From df3ba724d53b589095225d8309a340a06fbc3ed0 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@inktank.com>
Date: Sat, 22 Feb 2014 09:17:44 -0800
Subject: [PATCH] mon/PGMap: add unit test for min_last_epoch_clean

Signed-off-by: Sage Weil <sage@inktank.com>
---
 src/test/Makefile.am  |  5 +++
 src/test/mon/PGMap.cc | 96 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 101 insertions(+)
 create mode 100644 src/test/mon/PGMap.cc

diff --git a/src/test/Makefile.am b/src/test/Makefile.am
index 4126d5b82a029..fd7a3fe4e15d3 100644
--- a/src/test/Makefile.am
+++ b/src/test/Makefile.am
@@ -536,6 +536,11 @@ unittest_mon_moncap_LDADD = $(LIBMON) $(UNITTEST_LDADD) $(CEPH_GLOBAL)
 unittest_mon_moncap_CXXFLAGS = $(UNITTEST_CXXFLAGS)
 check_PROGRAMS += unittest_mon_moncap
 
+unittest_mon_pgmap_SOURCES = test/mon/PGMap.cc
+unittest_mon_pgmap_LDADD = $(LIBMON) $(UNITTEST_LDADD) $(CEPH_GLOBAL)
+unittest_mon_pgmap_CXXFLAGS = $(UNITTEST_CXXFLAGS)
+check_PROGRAMS += unittest_mon_pgmap
+
 #if WITH_RADOSGW
 #unittest_librgw_SOURCES = test/librgw.cc
 #unittest_librgw_LDFLAGS = -lrt $(PTHREAD_CFLAGS) -lcurl ${AM_LDFLAGS}
diff --git a/src/test/mon/PGMap.cc b/src/test/mon/PGMap.cc
new file mode 100644
index 0000000000000..20dc27f39caa5
--- /dev/null
+++ b/src/test/mon/PGMap.cc
@@ -0,0 +1,96 @@
+// -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2014 Inktank <info@inktank.com>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License version 2, as published by the Free Software
+ * Foundation.  See file COPYING.
+ */
+
+#include "mon/PGMap.h"
+#include "gtest/gtest.h"
+
+#include "common/ceph_argparse.h"
+#include "global/global_init.h"
+#include "global/global_context.h"
+
+TEST(pgmap, min_last_epoch_clean)
+{
+  PGMap pg_map;
+  PGMap::Incremental inc;
+  osd_stat_t os;
+  pg_stat_t ps;
+
+  ps.last_epoch_clean = 999;
+  inc.pg_stat_updates[pg_t(9,9)] = ps;
+  inc.version = 1;
+  inc.update_stat(0, 123, os);
+  pg_map.apply_incremental(g_ceph_context, inc);
+  ASSERT_EQ(123, pg_map.calc_min_last_epoch_clean());
+
+  inc = PGMap::Incremental();
+  inc.version = 2;
+  inc.update_stat(1, 222, os);
+  pg_map.apply_incremental(g_ceph_context, inc);
+  ASSERT_EQ(123, pg_map.calc_min_last_epoch_clean());
+
+  inc = PGMap::Incremental();
+  inc.version = 3;
+  inc.update_stat(0, 222, os);
+  pg_map.apply_incremental(g_ceph_context, inc);
+  ASSERT_EQ(222, pg_map.calc_min_last_epoch_clean());
+
+  inc = PGMap::Incremental();
+  inc.version = 4;
+  inc.update_stat(0, 333, os);
+  inc.update_stat(1, 333, os);
+  pg_map.apply_incremental(g_ceph_context, inc);
+  ASSERT_EQ(333, pg_map.calc_min_last_epoch_clean());
+
+  ps.last_epoch_clean = 222;
+  inc = PGMap::Incremental();
+  inc.version = 5;
+  inc.pg_stat_updates[pg_t(1,1)] = ps;
+  pg_map.apply_incremental(g_ceph_context, inc);
+  ASSERT_EQ(222, pg_map.calc_min_last_epoch_clean());
+
+  ps.last_epoch_clean = 223;
+  inc = PGMap::Incremental();
+  inc.version = 6;
+  inc.pg_stat_updates[pg_t(1,1)] = ps;
+  pg_map.apply_incremental(g_ceph_context, inc);
+  ASSERT_EQ(223, pg_map.calc_min_last_epoch_clean());
+
+  ps.last_epoch_clean = 224;
+  inc = PGMap::Incremental();
+  inc.version = 7;
+  inc.pg_stat_updates[pg_t(2,2)] = ps;
+  pg_map.apply_incremental(g_ceph_context, inc);
+  ASSERT_EQ(223, pg_map.calc_min_last_epoch_clean());
+
+  ps.last_epoch_clean = 225;
+  inc = PGMap::Incremental();
+  inc.version = 8;
+  inc.pg_stat_updates[pg_t(1,1)] = ps;
+  pg_map.apply_incremental(g_ceph_context, inc);
+  ASSERT_EQ(224, pg_map.calc_min_last_epoch_clean());
+
+}
+
+
+
+int main(int argc, char **argv) {
+  vector<const char*> args;
+  argv_to_vec(argc, (const char **)argv, args);
+  env_to_vec(args);
+
+  vector<const char*> def_args;
+  global_init(&def_args, args, CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_UTILITY, 0);
+  common_init_finish(g_ceph_context);
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}
-- 
2.39.5