def test_configset_getitem():
"""
Verify that a parameter set and a covering array with
no "don't care" values present is correctly converted
to a data frame with the correct column headings and
value names.
"""
p1 = Parameter("Colour", [RED, GREEN, BLUE])
p2 = Parameter("Pet", [BIRD, CAT, DOG])
p3 = Parameter("Speed", [FAST, MEDIUM, SLOW])
p4 = Parameter("Music", [SEVENTIES, EIGHTIES, TWENTIES])
parameter_set = ParameterSet([p1, p2, p3, p4])
# Covering array from...
# generator = RecursiveGenerator(parameter_set, 2)
# covering_array = generator.generate_covering_array()
covering_array = np.array([[1, 1, 1, 1], [1, 2, 2, 2], [1, 3, 3, 3],
[2, 1, 2, 3], [2, 2, 3, 1], [2, 3, 1, 2],
[3, 1, 3, 2], [3, 2, 1, 3], [3, 3, 2, 1]])
configurations = ConfigurationSet(parameter_set=parameter_set,
covering_array=covering_array)
expected = pd.Series({
"Colour": GREEN,
"Pet": BIRD,
"Speed": MEDIUM,
"Music": TWENTIES,
})
actual = configurations[3]
assert pd.Series.equals(actual, expected)
def test_pop_index():
p = Parameter("Z", [VAL_1, VAL_2, VAL_3, VAL_4])
popped_val = p.pop(2)
assert popped_val == VAL_3
assert p.values == [VAL_1, VAL_2, VAL_4]
def test_series():
p = Parameter("Z", [VAL_1, VAL_2])
s = p.to_series()
assert s.name == "Z"
assert s.to_dict() == {0: VAL_1, 1: VAL_2}
def test_dataframe_to_covering_array():
p1 = Parameter("Colour", [RED, GREEN])
p2 = Parameter("Pet", [BIRD, CAT, DOG, FISH])
p3 = Parameter("Speed", [FAST, SLOW])
p4 = Parameter("Music", [EIGHTIES, TWENTIES])
parameter_set = ParameterSet([p1, p2, p3, p4])
dataframe = pd.DataFrame([
[RED, BIRD, FAST, EIGHTIES],
[RED, CAT, SLOW, EIGHTIES],
[GREEN, BIRD, SLOW, EIGHTIES],
[GREEN, CAT, FAST, pd.NA],
[GREEN, CAT, SLOW, TWENTIES],
[RED, BIRD, FAST, TWENTIES],
[RED, DOG, FAST, EIGHTIES],
[GREEN, DOG, SLOW, TWENTIES],
[RED, FISH, FAST, EIGHTIES],
[GREEN, FISH, SLOW, TWENTIES],
],
columns=["Colour", "Pet", "Speed", "Music"])
covering_array = ConfigurationSet.dataframe_to_covering_array(
dataframe, parameter_set)
expected = np.array(
[[1, 1, 1, 1], [1, 2, 2, 1], [2, 1, 2, 1], [2, 2, 1, 0], [2, 2, 2, 2],
[1, 1, 1, 2], [1, 3, 1, 1], [2, 3, 2, 2], [1, 4, 1, 1], [2, 4, 2, 2]],
dtype=DEFAULT_NDARRAY_TYPE)
assert np.array_equal(covering_array, expected)
def test_equals():
"""
Verify that a parameter set and a covering array that
contains a "don't care" value is correctly converted
to a data frame, where the "don't care" value becomes
Pandas' pd.NA value.
