How to use _get_envconfig method in tox

Best Python code snippet using tox_python

test_config.py

Source:test_config.py

...845            config = newconfig(args, tox_ini)846        finally:847            tox._config.make_hashseed = original_make_hashseed848        return config.envconfigs849    def _get_envconfig(self, newconfig, args=None, tox_ini=None):850        envconfigs = self._get_envconfigs(newconfig, args=args,851                                          tox_ini=tox_ini)852        return envconfigs["python"]853    def _check_hashseed(self, envconfig, expected):854        assert envconfig.setenv == {'PYTHONHASHSEED': expected}855    def _check_testenv(self, newconfig, expected, args=None, tox_ini=None):856        envconfig = self._get_envconfig(newconfig, args=args, tox_ini=tox_ini)857        self._check_hashseed(envconfig, expected)858    def test_default(self, tmpdir, newconfig):859        self._check_testenv(newconfig, '123456789')860    def test_passing_integer(self, tmpdir, newconfig):861        args = ['--hashseed', '1']862        self._check_testenv(newconfig, '1', args=args)863    def test_passing_string(self, tmpdir, newconfig):864        args = ['--hashseed', 'random']865        self._check_testenv(newconfig, 'random', args=args)866    def test_passing_empty_string(self, tmpdir, newconfig):867        args = ['--hashseed', '']868        self._check_testenv(newconfig, '', args=args)869    @pytest.mark.xfail(sys.version_info >= (3,2),870                       reason="at least Debian python 3.2/3.3 have a bug: "871                              "http://bugs.python.org/issue11884")872    def test_passing_no_argument(self, tmpdir, newconfig):873        """Test that passing no arguments to --hashseed is not allowed."""874        args = ['--hashseed']875        try:876            self._check_testenv(newconfig, '', args=args)877        except SystemExit:878            e = sys.exc_info()[1]879            assert e.code == 2880            return881        assert False  # getting here means we failed the test.882    def test_setenv(self, tmpdir, newconfig):883        """Check that setenv takes precedence."""884        tox_ini = """885            [testenv]886            setenv =887                PYTHONHASHSEED = 2888        """889        self._check_testenv(newconfig, '2', tox_ini=tox_ini)890        args = ['--hashseed', '1']891        self._check_testenv(newconfig, '2', args=args, tox_ini=tox_ini)892    def test_noset(self, tmpdir, newconfig):893        args = ['--hashseed', 'noset']894        envconfig = self._get_envconfig(newconfig, args=args)895        assert envconfig.setenv is None896    def test_noset_with_setenv(self, tmpdir, newconfig):897        tox_ini = """898            [testenv]899            setenv =900                PYTHONHASHSEED = 2901        """902        args = ['--hashseed', 'noset']903        self._check_testenv(newconfig, '2', args=args, tox_ini=tox_ini)904    def test_one_random_hashseed(self, tmpdir, newconfig):905        """Check that different testenvs use the same random seed."""906        tox_ini = """907            [testenv:hash1]908            [testenv:hash2]...

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