From 34a4695e81b02d879cdfc426be47503c496ab6d6 Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Fri, 5 Feb 2016 11:52:27 +0100
Subject: [PATCH] test: add clientlog unit test

---
 test/unit/clientlog.c | 84 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 test/unit/clientlog.c

diff --git a/test/unit/clientlog.c b/test/unit/clientlog.c
new file mode 100644
index 0000000..2dda992
--- /dev/null
+++ b/test/unit/clientlog.c
@@ -0,0 +1,84 @@
+/*
+ **********************************************************************
+ * Copyright (C) Miroslav Lichvar  2016
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * 
+ **********************************************************************
+ */
+
+#include <clientlog.c>
+#include "test.h"
+
+void
+test_unit(void)
+{
+  int i, j, index;
+  struct timeval tv;
+  IPAddr ip;
+  char conf[][100] = {
+    "clientloglimit 10000",
+    "ratelimit interval 3 burst 4 leak 3",
+    "cmdratelimit interval 3 burst 4 leak 3",
+  };
+
+  CNF_Initialise(0);
+  for (i = 0; i < sizeof conf / sizeof conf[0]; i++)
+    CNF_ParseLine(NULL, i + 1, conf[i]);
+
+  CLG_Initialise();
+
+  TEST_CHECK(ARR_GetSize(records) == 16);
+
+  for (i = 0; i < 500; i++) {
+    DEBUG_LOG(0, "iteration %d", i);
+
+    tv.tv_sec = (time_t)random() & 0x0fffffff;
+    tv.tv_usec = 0;
+
+    for (j = 0; j < 1000; j++) {
+      get_random_address(&ip, IPADDR_UNSPEC, i % 8 ? -1 : i / 8 % 9);
+      DEBUG_LOG(0, "address %s", UTI_IPToString(&ip));
+
+      if (random() % 2) {
+        index = CLG_LogNTPAccess(&ip, &tv);
+        TEST_CHECK(index >= 0);
+        CLG_LimitNTPResponseRate(index);
+      } else {
+        index = CLG_LogCommandAccess(&ip, &tv);
+        TEST_CHECK(index >= 0);
+        CLG_LimitCommandResponseRate(index);
+      }
+
+      UTI_AddDoubleToTimeval(&tv, (1 << random() % 14) / 100.0, &tv);
+    }
+  }
+
+  DEBUG_LOG(0, "records %d", ARR_GetSize(records));
+  TEST_CHECK(ARR_GetSize(records) == 128);
+
+  for (i = j = 0; i < 10000; i++) {
+    tv.tv_sec += 1;
+    index = CLG_LogNTPAccess(&ip, &tv);
+    TEST_CHECK(index >= 0);
+    if (!CLG_LimitNTPResponseRate(index))
+      j++;
+  }
+
+  DEBUG_LOG(0, "requests %u responses %u", i, j);
+  TEST_CHECK(j * 4 < i && j * 6 > i);
+
+  CLG_Finalise();
+  CNF_Finalise();
+}