Add local web UI for native packs (RBT-WP-0004-T02)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: sonnet
Assistant-Process: 295952@bnt-lap001
Assistant-Session: e93f64ad-516c-46eb-9666-aad8d300c477

tests/test_ui.py

@@ -0,0 +1,68 @@
+import http.client
+import re
+import shutil
+import threading
+from pathlib import Path
+from urllib.parse import urlencode
+
+import pytest
+
+from rtut import ui
+
+ROOT = Path(__file__).resolve().parent.parent
+
+
+@pytest.fixture
+def srv(tmp_path):
+    d = tmp_path / "runbooks" / "hello"; d.mkdir(parents=True)
+    shutil.copy(ROOT / "runbooks/example-hello/pack.yaml", d / "pack.yaml")
+    s = ui.serve([tmp_path], 0)
+    threading.Thread(target=s.serve_forever, daemon=True).start()
+    yield s
+    s.shutdown()
+
+
+def req(s, method, path, form=None, host="127.0.0.1"):
+    c = http.client.HTTPConnection("127.0.0.1", s.server_address[1])
+    body = urlencode(form) if form is not None else None
+    c.request(method, path, body, {"Host": host, "Content-Type": "application/x-www-form-urlencoded"})
+    r = c.getresponse()
+    return r.status, r.getheader("Location"), r.read().decode()
+
+
+def test_index_lists_pack(srv):
+    st, _, body = req(srv, "GET", "/")
+    assert st == 200 and "Example - check a host answers" in body
+
+
+def test_foreign_host_and_missing_token_refused(srv):
+    assert req(srv, "GET", "/", host="evil.example")[0] == 403
+    assert req(srv, "POST", "/run/new/0", {"operator": "bernd"})[0] == 403
+
+
+def test_walk_a_run(srv):
+    t = srv.app.token
+    st, loc, _ = req(srv, "POST", "/run/new/0", {"_t": t, "operator": "bernd", "p_host": "localhost", "p_count": "1"})
+    assert st == 303 and loc.startswith("/run/0/")
+    assert req(srv, "POST", loc + "/ping/start", {"_t": t})[0] == 303
+    st, _, body = req(srv, "GET", loc)
+    assert "ping -c 1 localhost" in body and "Run check" in body
+    req(srv, "POST", loc + "/ping/verify", {"_t": t, "yes": "1"})
+    st, _, body = req(srv, "GET", loc)
+    if "passed" in body and "failed" not in body.split("Threat")[0].replace("Mark failed", ""):
+        assert req(srv, "POST", loc + "/ping/done", {"_t": t})[0] == 303
+        assert "All steps done" in req(srv, "GET", loc)[2]
+
+
+def test_unsafe_parameter_rejected_and_escaped(srv):
+    t = srv.app.token
+    st, _, body = req(srv, "POST", "/run/new/0", {"_t": t, "operator": "bernd", "p_host": "<script>x;"})
+    assert st == 400 and "<script>x" not in body
+
+
+def test_secret_in_note_refused(srv):
+    t = srv.app.token
+    _, loc, _ = req(srv, "POST", "/run/new/0", {"_t": t, "operator": "bernd"})
+    req(srv, "POST", loc + "/ping/start", {"_t": t})
+    st, _, body = req(srv, "POST", loc + "/ping/fail", {"_t": t, "note": "hvs.ABCDEFGHIJKLMN"})
+    assert st == 400 and "secret-looking" in body