"""
p1 = Parameter("Colour", [RED, GREEN])
p2 = Parameter("Pet", [BIRD, CAT, DOG, FISH])
p3 = Parameter("Speed", [FAST, SLOW])
p4 = Parameter("Music", [EIGHTIES, TWENTIES])
parameter_set = ParameterSet([p1, p2, p3, p4])
# Covering array from...
# generator = RecursiveGenerator(parameter_set, 2)
# covering_array = generator.generate_covering_array()
covering_array = np.array([[1, 1, 1, 1], [1, 2, 2, 1], [2, 1, 2, 1],
[2, 2, 1, 0], [2, 2, 2, 2], [1, 1, 1, 2],
[1, 3, 1, 1], [2, 3, 2, 2], [1, 4, 1, 1],
[2, 4, 2, 2]])
# configs1 = ConfigurationSet(parameter_set, covering_array)
# configs2 = ConfigurationSet(parameter_set, covering_array)
configs1 = ConfigurationSet(parameter_set=parameter_set,
covering_array=covering_array)
configs2 = ConfigurationSet(parameter_set=parameter_set,
covering_array=covering_array)
assert configs1 is not configs2
assert configs1 == configs2
def test_clear():
p = Parameter("Z", [VAL_1, VAL_2, VAL_3, VAL_4])
p.clear()
assert p.name == "Z"
assert p.values == []
def test_dict_round_trip():
p_orig = Parameter("Z", [VAL_1, VAL_2, VAL_3, VAL_4],
uid="337f7234-85a1-45a0-be77-0934ec232f21")
parameter_dict = p_orig.to_dict()
p_new = Parameter.from_dict(parameter_dict)
assert p_new == p_orig
def test_set_name():
p = Parameter("Z", [VAL_1, VAL_2, VAL_3, VAL_4])
p.name = "X"
p_expected = Parameter("X", [VAL_1, VAL_2, VAL_3, VAL_4], uid=p.uid)
assert p == p_expected
def test_create_different_size_parms():
p1 = Parameter.create_with_unnamed_values("1", 4)
p2 = Parameter.create_with_unnamed_values("2", 5)
p3 = Parameter.create_with_unnamed_values("3", 3)
plist = [p1, p2, p3]
ps = ParameterSet(plist)
assert ps.parameters == plist
def test_to_dict():
p = Parameter("Z", [VAL_1, VAL_2, VAL_3, VAL_4],
uid="337f7234-85a1-45a0-be77-0934ec232f21")
expected = {
"name": "Z",
"uid": "337f7234-85a1-45a0-be77-0934ec232f21",
"values": [v.to_dict() for v in [VAL_1, VAL_2, VAL_3, VAL_4]],
}
assert p.to_dict() == expected
def test_init_two_parms():
p1 = Parameter.create_with_unnamed_values("P1", 2)
p2 = Parameter.create_with_unnamed_values("P2", 3)
plist = [p1, p2]
ps = ParameterSet(plist)
assert len(ps.parameters) == 2
assert ps.parameters == plist
assert ps.parameters is not plist # copy, not reference
def test_init_three_parms():
p1 = Parameter.create_with_unnamed_values("P1", 4)
p2 = Parameter.create_with_unnamed_values("P2", 6)
p3 = Parameter.create_with_unnamed_values("P3", 2)
plist = [p1, p2, p3]
ps = ParameterSet(plist)
assert len(ps.parameters) == 3
assert ps.parameters == plist
assert ps.parameters is not plist # copy, not reference
def test_create_same_size_parms():
ps = ParameterSet.create_from_parm_and_value_sizes(3, 4)
p1 = Parameter.create_with_unnamed_values("1", 4)
p2 = Parameter.create_with_unnamed_values("2", 4)
p3 = Parameter.create_with_unnamed_values("3", 4)
plist = [p1, p2, p3]
ps_expected = ParameterSet(plist)
assert all(
pactual.name == pexpected.name
for pactual, pexpected in zip(ps.parameters, ps_expected.parameters))
assert all(
len(pactual) == len(pexpected)
for pactual, pexpected in zip(ps.parameters, ps_expected.parameters))
def test_init_name_values():
plist = [VAL_1, VAL_2]
p = Parameter("Z", plist)
assert p.name == "Z"
assert p.values == plist
def test_init_name_list_str():
p = Parameter("Z", ["A", "B"])
assert p.name == "Z"
v1 = Value("A", uid=p.values[0].uid)
v2 = Value("B", uid=p.values[1].uid)
assert p.values == [v1, v2]
def test_iter():
p = Parameter("Z", [VAL_1, VAL_2, VAL_3, VAL_4])
result = []
for value in p:
result.append(value)
assert result == [VAL_1, VAL_2, VAL_3, VAL_4]
def test_configset_iterate():
"""
Verify that a parameter set and a covering array with
no "don't care" values present is correctly converted
to a data frame with the correct column headings and
value names.
