28 lines
		
	
	
		
			662 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			662 B
		
	
	
	
		
			Python
		
	
	
	
	
	
import pytest
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from pandas import DataFrame
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import pandas._testing as tm
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class TestGet:
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    def test_get(self, float_frame):
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        b = float_frame.get("B")
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        tm.assert_series_equal(b, float_frame["B"])
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        assert float_frame.get("foo") is None
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        tm.assert_series_equal(
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            float_frame.get("foo", float_frame["B"]), float_frame["B"]
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        )
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    @pytest.mark.parametrize(
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        "df",
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        [
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            DataFrame(),
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            DataFrame(columns=list("AB")),
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            DataFrame(columns=list("AB"), index=range(3)),
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        ],
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    )
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    def test_get_none(self, df):
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        # see gh-5652
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        assert df.get(None) is None
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