smileyface/tests/test_imports.py

import importlib
import pkgutil

import smileyface


def test_top_level_package_imports():
    importlib.import_module("smileyface")


def test_all_submodules_import():
    errors = []

    def _on_walk_error(name):
        errors.append(f"{name}: failed during package walk")

    module_names = [
        info.name
        for info in pkgutil.walk_packages(
            smileyface.__path__,
            prefix="smileyface.",
            onerror=_on_walk_error,
        )
    ]

    assert module_names, "walk_packages found no submodules - check smileyface.__path__"

    for name in module_names:
        try:
            importlib.import_module(name)
        except Exception as exc:  # noqa: BLE001 - we want every failure, not the first
            errors.append(f"{name}: {exc!r}")

    assert not errors, "Modules failed to import:\n" + "\n".join(errors)