How to use test_install_deps_pre method in tox

Best Python code snippet using tox_python

test_venv.py

Source:test_venv.py

...176    assert "dep2" in args177    args = " ".join(l[2].args)178    assert "-i ABC" in args179    assert "dep3" in args180def test_install_deps_pre(newmocksession):181    mocksession = newmocksession([], """182        [testenv]183        pip_pre=true184        deps=185            dep1186    """)187    venv = mocksession.getenv('python')188    venv.create()189    l = mocksession._pcalls190    assert len(l) == 1191    l[:] = []192    venv.install_deps()193    assert len(l) == 1194    args = " ".join(l[0].args)...

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