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5b7ed07 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | # Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# 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,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
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# under the License.
import pytest
from superset.exceptions import InvalidPostProcessingError
from superset.utils.pandas_postprocessing import diff
from tests.unit_tests.fixtures.dataframes import timeseries_df, timeseries_df2
from tests.unit_tests.pandas_postprocessing.utils import series_to_list
def test_diff():
# overwrite column
post_df = diff(df=timeseries_df, columns={"y": "y"})
assert post_df.columns.tolist() == ["label", "y"]
assert series_to_list(post_df["y"]) == [None, 1.0, 1.0, 1.0]
# add column
post_df = diff(df=timeseries_df, columns={"y": "y1"})
assert post_df.columns.tolist() == ["label", "y", "y1"]
assert series_to_list(post_df["y"]) == [1.0, 2.0, 3.0, 4.0]
assert series_to_list(post_df["y1"]) == [None, 1.0, 1.0, 1.0]
# look ahead
post_df = diff(df=timeseries_df, columns={"y": "y1"}, periods=-1)
assert series_to_list(post_df["y1"]) == [-1.0, -1.0, -1.0, None]
# invalid column reference
with pytest.raises(InvalidPostProcessingError):
diff(
df=timeseries_df,
columns={"abc": "abc"},
)
# diff by columns
post_df = diff(df=timeseries_df2, columns={"y": "y", "z": "z"}, axis=1)
assert post_df.columns.tolist() == ["label", "y", "z"]
assert series_to_list(post_df["z"]) == [0.0, 2.0, 8.0, 6.0]
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