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How to use set_os_env_var method in tox

Best Python code snippet using tox_python

test_util.py

Source:test_util.py

1import os2from tox.util import set_os_env_var3def test_set_os_env_var_clean_env(monkeypatch):4    monkeypatch.delenv("ENV", raising=False)5    with set_os_env_var("ENV", "a"):6        assert os.environ["ENV"] == "a"7    assert "ENV" not in os.environ8def test_set_os_env_var_exist_env(monkeypatch):9    monkeypatch.setenv("ENV", "b")10    with set_os_env_var("ENV", "a"):11        assert os.environ["ENV"] == "a"12    assert os.environ["ENV"] == "b"13def test_set_os_env_var_non_str():14    with set_os_env_var("ENV", 1):...

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