How to use current_tox_py method in tox

Best Python code snippet using tox_python

_pytestplugin.py

Source:_pytestplugin.py

...400        return session401    monkeypatch.setattr(tox.session, "build_session", build_session)402    return res403@pytest.fixture(scope="session")404def current_tox_py():405    """generate the current (test runners) python versions key406    e.g. py37 when running under Python 3.7"""...

test_plugin.py

Source:test_plugin.py

1import shutil2import pytest3from light_the_torch.computation_backend import CPUBackend4@pytest.fixture5def patch_extract_dists(mocker):6    def patch_extract_dists_(return_value=None):7        if return_value is None:8            return_value = []9        return mocker.patch(10            "tox_ltt.plugin.ltt.extract_dists", return_value=return_value11        )12    return patch_extract_dists_13@pytest.fixture14def patch_find_links(mocker):15    def patch_find_links_(return_value=None):16        if return_value is None:17            return_value = []18        return mocker.patch("tox_ltt.plugin.ltt.find_links", return_value=return_value)19    return patch_find_links_20@pytest.fixture21def install_mock(mocker):22    return mocker.patch("tox.venv.VirtualEnv.run_install_command")23def get_pyproject_toml():24    return """25    [build-system]26    requires = ["setuptools", "wheel"]27    build-backend = "setuptools.build_meta"28    """29def get_setup_py():30    return """31    from setuptools import setup32    setup()33    """34def get_setup_cfg(name, version, install_requires=None, extra_requires=None):35    lines = ["[metadata]", f"name = {name}", f"version = {version}"]36    if install_requires is not None:37        lines.extend(("[options]", "install_requires = "))38        lines.extend([f"\t{req}" for req in install_requires])39    if extra_requires is not None:40        lines.extend(("[options.extras_require]", "extra = "))41        lines.extend([f"\t{req}" for req in extra_requires])42    return "\n".join(lines)43def get_tox_ini(44    basepython=None,45    disable_light_the_torch=None,46    pytorch_channel=None,47    pytorch_force_cpu=None,48    force_cpu=None,49    deps=None,50    skip_install=False,51    usedevelop=False,52    extra=False,53    pep517=True,54):55    lines = ["[tox]", "envlist = py"]56    if pep517:57        lines.append("isolated_build = True")58    lines.extend(("[testenv]", "requires = ", "\ttox-ltt",))59    if basepython is not None:60        lines.append(f"basepython = {basepython}")61    if skip_install:62        lines.append("skip_install = True")63    if usedevelop:64        lines.append("usedevelop = True")65    if extra:66        lines.append("extras = extra")67    if disable_light_the_torch is not None:68        lines.append(f"disable_light_the_torch = {disable_light_the_torch}")69    if pytorch_channel is not None:70        lines.append(f"pytorch_channel = {pytorch_channel}")71    if pytorch_force_cpu is not None:72        lines.append(f"pytorch_force_cpu = {pytorch_force_cpu}")73    if force_cpu is not None:74        lines.append(f"force_cpu = {force_cpu}")75    if deps is not None:76        lines.append("deps = ")77        lines.extend([f"\t{dep}" for dep in deps])78    return "\n".join(lines)79@pytest.fixture80def tox_ltt_initproj(initproj):81    def tox_ltt_initproj_(82        name="foo",83        version="1.2.3",84        basepython=None,85        install_requires=None,86        extra_requires=None,87        disable_light_the_torch=None,88        pytorch_channel=None,89        pytorch_force_cpu=None,90        force_cpu=None,91        deps=None,92        skip_install=False,93        usedevelop=False,94        pep517=True,95    ):96        filedefs = {97            "setup.cfg": get_setup_cfg(98                name,99                version,100                install_requires=install_requires,101                extra_requires=extra_requires,102            ),103            "tox.ini": get_tox_ini(104                basepython=basepython,105                skip_install=skip_install,106                usedevelop=usedevelop,107                extra=extra_requires is not None,108                disable_light_the_torch=disable_light_the_torch,109                pytorch_channel=pytorch_channel,110                pytorch_force_cpu=pytorch_force_cpu,111                force_cpu=force_cpu,112                deps=deps,113                pep517=pep517,114            ),115        }116        if pep517:117            filedefs["pyproject.toml"] = get_pyproject_toml()118        else:119            filedefs["setup.py"] = get_setup_py()120        return initproj(121            f"{name}-{version}", filedefs=filedefs, add_missing_setup_py=False122        )123    return tox_ltt_initproj_124def test_help_ini(cmd):125    result = cmd("--help-ini")126    result.assert_success(is_run_test_env=False)127    assert "disable_light_the_torch" in result.out128    assert "pytorch_channel" in result.out129    assert "pytorch_force_cpu" in result.out130@pytest.mark.slow131def test_tox_ltt_disabled(patch_extract_dists, tox_ltt_initproj, cmd):132    mock = patch_extract_dists()133    tox_ltt_initproj(disable_light_the_torch=True)134    result = cmd()135    result.assert_success(is_run_test_env=False)136    mock.assert_not_called()137@pytest.mark.slow138def test_tox_ltt_pytorch_channel(patch_find_links, tox_ltt_initproj, cmd, install_mock):139    