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from __future__ import unicode_literals

from setuptools_scm.config import Configuration
import re
import pytest


@pytest.mark.parametrize(
    "tag, expected_version",
    [
        ("apache-arrow-0.9.0", "0.9.0"),
        ("arrow-0.9.0", "0.9.0"),
        ("arrow-0.9.0-rc", "0.9.0-rc"),
        ("arrow-1", "1"),
        ("arrow-1+", "1"),
        ("arrow-1+foo", "1"),
        ("arrow-1.1+foo", "1.1"),
        ("v1.1", "v1.1"),
        ("V1.1", "V1.1"),
    ],
)
def test_tag_regex(tag, expected_version):
    config = Configuration()
    match = config.tag_regex.match(tag)
    assert match
    version = match.group("version")
    assert version == expected_version


def test_config_from_pyproject(tmpdir):
    fn = tmpdir / "pyproject.toml"
    fn.write_text("[tool.setuptools_scm]\n", encoding="utf-8")
    assert Configuration.from_file(str(fn))


def test_config_regex_init():
    tag_regex = re.compile(r"v(\d+)")
    conf = Configuration(tag_regex=tag_regex)
    assert conf.tag_regex is tag_regex