src/unit_test.c

   1 #include <stdio.h>
   2
   3 #include "storage_number.h"
   4 #include "rrd.h"
   5 #include "log.h"
   6 #include "web_buffer.h"
   7
   8 int unit_test_storage()
   9 {
  10         char buffer[100];
  11         storage_number s;
  12         calculated_number c, a = 0, d, f;
  13         int i, j, g, r = 0, l;
  14
  15         for(g = -1; g <= 1 ; g++) {
  16                 a = 0;
  17
  18                 if(!g) continue;
  19
  20                 for(j = 0; j < 9 ;j++) {
  21                         a += 0.0000001;
  22                         c = a * g;
  23                         for(i = 0; i < 21 ;i++, c *= 10) {
  24                                 s = pack_storage_number(c);
  25                                 d = unpack_storage_number(s);
  26
  27                                 f = d / c;
  28
  29                                 l = print_calculated_number(buffer, d);
  30
  31                                 if(f < 0.99999 || f > 1.00001) {
  32                                         fprintf(stderr, "\nERROR\n" CALCULATED_NUMBER_FORMAT " original\n" CALCULATED_NUMBER_FORMAT " unpacked, (stored as 0x%08X)\n%s printed as %d bytes\n", c, d, s, buffer, l);
  33                                         r++;
  34                                 }
  35                                 else {
  36                                         fprintf(stderr, "\nOK\n" CALCULATED_NUMBER_FORMAT " original\n" CALCULATED_NUMBER_FORMAT " unpacked, (stored as 0x%08X)\n%s printed as %d bytes\n", c, d, s, buffer, l);
  37                                 }
  38                         }
  39                 }
  40         }
  41
  42         return r;
  43 }
  44
  45 int unit_test(long delay, long shift)
  46 {
  47         static int repeat = 0;
  48         repeat++;
  49
  50         char name[101];
  51         snprintf(name, 100, "unittest-%d-%ld-%ld", repeat, delay, shift);
  52
  53         debug_flags = 0xffffffff;
  54         memory_mode = NETDATA_MEMORY_MODE_RAM;
  55         update_every = 1;
  56
  57         int do_abs = 1;
  58         int do_inc = 1;
  59         int do_abst = 1;
  60         int do_absi = 1;
  61
  62         RRD_STATS *st = rrd_stats_create("netdata", name, name, "netdata", "Unit Testing", "a value", 1, 1, CHART_TYPE_LINE);
  63         st->debug = 1;
  64
  65         RRD_DIMENSION *rdabs = NULL;
  66         RRD_DIMENSION *rdinc = NULL;
  67         RRD_DIMENSION *rdabst = NULL;
  68         RRD_DIMENSION *rdabsi = NULL;
  69
  70         if(do_abs) rdabs = rrd_stats_dimension_add(st, "absolute", "absolute", 1, 1, RRD_DIMENSION_ABSOLUTE);
  71         if(do_inc) rdinc = rrd_stats_dimension_add(st, "incremental", "incremental", 1, 1 * update_every, RRD_DIMENSION_INCREMENTAL);
  72         if(do_abst) rdabst = rrd_stats_dimension_add(st, "percentage-of-absolute-row", "percentage-of-absolute-row", 1, 1, RRD_DIMENSION_PCENT_OVER_ROW_TOTAL);
  73         if(do_absi) rdabsi = rrd_stats_dimension_add(st, "percentage-of-incremental-row", "percentage-of-incremental-row", 1, 1, RRD_DIMENSION_PCENT_OVER_DIFF_TOTAL);
  74
  75         long increment = 1000;
  76         collected_number i = 0;
  77
  78         unsigned long c, dimensions = 0;
  79         RRD_DIMENSION *rd;
  80         for(rd = st->dimensions ; rd ; rd = rd->next) dimensions++;
  81
  82         for(c = 0; c < 20 ;c++) {
  83                 i += increment;
  84
  85                 fprintf(stderr, "\n\nLOOP = %lu, DELAY = %ld, VALUE = " COLLECTED_NUMBER_FORMAT "\n", c, delay, i);
  86                 if(c) {
  87                         rrd_stats_next_usec(st, delay);
  88                 }
  89                 if(do_abs) rrd_stats_dimension_set(st, "absolute", i);
  90                 if(do_inc) rrd_stats_dimension_set(st, "incremental", i);
  91                 if(do_abst) rrd_stats_dimension_set(st, "percentage-of-absolute-row", i);
  92                 if(do_absi) rrd_stats_dimension_set(st, "percentage-of-incremental-row", i);
  93
  94                 if(!c) {
  95                         gettimeofday(&st->last_collected_time, NULL);
  96                         st->last_collected_time.tv_usec = shift;
  97                 }
  98
  99                 // prevent it from deleting the dimensions
 100                 for(rd = st->dimensions ; rd ; rd = rd->next) rd->last_collected_time.tv_sec = st->last_collected_time.tv_sec;
 101
 102                 rrd_stats_done(st);
 103         }
 104
 105         unsigned long oincrement = increment;
 106         increment = increment * st->update_every * 1000000 / delay;
 107         fprintf(stderr, "\n\nORIGINAL INCREMENT: %lu, INCREMENT %lu, DELAY %lu, SHIFT %lu\n", oincrement * 10, increment * 10, delay, shift);
 108
 109         int ret = 0;
 110         storage_number v;
 111         for(c = 0 ; c < st->counter ; c++) {
 112                 fprintf(stderr, "\nPOSITION: c = %lu, VALUE %lu\n", c, (oincrement + c * increment + increment * (1000000 - shift) / 1000000 )* 10);
 113
 114                 for(rd = st->dimensions ; rd ; rd = rd->next) {
 115                         fprintf(stderr, "\t %s " STORAGE_NUMBER_FORMAT "   ->   ", rd->id, rd->values[c]);
 116
 117                         if(rd == rdabs) v =
 118                                 (         oincrement
 119                                         + (increment * (1000000 - shift) / 1000000)
 120                                         + c * increment
 121                                 ) * 10;
 122
 123                         else if(rd == rdinc) v = (c?(increment):(increment * (1000000 - shift) / 1000000)) * 10;
 124                         else if(rd == rdabst) v = oincrement / dimensions;
 125                         else if(rd == rdabsi) v = oincrement / dimensions;
 126                         else v = 0;
 127
 128                         if(v == rd->values[c]) fprintf(stderr, "passed.\n");
 129                         else {
 130                                 fprintf(stderr, "ERROR! (expected " STORAGE_NUMBER_FORMAT ")\n", v);
 131                                 ret = 1;
 132                         }
 133                 }
 134         }
 135
 136         if(ret)
 137                 fprintf(stderr, "\n\nUNIT TEST(%ld, %ld) FAILED\n\n", delay, shift);
 138
 139         return ret;
 140 }
 141