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How to use assert_version_in_output method in tox

Best Python code snippet using tox_python

test_interpreters.py

Source:test_interpreters.py

...33        envconfig.basepython = name34        p = tox_get_python_executable(envconfig)35        assert p36        return str(p)37    def assert_version_in_output(exe, version):38        out = subprocess.check_output((exe, "-V"), stderr=subprocess.STDOUT)39        assert version in out.decode()40    p = tox_get_python_executable(envconfig)41    assert p == py.path.local(sys.executable)42    for major, minor in [(2, 7), (3, 5), (3, 6), (3, 7), (3, 8)]:43        name = "python{}.{}".format(major, minor)44        if tox.INFO.IS_WIN:45            pydir = "python{}{}".format(major, minor)46            x = py.path.local(r"c:\{}".format(pydir))47            if not x.check():48                continue49        else:50            if not py.path.local.sysfind(name) or subprocess.call((name, "-c", "")):51                continue52        exe = get_exe(name)53        assert_version_in_output(exe, "{}.{}".format(major, minor))54    has_py_exe = py.path.local.sysfind("py") is not None55    for major in (2, 3):56        name = "python{}".format(major)57        if has_py_exe:58            error_code = subprocess.call(("py", "-{}".format(major), "-c", ""))59            if error_code:60                continue61        elif not py.path.local.sysfind(name):62            continue63        exe = get_exe(name)64        assert_version_in_output(exe, str(major))65@pytest.mark.skipif("sys.platform == 'win32'", reason="symlink execution unreliable on Windows")66def test_find_alias_on_path(monkeypatch, tmp_path, mocker):67    reporter.update_default_reporter(Verbosity.DEFAULT, Verbosity.DEBUG)68    magic = tmp_path / "magic{}".format(os.path.splitext(sys.executable)[1])69    os.symlink(sys.executable, str(magic))70    monkeypatch.setenv(71        str("PATH"),72        os.pathsep.join([str(tmp_path)] + os.environ.get(str("PATH"), "").split(os.pathsep)),73    )74    class envconfig:75        basepython = "magic"76        envname = "pyxx"77        config = mocker.MagicMock()78        config.return_value.option.return_value.discover = []...

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