feat: prepare restricted acme-dns renewal

tests/unit/test_acme_dns.py

@@ -0,0 +1,21 @@
+"""Unit coverage for the public wildcard-secret version label."""
+
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).parents[2] / "runner"))
+import warm_reconcile as wr  # noqa: E402
+
+
+def test_wildcard_secret_version_is_stable_and_does_not_need_key(tmp_path):
+    (tmp_path / "fullchain.pem").write_text("public certificate chain\n")
+    assert wr.wildcard_secret_version(str(tmp_path)) == wr.wildcard_secret_version(str(tmp_path))
+    assert wr.wildcard_secret_version(str(tmp_path)).startswith("v")
+
+
+def test_wildcard_secret_version_changes_with_certificate_chain(tmp_path):
+    chain = tmp_path / "fullchain.pem"
+    chain.write_text("first public certificate chain\n")
+    first = wr.wildcard_secret_version(str(tmp_path))
+    chain.write_text("replacement public certificate chain\n")
+    assert wr.wildcard_secret_version(str(tmp_path)) != first