(df, pdf)
| 1977 | |
| 1978 | @xfail_gpu("compute_hll_array doesn't work for cudf") |
| 1979 | def test_nunique_approx(df, pdf): |
| 1980 | actual = df.nunique_approx().compute() |
| 1981 | assert 99 < actual < 101 |
| 1982 | |
| 1983 | actual = df.y.nunique_approx().compute() |
| 1984 | expect = pdf.y.nunique() |
| 1985 | assert expect * 0.99 < actual < expect * 1.01 |
| 1986 | |
| 1987 | actual = df.set_index("y").index.nunique_approx().compute() |
| 1988 | expect = pdf.set_index("y").index.nunique() |
| 1989 | assert expect * 0.99 < actual < expect * 1.01 |
| 1990 | |
| 1991 | |
| 1992 | def test_memory_usage_per_partition(df): |
nothing calls this directly
no test coverage detected