ceph/src/test/common/test_json_formatter.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2018 Red Hat Inc.
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Lesser General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2.1 of the License, or (at your option) any later version.
  12  *
  13  */
  14
  15 #include <errno.h>
  16 #include <gtest/gtest.h>
  17
  18 #include "common/ceph_json.h"
  19 #include "common/Clock.h"
  20
  21 #include <sstream>
  22
  23 using namespace std;
  24
  25
  26 TEST(formatter, bug_37706) {
  27   vector<std::string> pgs;
  28
  29    string outstring =
  30 "{\"pg_ready\":true, \"pg_stats\":[ { \"pgid\":\"1.0\", \"version\":\"16'56\",\"reported_seq\":\"62\",\"reported_epoch\":\"20\",\"state\":\"active+clean+inconsistent\",\"last_fresh\":\"2018-12-18 15:21:22.173804\",\"last_change\":\"2018-12-18 15:21:22.173804\",\"last_active\":\"2018-12-18 15:21:22.173804\",\"last_peered\":\"2018-12-18 15:21:22.173804\",\"last_clean\":\"2018-12-18 15:21:22.173804\",\"last_became_active\":\"2018-12-18 15:21:21.347685\",\"last_became_peered\":\"2018-12-18 15:21:21.347685\",\"last_unstale\":\"2018-12-18 15:21:22.173804\",\"last_undegraded\":\"2018-12-18 15:21:22.173804\",\"last_fullsized\":\"2018-12-18 15:21:22.173804\",\"mapping_epoch\":19,\"log_start\":\"0'0\",\"ondisk_log_start\":\"0'0\",\"created\":7,\"last_epoch_clean\":20,\"parent\":\"0.0\",\"parent_split_bits\":0,\"last_scrub\":\"16'56\",\"last_scrub_stamp\":\"2018-12-18 15:21:22.173684\",\"last_deep_scrub\":\"0'0\",\"last_deep_scrub_stamp\":\"2018-12-18 15:21:06.514438\",\"last_clean_scrub_stamp\":\"2018-12-18 15:21:06.514438\",\"log_size\":56,\"ondisk_log_size\":56,\"stats_invalid\":false,\"dirty_stats_invalid\":false,\"omap_stats_invalid\":false,\"hitset_stats_invalid\":false,\"hitset_bytes_stats_invalid\":false,\"pin_stats_invalid\":false,\"manifest_stats_invalid\":false,\"snaptrimq_len\":0,\"stat_sum\":{\"num_bytes\":24448,\"num_objects\":36,\"num_object_clones\":20,\"num_object_copies\":36,\"num_objects_missing_on_primary\":0,\"num_objects_missing\":0,\"num_objects_degraded\":0,\"num_objects_misplaced\":0,\"num_objects_unfound\":0,\"num_objects_dirty\":36,\"num_whiteouts\":3,\"num_read\":0,\"num_read_kb\":0,\"num_write\":36,\"num_write_kb\":50,\"num_scrub_errors\":20,\"num_shallow_scrub_errors\":20,\"num_deep_scrub_errors\":0,\"num_objects_recovered\":0,\"num_bytes_recovered\":0,\"num_keys_recovered\":0,\"num_objects_omap\":0,\"num_objects_hit_set_archive\":0,\"num_bytes_hit_set_archive\":0,\"num_flush\":0,\"num_flush_kb\":0,\"num_evict\":0,\"num_evict_kb\":0,\"num_promote\":0,\"num_flush_mode_high\":0,\"num_flush_mode_low\":0,\"num_evict_mode_some\":0,\"num_evict_mode_full\":0,\"num_objects_pinned\":0,\"num_legacy_snapsets\":0,\"num_large_omap_objects\":0,\"num_objects_manifest\":0},\"up\":[0],\"acting\":[0],\"blocked_by\":[],\"up_primary\":0,\"acting_primary\":0,\"purged_snaps\":[] }]}";
  31
  32
  33    JSONParser parser;
  34    ASSERT_TRUE(parser.parse(outstring.c_str(), outstring.size()));
  35
  36    vector<string> v;
  37
  38    ASSERT_TRUE (!parser.is_array());
  39
  40    JSONObj *pgstat_obj = parser.find_obj("pg_stats");
  41    ASSERT_TRUE (!!pgstat_obj);
  42    auto s = pgstat_obj->get_data();
  43
  44    ASSERT_TRUE(!s.empty());
  45    JSONParser pg_stats;
  46    ASSERT_TRUE(pg_stats.parse(s.c_str(), s.length()));
  47    v = pg_stats.get_array_elements();
  48
  49    for (auto i : v) {
  50      JSONParser pg_json;
  51      ASSERT_TRUE(pg_json.parse(i.c_str(), i.length()));
  52      string pgid;
  53      JSONDecoder::decode_json("pgid", pgid, &pg_json);
  54      pgs.emplace_back(std::move(pgid));
  55    }
  56
  57    ASSERT_EQ(pgs.back(), "1.0");
  58 }
  59
  60 TEST(formatter, utime)
  61 {
  62   JSONFormatter formatter;
  63
  64   utime_t input = ceph_clock_now();
  65   input.gmtime_nsec(formatter.dump_stream("timestamp"));
  66
  67   bufferlist bl;
  68   formatter.flush(bl);
  69
  70   JSONParser parser;
  71   EXPECT_TRUE(parser.parse(bl.c_str(), bl.length()));
  72
  73   cout << input << " -> '" << std::string(bl.c_str(), bl.length())
  74        << std::endl;
  75
  76   utime_t output;
  77   decode_json_obj(output, &parser);
  78   cout << " -> " << output << std::endl;
  79   EXPECT_EQ(input.sec(), output.sec());
  80   EXPECT_EQ(input.nsec(), output.nsec());
  81 }