git.ozlabs.org Git - ccan/blob - tools/ccanlint/tests/compile_tests.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 <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
  17 static const char *can_build(struct manifest *m)
  18 {
  19         if (safe_mode)
  20                 return "Safe mode enabled";
  21         return NULL;
  22 }
  23
  24 static char *obj_list(const struct manifest *m, bool link_with_module)
  25 {
  26         char *list = talloc_strdup(m, "../tap.o");
  27         struct ccan_file *i;
  28
  29         /* Objects from any other C files. */
  30         list_for_each(&m->other_test_c_files, i, list)
  31                 list = talloc_asprintf_append(list, " %.*s.o",
  32                                               strlen(i->name) - 2, i->name);
  33
  34         if (link_with_module)
  35                 list = talloc_asprintf_append(list, " ../%s.o", m->basename);
  36
  37         return list;
  38 }
  39
  40 static char *lib_list(const struct manifest *m)
  41 {
  42         unsigned int i, num;
  43         char **libs = get_libs(m, ".", ".", &num);
  44         char *ret = talloc_strdup(m, "");
  45
  46         for (i = 0; i < num; i++)
  47                 ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
  48         return ret;
  49 }
  50
  51 static int cleanup_testfile(const char *testfile)
  52 {
  53         unlink(testfile);
  54         return 0;
  55 }
  56
  57 static char *compile(const void *ctx,
  58                      struct manifest *m, struct ccan_file *file, bool fail,
  59                      bool link_with_module)
  60 {
  61         file->compiled = talloc_strdup(ctx, tempnam("/tmp", "ccanlint"));
  62         talloc_set_destructor(file->compiled, cleanup_testfile);
  63
  64         return run_command(m, "cc " CFLAGS " %s -o %s %s %s %s",
  65                            fail ? "-DFAIL" : "",
  66                            file->compiled, file->name,
  67                            obj_list(m, link_with_module), lib_list(m));
  68 }
  69
  70 struct compile_tests_result {
  71         struct list_node list;
  72         const char *filename;
  73         const char *description;
  74         const char *output;
  75 };
  76
  77 static void *do_compile_tests(struct manifest *m)
  78 {
  79         struct list_head *list = talloc(m, struct list_head);
  80         char *cmdout;
  81         struct ccan_file *i;
  82         struct compile_tests_result *res;
  83
  84         list_head_init(list);
  85
  86         list_for_each(&m->compile_ok_tests, i, list) {
  87                 compile_tests.total_score++;
  88                 cmdout = compile(list, m, i, false, false);
  89                 if (cmdout) {
  90                         res = talloc(list, struct compile_tests_result);
  91                         res->filename = i->name;
  92                         res->description = "failed to compile";
  93                         res->output = talloc_steal(res, cmdout);
  94                         list_add_tail(list, &res->list);
  95                 }
  96         }
  97
  98         list_for_each(&m->run_tests, i, list) {
  99                 compile_tests.total_score++;
 100                 cmdout = compile(m, m, i, false, false);
 101                 if (cmdout) {
 102                         res = talloc(list, struct compile_tests_result);
 103                         res->filename = i->name;
 104                         res->description = "failed to compile";
 105                         res->output = talloc_steal(res, cmdout);
 106                         list_add_tail(list, &res->list);
 107                 }
 108         }
 109
 110         list_for_each(&m->api_tests, i, list) {
 111                 compile_tests.total_score++;
 112                 cmdout = compile(m, m, i, false, true);
 113                 if (cmdout) {
 114                         res = talloc(list, struct compile_tests_result);
 115                         res->filename = i->name;
 116                         res->description = "failed to compile";
 117                         res->output = talloc_steal(res, cmdout);
 118                         list_add_tail(list, &res->list);
 119                 }
 120         }
 121
 122         list_for_each(&m->compile_fail_tests, i, list) {
 123                 compile_tests.total_score++;
 124                 cmdout = compile(list, m, i, true, false);
 125                 if (cmdout) {
 126                         res = talloc(list, struct compile_tests_result);
 127                         res->filename = i->name;
 128                         res->description = "failed to compile without -DFAIL";
 129                         res->output = talloc_steal(res, cmdout);
 130                         list_add_tail(list, &res->list);
 131                 } else {
 132                         cmdout = compile(list, m, i, false, false);
 133                         if (!cmdout) {
 134                                 res = talloc(list, struct compile_tests_result);
 135                                 res->filename = i->name;
 136                                 res->description = "compiled successfully"
 137                                         " with -DFAIL";
 138                                 res->output = "";
 139                                 list_add_tail(list, &res->list);
 140                         }
 141                 }
 142         }
 143
 144         if (list_empty(list)) {
 145                 talloc_free(list);
 146                 list = NULL;
 147         }
 148
 149         return list;
 150 }
 151
 152 static unsigned int score_compile_tests(struct manifest *m,
 153                                         void *check_result)
 154 {
 155         struct list_head *list = check_result;
 156         struct compile_tests_result *i;
 157         unsigned int score = compile_tests.total_score;
 158
 159         list_for_each(list, i, list)
 160                 score--;
 161         return score;
 162 }
 163
 164 static const char *describe_compile_tests(struct manifest *m,
 165                                           void *check_result)
 166 {
 167         struct list_head *list = check_result;
 168         struct compile_tests_result *i;
 169         char *descrip = talloc_strdup(list, "Compilation tests failed:\n");
 170
 171         list_for_each(list, i, list)
 172                 descrip = talloc_asprintf_append(descrip, "%s %s\n%s",
 173                                                  i->filename, i->description,
 174                                                  i->output);
 175         return descrip;
 176 }
 177
 178 struct ccanlint compile_tests = {
 179         .name = "Compile tests succeed",
 180         .score = score_compile_tests,
 181         .check = do_compile_tests,
 182         .describe = describe_compile_tests,
 183         .can_run = can_build,
 184 };
 185
 186 REGISTER_TEST(compile_tests, &compile_test_helpers, NULL);