test-date.c

   1 #include "cache.h"
   2
   3 static const char *usage_msg = "\n"
   4 "  test-date relative [time_t]...\n"
   5 "  test-date show:<format> [time_t]...\n"
   6 "  test-date parse [date]...\n"
   7 "  test-date approxidate [date]...\n";
   8
   9 static void show_relative_dates(char **argv, struct timeval *now)
  10 {
  11         struct strbuf buf = STRBUF_INIT;
  12
  13         for (; *argv; argv++) {
  14                 time_t t = atoi(*argv);
  15                 show_date_relative(t, 0, now, &buf);
  16                 printf("%s -> %s\n", *argv, buf.buf);
  17         }
  18         strbuf_release(&buf);
  19 }
  20
  21 static void show_dates(char **argv, const char *format)
  22 {
  23         struct date_mode mode;
  24
  25         parse_date_format(format, &mode);
  26         for (; *argv; argv++) {
  27                 char *arg = *argv;
  28                 time_t t;
  29                 int tz;
  30
  31                 /*
  32                  * Do not use our normal timestamp parsing here, as the point
  33                  * is to test the formatting code in isolation.
  34                  */
  35                 t = strtol(arg, &arg, 10);
  36                 while (*arg == ' ')
  37                         arg++;
  38                 tz = atoi(arg);
  39
  40                 printf("%s -> %s\n", *argv, show_date(t, tz, &mode));
  41         }
  42 }
  43
  44 static void parse_dates(char **argv, struct timeval *now)
  45 {
  46         struct strbuf result = STRBUF_INIT;
  47
  48         for (; *argv; argv++) {
  49                 unsigned long t;
  50                 int tz;
  51
  52                 strbuf_reset(&result);
  53                 parse_date(*argv, &result);
  54                 if (sscanf(result.buf, "%lu %d", &t, &tz) == 2)
  55                         printf("%s -> %s\n",
  56                                *argv, show_date(t, tz, DATE_MODE(ISO8601)));
  57                 else
  58                         printf("%s -> bad\n", *argv);
  59         }
  60         strbuf_release(&result);
  61 }
  62
  63 static void parse_approxidate(char **argv, struct timeval *now)
  64 {
  65         for (; *argv; argv++) {
  66                 time_t t;
  67                 t = approxidate_relative(*argv, now);
  68                 printf("%s -> %s\n", *argv, show_date(t, 0, DATE_MODE(ISO8601)));
  69         }
  70 }
  71
  72 int main(int argc, char **argv)
  73 {
  74         struct timeval now;
  75         const char *x;
  76
  77         x = getenv("TEST_DATE_NOW");
  78         if (x) {
  79                 now.tv_sec = atoi(x);
  80                 now.tv_usec = 0;
  81         }
  82         else
  83                 gettimeofday(&now, NULL);
  84
  85         argv++;
  86         if (!*argv)
  87                 usage(usage_msg);
  88         if (!strcmp(*argv, "relative"))
  89                 show_relative_dates(argv+1, &now);
  90         else if (skip_prefix(*argv, "show:", &x))
  91                 show_dates(argv+1, x);
  92         else if (!strcmp(*argv, "parse"))
  93                 parse_dates(argv+1, &now);
  94         else if (!strcmp(*argv, "approxidate"))
  95                 parse_approxidate(argv+1, &now);
  96         else
  97                 usage(usage_msg);
  98         return 0;
  99 }