tests/unit/unit1399.c

   1 /***************************************************************************
   2  *                                  _   _ ____  _
   3  *  Project                     ___| | | |  _ \| |
   4  *                             / __| | | | |_) | |
   5  *                            | (__| |_| |  _ <| |___
   6  *                             \___|\___/|_| \_\_____|
   7  *
   8  * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
   9  *
  10  * This software is licensed as described in the file COPYING, which
  11  * you should have received as part of this distribution. The terms
  12  * are also available at https://curl.haxx.se/docs/copyright.html.
  13  *
  14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  15  * copies of the Software, and permit persons to whom the Software is
  16  * furnished to do so, under the terms of the COPYING file.
  17  *
  18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19  * KIND, either express or implied.
  20  *
  21  ***************************************************************************/
  22 #include "curlcheck.h"
  23
  24 #include "urldata.h"
  25 #include "progress.h"
  26
  27 static int usec_magnitude = 1000000;
  28
  29 static bool unit_setup(void)
  30 {
  31   return CURLE_OK;
  32 }
  33
  34 static void unit_stop(void)
  35 {
  36
  37 }
  38
  39 /*
  40  * Invoke Curl_pgrsTime for TIMER_STARTSINGLE to trigger the behavior that
  41  * manages is_t_startransfer_set, but fake the t_startsingle time for purposes
  42  * of the test.
  43  */
  44 static void fake_t_startsingle_time(struct Curl_easy *data,
  45                                     struct curltime fake_now,
  46                                     int seconds_offset)
  47 {
  48   Curl_pgrsTime(data, TIMER_STARTSINGLE);
  49   data->progress.t_startsingle.tv_sec = fake_now.tv_sec + seconds_offset;
  50   data->progress.t_startsingle.tv_usec = fake_now.tv_usec;
  51 }
  52
  53 static bool usec_matches_seconds(time_t time_usec, int expected_seconds)
  54 {
  55   int time_sec = (int)(time_usec / usec_magnitude);
  56   bool same = (time_sec == expected_seconds);
  57   fprintf(stderr, "is %d us same as %d seconds? %s\n",
  58           (int)time_usec, expected_seconds,
  59           same?"Yes":"No");
  60   return same;
  61 }
  62
  63 static void expect_timer_seconds(struct Curl_easy *data, int seconds)
  64 {
  65   char msg[64];
  66   snprintf(msg, sizeof(msg), "about %d seconds should have passed", seconds);
  67   fail_unless(usec_matches_seconds(data->progress.t_nslookup, seconds), msg);
  68   fail_unless(usec_matches_seconds(data->progress.t_connect, seconds), msg);
  69   fail_unless(usec_matches_seconds(data->progress.t_appconnect, seconds), msg);
  70   fail_unless(usec_matches_seconds(data->progress.t_pretransfer, seconds),
  71               msg);
  72   fail_unless(usec_matches_seconds(data->progress.t_starttransfer, seconds),
  73               msg);
  74 }
  75
  76 /* Scenario: simulate a redirect. When a redirect occurs, t_nslookup,
  77  * t_connect, t_appconnect, t_pretransfer, and t_starttransfer are addative.
  78  * E.g., if t_starttransfer took 2 seconds initially and took another 1
  79  * second for the redirect request, then the resulting t_starttransfer should
  80  * be 3 seconds. */
  81 UNITTEST_START
  82   struct Curl_easy data;
  83   struct curltime now = Curl_now();
  84
  85   data.progress.t_nslookup = 0;
  86   data.progress.t_connect = 0;
  87   data.progress.t_appconnect = 0;
  88   data.progress.t_pretransfer = 0;
  89   data.progress.t_starttransfer = 0;
  90   data.progress.t_redirect = 0;
  91   data.progress.start.tv_sec = now.tv_sec - 2;
  92   data.progress.start.tv_usec = now.tv_usec;
  93   fake_t_startsingle_time(&data, now, -2);
  94
  95   Curl_pgrsTime(&data, TIMER_NAMELOOKUP);
  96   Curl_pgrsTime(&data, TIMER_CONNECT);
  97   Curl_pgrsTime(&data, TIMER_APPCONNECT);
  98   Curl_pgrsTime(&data, TIMER_PRETRANSFER);
  99   Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
 100
 101   expect_timer_seconds(&data, 2);
 102
 103   /* now simulate the redirect */
 104   data.progress.t_redirect = data.progress.t_starttransfer + 1;
 105   fake_t_startsingle_time(&data, now, -1);
 106
 107   Curl_pgrsTime(&data, TIMER_NAMELOOKUP);
 108   Curl_pgrsTime(&data, TIMER_CONNECT);
 109   Curl_pgrsTime(&data, TIMER_APPCONNECT);
 110   Curl_pgrsTime(&data, TIMER_PRETRANSFER);
 111   /* ensure t_starttransfer is only set on the first invocation by attempting
 112    * to set it twice */
 113   Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
 114   Curl_pgrsTime(&data, TIMER_STARTTRANSFER);
 115
 116   expect_timer_seconds(&data, 3);
 117 UNITTEST_STOP