def test_equality():
"""Test that equality checks both bounds and units."""
value1 = UniformReal(0, 1, '')
value2 = UniformReal(0, 1, 'cm')
value3 = UniformReal(0, 2, '')
assert value1 == value1
assert value1 != value2
assert value1 != value3
assert value1 != 0.5
def test_simple_deserialization(valid_data):
"""Ensure that a deserialized Process Spec looks sane."""
process_spec: ProcessSpec = ProcessSpec.build(valid_data)
assert process_spec.uids == {'id': valid_data['uids']['id']}
assert process_spec.tags == ['baking::cakes', 'danger::low']
assert process_spec.parameters[0] == Parameter(name='oven temp',
value=UniformReal(
195, 205, ''),
origin='specified')
assert process_spec.conditions == []
assert process_spec.template == \
ProcessTemplate('the template', uids={'id': valid_data['template']['uids']['id']},
parameters=[
[ParameterTemplate('oven temp template',
bounds=RealBounds(175, 225, ''),
uids={'id': valid_data['template']['parameters'][0][0]['uids']['id']}),
RealBounds(175, 225, '')]
],
description='a long description',
allowed_labels=['a', 'b'],
allowed_names=['a name'])
assert process_spec.name == 'Process 1'
assert process_spec.notes == 'make sure to use oven mitts'
assert process_spec.file_links == [
FileLink('cake_recipe.txt', 'www.baking.com')
]
assert process_spec.typ == 'process_spec'
assert process_spec.audit_info == AuditInfo(**valid_data['audit_info'])
def test_access_data():
"""Demonstrate and test access patterns within the data island."""
binders = {
"Polyethylene Glycol 100M": 0.02,
"Sodium lignosulfonate": 0.004,
"Polyvinyl Acetate": 0.0001
}
powders = {"Al2O3": 0.96}
island = make_data_island(density=1.0,
bulk_modulus=300.0,
firing_temperature=750.0,
binders=binders,
powders=powders,
tag="Me")
# read the density value
assert (island.measurements[0].properties[0].value == NominalReal(1.0, ''))
# read the bulk modulus value
assert (island.measurements[0].properties[1].value == NormalReal(
300.0, 3.0, ''))
# read the firing temperature
assert (island.process.conditions[0].value == UniformReal(
749.5, 750.5, 'degC'))
assert (island.process.parameters[0].value == DiscreteCategorical(
{"hot": 1.0}))
# read the quantity of alumina
quantities = island.process.ingredients[0].material.process.conditions[
0].value.quantities
assert (list(keyfilter(lambda x: x == "Al2O3",
quantities).values())[0] == 0.96)
# check that the serialization results in the correct number of objects in the preface
# (note that neither measurements nor ingredients are serialized)
assert (len(json.loads(dumps(island))["context"]) == 26)
def test_simple_deserialization(valid_data):
"""Ensure that a deserialized Process Run looks sane."""
process_run: ProcessRun = ProcessRun.build(valid_data)
assert process_run.uids == {
'id': valid_data['uids']['id'],
'my_id': 'process1-v1'
}
assert process_run.tags == ['baking::cakes', 'danger::low']
assert process_run.conditions[0] == Condition(name='oven temp',
value=NominalReal(203.0, ''),
origin='measured')
assert process_run.parameters == []
assert process_run.file_links == []
assert process_run.template is None
assert process_run.output_material is None
assert process_run.spec == \
ProcessSpec(name="Spec for proc 1",
uids={'id': valid_data['spec']['uids']['id']},
conditions=[Condition(name='oven temp', value=UniformReal(175, 225, ''),
origin='specified')]
)
assert process_run.name == 'Process 1'
assert process_run.notes == 'make sure to use oven mitts'
assert process_run.typ == 'process_run'
def make_data_island(density,
bulk_modulus,
firing_temperature,
binders,
powders,
tag=None):
"""Helper function to create a relatively involved data island."""
