venv/lib/python3.11/site-packages/pyarrow/tests/test_strategies.py

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import hypothesis as h

import pytest

import pyarrow as pa
import pyarrow.tests.strategies as past


@h.given(past.all_types)
def test_types(ty):
    assert isinstance(ty, pa.lib.DataType)


@h.given(past.all_fields)
def test_fields(field):
    assert isinstance(field, pa.lib.Field)


@h.given(past.all_schemas)
def test_schemas(schema):
    assert isinstance(schema, pa.lib.Schema)


@pytest.mark.numpy
@h.given(past.all_arrays)
def test_arrays(array):
    assert isinstance(array, pa.lib.Array)


@pytest.mark.numpy
@h.given(past.arrays(past.primitive_types, nullable=False))
def test_array_nullability(array):
    assert array.null_count == 0


@h.given(past.all_chunked_arrays)
def test_chunked_arrays(chunked_array):
    assert isinstance(chunked_array, pa.lib.ChunkedArray)


@h.given(past.all_record_batches)
def test_record_batches(record_bath):
    assert isinstance(record_bath, pa.lib.RecordBatch)


@pytest.mark.numpy
@h.given(past.all_tables)
def test_tables(table):
    assert isinstance(table, pa.lib.Table)