"""
p1 = Parameter("Colour", [RED, GREEN])
p2 = Parameter("Pet", [CAT, DOG])
p3 = Parameter("Speed", [FAST, SLOW])
parameter_set = ParameterSet([p1, p2, p3])
# Covering array from...
# generator = RecursiveGenerator(parameter_set, 2)
# covering_array = generator.generate_covering_array()
covering_array = np.array([[1, 1, 1], [1, 2, 2], [2, 1, 2], [2, 2, 1]])
configurations = ConfigurationSet(parameter_set=parameter_set,
covering_array=covering_array)
expected = [
pd.Series({
"Colour": RED,
"Pet": CAT,
"Speed": FAST,
}),
pd.Series({
"Colour": RED,
"Pet": DOG,
"Speed": SLOW,
}),
pd.Series({
"Colour": GREEN,
"Pet": CAT,
"Speed": SLOW,
}),
pd.Series({
"Colour": GREEN,
"Pet": DOG,
"Speed": FAST,
})
]
for index, actual in enumerate(configurations):
assert pd.Series.equals(actual, expected[index])
def test_from_dict():
p_dict = {
"name": "Z",
"uid": "337f7234-85a1-45a0-be77-0934ec232f21",
"values": [v.to_dict() for v in [VAL_1, VAL_2, VAL_3, VAL_4]]
}
p = Parameter.from_dict(p_dict)
assert p.name == "Z"
assert str(p.uid) == "337f7234-85a1-45a0-be77-0934ec232f21"
assert p.values == [VAL_1, VAL_2, VAL_3, VAL_4]
def test_init_one_parm():
p = Parameter.create_with_unnamed_values('Z', 4)
plist = [
p,
]
ps = ParameterSet(plist)
assert ps.parameters == plist
assert ps.parameters is not plist # copy, not reference
def test_generate_configurations_with_dont_care():
"""
Verify that a parameter set and a covering array that
contains a "don't care" value is correctly converted
to a data frame, where the "don't care" value becomes
Pandas' pd.NA value.
"""
p1 = Parameter("Colour", [RED, GREEN])
p2 = Parameter("Pet", [BIRD, CAT, DOG, FISH])
p3 = Parameter("Speed", [FAST, SLOW])
p4 = Parameter("Music", [EIGHTIES, TWENTIES])
parameter_set = ParameterSet([p1, p2, p3, p4])
# Covering array from...
# generator = RecursiveGenerator(parameter_set, 2)
# covering_array = generator.generate_covering_array()
covering_array = np.array([[1, 1, 1, 1], [1, 2, 2, 1], [2, 1, 2, 1],
[2, 2, 1, 0], [2, 2, 2, 2], [1, 1, 1, 2],
[1, 3, 1, 1], [2, 3, 2, 2], [1, 4, 1, 1],
[2, 4, 2, 2]])
configurations = ConfigurationSet(parameter_set=parameter_set,
covering_array=covering_array)
actual_configurations = configurations.configs
expected_configurations = pd.DataFrame(
[
[RED, BIRD, FAST, EIGHTIES],
[RED, CAT, SLOW, EIGHTIES],
[GREEN, BIRD, SLOW, EIGHTIES],
[GREEN, CAT, FAST, pd.NA],
[GREEN, CAT, SLOW, TWENTIES],
[RED, BIRD, FAST, TWENTIES],
[RED, DOG, FAST, EIGHTIES],
[GREEN, DOG, SLOW, TWENTIES],
[RED, FISH, FAST, EIGHTIES],
[GREEN, FISH, SLOW, TWENTIES],
],
columns=["Colour", "Pet", "Speed", "Music"])
assert actual_configurations.equals(expected_configurations)
def test_create_with_values():
p = Parameter.create_with_unnamed_values("Z", 4)
assert p.name == "Z"
v1 = Value("1", uid=p.values[0].uid)
v2 = Value("2", uid=p.values[1].uid)
v3 = Value("3", uid=p.values[2].uid)
v4 = Value("4", uid=p.values[3].uid)
assert p.values == [v1, v2, v3, v4]
def test_to_dict():
p1 = Parameter("Colour", [RED, GREEN])
p2 = Parameter("Pet", [CAT, DOG])
p3 = Parameter("Speed", [FAST, SLOW])
parameter_set = ParameterSet([p1, p2, p3])
