test_parsers.py 文件源码

def test_fwf_colspecs_None(self):
        # GH 7079
        data = """\
123456
456789
"""
        colspecs = [(0, 3), (3, None)]
        result = read_fwf(StringIO(data), colspecs=colspecs, header=None)
        expected = DataFrame([[123, 456], [456, 789]])
        tm.assert_frame_equal(result, expected)

        colspecs = [(None, 3), (3, 6)]
        result = read_fwf(StringIO(data), colspecs=colspecs, header=None)
        expected = DataFrame([[123, 456], [456, 789]])
        tm.assert_frame_equal(result, expected)

        colspecs = [(0, None), (3, None)]
        result = read_fwf(StringIO(data), colspecs=colspecs, header=None)
        expected = DataFrame([[123456, 456], [456789, 789]])
        tm.assert_frame_equal(result, expected)

        colspecs = [(None, None), (3, 6)]
        result = read_fwf(StringIO(data), colspecs=colspecs, header=None)
        expected = DataFrame([[123456, 456], [456789, 789]])
        tm.assert_frame_equal(result, expected)