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How to use test_command_missing_substitution_multi_env method in tox

Best Python code snippet using tox_python

test_config.py

Source:test_config.py

...502        with pytest.raises(tox.exception.MissingSubstitution, match=expected):503            envconfig.commands504        with pytest.raises(tox.exception.MissingSubstitution, match=expected):505            envconfig.setenv["FOO"]506    def test_command_missing_substitution_multi_env(self, newconfig):507        config = newconfig(508            """509            [testenv:py27]510            setenv =511                FOO = {env:BAR}512                BAR = {env:FOO}513            commands = {env:BAR}514            """,515        )516        envconfig = config.envconfigs["py27"]517        expected = "MissingSubstitution: BAR"518        with pytest.raises(tox.exception.MissingSubstitution, match=expected):519            envconfig.commands520        expected = "MissingSubstitution: FOO"...

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