# Covering array from...
# generator = RecursiveGenerator(parameter_set, 2)
# covering_array = generator.generate_covering_array()
covering_array = np.array([[1, 1, 1], [1, 2, 2], [2, 1, 2], [2, 2, 1]])
configurations = ConfigurationSet(parameter_set=parameter_set,
covering_array=covering_array)
expected = {
"configurations": [
{
"Colour": "Red",
"Pet": "Cat",
"Speed": "Fast"
},
{
"Colour": "Red",
"Pet": "Dog",
"Speed": "Slow"
},
{
"Colour": "Green",
"Pet": "Cat",
"Speed": "Slow"
},
{
"Colour": "Green",
"Pet": "Dog",
"Speed": "Fast"
},
]
}
actual = configurations.to_dict()
assert actual == expected
def test_generate_configurations():
"""
Verify that a parameter set and a covering array with
no "don't care" values present is correctly converted
to a data frame with the correct column headings and
value names.
"""
p1 = Parameter("Colour", [RED, GREEN, BLUE])
p2 = Parameter("Pet", [BIRD, CAT, DOG])
p3 = Parameter("Speed", [FAST, MEDIUM, SLOW])
p4 = Parameter("Music", [SEVENTIES, EIGHTIES, TWENTIES])
parameter_set = ParameterSet([p1, p2, p3, p4])
# Covering array from...
# generator = RecursiveGenerator(parameter_set, 2)
# covering_array = generator.generate_covering_array()
covering_array = np.array([[1, 1, 1, 1], [1, 2, 2, 2], [1, 3, 3, 3],
[2, 1, 2, 3], [2, 2, 3, 1], [2, 3, 1, 2],
[3, 1, 3, 2], [3, 2, 1, 3], [3, 3, 2, 1]])
configurations = ConfigurationSet(parameter_set=parameter_set,
covering_array=covering_array)
actual_configurations = configurations.configs
expected_configurations = pd.DataFrame(
[
[RED, BIRD, FAST, SEVENTIES],
[RED, CAT, MEDIUM, EIGHTIES],
[RED, DOG, SLOW, TWENTIES],
[GREEN, BIRD, MEDIUM, TWENTIES],
[GREEN, CAT, SLOW, SEVENTIES],
[GREEN, DOG, FAST, EIGHTIES],
[BLUE, BIRD, SLOW, EIGHTIES],
[BLUE, CAT, FAST, TWENTIES],
[BLUE, DOG, MEDIUM, SEVENTIES],
],
columns=["Colour", "Pet", "Speed", "Music"])
assert actual_configurations.equals(expected_configurations)
def pet(orm, bird, cat, dog):
return Parameter("Pet", values=[bird, cat, dog])
def colour(orm, red, green, blue):
return Parameter("Colour", values=[red, green, blue])
def parm_2():
return Parameter.create_with_unnamed_values("2", 3)
def parm_d(d1, d2, d3, d4):
return Parameter("D", [d1, d2, d3, d4])
def speed(orm, fast, medium, slow):
return Parameter("Speed", values=[fast, medium, slow])
def music(orm, seventies, eighties, twenties):
return Parameter("Music", values=[seventies, eighties, twenties])
def parm_e(a1, e1, e2):
return Parameter("E", [e1, e2])