channel = "channel"140    mock = patch_find_links()141    tox_ltt_initproj(deps=("torch",), pytorch_channel=channel)142    result = cmd()143    result.assert_success(is_run_test_env=False)144    _, kwargs = mock.call_args145    assert kwargs["channel"] == channel146@pytest.mark.slow147def test_tox_ltt_pytorch_force_cpu(148    patch_find_links, tox_ltt_initproj, cmd, install_mock149):150    mock = patch_find_links()151    tox_ltt_initproj(deps=("torch",), pytorch_force_cpu=True)152    result = cmd()153    result.assert_success(is_run_test_env=False)154    _, kwargs = mock.call_args155    assert kwargs["computation_backends"] == CPUBackend()156@pytest.mark.slow157def test_tox_ltt_force_cpu_legacy(158    patch_find_links, tox_ltt_initproj, cmd, install_mock159):160    mock = patch_find_links()161    tox_ltt_initproj(deps=("torch",), force_cpu=True)162    result = cmd()163    result.assert_success(is_run_test_env=False)164    _, kwargs = mock.call_args165    assert kwargs["computation_backends"] == CPUBackend()166def test_tox_ltt_no_requirements(167    patch_extract_dists, tox_ltt_initproj, cmd, install_mock168):169    mock = patch_extract_dists()170    tox_ltt_initproj(skip_install=True)171    result = cmd()172    result.assert_success(is_run_test_env=False)173    mock.assert_not_called()174@pytest.mark.slow175def test_tox_ltt_no_pytorch_dists(176    patch_find_links, tox_ltt_initproj, cmd, install_mock177):178    mock = patch_find_links()179    deps = ("light-the-torch",)180    tox_ltt_initproj(deps=deps)181    result = cmd()182    result.assert_success(is_run_test_env=False)183    mock.assert_not_called()184@pytest.mark.slow185def test_tox_ltt_direct_pytorch_dists(186    patch_find_links, tox_ltt_initproj, cmd, install_mock187):188    mock = patch_find_links()189    deps = ("torch", "torchaudio", "torchtext", "torchvision")190    dists = set(deps)191    tox_ltt_initproj(deps=deps)192    result = cmd()193    result.assert_success(is_run_test_env=False)194    args, _ = mock.call_args195    assert set(args[0]) == dists196@pytest.mark.slow197def test_tox_ltt_indirect_pytorch_dists(198    patch_find_links, tox_ltt_initproj, cmd, install_mock199):200    mock = patch_find_links()201    deps = ("git+https://github.com/pmeier/pystiche@v0.5.0",)202    dists = {"torch>=1.5.0", "torchvision>=0.6.0"}203    tox_ltt_initproj(deps=deps)204    result = cmd()205    result.assert_success(is_run_test_env=False)206    args, _ = mock.call_args207    assert set(args[0]) == dists208def test_tox_ltt_project_pytorch_dists(209    subtests, patch_find_links, tox_ltt_initproj, cmd, install_mock210):211    mock = patch_find_links()212    install_requires = ("torch>=1.5.0", "torchvision>=0.6.0")213    dists = set(install_requires)214    for pep517 in (True, False):215        mock.reset()216        with subtests.test(pep517=pep517):217            tox_ltt_initproj(install_requires=install_requires, pep517=pep517)218            result = cmd()219            result.assert_success(is_run_test_env=False)220            args, _ = mock.call_args221            assert set(args[0]) == dists222def test_tox_ltt_project_extra_pytorch_dists(223    subtests, patch_find_links, tox_ltt_initproj, cmd, install_mock224):225    mock = patch_find_links()226    extra_requires = ("torch>=1.5.0", "torchvision>=0.6.0")227    dists = set(extra_requires)228    for pep517 in (True, False):229        mock.reset()230        with subtests.test(pep517=pep517):231            tox_ltt_initproj(extra_requires=extra_requires, pep517=pep517)232            result = cmd()233            result.assert_success(is_run_test_env=False)234            args, _ = mock.call_args235            assert set(args[0]) == dists236def test_tox_ltt_project_usedevelop(237    patch_find_links, tox_ltt_initproj, cmd, install_mock238):239    mock = patch_find_links()240    install_requires = ("torch>=1.5.0", "torchvision>=0.6.0")241    dists = set(install_requires)242    tox_ltt_initproj(install_requires=install_requires, usedevelop=True, pep517=False)243    result = cmd()244    result.assert_success(is_run_test_env=False)245    args, _ = mock.call_args246    assert set(args[0]) == dists247@pytest.fixture248def other_basepythons(current_tox_py):249    current_minor = int(current_tox_py[-1])250    basepythons = (f"python3.{minor}" for minor in {6, 7, 8} - {current_minor})251    return [252        basepython for basepython in basepythons if shutil.which(basepython) is not None253    ]254@pytest.mark.slow255def test_tox_ltt_other_basepython(256    subtests,257    mock_venv,258    patch_extract_dists,259    patch_find_links,260    install_mock,261    tox_ltt_initproj,262    cmd,263    other_basepythons,264):265    def canonical_to_tox(version):266        major, minor, _ = version.split(".")267        return f"python{major}.{minor}"268    deps = ["torch"]269    patch_extract_dists(return_value=deps)270    mock = patch_find_links()271    for basepython in other_basepythons:272        mock.reset()273        with subtests.test(basepython=basepython):274            tox_ltt_initproj(basepython=basepython, deps=deps)275            result = cmd()276            result.assert_success()277            _, kwargs = mock.call_args278            python_version = kwargs["python_version"]...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.