Adding upstream version 0.12.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/conftest.py

@@ -0,0 +1,34 @@
+from __future__ import annotations
+
+from typing import Sequence, Type
+
+import pytest
+from textual_fastdatatable.backend import ArrowBackend, DataTableBackend, PolarsBackend
+
+
+@pytest.fixture
+def pydict() -> dict[str, Sequence[str | int]]:
+    return {
+        "first column": [1, 2, 3, 4, 5],
+        "two": ["a", "b", "c", "d", "asdfasdf"],
+        "three": ["foo", "bar", "baz", "qux", "foofoo"],
+    }
+
+
+@pytest.fixture
+def records(pydict: dict[str, Sequence[str | int]]) -> list[tuple[str | int, ...]]:
+    header = tuple(pydict.keys())
+    cols = list(pydict.values())
+    num_rows = len(cols[0])
+    data = [tuple([col[i] for col in cols]) for i in range(num_rows)]
+    return [header, *data]
+
+
+@pytest.fixture(params=[ArrowBackend, PolarsBackend])
+def backend(
+    request: Type[pytest.FixtureRequest], pydict: dict[str, Sequence[str | int]]
+) -> DataTableBackend:
+    backend_cls = request.param
+    assert issubclass(backend_cls, (ArrowBackend, PolarsBackend))
+    backend: ArrowBackend | PolarsBackend = backend_cls.from_pydict(pydict)
+    return backend