def test_bad_add(test_data):
item1 = XPadDataItem(test_data)
item2 = XPadDataItem(test_data)
item2.dim = [XPadDataDim()]
# This won't work due to different dimensions
with pytest.raises(ValueError):
item3 = item1 + item2
def test_init_no_dims(test_data):
# Removing the dimensions should still let us construct an XPadDataItem
test_data.pop("dim")
item = XPadDataItem(test_data)
assert np.all(item.data == test_data["data"])
assert item.name == test_data["name"]
assert np.all(item.dim == XPadDataItem().dim)
def test_inplace_subtract(test_data):
item1 = XPadDataItem(test_data)
item2 = XPadDataItem(test_data)
item1 -= item2
assert np.all(item1.data == np.zeros(len(test_data["data"])))
assert "test data - test data" in str(item1)
assert np.all(item1.errl == np.hypot(test_data["errl"], test_data["errh"]))
assert np.all(item1.errh == np.hypot(test_data["errh"], test_data["errl"]))
def test_inplace_add(test_data):
item1 = XPadDataItem(test_data)
item2 = XPadDataItem(test_data)
item1 += item2
assert np.all(item1.data == test_data["data"] * 2)
assert "test data + test data" in str(item1)
assert np.all(item1.errl == np.hypot(test_data["errl"], test_data["errl"]))
assert np.all(item1.errh == np.hypot(test_data["errh"], test_data["errh"]))
def test_inplace_multiply(test_data):
item1 = XPadDataItem(test_data)
item2 = XPadDataItem(test_data)
item1 *= item2
assert np.all(item1.data == test_data["data"]**2)
assert "test data * test data" in str(item1)
data_times_errl = test_data["data"] * test_data["errl"]
data_times_errh = test_data["data"] * test_data["errh"]
assert np.all(item1.errl == np.hypot(data_times_errl, data_times_errl))
assert np.all(item1.errh == np.hypot(data_times_errh, data_times_errh))
def test_inplace_divide(test_data):
item1 = XPadDataItem(test_data)
item2 = XPadDataItem(test_data)
item1 /= item2
assert np.all(item1.data == np.ones(len(test_data["data"])))
assert "test data / test data" in str(item1)
data = test_data["data"]
errl = test_data["errl"]
errh = test_data["errh"]
assert np.all(item1.errl == np.hypot(errl / data, data * errh / data**2))
assert np.all(item1.errh == np.hypot(errh / data, data * errl / data**2))
def test_init_from_other(test_data):
# Easy way to create an other object that doesn't have all the fields
item1 = XPadDataItem(test_data)
del item1.errl
del item1.order
del item1.time
item2 = XPadDataItem(item1)
assert np.all(item2.data == test_data["data"])
assert item2.name == test_data["name"]
assert np.all(item2.dim == test_data["dim"])
assert str(test_data["dim"][0]) in str(item2)
def test_right_multiply(test_data):
item1 = XPadDataItem(test_data)
item2 = 3.3 * item1
assert np.all(item2.data == 3.3 * test_data["data"])
assert "test data * 3.3" in str(item2)
def test_right_subtract(test_data):
item1 = XPadDataItem(test_data)
item2 = 2.2 - item1
assert np.all(item2.data == 2.2 - test_data["data"])
assert "2.2 - test data" in str(item2)
def test_chop(test_data):
item = XPadDataItem(test_data)
result = user_functions.chop(item, 1.5, 2.5)
assert len(result.data) == 1
assert result.data == test_data["data"][1]
def test_right_divide(test_data):
item1 = XPadDataItem(test_data)
item2 = 4.4 / item1
assert np.all(item2.data == 4.4 / test_data["data"])
assert "4.4 / test data" in str(item2)
def test_right_add(test_data):
item1 = XPadDataItem(test_data)
item2 = 1.0 + item1
assert np.all(item2.data == test_data["data"] + 1.0)
assert "test data + 1." in str(item2)
def test_clip(test_data):
item = XPadDataItem(test_data)
result = user_functions.clip(item, 0.0, 5.5)
assert min(result.data) == 5.0
assert max(result.data) == 5.0
assert result.dim[0].data == [2.0]
def test_bad_clip(test_data):
item = XPadDataItem(test_data)
with pytest.raises(ValueError):
user_functions.clip(item, 3.0, 0.0)
with pytest.raises(ValueError):
user_functions.clip(item, 3.0, 3.0)
def test_invert(test_data):
item = XPadDataItem(test_data)
invert_item = user_functions.invert(item)
np_invert = -test_data["data"]
assert "-test data" in str(invert_item)
assert np.allclose(invert_item.data, np_invert, equal_nan=True)
def test_init_from_dict(test_data):
item = XPadDataItem(test_data)
assert np.all(item.data == test_data["data"])
assert item.name == test_data["name"]
assert np.all(item.dim == test_data["dim"])
assert str(test_data["dim"][0]) in str(item)
def test_time_offset(test_data, qtbot, monkeypatch):
item = XPadDataItem(test_data)
offset = 1.1
monkeypatch.setattr(QInputDialog, "getDouble", lambda *args: (offset, True))
result = user_functions.timeOffset(item)
assert np.allclose(result.dim[0].data, test_data["dim"][0].data + offset)
