e1e8f82061f4ae81661677e842c437acf1532374
[ccan] / 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 <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
18 static const char *can_build(struct manifest *m)
19 {
20         if (safe_mode)
21                 return "Safe mode enabled";
22         return NULL;
23 }
24
25 /* FIXME: Merge this into one place. */
26 static char *obj_list(const struct manifest *m, bool link_with_module)
27 {
28         char *list = talloc_strdup(m, "");
29         struct ccan_file *i;
30         struct manifest *subm;
31
32         /* Objects from any other C files. */
33         list_for_each(&m->other_test_c_files, i, list)
34                 list = talloc_asprintf_append(list, " %s", i->compiled);
35
36         /* Our own object files. */
37         if (link_with_module)
38                 list_for_each(&m->c_files, i, list)
39                         list = talloc_asprintf_append(list, " %s", i->compiled);
40
41         /* Other ccan modules. */
42         list_for_each(&m->deps, subm, list) {
43                 if (subm->compiled)
44                         list = talloc_asprintf_append(list, " %s",
45                                                       subm->compiled);
46         }
47
48         return list;
49 }
50
51 static char *lib_list(const struct manifest *m)
52 {
53         unsigned int i, num;
54         char **libs = get_libs(m, m->dir, &num, &m->info_file->compiled);
55         char *ret = talloc_strdup(m, "");
56
57         for (i = 0; i < num; i++)
58                 ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
59         return ret;
60 }
61
62 static bool compile(const void *ctx,
63                     struct manifest *m,
64                     struct ccan_file *file,
65                     bool fail,
66                     bool link_with_module,
67                     bool keep, char **output)
68 {
69         file->compiled = maybe_temp_file(ctx, "", keep, file->fullname);
70         if (!compile_and_link(ctx, file->fullname, ccan_dir,
71                               obj_list(m, link_with_module),
72                               fail ? "-DFAIL" : "",
73                               lib_list(m), file->compiled, output)) {
74                 talloc_free(file->compiled);
75                 return false;
76         }
77         return true;
78 }
79
80 static void do_compile_tests(struct manifest *m,
81                              bool keep,
82                              unsigned int *timeleft, struct score *score)
83 {
84         char *cmdout;
85         struct ccan_file *i;
86         struct list_head *list;
87         bool errors = false, warnings = false;
88
89         foreach_ptr(list, &m->compile_ok_tests, &m->run_tests, &m->api_tests) {
90                 list_for_each(list, i, list) {
91                         if (!compile(score, m, i, false, list == &m->api_tests,
92                                      keep, &cmdout)) {
93                                 score->error = "Failed to compile tests";
94                                 score_file_error(score, i, 0, cmdout);
95                                 errors = true;
96                         } else if (!streq(cmdout, "")) {
97                                 score->error = "Test compiled with warnings";
98                                 score_file_error(score, i, 0, cmdout);
99                                 warnings = true;
100                         }
101                 }
102         }
103
104         /* The compile fail tests are a bit weird, handle them separately */
105         if (errors)
106                 return;
107
108         /* For historical reasons, "fail" often means "gives warnings" */
109         list_for_each(&m->compile_fail_tests, i, list) {
110                 if (!compile(score, m, i, false, false, false, &cmdout)) {
111                         score->error = "Failed to compile without -DFAIL";
112                         score_file_error(score, i, 0, cmdout);
113                         return;
114                 }
115                 if (!streq(cmdout, "")) {
116                         score->error = "Compile with warnigns without -DFAIL";
117                         score_file_error(score, i, 0, cmdout);
118                         return;
119                 }
120                 if (compile(score, m, i, true, false, false, &cmdout)
121                     && streq(cmdout, "")) {
122                         score->error = "Compiled successfully with -DFAIL?";
123                         score_file_error(score, i, 0, NULL);
124                         return;
125                 }
126         }
127
128         score->pass = true;
129         score->total = 2;
130         score->score = 1 + !warnings;
131 }
132
133 struct ccanlint compile_tests = {
134         .key = "tests_compile",
135         .name = "Module tests compile",
136         .check = do_compile_tests,
137         .can_run = can_build,
138 };
139
140 REGISTER_TEST(compile_tests, &compile_test_helpers, &build_objs, NULL);