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"""
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List-valued configuration keys have an ad-hoc microsyntax. From `hg help config`:
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> List values are separated by whitespace or comma, except when values are
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> placed in double quotation marks:
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>
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> allow_read = "John Doe, PhD", brian, betty
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>
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> Quotation marks can be escaped by prefixing them with a backslash. Only
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> quotation marks at the beginning of a word is counted as a quotation
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> (e.g., ``foo"bar baz`` is the list of ``foo"bar`` and ``baz``).
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That help documentation is fairly light on details, the actual parser has many
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other edge cases. This test tries to cover them.
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"""
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from mercurial.utils import stringutil
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def assert_parselist(input, expected):
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result = stringutil.parselist(input)
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if result != expected:
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raise AssertionError(
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"parse_input(%r)\n got %r\nexpected %r"
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% (input, result, expected)
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)
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# Keep these Python tests in sync with the Rust ones in `rust/hg-core/src/config/values.rs`
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assert_parselist(b'', [])
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assert_parselist(b',', [])
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assert_parselist(b'A', [b'A'])
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assert_parselist(b'B,B', [b'B', b'B'])
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assert_parselist(b', C, ,C,', [b'C', b'C'])
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assert_parselist(b'"', [b'"'])
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assert_parselist(b'""', [b'', b''])
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assert_parselist(b'D,"', [b'D', b'"'])
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assert_parselist(b'E,""', [b'E', b'', b''])
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assert_parselist(b'"F,F"', [b'F,F'])
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assert_parselist(b'"G,G', [b'"G', b'G'])
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assert_parselist(b'"H \\",\\"H', [b'"H', b',', b'H'])
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assert_parselist(b'I,I"', [b'I', b'I"'])
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assert_parselist(b'J,"J', [b'J', b'"J'])
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assert_parselist(b'K K', [b'K', b'K'])
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assert_parselist(b'"K" K', [b'K', b'K'])
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assert_parselist(b'L\tL', [b'L', b'L'])
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assert_parselist(b'"L"\tL', [b'L', b'', b'L'])
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assert_parselist(b'M\x0bM', [b'M', b'M'])
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assert_parselist(b'"M"\x0bM', [b'M', b'', b'M'])
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assert_parselist(b'"N" , ,"', [b'N"'])
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assert_parselist(b'" ,O, ', [b'"', b'O'])
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