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import pytest
from ssg import requirement_specs
def test_parse_version_into_evr():
v = requirement_specs._parse_version_into_evr('1.22.333-4444')
assert v == {'epoch': None, 'version': '1.22.333', 'release': '4444'}
v = requirement_specs._parse_version_into_evr('0')
assert v == {'epoch': None, 'version': '0', 'release': None}
v = requirement_specs._parse_version_into_evr('0-1')
assert v == {'epoch': None, 'version': '0', 'release': '1'}
# Empty version is not the same as version '0'.
with pytest.raises(ValueError):
v = requirement_specs._parse_version_into_evr('')
# we do not support letters anywhere for now
with pytest.raises(ValueError):
v = requirement_specs._parse_version_into_evr('1.0.0-r2')
with pytest.raises(ValueError):
v = requirement_specs._parse_version_into_evr('b1')
# some more tests to ensure that the regex is correct
with pytest.raises(ValueError):
v = requirement_specs._parse_version_into_evr('0:')
with pytest.raises(ValueError):
v = requirement_specs._parse_version_into_evr('-1')
with pytest.raises(ValueError):
v = requirement_specs._parse_version_into_evr(':')
with pytest.raises(ValueError):
v = requirement_specs._parse_version_into_evr('-')
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