binder_specs = keymap(lambda x: MaterialSpec(name=x), binders)
powder_specs = keymap(lambda x: MaterialSpec(name=x), powders)
binder_runs = keymap(lambda x: MaterialRun(name=x.name, spec=x),
binder_specs)
powder_runs = keymap(lambda x: MaterialRun(name=x.name, spec=x),
powder_specs)
all_input_materials = keymap(lambda x: x.spec.name,
merge(binder_runs, powder_runs))
mixing_composition = Condition(
name="composition", value=NominalComposition(all_input_materials))
mixing_process = ProcessRun(name="Mixing",
tags=["mixing"],
conditions=[mixing_composition])
binder_ingredients = []
for run in binder_runs:
binder_ingredients.append(
IngredientRun(
material=run,
process=mixing_process,
mass_fraction=NominalReal(binders[run.spec.name], ''),
))
powder_ingredients = []
for run in powder_runs:
powder_ingredients.append(
IngredientRun(
material=run,
process=mixing_process,
mass_fraction=NominalReal(powders[run.spec.name], ''),
))
green_sample = MaterialRun("Green", process=mixing_process)
measured_firing_temperature = Condition(
name="Firing Temperature",
value=UniformReal(firing_temperature - 0.5, firing_temperature + 0.5,
'degC'),
template=firing_temperature_template)
specified_firing_setting = Parameter(name="Firing setting",
value=DiscreteCategorical("hot"))
firing_spec = ProcessSpec("Firing", template=firing_template)
firing_process = ProcessRun(name=firing_spec.name,
conditions=[measured_firing_temperature],
parameters=[specified_firing_setting],
spec=firing_spec)
IngredientRun(material=green_sample,
process=firing_process,
mass_fraction=NormalReal(1.0, 0.0, ''),
volume_fraction=NormalReal(1.0, 0.0, ''),
number_fraction=NormalReal(1.0, 0.0, ''))
measured_density = Property(name="Density",
value=NominalReal(density, ''),
template=density_template)
measured_modulus = Property(name="Bulk modulus",
value=NormalReal(bulk_modulus,
bulk_modulus / 100.0, ''))
measurement_spec = MeasurementSpec("Mechanical Properties",
template=measurement_template)
measurement = MeasurementRun(
measurement_spec.name,
properties=[measured_density, measured_modulus],
spec=measurement_spec)
tags = [tag] if tag else []
material_spec = MaterialSpec("Coupon", template=material_template)
material_run = MaterialRun(material_spec.name,
process=firing_process,
tags=tags,
spec=material_spec)
measurement.material = material_run
return material_run
def test_invalid_bounds():
"""Test that invalid bounds throw the appropriate error."""
with pytest.raises(ValueError):
SampleAttributeTemplate(name="name") # Must have a bounds
with pytest.raises(TypeError):
SampleAttributeTemplate(name="name", bounds=UniformReal(0, 1, ''))
def test_bounds_order():
"""Lower bound must be <= upper bound."""
UniformReal(4.4, 8.8, 'm')
UniformReal(100.0, 100.0, 'm')
with pytest.raises(AssertionError):
UniformReal(23.2, 18.9, 'm')
def test_contains():
"""Test that bounds know if a Value is contained within it."""
bounds = RealBounds(1, 3, 'm')
assert bounds.contains(UniformReal(100, 200, 'cm')._to_bounds())
assert not bounds.contains(UniformReal(3, 5, 'm')._to_bounds())
assert not bounds.contains(UniformReal(1, 3, '')._to_bounds())
def test_invalid_instance():
"""Calling make_instance on a non-spec should throw a TypeError."""
not_specs = [MeasurementRun("meas"), Condition("cond"), UniformReal(0, 1, ''), 'foo', 10]
for not_spec in not_specs:
with pytest.raises(TypeError):
make_instance(not_spec)
assert frying.ingredients == []
oil.process = frying
assert oil.process == frying
assert boiling.ingredients == [potatoes]
assert frying.ingredients == [oil]
potatoes.process = frying
assert potatoes.process == frying
assert boiling.ingredients == []
assert set(frying.ingredients) == {oil, potatoes}
VALID_QUANTITIES = [
NominalReal(14.0, ''),
UniformReal(0.5, 0.6, 'm'),
NormalReal(-0.3, 0.6, "kg")
]
INVALID_QUANTITIES = [
NominalCategorical("blue"),
NominalInteger(5),
EmpiricalFormula("CH4"), 0.33, "0.5"
]
@pytest.mark.parametrize("valid_quantity", VALID_QUANTITIES)
def test_valid_quantities(valid_quantity):
"""
Check that all quantities must be continuous values.