git.ozlabs.org Git - ccan/blob - tools/ccanlint/tests/run_tests_valgrind.c

   1 #include <tools/ccanlint/ccanlint.h>
   2 #include <tools/tools.h>
   3 #include <ccan/talloc/talloc.h>
   4 #include <ccan/str/str.h>
   5 #include <sys/types.h>
   6 #include <sys/stat.h>
   7 #include <fcntl.h>
   8 #include <unistd.h>
   9 #include <limits.h>
  10 #include <errno.h>
  11 #include <stdlib.h>
  12 #include <stdio.h>
  13 #include <err.h>
  14 #include <string.h>
  15 #include <ctype.h>
  16
  17 /* Note: we already test safe_mode in run_tests.c */
  18 static const char *can_run_vg(struct manifest *m)
  19 {
  20         unsigned int timeleft = default_timeout_ms;
  21         char *output = run_command(m, &timeleft, "valgrind -q true");
  22
  23         if (output)
  24                 return talloc_asprintf(m, "No valgrind support: %s", output);
  25         return NULL;
  26 }
  27
  28 struct run_tests_result {
  29         struct list_node list;
  30         struct ccan_file *file;
  31         const char *output;
  32 };
  33
  34 static void *do_run_tests_vg(struct manifest *m, unsigned int *timeleft)
  35 {
  36         struct list_head *list = talloc(m, struct list_head);
  37         struct run_tests_result *res;
  38         struct ccan_file *i;
  39         char *cmdout;
  40         char *olddir;
  41
  42         /* We run tests in the module directory, so any paths
  43          * referenced can all be module-local. */
  44         olddir = talloc_getcwd(m);
  45         if (!olddir)
  46                 err(1, "Could not save cwd");
  47         if (chdir(m->dir) != 0)
  48                 err(1, "Could not chdir to %s", m->dir);
  49
  50         list_head_init(list);
  51
  52         list_for_each(&m->run_tests, i, list) {
  53                 run_tests_vg.total_score++;
  54                 cmdout = run_command(m, timeleft,
  55                                      "valgrind -q %s", i->compiled);
  56                 if (cmdout) {
  57                         res = talloc(list, struct run_tests_result);
  58                         res->file = i;
  59                         res->output = talloc_steal(res, cmdout);
  60                         list_add_tail(list, &res->list);
  61                 }
  62         }
  63
  64         list_for_each(&m->api_tests, i, list) {
  65                 run_tests_vg.total_score++;
  66                 cmdout = run_command(m, timeleft,
  67                                      "valgrind -q %s", i->compiled);
  68                 if (cmdout) {
  69                         res = talloc(list, struct run_tests_result);
  70                         res->file = i;
  71                         res->output = talloc_steal(res, cmdout);
  72                         list_add_tail(list, &res->list);
  73                 }
  74         }
  75
  76         if (list_empty(list)) {
  77                 talloc_free(list);
  78                 list = NULL;
  79         }
  80
  81         if (chdir(olddir) != 0)
  82                 err(1, "Could not chdir to %s", olddir);
  83
  84         return list;
  85 }
  86
  87 static unsigned int score_run_tests_vg(struct manifest *m, void *check_result)
  88 {
  89         struct list_head *list = check_result;
  90         struct run_tests_result *i;
  91         unsigned int score = run_tests_vg.total_score;
  92
  93         list_for_each(list, i, list)
  94                 score--;
  95         return score;
  96 }
  97
  98 static const char *describe_run_tests_vg(struct manifest *m,
  99                                          void *check_result)
 100 {
 101         struct list_head *list = check_result;
 102         char *descrip = talloc_strdup(check_result, "Running tests under valgrind failed:\n");
 103         struct run_tests_result *i;
 104
 105         list_for_each(list, i, list)
 106                 descrip = talloc_asprintf_append(descrip, "Running %s:\n%s",
 107                                                  i->file->name, i->output);
 108         return descrip;
 109 }
 110
 111 /* Gcc's warn_unused_result is fascist bullshit. */
 112 #define doesnt_matter()
 113
 114 static void run_under_debugger_vg(struct manifest *m, void *check_result)
 115 {
 116         struct list_head *list = check_result;
 117         struct run_tests_result *first;
 118         char *command;
 119
 120         if (!ask("Should I run the first failing test under the debugger?"))
 121                 return;
 122
 123         first = list_top(list, struct run_tests_result, list);
 124         command = talloc_asprintf(m, "valgrind --db-attach=yes %s",
 125                                   first->file->compiled);
 126         if (system(command))
 127                 doesnt_matter();
 128 }
 129
 130 struct ccanlint run_tests_vg = {
 131         .key = "valgrind",
 132         .name = "Module's run and api tests succeed under valgrind",
 133         .score = score_run_tests_vg,
 134         .check = do_run_tests_vg,
 135         .describe = describe_run_tests_vg,
 136         .can_run = can_run_vg,
 137         .handle = run_under_debugger_vg
 138 };
 139
 140 REGISTER_TEST(run_tests_vg, &run_tests, NULL);