Re #2910 add unittest for semver release version check

changedetectionio/__init__.py

@@ -24,6 +24,9 @@ from loguru import logger
 app = None
 datastore = None
 
+def get_version():
+    return __version__
+
 # Parent wrapper or OS sends us a SIGTERM/SIGINT, do everything required for a clean shutdown
 def sigshutdown_handler(_signo, _stack_frame):
     global app

changedetectionio/tests/unit/test_semver.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+
+# run from dir above changedetectionio/ dir
+# python3 -m unittest changedetectionio.tests.unit.test_semver
+
+import re
+import unittest
+
+
+# The SEMVER regex
+SEMVER_REGEX = r"^(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$"
+
+# Compile the regex
+semver_pattern = re.compile(SEMVER_REGEX)
+
+class TestSemver(unittest.TestCase):
+    def test_valid_versions(self):
+        """Test valid semantic version strings"""
+        valid_versions = [
+            "1.0.0",
+            "0.1.0",
+            "0.0.1",
+            "1.0.0-alpha",
+            "1.0.0-alpha.1",
+            "1.0.0-0.3.7",
+            "1.0.0-x.7.z.92",
+            "1.0.0-alpha+001",
+            "1.0.0+20130313144700",
+            "1.0.0-beta+exp.sha.5114f85"
+        ]
+        for version in valid_versions:
+            with self.subTest(version=version):
+                self.assertIsNotNone(semver_pattern.match(version), f"Version {version} should be valid")
+
+    def test_invalid_versions(self):
+        """Test invalid semantic version strings"""
+        invalid_versions = [
+            "0.48.06",
+            "1.0",
+            "1.0.0-",
+            "1.0.0-alpha-",
+            "1.0.0+",
+            "1.0.0-alpha+",
+            "01.0.0",
+            "1.01.0",
+            "1.0.01",
+            "1.0.0-",
+            ".1.0.0",
+            "1..0.0"
+        ]
+        for version in invalid_versions:
+            with self.subTest(version=version):
+                self.assertIsNone(semver_pattern.match(version), f"Version {version} should be invalid")
+
+    def test_our_version(self):
+        from changedetectionio import get_version
+        our_version = get_version()
+        self.assertIsNotNone(semver_pattern.match("1.0.0"), f"Our version '{our_version}' should be a valid SEMVER string")
+
+
+if __name__ == '__main__':
+    unittest.main()