def test_cable_lengths_property():
export = ExportSystemDesign(config)
export.run()
cable_name = export.cable.name
assert (export.cable_lengths_by_type[cable_name] == export.length
).sum() == export.num_cables
def test_total_cable_len_property():
export = ExportSystemDesign(config)
export.run()
cable_name = export.cable.name
assert export.total_cable_length_by_type[cable_name] == pytest.approx(
export.total_length, abs=1e-10)
def test_cable_mass():
export = ExportSystemDesign(config)
export.run()
length = (0.02 + 3 + 30) * 1.01
mass = length * export.cable.linear_density
assert export.mass == mass
def test_cables_property():
export = ExportSystemDesign(config)
export.run()
assert (
export.sections_cables == export.cable.name
).sum() == export.num_cables
def test_total_cable():
export = ExportSystemDesign(config)
export.run()
length = 0.02 + 3 + 30
length += length * 0.01
mass = length * export.cable.linear_density
assert export.total_mass == pytest.approx(mass * 11, abs=1e-10)
assert export.total_length == pytest.approx(length * 11, abs=1e-10)
def test_design_result():
export = ExportSystemDesign(config)
export.run()
_ = export.cable.name
cables = export.design_result["export_system"]["cable"]
assert cables["sections"] == [export.length]
assert cables["number"] == 11
assert cables["linear_density"] == export.cable.linear_density
def test_export_system_creation():
export = ExportSystemDesign(config)
export.run()
assert export.num_cables
assert export.length
assert export.mass
assert export.cable
assert export.total_length
assert export.total_mass
def test_floating_length_calculations():
base = deepcopy(config)
base["site"]["depth"] = 250
base["export_system_design"]["touchdown_distance"] = 0
sim = ExportSystemDesign(base)
sim.run()
base_length = sim.total_length
with_cat = deepcopy(config)
with_cat["site"]["depth"] = 250
new = ExportSystemDesign(with_cat)
new.run()
assert new.total_length < base_length
def test_cable_length():
export = ExportSystemDesign(config)
export.run()
length = (0.02 + 3 + 30) * 1.01
assert export.length == length
def test_number_cables():
export = ExportSystemDesign(config)
export.run()
assert export.num_cables == 11