tools/ccanlint: build tests are now compulsory

[ccan] / tools / ccanlint / compulsory_tests / compile_tests.c

diff --git a/tools/ccanlint/compulsory_tests/compile_tests.c b/tools/ccanlint/compulsory_tests/compile_tests.c
new file mode 100644 (file)
index 0000000..57c257a
--- /dev/null
+++ b/tools/ccanlint/compulsory_tests/compile_tests.c
@@ -0,0 +1,192 @@
+#include <tools/ccanlint/ccanlint.h>
+#include <tools/tools.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <err.h>
+#include <string.h>
+#include <ctype.h>
+
+static const char *can_build(struct manifest *m)
+{
+       if (safe_mode)
+               return "Safe mode enabled";
+       return NULL;
+}
+
+static char *obj_list(const struct manifest *m, bool link_with_module)
+{
+       char *list;
+       struct ccan_file *i;
+
+       /* We expect to be linked with tap, unless that's us. */
+       if (!streq(m->basename, "tap"))
+               list = talloc_strdup(m, "../tap.o");
+       else
+               list = talloc_strdup(m, "");
+
+       /* Objects from any other C files. */
+       list_for_each(&m->other_test_c_files, i, list)
+               list = talloc_asprintf_append(list, " %s", i->compiled);
+
+       if (link_with_module)
+               list = talloc_asprintf_append(list, " ../%s.o", m->basename);
+
+       /* Other ccan modules. */
+       list_for_each(&m->dep_objs, i, list)
+               list = talloc_asprintf_append(list, " %s", i->name);
+
+       return list;
+}
+
+static char *lib_list(const struct manifest *m)
+{
+       unsigned int i, num;
+       char **libs = get_libs(m, ".", ".", &num, &m->info_file->compiled);
+       char *ret = talloc_strdup(m, "");
+
+       for (i = 0; i < num; i++)
+               ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
+       return ret;
+}
+
+static char *compile(const void *ctx,
+                    struct manifest *m, struct ccan_file *file, bool fail,
+                    bool link_with_module)
+{
+       char *errmsg;
+
+       file->compiled = compile_and_link(ctx, file->name,
+                                         obj_list(m, link_with_module),
+                                         fail ? "-DFAIL" : "",
+                                         lib_list(m), &errmsg);
+       if (!file->compiled)
+               return errmsg;
+       talloc_steal(ctx, file->compiled);
+       return NULL;
+}
+
+struct compile_tests_result {
+       struct list_node list;
+       const char *filename;
+       const char *description;
+       const char *output;
+};
+
+static void *do_compile_tests(struct manifest *m)
+{
+       struct list_head *list = talloc(m, struct list_head);
+       char *cmdout;
+       struct ccan_file *i;
+       struct compile_tests_result *res;
+
+       list_head_init(list);
+
+       list_for_each(&m->compile_ok_tests, i, list) {
+               compile_tests.total_score++;
+               cmdout = compile(list, m, i, false, false);
+               if (cmdout) {
+                       res = talloc(list, struct compile_tests_result);
+                       res->filename = i->name;
+                       res->description = "failed to compile";
+                       res->output = talloc_steal(res, cmdout);
+                       list_add_tail(list, &res->list);
+               }
+       }
+
+       list_for_each(&m->run_tests, i, list) {
+               compile_tests.total_score++;
+               cmdout = compile(m, m, i, false, false);
+               if (cmdout) {
+                       res = talloc(list, struct compile_tests_result);
+                       res->filename = i->name;
+                       res->description = "failed to compile";
+                       res->output = talloc_steal(res, cmdout);
+                       list_add_tail(list, &res->list);
+               }
+       }
+
+       list_for_each(&m->api_tests, i, list) {
+               compile_tests.total_score++;
+               cmdout = compile(m, m, i, false, true);
+               if (cmdout) {
+                       res = talloc(list, struct compile_tests_result);
+                       res->filename = i->name;
+                       res->description = "failed to compile";
+                       res->output = talloc_steal(res, cmdout);
+                       list_add_tail(list, &res->list);
+               }
+       }
+
+       list_for_each(&m->compile_fail_tests, i, list) {
+               compile_tests.total_score++;
+               cmdout = compile(list, m, i, false, false);
+               if (cmdout) {
+                       res = talloc(list, struct compile_tests_result);
+                       res->filename = i->name;
+                       res->description = "failed to compile without -DFAIL";
+                       res->output = talloc_steal(res, cmdout);
+                       list_add_tail(list, &res->list);
+               } else {
+                       cmdout = compile(list, m, i, true, false);
+                       if (!cmdout) {
+                               res = talloc(list, struct compile_tests_result);
+                               res->filename = i->name;
+                               res->description = "compiled successfully"
+                                       " with -DFAIL";
+                               res->output = "";
+                               list_add_tail(list, &res->list);
+                       }
+               }
+       }
+
+       if (list_empty(list)) {
+               talloc_free(list);
+               list = NULL;
+       }
+
+       return list;
+}
+
+static unsigned int score_compile_tests(struct manifest *m,
+                                       void *check_result)
+{
+       struct list_head *list = check_result;
+       struct compile_tests_result *i;
+       unsigned int score = compile_tests.total_score;
+
+       list_for_each(list, i, list)
+               score--;
+       return score;
+}
+
+static const char *describe_compile_tests(struct manifest *m,
+                                         void *check_result)
+{
+       struct list_head *list = check_result;
+       struct compile_tests_result *i;
+       char *descrip = talloc_strdup(list, "Compilation tests failed:\n");
+
+       list_for_each(list, i, list)
+               descrip = talloc_asprintf_append(descrip, "%s %s\n%s",
+                                                i->filename, i->description,
+                                                i->output);
+       return descrip;
+}
+
+struct ccanlint compile_tests = {
+       .name = "Compile tests succeed",
+       .score = score_compile_tests,
+       .check = do_compile_tests,
+       .describe = describe_compile_tests,
+       .can_run = can_build,
+};
+
+REGISTER_TEST(compile_tests, &compile_test_helpers, NULL);