view tests/test-config-parselist.py @ 51285:9d3721552b6c

pytype: import typing directly

First we no longer needs the pycompat layer, second having the types imported in
all case will allow to use them more directly in type annotation, something
important to upgrade the old "type comment" to proper type annotation.

A lot a stupid assert are needed to keep pyflakes happy. We should be able to
remove most of them once the type comment have been upgraded.

"""
List-valued configuration keys have an ad-hoc microsyntax. From `hg help config`:

> List values are separated by whitespace or comma, except when values are
> placed in double quotation marks:
>
>     allow_read = "John Doe, PhD", brian, betty
>
> Quotation marks can be escaped by prefixing them with a backslash. Only
> quotation marks at the beginning of a word is counted as a quotation
> (e.g., ``foo"bar baz`` is the list of ``foo"bar`` and ``baz``).

That help documentation is fairly light on details, the actual parser has many
other edge cases. This test tries to cover them.
"""

from mercurial.utils import stringutil


def assert_parselist(input, expected):
    result = stringutil.parselist(input)
    if result != expected:
        raise AssertionError(
            "parse_input(%r)\n     got %r\nexpected %r"
            % (input, result, expected)
        )


# Keep these Python tests in sync with the Rust ones in `rust/hg-core/src/config/values.rs`

assert_parselist(b'', [])
assert_parselist(b',', [])
assert_parselist(b'A', [b'A'])
assert_parselist(b'B,B', [b'B', b'B'])
assert_parselist(b', C, ,C,', [b'C', b'C'])
assert_parselist(b'"', [b'"'])
assert_parselist(b'""', [b'', b''])
assert_parselist(b'D,"', [b'D', b'"'])
assert_parselist(b'E,""', [b'E', b'', b''])
assert_parselist(b'"F,F"', [b'F,F'])
assert_parselist(b'"G,G', [b'"G', b'G'])
assert_parselist(b'"H \\",\\"H', [b'"H', b',', b'H'])
assert_parselist(b'I,I"', [b'I', b'I"'])
assert_parselist(b'J,"J', [b'J', b'"J'])
assert_parselist(b'K K', [b'K', b'K'])
assert_parselist(b'"K" K', [b'K', b'K'])
assert_parselist(b'L\tL', [b'L', b'L'])
assert_parselist(b'"L"\tL', [b'L', b'', b'L'])
assert_parselist(b'M\x0bM', [b'M', b'M'])
assert_parselist(b'"M"\x0bM', [b'M', b'', b'M'])
assert_parselist(b'"N"  , ,"', [b'N"'])
assert_parselist(b'" ,O,  ', [b'"', b'O'])