Add tests for zone timers using the pytest testing framework

(cherry picked from commit 6aa6d7be58)

bin/tests/system/statschannel/tests-json.py

@@ -0,0 +1,75 @@
+#!/usr/bin/python3
+############################################################################
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+############################################################################
+
+import pytest
+from datetime import datetime
+from helper import fmt, zone_mtime, check_zone_timers, dayzero
+
+
+# JSON helper functions
+def fetch_json(statsip, statsport):
+    import requests
+
+    r = requests.get("http://{}:{}/json/v1/zones".format(statsip, statsport))
+    assert r.status_code == 200
+
+    data = r.json()
+
+    return data["views"]["_default"]["zones"]
+
+
+def load_timers_from_json(zone, primary=True):
+    name = zone['name']
+
+    # Check if the primary zone timer exists
+    assert 'loaded' in zone
+    loaded = datetime.strptime(zone['loaded'], fmt)
+
+    if primary:
+        # Check if the secondary zone timers does not exist
+        assert 'expires' not in zone
+        assert 'refresh' not in zone
+        expires = None
+        refresh = None
+    else:
+        assert 'expires' in zone
+        assert 'refresh' in zone
+        expires = datetime.strptime(zone['expires'], fmt)
+        refresh = datetime.strptime(zone['refresh'], fmt)
+
+    return (name, loaded, expires, refresh)
+
+
+@pytest.mark.json
+@pytest.mark.requests
+def test_zone_timers_primary_json(statsport):
+    statsip = "10.53.0.1"
+    zonedir = "ns1"
+
+    zones = fetch_json(statsip, statsport)
+
+    for zone in zones:
+        (name, loaded, expires, refresh) = load_timers_from_json(zone, True)
+        mtime = zone_mtime(zonedir, name)
+        check_zone_timers(loaded, expires, refresh, mtime)
+
+
+@pytest.mark.json
+@pytest.mark.requests
+def test_zone_timers_secondary_json(statsport):
+    statsip = "10.53.0.3"
+
+    zones = fetch_json(statsip, statsport)
+
+    for zone in zones:
+        (name, loaded, expires, refresh) = load_timers_from_json(zone, False)
+        check_zone_timers(loaded, expires, refresh, dayzero)