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 "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 void cov_compile(const void *ctx,
  32                         unsigned int time_ms,
  33                         struct manifest *m,
  34                         struct ccan_file *file,
  35                         bool link_with_module)
  36 {
  37         char *flags = talloc_asprintf(ctx, "%s %s", cflags, COVERAGE_CFLAGS);
  38
  39         file->compiled[COMPILE_COVERAGE] = temp_file(ctx, "", file->fullname);
  40         compile_and_link_async(file, time_ms, file->fullname, ccan_dir,
  41                                test_obj_list(m, link_with_module,
  42                                              COMPILE_NORMAL,
  43                                              COMPILE_COVERAGE),
  44                                compiler, flags,
  45                                lib_list(m, COMPILE_NORMAL),
  46                                file->compiled[COMPILE_COVERAGE]);
  47 }
  48
  49 /* FIXME: Coverage from testable examples as well. */
  50 static void do_compile_coverage_tests(struct manifest *m,
  51                                       unsigned int *timeleft,
  52                                       struct score *score)
  53 {
  54         char *cmdout;
  55         struct ccan_file *i;
  56         struct list_head *h;
  57         bool ok;
  58         char *f = talloc_asprintf(score, "%s %s", cflags, COVERAGE_CFLAGS);
  59
  60         /* For API tests, we need coverage version of module. */
  61         if (!list_empty(&m->api_tests)) {
  62                 build_objects(m, score, f, COMPILE_COVERAGE);
  63                 if (!score->pass) {
  64                         score->error = talloc_strdup(score,
  65                                                      "Failed to compile module objects with coverage");
  66                         return;
  67                 }
  68         }
  69
  70         foreach_ptr(h, &m->run_tests, &m->api_tests) {
  71                 list_for_each(h, i, list) {
  72                         cov_compile(m, *timeleft, m, i, h == &m->api_tests);
  73                 }
  74         }
  75
  76         while ((i = collect_command(&ok, &cmdout)) != NULL) {
  77                 if (!ok) {
  78                         score_file_error(score, i, 0,
  79                                          "Failed to compile test with coverage:"
  80                                          " %s", cmdout);
  81                 }
  82         }
  83         if (!score->error) {
  84                 score->pass = true;
  85                 score->score = score->total;
  86         }
  87 }
  88
  89 struct ccanlint tests_compile_coverage = {
  90         .key = "tests_compile_coverage",
  91         .name = "Module tests compile with " COVERAGE_CFLAGS,
  92         .check = do_compile_coverage_tests,
  93         .can_run = can_run_coverage,
  94         .needs = "tests_compile"
  95 };
  96
  97 REGISTER_TEST(tests_compile_coverage);