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 --error-exitcode=0 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,
  35                              bool keep,
  36                              unsigned int *timeleft)
  37 {
  38         struct list_head *list = talloc(m, struct list_head);
  39         struct run_tests_result *res;
  40         struct ccan_file *i;
  41         char *cmdout;
  42         char *olddir;
  43
  44         /* We run tests in the module directory, so any paths
  45          * referenced can all be module-local. */
  46         olddir = talloc_getcwd(m);
  47         if (!olddir)
  48                 err(1, "Could not save cwd");
  49         if (chdir(m->dir) != 0)
  50                 err(1, "Could not chdir to %s", m->dir);
  51
  52         list_head_init(list);
  53
  54         list_for_each(&m->run_tests, i, list) {
  55                 run_tests_vg.total_score++;
  56                 cmdout = run_command(m, timeleft,
  57                                      "valgrind -q --error-exitcode=100 %s",
  58                                      i->compiled);
  59                 if (cmdout) {
  60                         res = talloc(list, struct run_tests_result);
  61                         res->file = i;
  62                         res->output = talloc_steal(res, cmdout);
  63                         list_add_tail(list, &res->list);
  64                 }
  65         }
  66
  67         list_for_each(&m->api_tests, i, list) {
  68                 run_tests_vg.total_score++;
  69                 cmdout = run_command(m, timeleft,
  70                                      "valgrind -q --error-exitcode=100 %s",
  71                                      i->compiled);
  72                 if (cmdout) {
  73                         res = talloc(list, struct run_tests_result);
  74                         res->file = i;
  75                         res->output = talloc_steal(res, cmdout);
  76                         list_add_tail(list, &res->list);
  77                 }
  78         }
  79
  80         if (list_empty(list)) {
  81                 talloc_free(list);
  82                 list = NULL;
  83         }
  84
  85         if (chdir(olddir) != 0)
  86                 err(1, "Could not chdir to %s", olddir);
  87
  88         return list;
  89 }
  90
  91 static unsigned int score_run_tests_vg(struct manifest *m, void *check_result)
  92 {
  93         struct list_head *list = check_result;
  94         struct run_tests_result *i;
  95         unsigned int score = run_tests_vg.total_score;
  96
  97         list_for_each(list, i, list)
  98                 score--;
  99         return score;
 100 }
 101
 102 static const char *describe_run_tests_vg(struct manifest *m,
 103                                          void *check_result)
 104 {
 105         struct list_head *list = check_result;
 106         char *descrip = talloc_strdup(check_result, "Running tests under valgrind failed:\n");
 107         struct run_tests_result *i;
 108
 109         list_for_each(list, i, list)
 110                 descrip = talloc_asprintf_append(descrip, "Running %s:\n%s",
 111                                                  i->file->name, i->output);
 112         return descrip;
 113 }
 114
 115 /* Gcc's warn_unused_result is fascist bullshit. */
 116 #define doesnt_matter()
 117
 118 static void run_under_debugger_vg(struct manifest *m, void *check_result)
 119 {
 120         struct list_head *list = check_result;
 121         struct run_tests_result *first;
 122         char *command;
 123
 124         if (!ask("Should I run the first failing test under the debugger?"))
 125                 return;
 126
 127         first = list_top(list, struct run_tests_result, list);
 128         command = talloc_asprintf(m, "valgrind --db-attach=yes %s",
 129                                   first->file->compiled);
 130         if (system(command))
 131                 doesnt_matter();
 132 }
 133
 134 struct ccanlint run_tests_vg = {
 135         .key = "valgrind-tests",
 136         .name = "Module's run and api tests succeed under valgrind",
 137         .score = score_run_tests_vg,
 138         .check = do_run_tests_vg,
 139         .describe = describe_run_tests_vg,
 140         .can_run = can_run_vg,
 141         .handle = run_under_debugger_vg
 142 };
 143
 144 REGISTER_TEST(run_tests_vg, &run_tests, NULL);