How to use test_command_env_substitution method in tox

Best Python code snippet using tox_python

test_config.py

Source:test_config.py

...222            "cmd1 param11 param12".split(),223            "cmd2 param21 param22".split(),224            ["echo", "cmd", "1", "2", "3", "4", "cmd", "2"],225        ]226    def test_command_env_substitution(self, newconfig):227        """Ensure referenced {env:key:default} values are substituted correctly."""228        config = newconfig("""229           [testenv:py27]230           setenv =231             TEST=testvalue232           commands =233             ls {env:TEST}234        """)235        reader = SectionReader("testenv:py27", config._cfg)236        x = reader.getargvlist("commands")237        assert x == [238            "ls testvalue".split()239        ]240        assert x != [...

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