superset/tests/unit_tests/pandas_postprocessing/test_contribution.py

81 lines
3.1 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
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from datetime import datetime
import pytest
from numpy import nan
from numpy.testing import assert_array_equal
from pandas import DataFrame
from superset.exceptions import InvalidPostProcessingError
from superset.utils.core import DTTM_ALIAS, PostProcessingContributionOrientation
from superset.utils.pandas_postprocessing import contribution
def test_contribution():
df = DataFrame(
{
DTTM_ALIAS: [
datetime(2020, 7, 16, 14, 49),
datetime(2020, 7, 16, 14, 50),
datetime(2020, 7, 16, 14, 51),
],
"a": [1, 3, nan],
"b": [1, 9, nan],
"c": [nan, nan, nan],
}
)
with pytest.raises(InvalidPostProcessingError, match="not numeric"):
contribution(df, columns=[DTTM_ALIAS])
with pytest.raises(InvalidPostProcessingError, match="same length"):
contribution(df, columns=["a"], rename_columns=["aa", "bb"])
# cell contribution across row
processed_df = contribution(
df,
orientation=PostProcessingContributionOrientation.ROW,
)
assert processed_df.columns.tolist() == [DTTM_ALIAS, "a", "b", "c"]
assert_array_equal(processed_df["a"].tolist(), [0.5, 0.25, nan])
assert_array_equal(processed_df["b"].tolist(), [0.5, 0.75, nan])
assert_array_equal(processed_df["c"].tolist(), [0, 0, nan])
# cell contribution across column without temporal column
df.pop(DTTM_ALIAS)
processed_df = contribution(
df, orientation=PostProcessingContributionOrientation.COLUMN
)
assert processed_df.columns.tolist() == ["a", "b", "c"]
assert_array_equal(processed_df["a"].tolist(), [0.25, 0.75, 0])
assert_array_equal(processed_df["b"].tolist(), [0.1, 0.9, 0])
assert_array_equal(processed_df["c"].tolist(), [nan, nan, nan])
# contribution only on selected columns
processed_df = contribution(
df,
orientation=PostProcessingContributionOrientation.COLUMN,
columns=["a"],
rename_columns=["pct_a"],
)
assert processed_df.columns.tolist() == ["a", "b", "c", "pct_a"]
assert_array_equal(processed_df["a"].tolist(), [1, 3, nan])
assert_array_equal(processed_df["b"].tolist(), [1, 9, nan])
assert_array_equal(processed_df["c"].tolist(), [nan, nan, nan])
assert processed_df["pct_a"].tolist() == [0.25, 0.75, 0]