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How to use test_unknown_environment method in tox

Best Python code snippet using tox_python

test_getproject.py

Source:test_getproject.py

...25            assert res.err == (26                "ERROR: no project directory set for Environment '{0}'"27                .format(name)28            )29def test_unknown_environment():30    """Check the error message if passed an unknown environment name.31    If ``getproject`` is invoked with the name of an environment that32    does not exist, the call should fail with an appropriate error33    message.34    """35    name = 'bogus-environment-that-/hopefully/-does-not-exist'36    res = invoke('getproject', name)37    assert not res.out38    assert res.err == "ERROR: Environment '{0}' does not exist.".format(name)39def test_call_without_args_outside_active_venv():40    """Check the error message if called without args outside a virtualenv.41    If ``getproject`` is called without additional arguments outside of42    an active virtualenv, it should print an error message.43    """...

test_unknown.py

Source:test_unknown.py

...27    std::print(std::is_unknown(unknown_env_int))28    """29    )30    assert project.get_stdout() == "True\n"31def test_unknown_environment(project):32    """33    Ensure that an exception is raised when the std::environment() plugin is called when no environment is configured.34    """35    with pytest.raises(Exception):36        project.compile(37            """38        env_name = std::environment()39        """...

test_isolate.py

Source:test_isolate.py

...5def fresh_registry(monkeypatch):6    """Temporarily clear the environment registry for this test. Also restores7    back to the initial state once the test is executed."""8    monkeypatch.setattr("isolate.registry._ENVIRONMENT_REGISTRY", {})9def test_unknown_environment(fresh_registry):10    with pytest.raises(ValueError):11        prepare_environment("$unknown_env")12def test_environment_discovery(fresh_registry):13    # This test currently depends on too-much internals, but14    # can be improved later on.15    from importlib_metadata import EntryPoint, EntryPoints16    from isolate.registry import _ENTRY_POINT, _reload_registry17    fake_ep = create_autospec(18        EntryPoint,19    )20    fake_ep.name = "fake"21    fake_ep.value = "isolate.backends._base.BaseEnvironment"22    fake_ep.group = "isolate.environments"23    with patch("importlib_metadata.entry_points", return_value=EntryPoints([fake_ep])):...

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