Colin Maudry
21 lines
553 B
Python
21 lines
553 B
Python
import datetime
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import polars as pl
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from src.mcp.serialization import to_json_records
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def test_dates_become_iso_strings():
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df = pl.DataFrame({"d": [datetime.date(2025, 1, 1)], "n": [10]})
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assert to_json_records(df) == [{"d": "2025-01-01", "n": 10}]
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def test_none_is_preserved():
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df = pl.DataFrame({"nom": [None], "x": [3]})
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assert to_json_records(df) == [{"nom": None, "x": 3}]
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def test_strings_and_numbers_untouched():
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df = pl.DataFrame({"s": ["abc"], "f": [1.5]})
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assert to_json_records(df) == [{"s": "abc", "f": 1.5}]
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