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 char *cflags_list(const struct manifest *m)
  35 {
  36         unsigned int i;
  37         char *ret = tal_strdup(m, cflags);
  38
  39         char **flags = get_cflags(m, m->dir, get_or_compile_info);
  40         for (i = 0; flags[i]; i++)
  41                 tal_append_fmt(&ret, " %s", flags[i]);
  42         return ret;
  43 }
  44
  45 static char *cflags_list_append(const struct manifest *m, char *iflags)
  46 {
  47         unsigned int i;
  48
  49         char **flags = get_cflags(m, m->dir, get_or_compile_info);
  50         for (i = 0; flags[i]; i++)
  51                 tal_append_fmt(&iflags, " %s", flags[i]);
  52         return iflags;
  53 }
  54
  55 static void cov_compile(const void *ctx,
  56                         unsigned int time_ms,
  57                         struct manifest *m,
  58                         struct ccan_file *file,
  59                         bool link_with_module)
  60 {
  61         char *flags = tal_fmt(ctx, "%s %s", cflags, COVERAGE_CFLAGS);
  62         flags = cflags_list_append(m, flags);
  63
  64         file->compiled[COMPILE_COVERAGE] = temp_file(ctx, "", file->fullname);
  65         compile_and_link_async(file, time_ms, file->fullname, ccan_dir,
  66                                test_obj_list(m, link_with_module,
  67                                              COMPILE_NORMAL,
  68                                              COMPILE_COVERAGE),
  69                                compiler, flags,
  70                                test_lib_list(m, COMPILE_NORMAL),
  71                                file->compiled[COMPILE_COVERAGE]);
  72 }
  73
  74 /* FIXME: Coverage from testable examples as well. */
  75 static void do_compile_coverage_tests(struct manifest *m,
  76                                       unsigned int *timeleft,
  77                                       struct score *score)
  78 {
  79         char *cmdout;
  80         struct ccan_file *i;
  81         struct list_head *h;
  82         bool ok;
  83         char *f = cflags_list(m);
  84         tal_append_fmt(&f, " %s", COVERAGE_CFLAGS);
  85
  86         /* For API tests, we need coverage version of module. */
  87         if (!list_empty(&m->api_tests)) {
  88                 build_objects(m, score, f, COMPILE_COVERAGE);
  89                 if (!score->pass) {
  90                         score->error = tal_strdup(score,
  91                                                      "Failed to compile module objects with coverage");
  92                         return;
  93                 }
  94         }
  95
  96         foreach_ptr(h, &m->run_tests, &m->api_tests) {
  97                 list_for_each(h, i, list) {
  98                         cov_compile(m, *timeleft, m, i, h == &m->api_tests);
  99                 }
 100         }
 101
 102         while ((i = collect_command(&ok, &cmdout)) != NULL) {
 103                 if (!ok) {
 104                         score_file_error(score, i, 0,
 105                                          "Failed to compile test with coverage:"
 106                                          " %s", cmdout);
 107                 }
 108         }
 109         if (!score->error) {
 110                 score->pass = true;
 111                 score->score = score->total;
 112         }
 113 }
 114
 115 struct ccanlint tests_compile_coverage = {
 116         .key = "tests_compile_coverage",
 117         .name = "Module tests compile with " COVERAGE_CFLAGS,
 118         .check = do_compile_coverage_tests,
 119         .can_run = can_run_coverage,
 120         .needs = "tests_compile"
 121 };
 122
 123 REGISTER_TEST(tests_compile_coverage);