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superset2/tests/unit_tests/pandas_postprocessing/test_aggregate.py

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# to you under the Apache License, Version 2.0 (the
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# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
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from superset.utils.pandas_postprocessing import aggregate
from tests.unit_tests.fixtures.dataframes import categories_df
from tests.unit_tests.pandas_postprocessing.utils import series_to_list
def test_aggregate():
aggregates = {
"asc sum": {"column": "asc_idx", "operator": "sum"},
"asc q2": {
"column": "asc_idx",
"operator": "percentile",
"options": {"q": 75},
},
"desc q1": {
"column": "desc_idx",
"operator": "percentile",
"options": {"q": 25},
},
}
df = aggregate(df=categories_df, groupby=["constant"], aggregates=aggregates)
assert df.columns.tolist() == ["constant", "asc sum", "asc q2", "desc q1"]
assert series_to_list(df["asc sum"])[0] == 5050
assert series_to_list(df["asc q2"])[0] == 75
assert series_to_list(df["desc q1"])[0] == 25
def test_aggregate_string_operators():
"""mean, median, and other operators in _PANDAS_STRING_AGGREGATORS use the
pandas string path; verify results match expected values on asc_idx [0..100]."""
aggregates = {
"asc mean": {"column": "asc_idx", "operator": "mean"},
"asc median": {"column": "asc_idx", "operator": "median"},
"asc max": {"column": "asc_idx", "operator": "max"},
"asc min": {"column": "asc_idx", "operator": "min"},
}
df = aggregate(df=categories_df, groupby=["constant"], aggregates=aggregates)
assert series_to_list(df["asc mean"])[0] == 50.0
assert series_to_list(df["asc median"])[0] == 50.0
assert series_to_list(df["asc max"])[0] == 100
assert series_to_list(df["asc min"])[0] == 0
def test_aggregate_count_includes_nulls():
"""'count' operator uses np.ma.count, which counts all rows including NaN.
It is intentionally excluded from _PANDAS_STRING_AGGREGATORS to preserve this
behavior (pandas SeriesGroupBy.count excludes NaN)."""
aggregates = {
"null_count": {"column": "idx_nulls", "operator": "count"},
}
df = aggregate(df=categories_df, groupby=["constant"], aggregates=aggregates)
# idx_nulls has 101 rows total; np.ma.count returns all 101 (NaN included)
assert series_to_list(df["null_count"])[0] == 101