]
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assert gen_rack.render_power("rack01", items) == ""
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def test_render_power_is_deterministic():
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a = item(hostname="pdu01", kind="pdu", rack_face="left", outlets=8)
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b = item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
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power=[{"pdu": "pdu01", "outlet": 2}])
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c = item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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power=[{"pdu": "pdu01", "outlet": 1}])
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assert gen_rack.render_power("rack01", [a, b, c]) == \
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gen_rack.render_power("rack01", [c, b, a])
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def test_generate_includes_power_section(tmp_path):
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hw = tmp_path / "hardware"
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out = tmp_path / "out"
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hw.mkdir()
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_write_item(
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hw,
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"pdu01",
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"---\nhostname: pdu01\nkind: pdu\nstatus: in-use\n"
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"rack: rack01\nrack_face: left\noutlets: 8\n---\n",
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)
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_write_item(
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hw,
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"mf00",
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"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
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"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n"
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"power:\n - { pdu: pdu01, outlet: 1 }\n---\n",
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)
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rc = gen_rack.generate(hw, out)
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assert rc == 0
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page = (out / "rack01.md").read_text()
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assert "## Power" in page
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assert "```mermaid" in page
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assert "outlet 1" in page
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def test_load_hardware_index_maps_all_hostnames(tmp_path):
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hw = tmp_path / "hardware"
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hw.mkdir()
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_write_item(
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hw, "sw01",
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"---\nhostname: sw01\nkind: switch\nstatus: in-use\nports: 24\n---\n",
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)
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_write_item(
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hw, "mf00",
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"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
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"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n---\n",
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)
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idx = gen_rack.load_hardware_index(hw)
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assert set(idx) == {"sw01", "mf00"}
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assert idx["sw01"]["ports"] == 24
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def test_validate_links_accepts_valid_link():
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items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
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links=[{"local": "eth0", "peer": "sw01",
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"peer_port": 1, "speed_gbps": 1}])]
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hw_index = {"sw01": item(hostname="sw01", kind="switch", ports=24)}
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gen_rack.validate_links(items, hw_index)
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def test_validate_links_rejects_unknown_peer():
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items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
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links=[{"local": "eth0", "peer": "ghost", "peer_port": 1}])]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_links(items, {})
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def test_validate_links_rejects_peer_port_over_count():
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items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
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links=[{"local": "eth0", "peer": "sw01", "peer_port": 25}])]
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hw_index = {"sw01": item(hostname="sw01", kind="switch", ports=24)}
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_links(items, hw_index)
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def test_validate_links_accepts_peer_without_ports():
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items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
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links=[{"local": "eth0", "peer": "rtr01", "peer_port": 99}])]
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hw_index = {"rtr01": item(hostname="rtr01", kind="server")}
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gen_rack.validate_links(items, hw_index) # no ports -> range check skipped
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def test_validate_links_rejects_missing_local():
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items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
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links=[{"peer": "sw01", "peer_port": 1}])]
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hw_index = {"sw01": item(hostname="sw01", kind="switch", ports=24)}
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_links(items, hw_index)
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def test_validate_links_rejects_malformed_entry():
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items = [item(hostname="mf01", rack_u=2, u_height=1, rack_face="front",
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links=["sw01"])]
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with pytest.raises(gen_rack.SchemaError):
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gen_rack.validate_links(items, {})
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def test_generate_returns_1_on_bad_link_peer(tmp_path):
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hw = tmp_path / "hardware"
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out = tmp_path / "out"
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hw.mkdir()
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_write_item(
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hw, "mf00",
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"---\nhostname: mf00\nkind: server\nstatus: in-use\n"
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"rack: rack01\nrack_u: 1\nu_height: 1\nrack_face: front\n"
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"links:\n - { local: eth0, peer: ghost, peer_port: 1 }\n---\n",
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)
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rc = gen_rack.generate(hw, out)
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assert rc == 1
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assert not (out / "rack01.md").exists()
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def test_render_network_has_nodes_and_edge_labels():
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items = [
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item(hostname="sw01", kind="switch", rack_u=10, u_height=1,
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rack_face="front", ports=24),
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item(hostname="mf00", rack_u=1, u_height=1, rack_face="front",
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links=[{"local": "eth0", "peer": "sw01",
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"peer_port": 1, "speed_gbps": 1}]),
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]
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out = gen_rack.render_network("rack01", items)
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assert "```mermaid" in out
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assert "flowchart LR" in out
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assert "sw01<br/>switch" in out
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assert "mf00" in out
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assert "eth0" in out
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assert "p1" in out
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assert "1G" in out
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||
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
|