File: test_invalid_bytes_single_file.py

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python-syrupy 4.9.1-1
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def test_raises_informative_type_error_when_serializing_non_bytes(testdir):
    testdir.makepyfile(
        test_file="""
        from syrupy.extensions.single_file import SingleFileSnapshotExtension

        def test_case(snapshot):
            assert {"x": 0} == snapshot(extension_class=SingleFileSnapshotExtension)
        """
    )

    result = testdir.runpytest("-v")
    assert result.ret == 1
    result.stdout.re_match_lines(
        (r".*TypeError: Can't serialize.*You must convert the data.*",)
    )