(df, pdf)
| 1659 | reason="Very flaky https://github.com/dask/dask/issues/12275", strict=False |
| 1660 | ) |
| 1661 | def test_len(df, pdf): |
| 1662 | df2 = df[["x"]] + 1 |
| 1663 | assert len(df2) == len(pdf) |
| 1664 | |
| 1665 | assert len(df[df.x > 5]) == len(pdf[pdf.x > 5]) |
| 1666 | |
| 1667 | first = df2.partitions[0].compute() |
| 1668 | assert len(df2.partitions[0]) == len(first) |
| 1669 | |
| 1670 | assert isinstance(Len(df2.expr).optimize(), expr.Literal) |
| 1671 | assert isinstance(expr.Lengths(df2.expr).optimize(), expr.Literal) |
| 1672 | |
| 1673 | |
| 1674 | def test_astype_simplify(df, pdf): |