git.ozlabs.org Git - ccan/blob - tools/ccanlint/tests/tests_compile_coverage.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 <ccan/foreach/foreach.h>
   6 #include <sys/types.h>
   7 #include <sys/stat.h>
   8 #include <fcntl.h>
   9 #include <unistd.h>
  10 #include <limits.h>
  11 #include <errno.h>
  12 #include <stdlib.h>
  13 #include <stdio.h>
  14 #include <err.h>
  15 #include <string.h>
  16 #include <ctype.h>
  17 #include "../compulsory_tests/build.h"
  18 #include "tests_compile.h"
  19
  20 /* Note: we already test safe_mode in run_tests.c */
  21 static const char *can_run_coverage(struct manifest *m)
  22 {
  23         unsigned int timeleft = default_timeout_ms;
  24         char *output;
  25
  26         if (!run_command(m, &timeleft, &output, "gcov -h"))
  27                 return talloc_asprintf(m, "No gcov support: %s", output);
  28         return NULL;
  29 }
  30
  31 static char *cov_compile(const void *ctx,
  32                          struct manifest *m,
  33                          struct ccan_file *file,
  34                          bool link_with_module,
  35                          bool keep)
  36 {
  37         char *output;
  38         char *flags = talloc_asprintf(ctx, "%s %s", cflags, COVERAGE_CFLAGS);
  39
  40         file->compiled[COMPILE_COVERAGE]
  41                 = maybe_temp_file(ctx, "", keep, file->fullname);
  42         if (!compile_and_link(ctx, file->fullname, ccan_dir,
  43                               test_obj_list(m, link_with_module,
  44                                             COMPILE_NORMAL,
  45                                             COMPILE_COVERAGE),
  46                               compiler, flags,
  47                               lib_list(m, COMPILE_NORMAL),
  48                               file->compiled[COMPILE_COVERAGE], &output)) {
  49                 talloc_free(file->compiled[COMPILE_COVERAGE]);
  50                 file->compiled[COMPILE_COVERAGE] = NULL;
  51                 return output;
  52         }
  53         talloc_free(output);
  54         return NULL;
  55 }
  56
  57 /* FIXME: Coverage from testable examples as well. */
  58 static void do_compile_coverage_tests(struct manifest *m,
  59                                       bool keep,
  60                                       unsigned int *timeleft,
  61                                       struct score *score)
  62 {
  63         char *cmdout;
  64         struct ccan_file *i;
  65         struct list_head *h;
  66         char *f = talloc_asprintf(score, "%s %s", cflags, COVERAGE_CFLAGS);
  67
  68         /* For API tests, we need coverage version of module. */
  69         if (!list_empty(&m->api_tests)) {
  70                 build_objects(m, keep, score, f, COMPILE_COVERAGE);
  71                 if (!score->pass) {
  72                         score->error = talloc_strdup(score,
  73                                                      "Failed to compile module objects with coverage");
  74                         return;
  75                 }
  76         }
  77
  78         foreach_ptr(h, &m->run_tests, &m->api_tests) {
  79                 list_for_each(h, i, list) {
  80                         cmdout = cov_compile(m, m, i,
  81                                              h == &m->api_tests,
  82                                              keep);
  83                         if (cmdout) {
  84                                 score_file_error(score, i, 0,
  85                                   "Failed to compile test with coverage: %s",
  86                                   cmdout);
  87                         }
  88                 }
  89         }
  90         if (!score->error) {
  91                 score->pass = true;
  92                 score->score = score->total;
  93         }
  94 }
  95
  96 struct ccanlint tests_compile_coverage = {
  97         .key = "tests_compile_coverage",
  98         .name = "Module tests compile with " COVERAGE_CFLAGS,
  99         .check = do_compile_coverage_tests,
 100         .can_run = can_run_coverage,
 101         .needs = "tests_compile"
 102 };
 103
 104 REGISTER_TEST(tests_compile_coverage);