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/str/str.h>
   4 #include <ccan/foreach/foreach.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 #include "build.h"
  17 #include "tests_compile.h"
  18
  19 /* Note: we already test safe_mode in run_tests.c */
  20 static const char *can_run_coverage(struct manifest *m)
  21 {
  22 #ifdef __GNUC__
  23         unsigned int timeleft = default_timeout_ms;
  24         char *output;
  25
  26         if (!run_command(m, &timeleft, &output, "gcov -h"))
  27                 return tal_fmt(m, "No gcov support: %s", output);
  28         return NULL;
  29 #else
  30         return "No coverage support for this compiler";
  31 #endif
  32 }
  33
  34 static void cov_compile(const void *ctx,
  35                         unsigned int time_ms,
  36                         struct manifest *m,
  37                         struct ccan_file *file,
  38                         bool link_with_module)
  39 {
  40         char *flags = tal_fmt(ctx, "%s %s", cflags, COVERAGE_CFLAGS);
  41
  42         file->compiled[COMPILE_COVERAGE] = temp_file(ctx, "", file->fullname);
  43         compile_and_link_async(file, time_ms, file->fullname, ccan_dir,
  44                                test_obj_list(m, link_with_module,
  45                                              COMPILE_NORMAL,
  46                                              COMPILE_COVERAGE),
  47                                compiler, flags,
  48                                test_lib_list(m, COMPILE_NORMAL),
  49                                file->compiled[COMPILE_COVERAGE]);
  50 }
  51
  52 /* FIXME: Coverage from testable examples as well. */
  53 static void do_compile_coverage_tests(struct manifest *m,
  54                                       unsigned int *timeleft,
  55                                       struct score *score)
  56 {
  57         char *cmdout;
  58         struct ccan_file *i;
  59         struct list_head *h;
  60         bool ok;
  61         char *f = tal_fmt(score, "%s %s", cflags, COVERAGE_CFLAGS);
  62
  63         /* For API tests, we need coverage version of module. */
  64         if (!list_empty(&m->api_tests)) {
  65                 build_objects(m, score, f, COMPILE_COVERAGE);
  66                 if (!score->pass) {
  67                         score->error = tal_strdup(score,
  68                                                      "Failed to compile module objects with coverage");
  69                         return;
  70                 }
  71         }
  72
  73         foreach_ptr(h, &m->run_tests, &m->api_tests) {
  74                 list_for_each(h, i, list) {
  75                         cov_compile(m, *timeleft, m, i, h == &m->api_tests);
  76                 }
  77         }
  78
  79         while ((i = collect_command(&ok, &cmdout)) != NULL) {
  80                 if (!ok) {
  81                         score_file_error(score, i, 0,
  82                                          "Failed to compile test with coverage:"
  83                                          " %s", cmdout);
  84                 }
  85         }
  86         if (!score->error) {
  87                 score->pass = true;
  88                 score->score = score->total;
  89         }
  90 }
  91
  92 struct ccanlint tests_compile_coverage = {
  93         .key = "tests_compile_coverage",
  94         .name = "Module tests compile with " COVERAGE_CFLAGS,
  95         .check = do_compile_coverage_tests,
  96         .can_run = can_run_coverage,
  97         .needs = "tests_compile"
  98 };
  99
 100 REGISTER_TEST(tests_compile_coverage);