db5ea33e4f7467e9c9266674541625d71b8d1903
[ccan] / tools / ccanlint / tests / tests_compile.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 "reduce_features.h"
18 #include "tests_compile.h"
19
20 static const char *can_build(struct manifest *m)
21 {
22         if (safe_mode)
23                 return "Safe mode enabled";
24         return NULL;
25 }
26
27 char *test_obj_list(const struct manifest *m, bool link_with_module,
28                     enum compile_type ctype, enum compile_type own_ctype)
29 {
30         char *list = talloc_strdup(m, "");
31         struct ccan_file *i;
32         struct manifest *subm;
33
34         /* Objects from any other C files. */
35         list_for_each(&m->other_test_c_files, i, list)
36                 list = talloc_asprintf_append(list, " %s",
37                                               i->compiled[ctype]);
38
39         /* Our own object files. */
40         if (link_with_module)
41                 list_for_each(&m->c_files, i, list)
42                         list = talloc_asprintf_append(list, " %s",
43                                                       i->compiled[own_ctype]);
44
45         /* Other ccan modules. */
46         list_for_each(&m->deps, subm, list) {
47                 if (subm->compiled[ctype])
48                         list = talloc_asprintf_append(list, " %s",
49                                                       subm->compiled[ctype]);
50         }
51
52         return list;
53 }
54
55 char *lib_list(const struct manifest *m, enum compile_type ctype)
56 {
57         unsigned int i, num;
58         char **libs = get_libs(m, m->dir, &num,
59                                &m->info_file->compiled[ctype]);
60         char *ret = talloc_strdup(m, "");
61
62         for (i = 0; i < num; i++)
63                 ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
64         return ret;
65 }
66
67 static bool compile(const void *ctx,
68                     struct manifest *m,
69                     struct ccan_file *file,
70                     bool fail,
71                     bool link_with_module,
72                     bool keep,
73                     enum compile_type ctype,
74                     char **output)
75 {
76         char *fname, *flags;
77
78         flags = talloc_asprintf(ctx, "%s%s%s",
79                                 fail ? "-DFAIL " : "",
80                                 cflags,
81                                 ctype == COMPILE_NOFEAT
82                                 ? " "REDUCE_FEATURES_FLAGS : "");
83
84         fname = maybe_temp_file(ctx, "", keep, file->fullname);
85         if (!compile_and_link(ctx, file->fullname, ccan_dir,
86                               test_obj_list(m, link_with_module,
87                                             ctype, ctype),
88                               compiler, flags, lib_list(m, ctype), fname,
89                               output)) {
90                 talloc_free(fname);
91                 return false;
92         }
93
94         file->compiled[ctype] = fname;
95         return true;
96 }
97
98 static void compile_tests(struct manifest *m, bool keep,
99                           struct score *score,
100                           enum compile_type ctype)
101 {
102         char *cmdout;
103         struct ccan_file *i;
104         struct list_head *list;
105         bool errors = false, warnings = false;
106
107         foreach_ptr(list, &m->compile_ok_tests, &m->run_tests, &m->api_tests) {
108                 list_for_each(list, i, list) {
109                         if (!compile(score, m, i, false,
110                                      list == &m->api_tests, keep,
111                                      ctype, &cmdout)) {
112                                 score_file_error(score, i, 0,
113                                                  "Compile failed:\n%s",
114                                                  cmdout);
115                                 errors = true;
116                         } else if (!streq(cmdout, "")) {
117                                 score_file_error(score, i, 0,
118                                                  "Compile gave warnings:\n%s",
119                                                  cmdout);
120                                 warnings = true;
121                         }
122                 }
123         }
124
125         /* The compile fail tests are a bit weird, handle them separately */
126         if (errors)
127                 return;
128
129         /* For historical reasons, "fail" often means "gives warnings" */
130         list_for_each(&m->compile_fail_tests, i, list) {
131                 if (!compile(score, m, i, false, false, false,
132                              ctype, &cmdout)) {
133                         score_file_error(score, i, 0,
134                                          "Compile without -DFAIL failed:\n%s",
135                                          cmdout);
136                         return;
137                 }
138                 if (!streq(cmdout, "")) {
139                         score_file_error(score, i, 0,
140                                          "Compile gave warnings"
141                                          " without -DFAIL:\n%s",
142                                          cmdout);
143                         return;
144                 }
145                 if (compile(score, m, i, true, false, false,
146                             ctype, &cmdout)
147                     && streq(cmdout, "")) {
148                         score_file_error(score, i, 0,
149                                          "Compiled successfully with -DFAIL?");
150                         return;
151                 }
152                 score->total++;
153         }
154
155         score->pass = true;
156         score->score = score->total - warnings;
157 }
158
159 static void do_compile_tests(struct manifest *m,
160                              bool keep,
161                              unsigned int *timeleft, struct score *score)
162 {
163         compile_tests(m, keep, score, COMPILE_NORMAL);
164 }
165
166 struct ccanlint tests_compile = {
167         .key = "tests_compile",
168         .name = "Module tests compile",
169         .check = do_compile_tests,
170         .can_run = can_build,
171         .needs = "tests_helpers_compile objects_build"
172 };
173
174 REGISTER_TEST(tests_compile);
175
176 static const char *features_reduced(struct manifest *m)
177 {
178         if (features_were_reduced)
179                 return NULL;
180         return "No features to turn off";
181 }
182
183 static void do_compile_tests_without_features(struct manifest *m,
184                                               bool keep,
185                                               unsigned int *timeleft,
186                                               struct score *score)
187 {
188         compile_tests(m, keep, score, COMPILE_NOFEAT);
189 }
190
191 struct ccanlint tests_compile_without_features = {
192         .key = "tests_compile_without_features",
193         .name = "Module tests compile (without features)",
194         .check = do_compile_tests_without_features,
195         .can_run = features_reduced,
196         .needs = "tests_helpers_compile_without_features objects_build_without_features"
197 };
198 REGISTER_TEST(tests_compile_without_features);