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How to use toml_file_check method in tox

Best Python code snippet using tox_python

test_package_builder_isolated.py

Source:test_package_builder_isolated.py

...55    )56    result = cmd("--sdistonly", "-e", "py")57    result.assert_fail()58    assert result.outlines == ["ERROR: missing {}".format(py.path.local().join("pyproject.toml"))]59def toml_file_check(initproj, version, message, toml):60    initproj(61        "package_toml-{}".format(version),62        filedefs={63            "tox.ini": """64                        [tox]65                        isolated_build = true66                    """,67            "pyproject.toml": toml,68        },69    )70    with pytest.raises(SystemExit, match="1"):71        get_build_info(py.path.local())72    toml_file = py.path.local().join("pyproject.toml")73    msg = "ERROR: {} inside {}".format(message, toml_file)74    assert _INSTANCE.messages == [msg]75def test_package_isolated_toml_no_build_system(initproj):76    toml_file_check(initproj, 1, "build-system section missing", "")77def test_package_isolated_toml_no_requires(initproj):78    toml_file_check(79        initproj,80        2,81        "missing requires key at build-system section",82        """83    [build-system]84    """,85    )86def test_package_isolated_toml_no_backend(initproj):87    toml_file_check(88        initproj,89        3,90        "missing build-backend key at build-system section",91        """92    [build-system]93    requires = []94    """,95    )96def test_package_isolated_toml_bad_requires(initproj):97    toml_file_check(98        initproj,99        4,100        "requires key at build-system section must be a list of string",101        """102    [build-system]103    requires = ""104    build-backend = ""105    """,106    )107def test_package_isolated_toml_bad_backend(initproj):108    toml_file_check(109        initproj,110        5,111        "build-backend key at build-system section must be a string",112        """113    [build-system]114    requires = []115    build-backend = []116    """,117    )118def test_package_isolated_toml_bad_backend_path(initproj):119    """Verify that a non-list 'backend-path' is forbidden."""120    toml_file_check(121        initproj,122        6,123        "backend-path key at build-system section must be a list, if specified",124        """125    [build-system]126    requires = []127    build-backend = 'setuptools.build_meta'128    backend-path = 42129    """,130    )131def test_package_isolated_toml_backend_path_outside_root(initproj):132    """Verify that a 'backend-path' outside the project root is forbidden."""133    toml_file_check(134        initproj,135        6,136        "backend-path must exist in the project root",137        """138    [build-system]139    requires = []140    build-backend = 'setuptools.build_meta'141    backend-path = ['..']142    """,143    )144def test_verbose_isolated_build_in_tree(initproj, mock_venv, cmd):145    initproj(146        "example123-0.5",147        filedefs={...

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