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feature/deps-regex-semver #5370

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Jul 6, 2022
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feature/deps-regex-semver #5370

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74986d2
feature/deps-regex-semver
fivetran-joemarkiewicz Jun 13, 2022
0731cec
pre-commit fixes
fivetran-joemarkiewicz Jun 14, 2022
40795f7
applying review updates
fivetran-joemarkiewicz Jul 5, 2022
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8 changes: 8 additions & 0 deletions .changes/unreleased/Under the Hood-20220613-170703.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@
kind: Under the Hood
body: Added the suggested RegEx to check the SemVer string within a package dependency
and improved invalid version error handling.
time: 2022-06-13T17:07:03.773668-05:00
custom:
Author: fivetran-joemarkiewicz
Issue: "5201"
PR: "5370"
6 changes: 3 additions & 3 deletions core/dbt/semver.py
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Original file line number Diff line number Diff line change
Expand Up @@ -31,9 +31,9 @@ class VersionSpecification(dbtClassMixin):


_MATCHERS = r"(?P<matcher>\>=|\>|\<|\<=|=)?"
_NUM_NO_LEADING_ZEROS = r"(0|[1-9][0-9]*)"
_NUM_NO_LEADING_ZEROS = r"(0|[1-9]\d*)"
_ALPHA = r"[0-9A-Za-z-]*"
_ALPHA_NO_LEADING_ZEROS = r"(0|[1-9A-Za-z-][0-9A-Za-z-]*)"
_ALPHA_NO_LEADING_ZEROS = r"(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)"

_BASE_VERSION_REGEX = r"""
(?P<major>{num_no_leading_zeros})\.
Expand Down Expand Up @@ -95,7 +95,7 @@ def from_version_string(cls, version_string):

if not match:
raise dbt.exceptions.SemverException(
'Could not parse version "{}"'.format(version_string)
f'"{version_string}" is not a valid semantic version.'
)

matched = {k: v for k, v in match.groupdict().items() if v is not None}
Expand Down
27 changes: 27 additions & 0 deletions test/unit/test_semver.py
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Original file line number Diff line number Diff line change
@@ -1,11 +1,19 @@
import unittest
import itertools

from typing import List
from dbt.exceptions import VersionsNotCompatibleException
from dbt.semver import VersionSpecifier, UnboundedVersionSpecifier, \
VersionRange, reduce_versions, versions_compatible, \
resolve_to_specific_version, filter_installable

def semver_regex_versioning(versions: List[str]) -> bool:
for version_string in versions:
try:
VersionSpecifier.from_version_string(version_string)
except Exception:
return False
return True

def create_range(start_version_string, end_version_string):
start = UnboundedVersionSpecifier()
Expand Down Expand Up @@ -45,6 +53,25 @@ def test__versions_compatible(self):
self.assertFalse(
versions_compatible('0.4.5a1', '0.4.5a2'))

def test__semver_regex_versions(self):
self.assertTrue(semver_regex_versioning(
['0.0.4','1.2.3','10.20.30','1.1.2-prerelease+meta','1.1.2+meta','1.1.2+meta-valid',
'1.0.0-alpha','1.0.0-beta','1.0.0-alpha.beta','1.0.0-alpha.beta.1','1.0.0-alpha.1',
'1.0.0-alpha0.valid','1.0.0-alpha.0valid','1.0.0-alpha-a.b-c-somethinglong+build.1-aef.1-its-okay',
'1.0.0-rc.1+build.1','2.0.0-rc.1+build.123','1.2.3-beta','10.2.3-DEV-SNAPSHOT','1.2.3-SNAPSHOT-123',
'1.0.0','2.0.0','1.1.7','2.0.0+build.1848','2.0.1-alpha.1227','1.0.0-alpha+beta','1.2.3----RC-SNAPSHOT.12.9.1--.12+788',
'1.2.3----R-S.12.9.1--.12+meta','1.2.3----RC-SNAPSHOT.12.9.1--.12','1.0.0+0.build.1-rc.10000aaa-kk-0.1',
'99999999999999999999999.999999999999999999.99999999999999999','1.0.0-0A.is.legal']))

self.assertFalse(semver_regex_versioning(
['1','1.2','1.2.3-0123','1.2.3-0123.0123','1.1.2+.123','+invalid','-invalid','-invalid+invalid',
'-invalid.01','alpha','alpha.beta','alpha.beta.1','alpha.1','alpha+beta','alpha_beta','alpha.',
'alpha..','beta','1.0.0-alpha_beta','-alpha.','1.0.0-alpha..','1.0.0-alpha..1','1.0.0-alpha...1',
'1.0.0-alpha....1','1.0.0-alpha.....1','1.0.0-alpha......1','1.0.0-alpha.......1','01.1.1','1.01.1',
'1.1.01','1.2','1.2.3.DEV','1.2-SNAPSHOT','1.2.31.2.3----RC-SNAPSHOT.12.09.1--..12+788','1.2-RC-SNAPSHOT',
'-1.0.3-gamma+b7718','+justmeta','9.8.7+meta+meta','9.8.7-whatever+meta+meta',
'99999999999999999999999.999999999999999999.99999999999999999----RC-SNAPSHOT.12.09.1--------------------------------..12']))

def test__reduce_versions(self):
self.assertVersionSetResult(
['0.0.1', '0.0.1'],
Expand Down