Initial import of cf-temp-email deploy CLI

tests/test_environment.py

@@ -0,0 +1,16 @@
+from __future__ import annotations
+
+import pytest
+
+from cf_temp_email_deploy.environment import parse_semver
+from cf_temp_email_deploy.errors import EnvironmentCheckError
+
+
+def test_parse_semver_accepts_prefixed_versions() -> None:
+    assert parse_semver("v24.14.0") == (24, 14, 0)
+
+
+def test_parse_semver_rejects_invalid_versions() -> None:
+    with pytest.raises(EnvironmentCheckError):
+        parse_semver("unknown")
+