testbed/TileDB-Inc__TileDB-Py/tiledb/tests/test_hypothesis.py

import time

import hypothesis as hp
import hypothesis.strategies as st
import numpy as np
import pytest

import tiledb

from .common import has_pandas

pd = pytest.importorskip("pandas")
tm = pd._testing


@pytest.mark.skipif(not has_pandas(), reason="pandas>=1.0,<3.0 not installed")
@pytest.mark.parametrize("mode", ["np", "df"])
@hp.settings(deadline=None, verbosity=hp.Verbosity.verbose)
@hp.given(st.binary())
def test_bytes_npdf(checked_path, mode, data):
    start = time.time()

    uri = "mem://" + checked_path.path()
    hp.note(f"!!! path '{uri}' time: {time.time() - start}")

    array = np.array([data], dtype="S0")

    start_ingest = time.time()
    if mode == "np":
        with tiledb.from_numpy(uri, array) as A:
            pass
    else:
        series = pd.Series(array)
        df = pd.DataFrame({"": series})
        # NOTE: ctx required here for mem://
        tiledb.from_pandas(uri, df, sparse=False, ctx=tiledb.default_ctx())

    hp.note(f"{mode} ingest time: {time.time() - start_ingest}")

    # DEBUG
    tiledb.stats_enable()
    tiledb.stats_reset()
    # END DEBUG

    with tiledb.open(uri) as A:
        if mode == "np":
            np.testing.assert_array_equal(A.multi_index[:][""], array)
        else:
            tm.assert_frame_equal(A.df[:], df)

    hp.note(tiledb.stats_dump(print_out=False))

    # DEBUG
    tiledb.stats_disable()

    duration = time.time() - start
    hp.note(f"!!! test_bytes_{mode} duration: {duration}")
    if duration > 2:
        # Hypothesis setup is (maybe) causing deadline exceeded errors
        # https://github.com/TileDB-Inc/TileDB-Py/issues/1194
        # Set deadline=None and use internal timing instead.
        pytest.fail(f"!!! {mode} function body duration exceeded 2s: {duration}")