added tests for iwd

test_everything.py

@@ -18,6 +18,7 @@ def redis_super_storage_instance(mocker):
     mocker.patch("redis.from_url")
     yield RedisSuperStorage(REDIS_URL, REDIS_TIMEOUT)
 
+
 @pytest.fixture
 def ip_watchdog_instance(mocker, redis_super_storage_instance):
     mocker.patch("socket.gethostname", side_effect=lambda: CURRENT_HOSTNAME)
@@ -188,3 +189,43 @@ def test_rst_get_consumer_list_expire_while_get(redis_super_storage_instance):
     redis_super_storage_instance.r.get.assert_called_once_with(b"consumer_uuid1")
 
 
+# ========================================
+# IPWatchdog
+# ========================================
+
+# __init__
+
+def test_ipw_instantiate(mocker, redis_super_storage_instance):
+    mocker.patch("socket.gethostname", side_effect=lambda: "test")
+    ipw = IPWatchdog(redis_super_storage_instance)
+
+    assert ipw._host_name == "test"
+    assert ipw._redis_store == redis_super_storage_instance
+    socket.gethostname.assert_called_once()
+
+
+def test_ipw_is_changed_false(mocker, ip_watchdog_instance):
+    ip_watchdog_instance._redis_store.r.get.side_effect = lambda a: CURRENT_IPADDR.encode("utf-8")
+
+    changed, ip = ip_watchdog_instance.ip_changed()
+
+    assert not changed
+    assert ip == CURRENT_IPADDR
+
+    ip_watchdog_instance._redis_store.r.get.assert_called_once_with("current_ip")
+    assert not ip_watchdog_instance._redis_store.r.set.called
+    socket.gethostbyname.assert_called_once_with(CURRENT_HOSTNAME)
+
+
+def test_ipw_is_changed_true(mocker, ip_watchdog_instance):
+    mocker.patch("socket.gethostbyname", side_effect=lambda a: "192.168.2.123")
+    ip_watchdog_instance._redis_store.r.get.side_effect = lambda a: CURRENT_IPADDR.encode("utf-8")
+
+    changed, ip = ip_watchdog_instance.ip_changed()
+
+    assert changed
+    assert ip == "192.168.2.123"
+
+    ip_watchdog_instance._redis_store.r.get.assert_called_once_with("current_ip")
+    assert ip_watchdog_instance._redis_store.r.set.called_once_with("current_ip", b"192.168.2.123")
+    socket.gethostbyname.assert_called_once_with(CURRENT_HOSTNAME)