def test_absolute(test_data):
item1 = XPadDataItem(test_data)
item2 = abs(item1)
assert np.all(item2.data == abs(test_data["data"]))
assert "abs(test data)" in str(item2)
assert np.all(item2.errl == np.zeros(len(test_data["errl"])))
assert np.all(item2.errh == test_data["errl"])
def test_unary_positive(test_data):
item1 = XPadDataItem(test_data)
item2 = +item1
assert np.all(item2.data == test_data["data"])
assert "test data" in str(item2)
assert np.all(item2.errl == test_data["errl"])
assert np.all(item2.errh == test_data["errh"])
def test_unary_negation(test_data):
item1 = XPadDataItem(test_data)
item2 = -item1
assert np.all(item2.data == -test_data["data"])
assert "-test data" in str(item2)
assert np.all(item2.errh == test_data["errl"])
assert np.all(item2.errl == test_data["errh"])
def test_add_constant(test_data, qtbot, monkeypatch):
item = XPadDataItem(test_data)
constant = 3.14
monkeypatch.setattr(QInputDialog, "getDouble", lambda *args: (constant, True))
result = user_functions.addcon(item)
assert f"test data + {constant}" in str(result)
assert np.allclose(result.data, test_data["data"] + constant)
def test_reciprocal(test_data):
item = XPadDataItem(test_data)
reciprocal_item = user_functions.reciprocal(item)
np_reciprocal = np.reciprocal(test_data["data"])
assert "recip(test data)" in str(reciprocal_item)
assert chr(0x207B) + chr(0x00B9) in reciprocal_item.units
assert np.allclose(reciprocal_item.data, np_reciprocal, equal_nan=True)
def test_integrate(test_data):
x = np.linspace(0.0, 1.0)
test_data["dim"] = [XPadDataDim({"data": x})]
test_data["data"] = x
item = XPadDataItem(test_data)
result = calculus.integrate(item)
assert np.allclose(result.data, 0.5 * (x**2))
def test_normalise(test_data):
test_data["data"] = 4.0 * np.ones((4))
test_data["dim"] = [XPadDataDim({"data": np.linspace(0.0, 1.0, 4)})]
item = XPadDataItem(test_data)
norm_item = user_functions.normalise(item)
np_norm = np.ones((4))
assert "Norm(test data)" in str(norm_item)
assert np.allclose(norm_item.data, np_norm)
def test_differentiate(test_data):
x = np.linspace(0.0, 2.0 * np.pi, 128)
test_data["dim"] = [XPadDataDim({"data": x})]
test_data["data"] = np.sin(x)
item = XPadDataItem(test_data)
result = calculus.differentiate(item)
assert np.allclose(result.data[1:-1], np.cos(x[1:-1]), 1e-2)
def test_change_units(test_data, qtbot, monkeypatch):
item = XPadDataItem(test_data)
unit_factor = 2.0
new_unit_name = "new unit"
monkeypatch.setattr(QInputDialog, "getDouble", lambda *args: (unit_factor, True))
monkeypatch.setattr(QInputDialog, "getText", lambda *args: (new_unit_name, True))
result = user_functions.changeunits(item)
assert np.allclose(result.data, test_data["data"] * unit_factor)
assert f"test data({new_unit_name})" in str(result)
def test_xpadfunction(test_data):
def identity(data):
return data
identity_func = user_functions.XPadFunction(identity, name="identity")
item = XPadDataItem(test_data)
identity_item = identity_func(item)
assert np.all(item.data == identity_item.data)
assert np.all(item.dim == identity_item.dim)
assert "identity(test data)" in str(identity_item)
def test_bad_chop(test_data):
item = XPadDataItem(test_data)
with pytest.raises(ValueError):
user_functions.chop(item, 2.5, 1.5)
with pytest.raises(ValueError):
user_functions.chop(item, 3.5, 4.5)
with pytest.raises(ValueError):
user_functions.chop(item, 0.5, 0.75)
with pytest.raises(ValueError):
user_functions.chop(item, 1.5, 1.75)
def get(name: str, shot: Union[int, str]):
if name == "lastshot":
child = MockSignalData()
child.lastshot = int(MOCK_LAST_SHOT)
signal = MockSignalData()
signal.children = [child]
return signal
if name.startswith("meta::list"):
signal = MockSignalData()
shot_data = MOCK_SHOTS[str(shot).strip()]
signal.signal_name = [item[0] for item in shot_data]
signal.description = [item[1] for item in shot_data]
return {"data": signal}
x = np.linspace(0.0, 1.0)
dim = XPadDataDim({"name": "time", "data": x})
data = XPadDataItem({"name": name, "data": np.sin(x), "dim": [dim]})
return data
def test_basic_arithmetic_functions(test_data, func):
item = XPadDataItem(test_data)
func_names = {
"absolute": "abs",
"exponential": "exp",
"nlog": "log",
}
func_name = func_names.get(func, func)
with warnings.catch_warnings():
warnings.simplefilter("ignore")
user_func = getattr(user_functions, func)
func_item = user_func(item)
np_func = getattr(np, func_name)
np_data = np_func(test_data["data"])
assert f"{func_name}(test data)" in str(func_item)
assert np.allclose(func_item.data, np_data, equal_nan=True)