mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-12-04 12:38:19 +01:00
69 lines
2 KiB
Python
69 lines
2 KiB
Python
|
import numpy as np
|
||
|
|
import pytest
|
||
|
|
|
||
|
|
from pandas.errors import UnsupportedFunctionCall
|
||
|
|
import pandas.util._test_decorators as td
|
||
|
|
|
||
|
|
import pandas as pd
|
||
|
|
from pandas import Series
|
||
|
|
from pandas.core.window import Window
|
||
|
|
|
||
|
|
|
||
|
|
@td.skip_if_no_scipy
|
||
|
|
def test_constructor(which):
|
||
|
|
# GH 12669
|
||
|
|
c = which.rolling
|
||
|
|
|
||
|
|
# valid
|
||
|
|
c(win_type="boxcar", window=2, min_periods=1)
|
||
|
|
c(win_type="boxcar", window=2, min_periods=1, center=True)
|
||
|
|
c(win_type="boxcar", window=2, min_periods=1, center=False)
|
||
|
|
|
||
|
|
# not valid
|
||
|
|
for w in [2.0, "foo", np.array([2])]:
|
||
|
|
with pytest.raises(ValueError, match="min_periods must be an integer"):
|
||
|
|
c(win_type="boxcar", window=2, min_periods=w)
|
||
|
|
with pytest.raises(ValueError, match="center must be a boolean"):
|
||
|
|
c(win_type="boxcar", window=2, min_periods=1, center=w)
|
||
|
|
|
||
|
|
for wt in ["foobar", 1]:
|
||
|
|
with pytest.raises(ValueError, match="Invalid win_type"):
|
||
|
|
c(win_type=wt, window=2)
|
||
|
|
|
||
|
|
|
||
|
|
@td.skip_if_no_scipy
|
||
|
|
def test_constructor_with_win_type(which, win_types):
|
||
|
|
# GH 12669
|
||
|
|
c = which.rolling
|
||
|
|
c(win_type=win_types, window=2)
|
||
|
|
|
||
|
|
|
||
|
|
@pytest.mark.parametrize("method", ["sum", "mean"])
|
||
|
|
def test_numpy_compat(method):
|
||
|
|
# see gh-12811
|
||
|
|
w = Window(Series([2, 4, 6]), window=[0, 2])
|
||
|
|
|
||
|
|
msg = "numpy operations are not valid with window objects"
|
||
|
|
|
||
|
|
with pytest.raises(UnsupportedFunctionCall, match=msg):
|
||
|
|
getattr(w, method)(1, 2, 3)
|
||
|
|
with pytest.raises(UnsupportedFunctionCall, match=msg):
|
||
|
|
getattr(w, method)(dtype=np.float64)
|
||
|
|
|
||
|
|
|
||
|
|
@td.skip_if_no_scipy
|
||
|
|
@pytest.mark.parametrize("arg", ["median", "kurt", "skew"])
|
||
|
|
def test_agg_function_support(arg):
|
||
|
|
df = pd.DataFrame({"A": np.arange(5)})
|
||
|
|
roll = df.rolling(2, win_type="triang")
|
||
|
|
|
||
|
|
msg = f"'{arg}' is not a valid function for 'Window' object"
|
||
|
|
with pytest.raises(AttributeError, match=msg):
|
||
|
|
roll.agg(arg)
|
||
|
|
|
||
|
|
with pytest.raises(AttributeError, match=msg):
|
||
|
|
roll.agg([arg])
|
||
|
|
|
||
|
|
with pytest.raises(AttributeError, match=msg):
|
||
|
|
roll.agg({"A": arg})
|