How to use test_run_install_command method in tox

Best Python code snippet using tox_python

test_venv.py

Source:test_venv.py

...493    index = l[0].args.index(str(pkg))494    assert index >= 0495    assert '-U' in l[0].args[:index]496    assert '--no-deps' in l[0].args[:index]497def test_run_install_command(newmocksession):498    mocksession = newmocksession([], "")499    venv = mocksession.getenv('python')500    venv.just_created = True501    venv.envconfig.envdir.ensure(dir=1)502    action = mocksession.newaction(venv, "hello")503    venv.run_install_command(packages=["whatever"], action=action)504    l = mocksession._pcalls505    assert len(l) == 1506    assert 'pip' in l[0].args[0]507    assert 'install' in l[0].args508    env = l[0].env509    assert env is not None510    assert 'PYTHONIOENCODING' in env511    assert env['PYTHONIOENCODING'] == 'utf_8'...

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