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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,114 @@ | ||
| from __future__ import annotations | ||
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| from datetime import datetime | ||
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| import pytest | ||
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| import polars as pl | ||
| from polars.testing.asserts.series import assert_series_equal | ||
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| def test_clip() -> None: | ||
| clip_exprs = [ | ||
| pl.col("a").clip(pl.col("min"), pl.col("max")).alias("clip"), | ||
| pl.col("a").clip(lower_bound=pl.col("min")).alias("clip_min"), | ||
| pl.col("a").clip(upper_bound=pl.col("max")).alias("clip_max"), | ||
| ] | ||
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| df = pl.DataFrame( | ||
| { | ||
| "a": [1, 2, 3, 4, 5], | ||
| "min": [0, -1, 4, None, 4], | ||
| "max": [2, 1, 8, 5, None], | ||
| } | ||
| ) | ||
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| assert df.select(clip_exprs).to_dict(False) == { | ||
| "clip": [1, 1, 4, None, None], | ||
| "clip_min": [1, 2, 4, None, 5], | ||
| "clip_max": [1, 1, 3, 4, None], | ||
| } | ||
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| df = pl.DataFrame( | ||
| { | ||
| "a": [1.0, 2.0, 3.0, 4.0, 5.0], | ||
| "min": [0, -1.0, 4.0, None, 4.0], | ||
| "max": [2.0, 1.0, 8.0, 5.0, None], | ||
| } | ||
| ) | ||
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| assert df.select(clip_exprs).to_dict(False) == { | ||
| "clip": [1.0, 1.0, 4.0, None, None], | ||
| "clip_min": [1.0, 2.0, 4.0, None, 5.0], | ||
| "clip_max": [1.0, 1.0, 3.0, 4.0, None], | ||
| } | ||
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| df = pl.DataFrame( | ||
| { | ||
| "a": [ | ||
| datetime(1995, 6, 5, 10, 30), | ||
| datetime(1995, 6, 5), | ||
| datetime(2023, 10, 20, 18, 30, 6), | ||
| None, | ||
| datetime(2023, 9, 24), | ||
| datetime(2000, 1, 10), | ||
| ], | ||
| "min": [ | ||
| datetime(1995, 6, 5, 10, 29), | ||
| datetime(1996, 6, 5), | ||
| datetime(2020, 9, 24), | ||
| datetime(2020, 1, 1), | ||
| None, | ||
| datetime(2000, 1, 1), | ||
| ], | ||
| "max": [ | ||
| datetime(1995, 7, 21, 10, 30), | ||
| datetime(2000, 1, 1), | ||
| datetime(2023, 9, 20, 18, 30, 6), | ||
| datetime(2000, 1, 1), | ||
| datetime(1993, 3, 13), | ||
| None, | ||
| ], | ||
| } | ||
| ) | ||
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| assert df.select(clip_exprs).to_dict(False) == { | ||
| "clip": [ | ||
| datetime(1995, 6, 5, 10, 30), | ||
| datetime(1996, 6, 5), | ||
| datetime(2023, 9, 20, 18, 30, 6), | ||
| None, | ||
| None, | ||
| None, | ||
| ], | ||
| "clip_min": [ | ||
| datetime(1995, 6, 5, 10, 30), | ||
| datetime(1996, 6, 5), | ||
| datetime(2023, 10, 20, 18, 30, 6), | ||
| None, | ||
| None, | ||
| datetime(2000, 1, 10), | ||
| ], | ||
| "clip_max": [ | ||
| datetime(1995, 6, 5, 10, 30), | ||
| datetime(1995, 6, 5), | ||
| datetime(2023, 9, 20, 18, 30, 6), | ||
| None, | ||
| datetime(1993, 3, 13), | ||
| None, | ||
| ], | ||
| } | ||
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| def test_clip_min_max_deprecated() -> None: | ||
| s = pl.Series([-1, 0, 1]) | ||
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| with pytest.deprecated_call(): | ||
| result = s.clip_min(0) | ||
| expected = pl.Series([0, 0, 1]) | ||
| assert_series_equal(result, expected) | ||
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| with pytest.deprecated_call(): | ||
| result = s.clip_max(0) | ||
| expected = pl.Series([-1, 0, 0]) | ||
| assert_series_equal(result, expected) |