fix: allow partial versions in semver

Signed-off-by: Lea Konvalinka <lea.konvalinka@dynatrace.com>

Author: leakonvalinka

providers/openfeature-provider-flagd/openfeature/test-harness

@@ -176,4 +176,10 @@ def parse_version(arg: typing.Any) -> semver.Version:
     if version.startswith(("v", "V")):
         version = version[1:]
 
+    # Pad partial versions (e.g. "1" → "1.0.0", "1.2" → "1.2.0")
+    numeric_part = version.split("-")[0].split("+")[0]
+    dot_count = numeric_part.count(".")
+    if dot_count < 2:
+        version = version + ".0" * (2 - dot_count)
+
     return semver.Version.parse(version)

tools/openfeature-flagd-core/src/openfeature/contrib/tools/flagd/core/targeting/custom_ops.py

@@ -113,6 +113,9 @@ def test_minor_no_match(self) -> None:
     def test_v_prefix(self) -> None:
         assert sem_ver({}, "v2.0.0", "=", "2.0.0") is True
 
+    def test_partial_version(self) -> None:
+        assert sem_ver({}, "2", "=", "2.0.0") is True
+
     def test_invalid_version(self) -> None:
         result = sem_ver({}, "not-a-version", "=", "1.0.0")
         assert result is None