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