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